{
 "row": "htrc",
 "address": "HathiTrust Research Center",
 "addresses": [
  "HathiTrust Research Center"
 ],
 "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",
 "B_note": "The field B (§0.4, §3.1(a)), in two pools and kept apart by origin. B_D, the disclosed pool: 'card', every card on the transcript's rail (B1 a HathiTrust page on the center, unreachable; B2 the HTRC Analytics home page, also the census's own page; B3 a page titled 'HathiTrust Research Center', unreachable; B4 'Update on HathiTrust Research Center', 26 June 2026, unreachable). B_R, the reference pool: 'own_page', the entity's About (B5) and Derived datasets (B6) pages, fetched by this row, and htrc.illinois.edu (B7, the census's own page, empty); Wikipedia has no article (recorded). A source in both is carried once, in B_D.",
 "lineage_note": "Lineages by sense; the field and the archive share them where an archive claim states the same sense. See row.objects.P.rail for each lineage with its earliest source.",
 "pages": "saved files under datasets/negative-of-the-negative/v2/intake/htrc-20261101/ (Bn.html raw, Bn.txt text with scripts and styles stripped; B1, B3, B4 .txt the card's title and snippet, B1.html and B4.html the 403 pages; B2 the census's saved copy; B7 empty; tries/ the raw fetches and the Wikipedia 404s)",
 "counts": {
  "sources": 7,
  "B_D": 4,
  "B_R": 3,
  "fetched": 3,
  "unreachable": 3,
  "unread_empty": 1,
  "claims": 43,
  "claims_B_D": 15,
  "claims_B_R": 28,
  "quotes_ok": 43
 },
 "field": [
  {
   "id": "B1",
   "card": "HathiTrust — HathiTrust Research Center – HathiTrust Digital Library",
   "fetched": "unreachable: https://www.hathitrust.org/about/research-center/ HTTP 403 at 2026-11-01T15:13:30Z; card title and snippet only",
   "origin": "card",
   "pool": "B_D"
  },
  {
   "id": "B2",
   "card": "HathiTrust — HTRC Analytics",
   "fetched": "card and census own page; B2.html sha256 5e7d8be238f03fa7, HTTP 200 at 2026-11-01T04:07:50Z (the census's copy; this row's refetch at 15:13:55Z byte-identical)",
   "origin": "card",
   "pool": "B_D"
  },
  {
   "id": "B3",
   "card": "HathiTrust — HathiTrust Research Center",
   "fetched": "unreachable: https://www.hathitrust.org/about/research-center/ HTTP 403 at 2026-11-01T15:13:30Z; https://htrc.illinois.edu/ HTTP 200 at 2026-11-01T15:13:31Z (empty body, 0 bytes; again at 15:14Z); card title and snippet only",
   "origin": "card",
   "pool": "B_D"
  },
  {
   "id": "B4",
   "card": "HathiTrust — Update on HathiTrust Research Center",
   "fetched": "unreachable: https://www.hathitrust.org/press-post/update-on-hathitrust-research-center/ HTTP 403 at 2026-11-01T15:13:30Z; https://www.hathitrust.org/about/research-center/htrc-transition-faq HTTP 403 at 2026-11-01T15:13:31Z; https://www.hathitrust.org/press-post/plans-for-hathitrust-research-center/ HTTP 403 at 2026-11-01T15:13:31Z; card title and snippet only",
   "origin": "card",
   "pool": "B_D"
  },
  {
   "id": "B5",
   "card": "HTRC Analytics — About (own page, fetched by this row)",
   "fetched": "own page, fetched by this row; B5.html sha256 032e23f9e0697c13, HTTP 200 at 2026-11-01T15:13:55Z",
   "origin": "own_page",
   "pool": "B_R"
  },
  {
   "id": "B6",
   "card": "HTRC Analytics — Derived datasets (own page, fetched by this row)",
   "fetched": "own page, fetched by this row; B6.html sha256 e4bf2715eb11a778, HTTP 200 at 2026-11-01T15:14:13Z",
   "origin": "own_page",
   "pool": "B_R"
  },
  {
   "id": "B7",
   "card": "HathiTrust Research Center — htrc.illinois.edu (census own page, empty)",
   "fetched": "own page (census htrc--about): HTTP 200, empty body (0 bytes) at 04:07:50Z and on refetch; unread",
   "origin": "own_page",
   "pool": "B_R"
  }
 ],
 "field_by_origin": {
  "cards": [
   "B1",
   "B2",
   "B3",
   "B4"
  ],
  "own_pages": [
   "B5",
   "B6",
   "B7"
  ],
  "own_pages_note": "the census's own page htrc--home (https://analytics.hathitrust.org/) is card 2: one page, carried once, as a card, in B_D (B2); the census's other own page htrc--about (htrc.illinois.edu) is B7, empty; B5 (About) and B6 (Derived datasets) are the entity's own pages fetched by this row, linked from the home page, and both on the census's unchecked list",
  "wikipedia": [],
  "census_third_party": [],
  "unreachable": [
   "B1",
   "B3",
   "B4"
  ],
  "title_only": [
   "B1",
   "B3",
   "B4"
  ],
  "unread": [
   "B7"
  ],
  "wikipedia_state": "none: no English Wikipedia article 'HathiTrust Research Center' (raw wikitext HTTP 404 and rendered page HTTP 404, 'Wikipedia does not have an article with this exact name.', 2026-11-01T15:14Z; 'HTRC' raw HTTP 404); the API query for redirects and the search answered HTTP 429 (rate limit) and were not retried. The HathiTrust article (the census's saved copy for its hathitrust row, hathitrust--wikipedia, sha256 cf7c9231…, last edited 19 October 2026) does not mention the center, the HTRC or non-consumptive research; it is the parent's article and enters no claim here. The absence is recorded as a fact of the row (v0.10 §3.1(a)).",
  "pools": {
   "B_D": [
    "B1",
    "B2",
    "B3",
    "B4"
   ],
   "B_R": [
    "B5",
    "B6",
    "B7"
   ],
   "note": "v0.10 §0.3, §3.1(a): B_D, every card on the rail (the body names no source beyond the cards; its inline link on the center's name points to card 1's chip); B_R, the reference pool: the entity's own pages beyond card 2 (B5, B6, B7) and the record of Wikipedia's absence. T against L_F(B_D) uses B1–B4 alone."
  },
  "sources": [
   {
    "id": "B1",
    "origin": "card",
    "pool": "B_D",
    "role": "Overview card 1",
    "card": "HathiTrust — HathiTrust Research Center – HathiTrust Digital Library",
    "url": null,
    "kind": "Overview card 1 (a HathiTrust page on the center; hathitrust.org)",
    "files": {
     "B1.html": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B1.html",
      "sha256": "66bae49a5621e900aa75f3c42b9c272abc5fd6e12d2ed2af2e3290702098e21b"
     },
     "B1.txt": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B1.txt",
      "sha256": "d0553e06faa798308c8e9873db12be2198eb4bdccfe179e9d497d9b312f43647"
     }
    },
    "fetched": {
     "result": "unreachable: https://www.hathitrust.org/about/research-center/ HTTP 403 at 2026-11-01T15:13:30Z; one attempt each with the census agent string 'Mozilla/5.0 (compatible; traininglayerliterature-census)', no retry by another agent string or route; the card's title and snippet stand as its only text (Bn.txt)",
     "tries": [
      {
       "url": "https://www.hathitrust.org/about/research-center/",
       "http": 403,
       "at": "2026-11-01T15:13:30Z"
      }
     ]
    },
    "searches": [
     "WebSearch '\"HTRC public services (data capsules, analytics algorithms, analytics gateway login) unavailable\"'",
     "WebSearch 'hathitrust.org \"HathiTrust Research Center\" \"the following public-facing HTRC services are no longer available\"'"
    ],
    "card_title": "HathiTrust Research Center – HathiTrust Digital Library",
    "card_snippet": "Status: HTRC public services (data capsules, analytics algorithms, analytics gateway login) unavailable as of 9/30/26; HathiTrust suspending HTRC funding at end...",
    "surfaced_by_T": [
     {
      "slug": "hathitrust-research-center-aio-20261101",
      "card": 1
     }
    ],
    "names_operator": "yes (HathiTrust, in the card title and snippet)",
    "names_archive": "no (none of the Crimson Hexagonal Archive, Alexanarch, Lee Sharks, leesharks.com, machinemediation, EA-WG-CAPTURES-01 in the saved text, card title and snippet)",
    "note": "URL cannot be determined from the card: its title is the hathitrust.org page-title form ('… – HathiTrust Digital Library'); the site refused the census agent (HTTP 403, a Cloudflare challenge page, saved as tries/try1.html), as it refused the census at hathitrust.org/about/ (2026-11-01T04:07:49Z, HTTP 403); no retry by another agent string or route. The card's title and snippet are its only text."
   },
   {
    "id": "B2",
    "origin": "card",
    "pool": "B_D",
    "role": "Overview card 2 (and the census own page htrc--home: one page, carried once, in B_D)",
    "card": "HathiTrust — HTRC Analytics",
    "url": "https://analytics.hathitrust.org/",
    "kind": "Overview card 2 (the HTRC Analytics home page); the census's own page htrc--home: one page, carried once, in B_D",
    "files": {
     "B2.html": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B2.html",
      "sha256": "5e7d8be238f03fa77c63da96b2b31f46e45c3f0e8f80ef8faff2181ad0e01494"
     },
     "B2.txt": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B2.txt",
      "sha256": "d6583ac119dc47ed153266839ff64647a5182a2e33995658994bf3c966ea5e95"
     }
    },
    "fetched": {
     "at": "2026-11-01T04:07:50Z",
     "http": 200,
     "url": "https://analytics.hathitrust.org/",
     "raw": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B2.html",
     "raw_sha256": "5e7d8be238f03fa77c63da96b2b31f46e45c3f0e8f80ef8faff2181ad0e01494",
     "text": [
      "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B2.txt"
     ],
     "census_copy": {
      "src": "htrc--home",
      "http": "200",
      "fetched": "2026-11-01T04:07:50Z",
      "sha256": "5e7d8be238f03fa77c63da96b2b31f46e45c3f0e8f80ef8faff2181ad0e01494"
     },
     "refetch": {
      "at": "2026-11-01T15:13:55Z",
      "http": 200,
      "file": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/tries/an-home.html",
      "sha256": "5e7d8be238f03fa77c63da96b2b31f46e45c3f0e8f80ef8faff2181ad0e01494",
      "note": "byte-identical to the census copy"
     }
    },
    "card_title": "HTRC Analytics",
    "card_snippet": "# Supporting large-scale text analysis of the HathiTrust Digital Library for educational and non-profit research The HathiTrust Research Center (HTRC) is a rese...",
    "surfaced_by_T": [
     {
      "slug": "hathitrust-research-center-aio-20261101",
      "card": 2
     }
    ],
    "names_operator": "yes ('a partnership between Indiana University, the University of Illinois Urbana-Champaign, and HathiTrust')",
    "names_archive": "no (none of the Crimson Hexagonal Archive, Alexanarch, Lee Sharks, leesharks.com, machinemediation, EA-WG-CAPTURES-01 in the saved text, card title and snippet)",
    "note": "The census's saved copy (htrc--home, fetched 2026-11-01T04:07:50Z, sha256 5e7d8be2… as in the manifest) copied as B2.html and B2.txt; this row's refetch at 2026-11-01T15:13:55Z (tries/an-home.html) is byte-identical (same sha256). The card's snippet opens with the page's heading and first sentence."
   },
   {
    "id": "B3",
    "origin": "card",
    "pool": "B_D",
    "role": "Overview card 3",
    "card": "HathiTrust — HathiTrust Research Center",
    "url": null,
    "kind": "Overview card 3 (a page titled 'HathiTrust Research Center')",
    "files": {
     "B3.txt": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B3.txt",
      "sha256": "68b34e244058d19eb706eef62ac389a068abb5e7211222bff70e21d8de331a5d"
     }
    },
    "fetched": {
     "result": "unreachable: https://www.hathitrust.org/about/research-center/ HTTP 403 at 2026-11-01T15:13:30Z; https://htrc.illinois.edu/ HTTP 200 at 2026-11-01T15:13:31Z (empty body, 0 bytes; again at 15:14Z); one attempt each with the census agent string 'Mozilla/5.0 (compatible; traininglayerliterature-census)', no retry by another agent string or route; the card's title and snippet stand as its only text (Bn.txt)",
     "tries": [
      {
       "url": "https://www.hathitrust.org/about/research-center/",
       "http": 403,
       "at": "2026-11-01T15:13:30Z"
      },
      {
       "url": "https://htrc.illinois.edu/",
       "http": 200,
       "at": "2026-11-01T15:13:31Z (empty body, 0 bytes; again at 15:14Z)"
      }
     ]
    },
    "searches": [
     "WebSearch '\"HathiTrust Research Center\" \"As of 9/30/26\" data capsules analytics algorithms analytics gateway login'"
    ],
    "card_title": "HathiTrust Research Center",
    "card_snippet": "As of 9/30/26, the following public-facing HTRC services are no longer available: data capsules, analytics algorithms, and analytics gateway login. More informa...",
    "surfaced_by_T": [
     {
      "slug": "hathitrust-research-center-aio-20261101",
      "card": 3
     }
    ],
    "names_operator": "no (snippet names HTRC only)",
    "names_archive": "no (none of the Crimson Hexagonal Archive, Alexanarch, Lee Sharks, leesharks.com, machinemediation, EA-WG-CAPTURES-01 in the saved text, card title and snippet)",
    "note": "URL cannot be determined from the card: the two pages a title 'HathiTrust Research Center' may name are hathitrust.org/about/research-center/ (HTTP 403, Cloudflare) and htrc.illinois.edu (HTTP 200 with an empty body, as the census found it); the analytics site's About page (B5) carries none of the snippet's words. The card's title and snippet are its only text."
   },
   {
    "id": "B4",
    "origin": "card",
    "pool": "B_D",
    "role": "Overview card 4",
    "card": "HathiTrust — Update on HathiTrust Research Center",
    "url": null,
    "kind": "Overview card 4 (a HathiTrust announcement dated June 26, 2026)",
    "files": {
     "B4.html": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B4.html",
      "sha256": "a4cdd04474a7174c5f54266be675441d39722de8dcdb2f50202daf05a758419b"
     },
     "B4.txt": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B4.txt",
      "sha256": "c2fa67cab0ef75f4355a57b6be52f369ed8c23714cd6f6e37ac4ca3d6af5f493"
     }
    },
    "fetched": {
     "result": "unreachable: https://www.hathitrust.org/press-post/update-on-hathitrust-research-center/ HTTP 403 at 2026-11-01T15:13:30Z; https://www.hathitrust.org/about/research-center/htrc-transition-faq HTTP 403 at 2026-11-01T15:13:31Z; https://www.hathitrust.org/press-post/plans-for-hathitrust-research-center/ HTTP 403 at 2026-11-01T15:13:31Z; one attempt each with the census agent string 'Mozilla/5.0 (compatible; traininglayerliterature-census)', no retry by another agent string or route; the card's title and snippet stand as its only text (Bn.txt)",
     "tries": [
      {
       "url": "https://www.hathitrust.org/press-post/update-on-hathitrust-research-center/",
       "http": 403,
       "at": "2026-11-01T15:13:30Z"
      },
      {
       "url": "https://www.hathitrust.org/about/research-center/htrc-transition-faq",
       "http": 403,
       "at": "2026-11-01T15:13:31Z"
      },
      {
       "url": "https://www.hathitrust.org/press-post/plans-for-hathitrust-research-center/",
       "http": 403,
       "at": "2026-11-01T15:13:31Z"
      }
     ]
    },
    "searches": [
     "WebSearch '\"Update on HathiTrust Research Center\" June 26, 2026'"
    ],
    "card_title": "Update on HathiTrust Research Center",
    "card_snippet": "# Update on HathiTrust Research Center June 26, 2026 Since the founding of the HathiTrust Research Center in 2011, HTRC staff and researchers have led highly re...",
    "surfaced_by_T": [
     {
      "slug": "hathitrust-research-center-aio-20261101",
      "card": 4
     }
    ],
    "names_operator": "yes (HathiTrust, in the card title and snippet)",
    "names_archive": "no (none of the Crimson Hexagonal Archive, Alexanarch, Lee Sharks, leesharks.com, machinemediation, EA-WG-CAPTURES-01 in the saved text, card title and snippet)",
    "note": "URL cannot be determined from the card: WebSearch on the title returned no page of that title; the likely hathitrust.org paths (a press post by the title's slug; the transition FAQ; 'plans-for-hathitrust-research-center', linked from the census's saved home page) all refused the census agent with HTTP 403 (Cloudflare). The card's title and snippet are its only text."
   },
   {
    "id": "B5",
    "origin": "own_page",
    "pool": "B_R",
    "role": "own page in the reference pool, fetched by this row",
    "card": "HTRC Analytics — About (own page, fetched by this row)",
    "url": "https://analytics.hathitrust.org/about/",
    "kind": "the entity's own About page, which the home page links as 'Read about the future of the HathiTrust Research Center' (/about#future-of-htrc); the census lists that page as unchecked",
    "files": {
     "B5.html": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B5.html",
      "sha256": "032e23f9e0697c133fdd06d5ac29f07fe1e556cc0232e1a9f6c80ac29ff5da1f"
     },
     "B5.txt": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B5.txt",
      "sha256": "d6875bc0ed24335820f15e5b3589ae89f07898ff35fa47ae547bbc7a62e12bc6"
     }
    },
    "fetched": {
     "at": "2026-11-01T15:13:55Z",
     "http": 200,
     "url": "https://analytics.hathitrust.org/about/",
     "raw": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B5.html",
     "raw_sha256": "032e23f9e0697c133fdd06d5ac29f07fe1e556cc0232e1a9f6c80ac29ff5da1f",
     "text": [
      "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B5.txt"
     ],
     "extraction": "scripts, styles, noscript and comments stripped, tags removed, entities unescaped, whitespace runs collapsed (scratch script htrc_txt.py)"
    },
    "surfaced_by_T": [],
    "names_operator": "yes ('co-located at Indiana University and the University of Illinois at Urbana-Champaign')",
    "names_archive": "no (none of the Crimson Hexagonal Archive, Alexanarch, Lee Sharks, leesharks.com, machinemediation, EA-WG-CAPTURES-01 in the saved text, card title and snippet)",
    "note": "Fetched by this row with the census agent at 2026-11-01T15:13:55Z (HTTP 200); not surfaced by T; admitted as an own page in the reference pool (v0.10 §3.1(a)). Its body predates the sunset banner it carries ('For now, HTRC will continue its current services')."
   },
   {
    "id": "B6",
    "origin": "own_page",
    "pool": "B_R",
    "role": "own page in the reference pool, fetched by this row",
    "card": "HTRC Analytics — Derived datasets (own page, fetched by this row)",
    "url": "https://analytics.hathitrust.org/deriveddatasets/",
    "kind": "the entity's own page for its derived datasets, linked from the home page ('Derived Datasets'); the census lists 'the derived datasets themselves (sizes, licenses)' as unchecked",
    "files": {
     "B6.html": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B6.html",
      "sha256": "e4bf2715eb11a7781103665b0a2b838e309bf4c1fbffb773452929b9f2456db1"
     },
     "B6.txt": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B6.txt",
      "sha256": "2adb5de1573401a03fe11597d4d8539f9ad91e1b13ac5a504f5486d41d977b5a"
     }
    },
    "fetched": {
     "at": "2026-11-01T15:14:13Z",
     "http": 200,
     "url": "https://analytics.hathitrust.org/deriveddatasets/",
     "raw": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B6.html",
     "raw_sha256": "e4bf2715eb11a7781103665b0a2b838e309bf4c1fbffb773452929b9f2456db1",
     "text": [
      "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B6.txt"
     ],
     "extraction": "scripts, styles, noscript and comments stripped, tags removed, entities unescaped, whitespace runs collapsed (scratch script htrc_txt.py)"
    },
    "surfaced_by_T": [],
    "names_operator": "the center by name ('HTRC releases research datasets'); no partner named",
    "names_archive": "no (none of the Crimson Hexagonal Archive, Alexanarch, Lee Sharks, leesharks.com, machinemediation, EA-WG-CAPTURES-01 in the saved text, card title and snippet)",
    "note": "Fetched by this row with the census agent at 2026-11-01T15:14:13Z (HTTP 200); not surfaced by T; admitted as an own page in the reference pool."
   },
   {
    "id": "B7",
    "origin": "own_page",
    "pool": "B_R",
    "role": "own page in the reference pool (census own page htrc--about)",
    "card": "HathiTrust Research Center — htrc.illinois.edu (census own page, empty)",
    "url": "https://htrc.illinois.edu/",
    "kind": "the census's own page htrc--about",
    "files": {
     "B7.html": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B7.html",
      "sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
     },
     "B7.txt": {
      "path": "datasets/negative-of-the-negative/v2/intake/htrc-20261101/B7.txt",
      "sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
     }
    },
    "fetched": {
     "at": "2026-11-01T04:07:50Z",
     "http": 200,
     "url": "https://htrc.illinois.edu/",
     "result": "unread: HTTP 200 with an empty body (0 bytes), as the census found it; refetched 2026-11-01T15:13:31Z and 15:14Z, the same (tries/try3.html, tries/htrc-illinois-2.html)",
     "census_copy": {
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   "quote": "While copyright-protected texts are not available for download from HathiTrust, fruitful research can still be performed on the basis of non-consumptive analysis of transformative datasets, such as in HTRC's flagship Extracted Features Dataset, which includes features extracted from full-text volumes.",
   "claim": "copyright-protected texts cannot be downloaded; research proceeds on transformative datasets such as the Extracted Features Dataset, features extracted from full-text volumes",
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   "quote": "These features include volume-level metadata, page-level metadata, part-of-speech-tagged tokens, and token counts.",
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   "quote": "HTRC has also produced and partnered with advanced researchers to produce other derived datasets, openly released for use anywhere and by anyone, detailed below.",
   "claim": "other derived datasets, produced with researchers, openly released for use anywhere and by anyone",
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   "quote": "The HTRC Extracted Features Dataset v.2.0 is composed of page-level features for 17.1 million volumes in the HathiTrust Digital Library. This version contains non-consumptive features for both public-domain and in-copyright books.",
   "claim": "Extracted Features v.2.0: page-level features for 17.1 million volumes, public-domain and in-copyright alike",
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  "F34": {
   "source": "B6",
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   "locus": "HTRC Extracted Features Dataset, Contents",
   "quote": "# of volumes In-copyright Public domain and Creative Commons 17,123,746 10,550,952 6,572,794 # of pages 6,221,631,336 # of tokens 2,906,819,723,689",
   "claim": "its contents: 17,123,746 volumes (10,550,952 in copyright, 6,572,794 public domain and Creative Commons), 6,221,631,336 pages, 2,906,819,723,689 tokens",
   "modality": "documented",
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  },
  "F35": {
   "source": "B6",
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   "quote": "This feature dataset is free is released under a Creative Commons Attribution 4.0 International License .",
   "claim": "the feature dataset is free, released under CC BY 4.0",
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   "quote": "Jacob Jett, Boris Capitanu, Deren Kudeki, Timothy Cole, Yuerong Hu, Peter Organisciak, Ted Underwood, Eleanor Dickson Koehl, Ryan Dubnicek, J. Stephen Downie (2020). The HathiTrust Research Center Extracted Features Dataset (2.0). HathiTrust Research Center. https://doi.org/10.13012/R2TE-C227",
   "claim": "the dataset carries its makers' names and a DOI (Jett et al., 2020)",
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   "locus": "HTRC BookNLP Dataset for English-Language Fiction, Description",
   "quote": "The HTRC BookNLP Dataset for English-Language Fiction (ELF) derived dataset was created using the BookNLP pipeline , extracting data from the NovelTM English-language fiction set , a supervised machine learning-derived set of around 213,000 volumes in the HathiTrust Digital Library.",
   "claim": "the BookNLP dataset: BookNLP run over the NovelTM English-language fiction set, a machine-learning-derived set of about 213,000 volumes",
   "modality": "documented",
   "kind": "fact",
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   "source": "B6",
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   "locus": "HTRC BookNLP Dataset for English-Language Fiction, Description",
   "quote": "This dataset is modified from the standard BookNLP pipeline to output only files that meet HTRC's non-consumptive use policy that requires minimal data that cannot be easily reconstructed into the raw volume to be released.",
   "claim": "the non-consumptive use policy, as the page states it: released data minimal, unable to be easily reconstructed into the raw volume",
   "modality": "stipulation",
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  "F39": {
   "source": "B6",
   "origin": "own_page",
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   "locus": "HTRC BookNLP Dataset for English-Language Fiction, Description",
   "quote": "BookNLP is a text analysis pipeline tailored for common natural language processing (NLP) tasks to empower work in computational linguistics, cultural analytics, NLP, machine learning, and other fields.",
   "claim": "BookNLP is an NLP pipeline for work in computational linguistics, cultural analytics, NLP, machine learning and other fields",
   "modality": "documented",
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   "const": false,
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  },
  "F40": {
   "source": "B6",
   "origin": "own_page",
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   "locus": "HTRC BookNLP Dataset for English-Language Fiction, Contents",
   "quote": "# of volumes represented 201,527 # of in-copyright volumes represented 90,857",
   "claim": "201,527 volumes represented, 90,857 of them in copyright",
   "modality": "documented",
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   "kernel": false,
   "const": false,
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  },
  "F41": {
   "source": "B6",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Word Frequencies in English-Language Literature, 1700-1922, Description",
   "quote": "This dataset contains the word frequencies for all English-language volumes of fiction, drama, and poetry in the HathiTrust Digital Library from 1700 to 1922. Word counts are aggregated at the volume level, but include only pages tagged as belonging to the relevant literary genre.",
   "claim": "word frequencies for every English-language volume of fiction, drama and poetry, 1700–1922, aggregated by volume over the pages tagged with the genre",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "derived datasets: what the reading made",
   "date": "2015 (the dataset's attribution year)",
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  },
  "F42": {
   "source": "B6",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Geographic Locations in English-Language Literature, 1701-2011, Description",
   "quote": "This dataset contains metadata as well as data regarding geographic locations mentioned in works of fiction from 1701-2011 found in the HathiTrust Digital Library.",
   "claim": "geographic locations mentioned in works of fiction, 1701–2011, with metadata",
   "modality": "documented",
   "kind": "fact",
   "kernel": false,
   "const": false,
   "lineage": "derived datasets: what the reading made",
   "date": "undated (the page as fetched 2026-11-01)",
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  },
  "F43": {
   "source": "B6",
   "origin": "own_page",
   "pool": "B_R",
   "locus": "Geographic Locations in English-Language Literature, 1701-2011, Download the data",
   "quote": "For each version of the dataset we also include a file containing just the volume ids which can be used for workset creation or to download the volumes into an HTRC data capsule to run further non-consumptive text analysis on the volumes themselves.",
   "claim": "volume ids supplied for workset creation, or for loading the volumes into a data capsule for further non-consumptive analysis",
   "modality": "documented",
   "kind": "function",
   "kernel": false,
   "const": false,
   "lineage": "the portal: worksets, algorithms, data capsules",
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 },
 "field_sources": {
  "B1": "HathiTrust — HathiTrust Research Center – HathiTrust Digital Library",
  "B2": "HathiTrust — HTRC Analytics",
  "B3": "HathiTrust — HathiTrust Research Center",
  "B4": "HathiTrust — Update on HathiTrust Research Center",
  "B5": "HTRC Analytics — About (own page, fetched by this row)",
  "B6": "HTRC Analytics — Derived datasets (own page, fetched by this row)",
  "B7": "HathiTrust Research Center — htrc.illinois.edu (census own page, empty)"
 }
}