{
 "row": "wikidata",
 "address": "Wikidata",
 "addresses": [
  "Wikidata"
 ],
 "extracted": "2026-11-01",
 "extractor": "Claude (Opus 5.5), subagent, one extractor (unaudited, §3.8)",
 "rule": "v0.10 §3.5, source-neutral: opening or abstract, defined terms, headline claims, stated limits; quotes verbatim from the saved page texts (whitespace-normalised for the check; multi-part quotes joined by ' … ', each part checked), or the card's title and snippet on the transcript's rail for B3, B5, B7 and B8; 74/74 verified by script",
 "B_note": "The field B in two pools (v0.10 §0.3, §3.1(a)). B_D, the disclosed pool, 'card': the eight cards on T's rail (B1 main page; B2 Wikipedia, also the entity's Wikipedia article and the census's source wikidata--wikipedia, carried once here; B3 the Query Service, script-rendered; B4 the Introduction, also the census's own page wikidata--intro; B5 a video, title and snippet; B6 Library Carpentry's lesson; B7, B8 videos, title only). B_R, the reference pool: 'own_page' B9 (Property:P742, the census's saved copy), 'census_third_party' B10–B12 (Wikipedia's ISNI, VIAF and ORCID articles, read at their passages on Wikidata). 'wikipedia': carried in B_D as B2.",
 "lineage_note": "Lineages: what it is: a free, open, collaborative, multilingual knowledge base of structured data (B1, B2, B4, B6); central storage for the Wikimedia projects and beyond (B1, B2, B4, B6); size and content (B1, B2); license (B1, B2, B4, B6); items, labels, descriptions and aliases (B1, B2, B4); the Query Service and data access (B1, B2, B3, B4, B5); host, developer and editors (B2, B4); statements, qualifiers, references and rank (B2, B4, B6); stated limits: constraints, references and notability (B2, B4, B9); Google and Wikidata (B2, B6); machine reuse (B2); reception (B2, B6, B7, B8); the hub of identifiers (B2, B4, B6, B9, B10, B11, B12); a secondary knowledge base: statements with their sources (B4); multilingual (B4); what it holds of a work: basic statements (B6); the pseudonym property: a name a person used (B9). The census's fields that restate a page are one lineage with that page (§3.6), which keeps the earliest date.",
 "pages": "saved files under datasets/negative-of-the-negative/v2/intake/wikidata-20261101/ (Bn.html raw, Bn.txt text; T1-wikidata-aio-20261101.txt the registry's transcript string); sha256 per file in each source's 'files'",
 "pools": {
  "B_D": 8,
  "B_R": 4
 },
 "field": [
  {
   "id": "B1",
   "origin": "card",
   "pool": "B_D",
   "role": "Overview card 1",
   "card": "Wikidata — Wikidata",
   "url": "https://www.wikidata.org/wiki/Wikidata:Main_Page",
   "kind": "the knowledge base's main page (Wikidata:Main_Page), fetched this session",
   "files": {
    "B1.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B1.html",
     "sha256": "1b85b6cc2f727937e31549f340f5837d90787fb04386dcc375302938fc9064f9"
    },
    "B1.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B1.txt",
     "sha256": "5f49cb698b168181c329ee729d0715c1ca13c30d3f0b585da330ea9b1376aa2f"
    }
   },
   "fetched": {
    "at": "2026-11-01T06:15:16Z",
    "http": 200,
    "url": "https://www.wikidata.org/wiki/Wikidata:Main_Page",
    "agent": "Mozilla/5.0 (compatible; leesharks-authorship-census)",
    "raw": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B1.html",
    "raw_sha256": "1b85b6cc2f727937e31549f340f5837d90787fb04386dcc375302938fc9064f9",
    "text": [
     "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B1.txt"
    ]
   },
   "names_operator": true,
   "names_archive": false
  },
  {
   "id": "B2",
   "origin": "card",
   "pool": "B_D",
   "role": "Overview card 2; the census's third-party source wikidata--wikipedia (also the entity's Wikipedia article, B_R, carried once here)",
   "card": "Wikipedia — Wikidata - Wikipedia",
   "url": "https://en.wikipedia.org/wiki/Wikidata",
   "kind": "Wikipedia's article on the entity; the census's saved copy",
   "files": {
    "B2.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B2.html",
     "sha256": "6eab13fa20541e89d17f65547428f9782061ea627b48960fb3fa9f01f30eba8d"
    },
    "B2.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B2.txt",
     "sha256": "061c95fa1649802c37e36f4463971e7999db73aa486932f0c000ccd129a377d3"
    }
   },
   "fetched": {
    "census_copy": {
     "src": "wikidata--wikipedia",
     "url": "https://en.wikipedia.org/wiki/Wikidata",
     "http": "200",
     "sha256": "6eab13fa20541e89d17f65547428f9782061ea627b48960fb3fa9f01f30eba8d",
     "fetched": "2026-11-01T05:32:48Z",
     "read": "2026-11-01"
    },
    "note": "copied from the census's saved copy (gunzipped), sha256 matching the manifest; not refetched"
   },
   "names_operator": true,
   "names_archive": false
  },
  {
   "id": "B3",
   "origin": "card",
   "pool": "B_D",
   "role": "Overview card 3",
   "card": "Wikidata Query Service — Wikidata Query Service",
   "url": "https://query.wikidata.org/",
   "kind": "the Query Service page: script-rendered, no text in the HTML; the card snippet stands as its text",
   "files": {
    "B3.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B3.html",
     "sha256": "c08d8b554051466c1f8373b162673443bf9c7894b6ebc619796d536a496a1546"
    },
    "B3.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B3.txt",
     "sha256": "2063697e0ed0a3d6d376f18c08904588b3a622812094fe5b162b143314e96f01"
    }
   },
   "fetched": {
    "at": "2026-11-01T06:15:17Z",
    "http": 200,
    "url": "https://query.wikidata.org/",
    "agent": "Mozilla/5.0 (compatible; leesharks-authorship-census)",
    "raw": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B3.html",
    "raw_sha256": "c08d8b554051466c1f8373b162673443bf9c7894b6ebc619796d536a496a1546",
    "text": [
     "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B3.txt"
    ],
    "note": "HTTP 200, 17,940 bytes, script-rendered (the extracted text is the interface's controls only); card snippet stands"
   },
   "names_operator": false,
   "names_archive": false
  },
  {
   "id": "B4",
   "origin": "card",
   "pool": "B_D",
   "role": "Overview card 4; the census's own page wikidata--intro",
   "card": "Wikidata — Wikidata:Introduction",
   "url": "https://www.wikidata.org/wiki/Wikidata:Introduction",
   "kind": "the entity's introduction page; the census's saved copy",
   "files": {
    "B4.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B4.html",
     "sha256": "a5d3749d5b95b101d48c426b9da2224dcca110706f72fb06135c5e825098ab34"
    },
    "B4.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B4.txt",
     "sha256": "8303bcf275d6224a4c20370fd91cfaaaf1354220565239e28f7349ae37485740"
    }
   },
   "fetched": {
    "census_copy": {
     "src": "wikidata--intro",
     "url": "https://www.wikidata.org/wiki/Wikidata:Introduction",
     "http": "200",
     "sha256": "a5d3749d5b95b101d48c426b9da2224dcca110706f72fb06135c5e825098ab34",
     "fetched": "2026-11-01T05:32:48Z",
     "read": "2026-11-01"
    },
    "note": "copied from the census's saved copy (gunzipped), sha256 matching the manifest; not refetched"
   },
   "names_operator": true,
   "names_archive": false
  },
  {
   "id": "B5",
   "origin": "card",
   "pool": "B_D",
   "role": "Overview card 5 (video)",
   "card": "YouTube·Llyfrgell Genedlaethol - National Library of Wales — An introduction to Wikidata",
   "url": null,
   "kind": "video card, admitted through title and snippet; URL not found (WebSearch on title and channel)",
   "files": {},
   "fetched": {
    "unreachable": true,
    "note": "unreached: a video card; WebSearch on title and channel did not return the video's URL; title and snippet stand"
   },
   "names_operator": false,
   "names_archive": false
  },
  {
   "id": "B6",
   "origin": "card",
   "pool": "B_D",
   "role": "Overview card 6",
   "card": "GitHub — What is Wikidata?",
   "url": "https://librarycarpentry.github.io/lc-wikidata/01-introduction.html",
   "kind": "Library Carpentry, Wikidata lesson, episode 1 (GitHub Pages); found by GitHub code search on the card snippet (LibraryCarpentry/lc-wikidata, episodes/01-introduction.md)",
   "files": {
    "B6.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B6.html",
     "sha256": "565f2139ec9316c0c48b8024c7ad35956dcfea0bef446e139b4677d0cf797a7c"
    },
    "B6.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B6.txt",
     "sha256": "f280b8abd797f0e37ee64feb5f46ecefa7912714216b04177f17888798895ba6"
    }
   },
   "fetched": {
    "at": "2026-11-01T06:15:47Z",
    "http": 200,
    "url": "https://librarycarpentry.github.io/lc-wikidata/01-introduction.html",
    "agent": "Mozilla/5.0 (compatible; leesharks-authorship-census)",
    "raw": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B6.html",
    "raw_sha256": "565f2139ec9316c0c48b8024c7ad35956dcfea0bef446e139b4677d0cf797a7c",
    "text": [
     "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B6.txt"
    ]
   },
   "names_operator": true,
   "names_archive": false
  },
  {
   "id": "B7",
   "origin": "card",
   "pool": "B_D",
   "role": "Overview card 7 (video, 3m)",
   "card": "YouTube·Wikimedian in Residence - University of Edinburgh — A brief intro to Wikidata and how to set up an account.",
   "url": null,
   "kind": "video card with no snippet, admitted through title alone; not searched further",
   "files": {},
   "fetched": {
    "unreachable": true,
    "note": "title only (no snippet on the rail)"
   },
   "names_operator": false,
   "names_archive": false
  },
  {
   "id": "B8",
   "origin": "card",
   "pool": "B_D",
   "role": "Overview card 8 (video, 10m)",
   "card": "YouTube·Columbia SPS — Wikidata, Knowledge Graphs, and Beyond",
   "url": null,
   "kind": "video card with no snippet, admitted through title alone; not searched further",
   "files": {},
   "fetched": {
    "unreachable": true,
    "note": "title only (no snippet on the rail)"
   },
   "names_operator": false,
   "names_archive": false
  },
  {
   "id": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "role": "the census's own page wikidata-pseudonym--property; not surfaced by T",
   "card": "Wikidata — Property:P742 (pseudonym)",
   "url": "https://www.wikidata.org/wiki/Property:P742",
   "kind": "the entity's property page for P742; the census's saved copy",
   "files": {
    "B9.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B9.html",
     "sha256": "ab8481d73509b55026556d7633ef1ab36863ac057ccf4dab53120f8e38dd7b8c"
    },
    "B9.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B9.txt",
     "sha256": "b625fa6bf0aede072e22ba306dda6def87f7f0e0c713d9c76a02dcfb0b76bf11"
    }
   },
   "fetched": {
    "census_copy": {
     "src": "wikidata-pseudonym--property",
     "url": "https://www.wikidata.org/wiki/Property:P742",
     "http": "200",
     "sha256": "ab8481d73509b55026556d7633ef1ab36863ac057ccf4dab53120f8e38dd7b8c",
     "fetched": "2026-11-01T05:06:34Z",
     "read": "2026-11-01"
    },
    "note": "copied from the census's saved copy (gunzipped), sha256 matching the manifest; not refetched"
   },
   "names_operator": false,
   "names_archive": false
  },
  {
   "id": "B10",
   "origin": "census_third_party",
   "pool": "B_R",
   "role": "the census's third-party source isni--wikipedia; not surfaced by T",
   "card": "Wikipedia — International Standard Name Identifier",
   "url": "https://en.wikipedia.org/wiki/International_Standard_Name_Identifier",
   "kind": "Wikipedia's ISNI article, read at its passages on Wikidata; the census's saved copy",
   "files": {
    "B10.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B10.html",
     "sha256": "24575f41df3842882f13ba8caf11d4a96c70fa16c4ab360583625a4049035f6a"
    },
    "B10.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B10.txt",
     "sha256": "6e896cd4a929806c3409257cf7c17c34c76dcbf6074061b07bdb3854d9b185e5"
    }
   },
   "fetched": {
    "census_copy": {
     "src": "isni--wikipedia",
     "url": "https://en.wikipedia.org/wiki/International_Standard_Name_Identifier",
     "http": "200",
     "sha256": "24575f41df3842882f13ba8caf11d4a96c70fa16c4ab360583625a4049035f6a",
     "fetched": "2026-11-01T05:32:47Z",
     "read": "2026-11-01"
    },
    "note": "copied from the census's saved copy (gunzipped), sha256 matching the manifest; not refetched"
   },
   "names_operator": false,
   "names_archive": false
  },
  {
   "id": "B11",
   "origin": "census_third_party",
   "pool": "B_R",
   "role": "the census's third-party source viaf--wikipedia; not surfaced by T",
   "card": "Wikipedia — Virtual International Authority File",
   "url": "https://en.wikipedia.org/wiki/Virtual_International_Authority_File",
   "kind": "Wikipedia's VIAF article, read at its passages on Wikidata; the census's saved copy",
   "files": {
    "B11.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B11.html",
     "sha256": "d506ac21de7d3c5c673cc75d04ad77a5d6a1cfd3c05675c16576219293ea1fb9"
    },
    "B11.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B11.txt",
     "sha256": "e4ab93d2af644a0d735efafab388ea6feba357b1bf4cfe54e7073c0b457f95a3"
    }
   },
   "fetched": {
    "census_copy": {
     "src": "viaf--wikipedia",
     "url": "https://en.wikipedia.org/wiki/Virtual_International_Authority_File",
     "http": "200",
     "sha256": "d506ac21de7d3c5c673cc75d04ad77a5d6a1cfd3c05675c16576219293ea1fb9",
     "fetched": "2026-11-01T05:32:48Z",
     "read": "2026-11-01"
    },
    "note": "copied from the census's saved copy (gunzipped), sha256 matching the manifest; not refetched"
   },
   "names_operator": false,
   "names_archive": false
  },
  {
   "id": "B12",
   "origin": "census_third_party",
   "pool": "B_R",
   "role": "the census's third-party source orcid-names--wikipedia; not surfaced by T",
   "card": "Wikipedia — ORCID",
   "url": "https://en.wikipedia.org/wiki/ORCID",
   "kind": "Wikipedia's ORCID article, read at its passages on Wikidata; the census's saved copy",
   "files": {
    "B12.html": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B12.html",
     "sha256": "08dcd844e53103479bb54928f0989b0e16dde444b70b83a4300f4e9c42c7fca2"
    },
    "B12.txt": {
     "path": "datasets/negative-of-the-negative/v2/intake/wikidata-20261101/B12.txt",
     "sha256": "de2ca33190c2dd4af5121d4b1431ae5111cf61f30f087e600a282c73ebcbdddb"
    }
   },
   "fetched": {
    "census_copy": {
     "src": "orcid-names--wikipedia",
     "url": "https://en.wikipedia.org/wiki/ORCID",
     "http": "200",
     "sha256": "08dcd844e53103479bb54928f0989b0e16dde444b70b83a4300f4e9c42c7fca2",
     "fetched": "2026-11-01T05:06:34Z",
     "read": "2026-11-01"
    },
    "note": "copied from the census's saved copy (gunzipped), sha256 matching the manifest; not refetched"
   },
   "names_operator": false,
   "names_archive": false
  }
 ],
 "field_claims": {
  "F1": {
   "source": "B1",
   "origin": "card",
   "pool": "B_D",
   "locus": "Main Page, 'Welcome!' ¶1",
   "quote": "Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.",
   "claim": "the main page's definition: a free and open knowledge base read and edited by humans and machines",
   "modality": "stipulation",
   "kind": "definition",
   "kernel": true,
   "const": true,
   "lineage": "what it is: a free, open, collaborative, multilingual knowledge base of structured data",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B1.txt (sha256 5f49cb698b168181…), whitespace-normalised"
  },
  "F2": {
   "source": "B1",
   "origin": "card",
   "pool": "B_D",
   "locus": "Main Page, 'Welcome!' ¶2",
   "quote": "Wikidata acts as central storage for the structured data of its Wikimedia sister projects including Wikipedia, Wikivoyage, Wiktionary, Wikisource, and others.",
   "claim": "Wikidata is the central storage of structured data for its Wikimedia sister projects",
   "modality": "stipulation",
   "kind": "function",
   "kernel": true,
   "const": false,
   "lineage": "central storage for the Wikimedia projects and beyond",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B1.txt (sha256 5f49cb698b168181…), whitespace-normalised"
  },
  "F3": {
   "source": "B1",
   "origin": "card",
   "pool": "B_D",
   "locus": "Main Page, banner",
   "quote": "the free knowledge base with 123,855,402 data entities that anyone can edit.",
   "claim": "the main page counts 123,855,402 data entities on 2026-11-01",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "size and content",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B1.txt (sha256 5f49cb698b168181…), whitespace-normalised"
  },
  "F4": {
   "source": "B1",
   "origin": "card",
   "pool": "B_D",
   "locus": "Main Page, 'Welcome!' ¶3",
   "quote": "The content of Wikidata is available under a free license, exported using standard formats, and can be interlinked to other open data sets on the linked data web.",
   "claim": "its content is under a free license, exported in standard formats and interlinkable with other open data sets on the linked data web",
   "modality": "stipulation",
   "kind": "function",
   "kernel": false,
   "const": false,
   "lineage": "license",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B1.txt (sha256 5f49cb698b168181…), whitespace-normalised"
  },
  "F5": {
   "source": "B1",
   "origin": "card",
   "pool": "B_D",
   "locus": "Main Page, 'Learn about Wikidata'",
   "quote": "Explore Wikidata by looking at a featured showcase item for author Douglas Adams (Q42).",
   "claim": "the showcase item is the author Douglas Adams (Q42)",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "items, labels, descriptions and aliases",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B1.txt (sha256 5f49cb698b168181…), whitespace-normalised"
  },
  "F6": {
   "source": "B1",
   "origin": "card",
   "pool": "B_D",
   "locus": "Main Page, News",
   "quote": "This online event will focus on the migration of the Wikidata Query Service from Blazegraph to QLever",
   "claim": "the Query Service is migrating from Blazegraph to QLever (the Query Service Days of October 2026)",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the Query Service and data access",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B1.txt (sha256 5f49cb698b168181…), whitespace-normalised"
  },
  "F7": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, lead s1 (also card 2 snippet)",
   "quote": "Wikidata is a collaboratively edited multilingual knowledge graph hosted by the Wikimedia Foundation .",
   "claim": "Wikipedia: a collaboratively edited multilingual knowledge graph hosted by the Wikimedia Foundation",
   "modality": "documented",
   "kind": "definition",
   "kernel": true,
   "const": true,
   "lineage": "what it is: a free, open, collaborative, multilingual knowledge base of structured data",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F8": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, lead s2",
   "quote": "It is a source of open data released under the Creative Commons CC0 public domain dedication.",
   "claim": "Wikipedia: open data released under CC0",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "license",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F9": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, lead s4",
   "quote": "Launched in October 2012, it is developed mainly by Wikimedia Deutschland and supplies the interlanguage links and some of the infobox data used by Wikipedia and other Wikimedia projects.",
   "claim": "launched October 2012, developed mainly by Wikimedia Deutschland; supplies interlanguage links and some infobox data to the Wikimedia projects",
   "modality": "documented",
   "kind": "attribution",
   "kernel": true,
   "const": false,
   "lineage": "host, developer and editors",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F10": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, lead s6–s7",
   "quote": "As of early 2025, Wikidata had 1.65 billion item statements. [ 5 ] [ verification needed ] As of October 2026 [ update ] , Wikidata held more than 123 million data entities, such as items, properties and lexemes.",
   "claim": "1.65 billion item statements (early 2025, marked 'verification needed'); more than 123 million data entities (October 2026)",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "size and content",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F11": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Concept",
   "quote": "Each item is allocated a unique persistent identifier called its QID , a positive integer prefixed with the upper-case letter \"Q\".",
   "claim": "each item has a unique persistent identifier, its QID",
   "modality": "documented",
   "kind": "definition",
   "kernel": false,
   "const": false,
   "lineage": "items, labels, descriptions and aliases",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F12": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Concept",
   "quote": "Item labels do not need to be unique. … However, the combination of a label and its description must be unique.",
   "claim": "labels need not be unique; a label with its description must be",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "items, labels, descriptions and aliases",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F13": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Statements",
   "quote": "Formally, they consist of key–value pairs , which match a property (such as \"author\", or \"publication date\") with one or more entity values (such as \" Sir Arthur Conan Doyle \" or \"1902\").",
   "claim": "statements are property–value pairs; 'author' is a property whose value can be a person",
   "modality": "documented",
   "kind": "definition",
   "kernel": false,
   "const": false,
   "lineage": "statements, qualifiers, references and rank",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F14": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Statements",
   "quote": "Values in the statements may also be annotated with references , pointing to a source backing up the statement's content. … Each statement also has a rank : normal by default, preferred for the most current value or the one that best represents consensus, or deprecated for a value known to contain errors.",
   "claim": "values may carry references; each statement has a rank (normal, preferred, deprecated)",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "statements, qualifiers, references and rank",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F15": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Properties",
   "quote": "Constraints are treated as testing alerts and hints, rather than inviolable rules.",
   "claim": "property constraints are alerts and hints, not enforced rules",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "stated limits: constraints, references and notability",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F16": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Content",
   "quote": "Items for scholarly articles are the biggest part of Wikidata, followed by the collection of biographies.",
   "claim": "scholarly articles are the largest part of its items, biographies the next",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "size and content",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F17": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Statements and data access",
   "quote": "According to a 2020 study, a large proportion of the data on Wikidata consists of entries imported en masse from other databases by Internet bots",
   "claim": "a 2020 study: much of its data is bot-imported en masse from other databases",
   "modality": "attributed",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "host, developer and editors",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F18": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Development",
   "quote": "The creation of the project was funded by donations from the Allen Institute for AI , the Gordon and Betty Moore Foundation , and Google, Inc. , totaling € 1.3 million.",
   "claim": "its creation was funded by the Allen Institute for AI, the Moore Foundation and Google, €1.3 million",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "Google and Wikidata",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F19": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Initial rollout",
   "quote": "Wikidata was launched on 29 October 2012 and was the first new project of the Wikimedia Foundation since 2006.",
   "claim": "launched 29 October 2012, the Foundation's first new project since 2006",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "host, developer and editors",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F20": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Query service",
   "quote": "On September 7, 2015, the Wikimedia Foundation announced the release of the Wikidata Query Service … In June 2026, the Wikimedia Foundation and Wikimedia Deutschland chose QLever to replace Blazegraph, with the aim of moving all query traffic to it by June 30, 2027.",
   "claim": "the Query Service since 2015; QLever chosen in June 2026 to replace Blazegraph by 30 June 2027",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the Query Service and data access",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F21": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Query service",
   "quote": "The Wikidata Embedding Project was made available in October 2025. It provides a vector-based semantic search tool, allowing plain-language queries, and supports the Model Context Protocol standard that makes the data more readily available to AI systems.",
   "claim": "the Embedding Project (October 2025): vector search, Model Context Protocol, data for AI systems",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "machine reuse",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F22": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Reception",
   "quote": "In December 2014, Google announced that it would shut down Freebase in favor of Wikidata.",
   "claim": "Google announced in December 2014 it would shut down Freebase in favor of Wikidata",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "Google and Wikidata",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F23": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Applications",
   "quote": "Wikidata's structured dataset has been used by virtual assistants such as Apple's Siri and Amazon Alexa .",
   "claim": "its dataset has been used by Siri and Alexa",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "machine reuse",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F24": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Notes a",
   "quote": "Structured data in the main (item), Property, Lexeme and EntitySchema namespaces is released under CC0; text in the other namespaces is available under the Creative Commons Attribution-ShareAlike License.",
   "claim": "Wikipedia's note: CC0 for structured data in four namespaces, CC BY-SA for text in the others",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "license",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F25": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Reception",
   "quote": "found that on the English Wikipedia, transclusion that affected the content of an article occurred in about 5% of articles, rather than the 61% suggested by earlier statistics.",
   "claim": "a 2020 study (Isaac Johnson): content-affecting transclusion in about 5% of English Wikipedia articles",
   "modality": "attributed",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "central storage for the Wikimedia projects and beyond",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F26": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Reception",
   "quote": "In 2025, Wikidata was recognised as a \" digital public good \" by the Digital Public Goods Alliance.",
   "claim": "recognised a digital public good in 2025",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "reception",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F27": {
   "source": "B2",
   "origin": "card",
   "pool": "B_D",
   "locus": "Wikipedia, Applications",
   "quote": "Verified Handles, a directory of social media accounts, links most of its entries to Wikidata items and adds the accounts listed there.",
   "claim": "Verified Handles links its directory of accounts to Wikidata items",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B2.txt (sha256 061c95fa1649802c…), whitespace-normalised"
  },
  "F28": {
   "source": "B3",
   "origin": "card",
   "pool": "B_D",
   "locus": "card 3 title and snippet (page script-rendered: no text in the HTML)",
   "quote": "Wikidata Query Service * Prefixes * Wikidata wikibase wd wdt wdtn wds p wdref wdv ps psv psn pq pqv pqn pr prv prn wdno wdata wdsubgraph mwapi W3C rdfs rdf owl",
   "claim": "the Query Service's page lists its SPARQL prefixes",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "the Query Service and data access",
   "date": "undated on the card",
   "quote_ok": true,
   "checked_against": "the card rail of the registry's transcript string (T1, sha256 0ffd6dec00433a58…), whitespace-normalised"
  },
  "F29": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, opening",
   "quote": "Wikidata is a free , collaborative , multilingual , secondary knowledge base, collecting structured data to provide support for Wikipedia , Wikimedia Commons , the other wikis of the Wikimedia movement , and to anyone in the world.",
   "claim": "its own definition: a free, collaborative, multilingual, secondary knowledge base of structured data for the Wikimedia wikis and anyone",
   "modality": "stipulation",
   "kind": "definition",
   "kernel": true,
   "const": true,
   "lineage": "what it is: a free, open, collaborative, multilingual knowledge base of structured data",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F30": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, 'Free.'",
   "quote": "The data in Wikidata is published under the Creative Commons Public Domain Dedication 1.0 , allowing the reuse of the data in many different scenarios. You can copy, modify, distribute and perform the data, even for commercial purposes, without asking for permission.",
   "claim": "the data is published under CC0 1.0 and reusable without permission, commercially included",
   "modality": "stipulation",
   "kind": "function",
   "kernel": true,
   "const": false,
   "lineage": "license",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F31": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, 'Collaborative.'",
   "quote": "Data is entered and maintained by Wikidata editors, who decide on the rules of content creation and management. Automated bots also enter data into Wikidata.",
   "claim": "editors enter data and decide its rules; bots also enter data",
   "modality": "stipulation",
   "kind": "attribution",
   "kernel": true,
   "const": false,
   "lineage": "host, developer and editors",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F32": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, 'A secondary knowledge base.'",
   "quote": "Wikidata records not just statements, but also their sources, and connections to other databases. This reflects the diversity of knowledge available and supports the notion of verifiability.",
   "claim": "it records statements, their sources and connections to other databases, for verifiability",
   "modality": "stipulation",
   "kind": "definition",
   "kernel": true,
   "const": true,
   "lineage": "a secondary knowledge base: statements with their sources",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F33": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, The Wikidata repository ¶1",
   "quote": "The Wikidata repository consists mainly of items , each one having a label , a description and any number of aliases . Items are uniquely identified by a Q followed by a number, such as Douglas Adams (Q42) .",
   "claim": "items with a label, a description and any number of aliases, identified by Q-numbers (Q42)",
   "modality": "stipulation",
   "kind": "definition",
   "kernel": true,
   "const": true,
   "lineage": "items, labels, descriptions and aliases",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F34": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, The Wikidata repository ¶2",
   "quote": "Statements describe detailed characteristics of an Item and consist of a property and a value . Properties in Wikidata have a P followed by a number, such as with educated at (P69) .",
   "claim": "statements are a property and a value; properties are P-numbers (P69)",
   "modality": "stipulation",
   "kind": "definition",
   "kernel": true,
   "const": false,
   "lineage": "statements, qualifiers, references and rank",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F35": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, The Wikidata repository ¶3",
   "quote": "A property that links an item to an external database, such as an authority control database used by libraries and archives, is called an identifier .",
   "claim": "its definition of an identifier: a property linking an item to an external database such as a library and archive authority control database",
   "modality": "stipulation",
   "kind": "definition",
   "kernel": true,
   "const": true,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F36": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, 'Multilingual.'",
   "quote": "Data entered in any language is immediately available in all other languages.",
   "claim": "data entered in any language is available in all",
   "modality": "stipulation",
   "kind": "function",
   "kernel": false,
   "const": false,
   "lineage": "multilingual",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F37": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, How does Wikidata work?",
   "quote": "Wikidata is a central storage repository that can be accessed by others, such as the wikis maintained by the Wikimedia Foundation .",
   "claim": "a central storage repository accessed by the Foundation's wikis and others",
   "modality": "stipulation",
   "kind": "function",
   "kernel": false,
   "const": false,
   "lineage": "central storage for the Wikimedia projects and beyond",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F38": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, Working with Wikidata",
   "quote": "Wikidata Query Service and Reasonator are some of the popular tools to search for and examine Wikidata items.",
   "claim": "the Query Service and Reasonator search and examine items",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the Query Service and data access",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F39": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, How can I contribute?",
   "quote": "To learn what kind of data belongs on Wikidata please see the notability policy .",
   "claim": "a notability policy decides what data belongs",
   "modality": "stipulation",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "stated limits: constraints, references and notability",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F40": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, footer",
   "quote": "All structured data from the main, Property, Lexeme, and EntitySchema namespaces is available under the Creative Commons CC0 License ; text in the other namespaces is available under the Creative Commons Attribution-ShareAlike License",
   "claim": "the footer: CC0 for structured data in four namespaces, CC BY-SA for text in the others",
   "modality": "stipulation",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "license",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F41": {
   "source": "B4",
   "origin": "card",
   "pool": "B_D",
   "locus": "Introduction, footer",
   "quote": "This page was last edited on 21 October 2026, at 08:00.",
   "claim": "the introduction was last edited 21 October 2026",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "host, developer and editors",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B4.txt (sha256 8303bcf275d6224a…), whitespace-normalised"
  },
  "F42": {
   "source": "B5",
   "origin": "card",
   "pool": "B_D",
   "locus": "card 5 title and snippet (video; admitted through title and snippet)",
   "quote": "An introduction to Wikidata … where can I find information about Tom Jones wiki data has a query service and other tools for asking these questions and visualizing all the data.",
   "claim": "the National Library of Wales video: Wikidata has a query service and tools for asking and visualizing",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "the Query Service and data access",
   "date": "undated on the card",
   "quote_ok": true,
   "checked_against": "the card rail of the registry's transcript string (T1, sha256 0ffd6dec00433a58…), whitespace-normalised"
  },
  "F43": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, 'What is Wikidata?' ¶1",
   "quote": "Wikidata describes itself as “a free and open knowledge base that can be read and edited by both humans and machines.”",
   "claim": "the lesson quotes the main page's self-definition",
   "modality": "attributed",
   "kind": "definition",
   "kernel": false,
   "const": false,
   "lineage": "what it is: a free, open, collaborative, multilingual knowledge base of structured data",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F44": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, 'What is Wikidata?' ¶4",
   "quote": "Google closed their own knowledge base project Freebase in 2016 in favor of backing Wikidata, and Google’s Knowledge Graph now draws on Wikidata data.",
   "claim": "Google closed Freebase in 2016 in favor of Wikidata; Google's Knowledge Graph draws on Wikidata",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "Google and Wikidata",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F45": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, 'What is Wikidata?' ¶5 (card 6 snippet)",
   "quote": "Wikidata functions as the central database for a variety of Wiki projects, including Wikipedia, Wiktionary, and Wikisource, among others.",
   "claim": "the central database for many wiki projects",
   "modality": "documented",
   "kind": "function",
   "kernel": false,
   "const": false,
   "lineage": "central storage for the Wikimedia projects and beyond",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F46": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, 'What is Wikidata?' ¶7",
   "quote": "Wikidata also contains authority files, bibliographic data, and other content that can similarly be found or managed in library databases.",
   "claim": "it contains authority files and bibliographic data like library databases",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F47": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, Motivation, 'Knowledge Integration and Access'",
   "quote": "Knowledge Integration and Access: Wikidata offers an open and structured way to interlink various identifiers (like ORCID, GND, or VIAF).",
   "claim": "it interlinks identifiers such as ORCID, GND and VIAF",
   "modality": "documented",
   "kind": "function",
   "kernel": true,
   "const": true,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F48": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, Motivation, 'Authority Control'",
   "quote": "Authority Control: Librarians often work with authority files like GND or VIAF to ensure consistent naming conventions. Wikidata helps to map and retrieve these identifiers, making cataloging more efficient.",
   "claim": "for authority control it maps and retrieves GND and VIAF identifiers",
   "modality": "documented",
   "kind": "function",
   "kernel": false,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F49": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, Real-World Examples, 'Crosswalks between systems'",
   "quote": "Crosswalks between systems: Wikidata’s ability to link various identifiers (e.g., connecting ORCID to GND or VIAF) is beneficial for cross-referencing and data cleaning in library management systems.",
   "claim": "it crosswalks ORCID to GND or VIAF",
   "modality": "documented",
   "kind": "function",
   "kernel": false,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F50": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, 1.5 Linking Wikidata to other Wiki resources",
   "quote": "Here, for example, is where you will find information about how an author’s Wikidata page relates to various national library catalogs, the Virtual International Authority File, or fan databases that document an author’s writings.",
   "claim": "an author's item relates the author to national library catalogs, VIAF and fan databases, in its Identifiers section",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F51": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, 1.2, statement parts",
   "quote": "qualifier (optional) references (optional)",
   "claim": "on an item page, qualifiers and references are optional parts of a statement",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "statements, qualifiers, references and rank",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F52": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, 1.3 Wikidata’s commitment to open data",
   "quote": "All of Wikidata’s data is published freely and openly online under a Creative Commons CC0 License",
   "claim": "the lesson: all of its data under CC0",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "license",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F53": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, 1.5, the solution",
   "quote": "It is important to note that Wikidata is limited to basic statements or assertions, such as when the work was published, who and where it was published, and who wrote the work. This is similar to a catalog record.",
   "claim": "its limit: basic statements such as who wrote a work, like a catalog record",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "what it holds of a work: basic statements",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F54": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, Key Points",
   "quote": "Wikidata and Wikipedia are complementary, but Wikidata is focused on basic claims or assertions, not descriptive or narrative information",
   "claim": "basic claims, not descriptive or narrative information",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "what it holds of a work: basic statements",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F55": {
   "source": "B6",
   "origin": "card",
   "pool": "B_D",
   "locus": "episode 1, page head",
   "quote": "Last updated on 2026-04-17",
   "claim": "the lesson was last updated 2026-04-17",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "reception",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B6.txt (sha256 f280b8abd797f0e3…), whitespace-normalised"
  },
  "F56": {
   "source": "B7",
   "origin": "card",
   "pool": "B_D",
   "locus": "card 7 title (video, 3m; no snippet)",
   "quote": "A brief intro to Wikidata and how to set up an account.",
   "claim": "a University of Edinburgh video on Wikidata and setting up an account",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "reception",
   "date": "undated on the card",
   "quote_ok": true,
   "checked_against": "the card rail of the registry's transcript string (T1, sha256 0ffd6dec00433a58…), whitespace-normalised"
  },
  "F57": {
   "source": "B8",
   "origin": "card",
   "pool": "B_D",
   "locus": "card 8 title (video, 10m; no snippet)",
   "quote": "Wikidata, Knowledge Graphs, and Beyond",
   "claim": "a Columbia SPS video on Wikidata and knowledge graphs",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "reception",
   "date": "undated on the card",
   "quote_ok": true,
   "checked_against": "the card rail of the registry's transcript string (T1, sha256 0ffd6dec00433a58…), whitespace-normalised"
  },
  "F58": {
   "source": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Property:P742, label and description",
   "quote": "pseudonym (P742) … alias used by someone (for nickname use P1449)",
   "claim": "property P742, pseudonym: an alias used by someone",
   "modality": "stipulation",
   "kind": "definition",
   "kernel": true,
   "const": true,
   "lineage": "the pseudonym property: a name a person used",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B9.txt (sha256 b625fa6bf0aede07…), whitespace-normalised"
  },
  "F59": {
   "source": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Property:P742, English aliases",
   "quote": "pen name stage name code name user name known professionally as heteronym nom de plume",
   "claim": "P742's aliases include pen name, stage name, user name and heteronym",
   "modality": "stipulation",
   "kind": "definition",
   "kernel": true,
   "const": true,
   "lineage": "the pseudonym property: a name a person used",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B9.txt (sha256 b625fa6bf0aede07…), whitespace-normalised"
  },
  "F60": {
   "source": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Property:P742, data type",
   "quote": "Data type String",
   "claim": "P742's value is a string",
   "modality": "stipulation",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "the pseudonym property: a name a person used",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B9.txt (sha256 b625fa6bf0aede07…), whitespace-normalised"
  },
  "F61": {
   "source": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Property:P742, subject type constraint",
   "quote": "subject type constraint class human character group of humans individual animal award group broadcasting program person relation instance of constraint status mandatory constraint",
   "claim": "P742 is used on items of humans, characters, groups of humans and other listed types (mandatory)",
   "modality": "stipulation",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the pseudonym property: a name a person used",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B9.txt (sha256 b625fa6bf0aede07…), whitespace-normalised"
  },
  "F62": {
   "source": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Property:P742, format constraint",
   "quote": "format constraint format as a regular expression [^;]{1,100}| constraint status mandatory constraint",
   "claim": "the value is up to 100 characters with no semicolon (mandatory)",
   "modality": "stipulation",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the pseudonym property: a name a person used",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B9.txt (sha256 b625fa6bf0aede07…), whitespace-normalised"
  },
  "F63": {
   "source": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Property:P742, allowed qualifiers",
   "quote": "IPA transcription start time end time writing system … applies to work",
   "claim": "allowed qualifiers include start time, end time and applies to work",
   "modality": "stipulation",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the pseudonym property: a name a person used",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B9.txt (sha256 b625fa6bf0aede07…), whitespace-normalised"
  },
  "F64": {
   "source": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Property:P742, citation-needed constraint",
   "quote": "citation-needed constraint constraint status suggestion constraint",
   "claim": "citation on P742 is a suggestion constraint",
   "modality": "stipulation",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "stated limits: constraints, references and notability",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B9.txt (sha256 b625fa6bf0aede07…), whitespace-normalised"
  },
  "F65": {
   "source": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Property:P742, examples",
   "quote": "Elsa Bernstein pseudonym Ernst Rosmer 0 references Basshunter pseudonym Basshunter 0 references Madonna pseudonym Louise Ciccone 0 references Beyoncé pseudonym Sasha Fierce",
   "claim": "the property's examples pair a person with a name (Elsa Bernstein, Ernst Rosmer; Beyoncé, Sasha Fierce)",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the pseudonym property: a name a person used",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B9.txt (sha256 b625fa6bf0aede07…), whitespace-normalised"
  },
  "F66": {
   "source": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Property:P742, equivalent property",
   "quote": "equivalent property http://d-nb.info/standards/elementset/gnd#pseudonym",
   "claim": "P742 is equivalent to the GND's pseudonym element",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B9.txt (sha256 b625fa6bf0aede07…), whitespace-normalised"
  },
  "F67": {
   "source": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Property:P742, related properties",
   "quote": "related Wikidata property nickname 0 references subject named as 0 references art name",
   "claim": "related properties: nickname, subject named as, art name",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the pseudonym property: a name a person used",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B9.txt (sha256 b625fa6bf0aede07…), whitespace-normalised"
  },
  "F68": {
   "source": "B9",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Property:P742, footer",
   "quote": "This page was last edited on 24 August 2026, at 21:04.",
   "claim": "the property page was last edited 24 August 2026",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the pseudonym property: a name a person used",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B9.txt (sha256 b625fa6bf0aede07…), whitespace-normalised"
  },
  "F69": {
   "source": "B10",
   "origin": "census_third_party",
   "pool": "B_R",
   "locus": "Wikipedia, International Standard Name Identifier, External links",
   "quote": "Wikidata has the property: ISNI (P213)",
   "claim": "Wikidata has an ISNI property, P213",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B10.txt (sha256 6e896cd4a929806c…), whitespace-normalised"
  },
  "F70": {
   "source": "B11",
   "origin": "census_third_party",
   "pool": "B_R",
   "locus": "Wikipedia, Virtual International Authority File, ¶ on data exchange",
   "quote": "The file numbers are also being added to Wikipedia biographical articles and are incorporated into Wikidata .",
   "claim": "VIAF file numbers are incorporated into Wikidata",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B11.txt (sha256 e4ab93d2af644a0d…), whitespace-normalised"
  },
  "F71": {
   "source": "B11",
   "origin": "census_third_party",
   "pool": "B_R",
   "locus": "Wikipedia, Virtual International Authority File, participants table",
   "quote": "Wikidata [ citation needed ] WKP – Berlin , Germany",
   "claim": "Wikidata is listed (citation needed) as a VIAF participant, WKP",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B11.txt (sha256 e4ab93d2af644a0d…), whitespace-normalised"
  },
  "F72": {
   "source": "B11",
   "origin": "census_third_party",
   "pool": "B_R",
   "locus": "Wikipedia, Virtual International Authority File, External links",
   "quote": "Wikidata has the property: VIAF cluster ID (P214)",
   "claim": "Wikidata has a VIAF property, P214",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B11.txt (sha256 e4ab93d2af644a0d…), whitespace-normalised"
  },
  "F73": {
   "source": "B12",
   "origin": "census_third_party",
   "pool": "B_R",
   "locus": "Wikipedia, ORCID, Integrations",
   "quote": "Both Wikipedia and Wikidata include pages with ORCID identifiers.",
   "claim": "Wikidata includes pages with ORCID identifiers",
   "modality": "documented",
   "kind": "fact",
   "kernel": true,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B12.txt (sha256 de2ca33190c2dd4a…), whitespace-normalised"
  },
  "F74": {
   "source": "B12",
   "origin": "census_third_party",
   "pool": "B_R",
   "locus": "Wikipedia, ORCID, External links",
   "quote": "Wikidata has the property: ORCID iD (P496)",
   "claim": "Wikidata has an ORCID property, P496",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "the hub of identifiers",
   "date": "2026-11-01 (read)",
   "quote_ok": true,
   "checked_against": "saved text B12.txt (sha256 de2ca33190c2dd4a…), whitespace-normalised"
  }
 },
 "field_sources": {
  "B1": "Wikidata — Wikidata",
  "B2": "Wikipedia — Wikidata - Wikipedia",
  "B3": "Wikidata Query Service — Wikidata Query Service",
  "B4": "Wikidata — Wikidata:Introduction",
  "B5": "YouTube·Llyfrgell Genedlaethol - National Library of Wales — An introduction to Wikidata",
  "B6": "GitHub — What is Wikidata?",
  "B7": "YouTube·Wikimedian in Residence - University of Edinburgh — A brief intro to Wikidata and how to set up an account.",
  "B8": "YouTube·Columbia SPS — Wikidata, Knowledge Graphs, and Beyond",
  "B9": "Wikidata — Property:P742 (pseudonym)",
  "B10": "Wikipedia — International Standard Name Identifier",
  "B11": "Wikipedia — Virtual International Authority File",
  "B12": "Wikipedia — ORCID"
 }
}