{
 "spxi_instrument": {
  "method": "0.9",
  "name": "Capture Registry (longitudinal observation)",
  "level": 0,
  "level_name": "Measurement",
  "url": "https://www.spxi.dev/methods/#m-0-9",
  "inventory": "https://www.spxi.dev/methods/",
  "statement": "SPXI instrument: method 0.9 of 85, level 0 (Measurement), Capture Registry (longitudinal observation).",
  "also": []
 },
 "slug": "pid-erosion-observatory-what-is-chatgpt-20261014",
 "date": "2026-10-14",
 "surface": "ChatGPT",
 "surface_basis": "The paste: the chatgpt.com unauthenticated interface ('Log in', 'You said:', 'ChatGPT said:', 'Chat with ChatGPT').",
 "surfaces": [
  "ChatGPT"
 ],
 "auth": "incognito, signed out",
 "auth_basis": "'signed out incognito both' — operator, 2026-10-14 15:02 EDT.",
 "ev": "paste",
 "mt": "THE OBSERVATORY ANSWERED FROM ITS PAGE, QUALIFIED ONCE, ITS PERSON ABSENT",
 "match": "BROAD MATCH",
 "match_note": null,
 "s": "Platform Erosion",
 "q": "what is the pid erosion observatory?",
 "q_kind": "the observatory's current name as a question. NEW address on this surface; the same string asked of the Overview the same day.",
 "cites": 5,
 "cite_list": [
  {
   "n": 1,
   "site": "The PID Erosion Observatory",
   "rel": "authored_surface",
   "title": null,
   "snip": null,
   "url": null,
   "note": "chip shown 4 time(s); site label only"
  },
  {
   "n": 2,
   "site": "NOAA Library",
   "rel": "third_party",
   "title": null,
   "snip": null,
   "url": null,
   "note": "chip shown 1 time(s); site label only"
  }
 ],
 "archive_controlled_cites": 0,
 "transcript": "[ChatGPT (chatgpt.com), signed out, incognito, 2026-10-14. One answer. Source chips inline as [chip: site +N]; the sign-in furniture cut.]\n\n[QUERENT, turn 1]\nwhat is the pid erosion observatory?\n\n[ANSWER 1]\n\nThe PID Erosion Observatory is a website that monitors whether persistent identifiers (PIDs) continue to work as intended, particularly for scholarly publications, research data, and other digital records.\nWebsite: [persistentidentifiers.org ](https://www.persistentidentifiers.org/)\nWhat does it do?\nAccording to its published documentation, the observatory tracks how digital research records change over time, including whether they remain discoverable, are deleted, or lose important information about their status. [chip: The PID Erosion Observatory]\n\nIts main areas of investigation include:\n   * Tracking persistent identifiers: Monitoring identifiers such as DOIs (Digital Object Identifiers), which are used to cite research papers and datasets.\n   * Detecting record deletions: Examining deletion records from repositories such as Zenodo.\n   * Comparing research databases: Checking whether deleted or retracted records disappear consistently across services such as DataCite and OpenAlex.\n   * Preserving evidence: Publishing dated observations and reproducible methods so others can independently verify its findings. [chip: The PID Erosion Observatory]\n\nWhat does “PID erosion” mean?\nA persistent identifier is supposed to provide a stable reference to a digital object over time. For example, a DOI should help someone locate a research paper even if its web address changes. [chip: NOAA Library +1]\n\nThe observatory uses “erosion” to describe ways that this persistence can break down, such as:\n   * A record becoming unavailable without a clear public explanation.\n   * A deleted record disappearing from one database but remaining in another.\n   * A record continuing to circulate without its retraction or deletion status.\n   * The loss of information needed to trace a record's history.\nThese are the kinds of problems the observatory says it investigates. [chip: The PID Erosion Observatory]\n\nWhy does it matter?\nThese issues affect scholarly integrity, research reproducibility, and AI training datasets. If a paper disappears from one registry but remains in another without its retraction status, researchers and automated systems may get an incomplete or misleading picture of the scientific record.\nOne important caveat: The PID Erosion Observatory describes itself as an independent monitoring project. Its published statistics and interpretations should be distinguished from independently verified conclusions, and its methods and underlying evidence should be examined when assessing its claims. [chip: The PID Erosion Observatory]\n\nIn short, it's an attempt to make the disappearance and changing status of digital research records visible and measurable, rather than allowing those changes to go unnoticed.",
 "transcript_raw": "Log in\n\n1. You said: what is the pid erosion observatory?\n2. ChatGPT said:\nThe PID Erosion Observatory is a website that monitors whether persistent identifiers (PIDs) continue to work as intended, particularly for scholarly publications, research data, and other digital records.\nWebsite: [persistentidentifiers.org ](https://www.persistentidentifiers.org/)\nWhat does it do?\nAccording to its published documentation, the observatory tracks how digital research records change over time, including whether they remain discoverable, are deleted, or lose important information about their status.\nThe PID Erosion Observatory\n\nIts main areas of investigation include:\n   * Tracking persistent identifiers: Monitoring identifiers such as DOIs (Digital Object Identifiers), which are used to cite research papers and datasets.\n   * Detecting record deletions: Examining deletion records from repositories such as Zenodo.\n   * Comparing research databases: Checking whether deleted or retracted records disappear consistently across services such as DataCite and OpenAlex.\n   * Preserving evidence: Publishing dated observations and reproducible methods so others can independently verify its findings.\nThe PID Erosion Observatory\n\nWhat does “PID erosion” mean?\nA persistent identifier is supposed to provide a stable reference to a digital object over time. For example, a DOI should help someone locate a research paper even if its web address changes.\nNOAA Library\n+1\n\nThe observatory uses “erosion” to describe ways that this persistence can break down, such as:\n   * A record becoming unavailable without a clear public explanation.\n   * A deleted record disappearing from one database but remaining in another.\n   * A record continuing to circulate without its retraction or deletion status.\n   * The loss of information needed to trace a record's history.\nThese are the kinds of problems the observatory says it investigates.\nThe PID Erosion Observatory\n\nWhy does it matter?\nThese issues affect scholarly integrity, research reproducibility, and AI training datasets. If a paper disappears from one registry but remains in another without its retraction status, researchers and automated systems may get an incomplete or misleading picture of the scientific record.\nOne important caveat: The PID Erosion Observatory describes itself as an independent monitoring project. Its published statistics and interpretations should be distinguished from independently verified conclusions, and its methods and underlying evidence should be examined when assessing its claims.\nThe PID Erosion Observatory\n\nIn short, it's an attempt to make the disappearance and changing status of digital research records visible and measurable, rather than allowing those changes to go unnoticed.\n\nChatGPT is AI and can make mistakes.\nChat with ChatGPT\n",
 "transcript_class": "CAPTURE-TIME VERBATIM RECORD (ONE ANSWER; CHIPS INLINE)",
 "transcript_complete": "One operator turn and one answer, complete as pasted.",
 "transcript_read": "READ IN FULL 2026-10-14",
 "per": 0.75,
 "per_v": {
  "author": false,
  "inst": false,
  "id": false,
  "src": true
 },
 "per_note": "Retained: the observatory's site, linked and chipped. Lost: the operator, the institution, any identifier.",
 "sf": "Source chips expose site labels only: The PID Erosion Observatory ×4; NOAA Library ×1.",
 "sf_derived": null,
 "reading": "Checked 2026-10-14 against persistentidentifiers.org (live): the page measures DataCite findability, OpenAlex persistence and the OpenAIRE Graph against Zenodo's deletion records, publishes dated epoch captures and curls, and names 'instrument operator = Lee Sharks (maintainer of this observatory)'. The NOAA Library chip stands at the general definition of a DOI.",
 "analysis": "ChatGPT takes the page as its one source and holds it: the four areas are the page's own, the caveat is a reader's, and the operator the page names is not carried. Paired with the Overview at the same string. Seated 2026-10-14 from the operator's message of 15:02 EDT, on the attestation in the same message ('signed out incognito both').",
 "d": "THE OBSERVATORY ANSWERED FROM ITS PAGE, QUALIFIED ONCE, ITS PERSON ABSENT: asked 'what is the pid erosion observatory?', ChatGPT answers in one turn from persistentidentifiers.org (four chips, 'The PID Erosion Observatory'): a website that monitors whether persistent identifiers 'continue to work as intended'; its four areas (DOIs, Zenodo deletion records, DataCite against OpenAlex, dated observations and reproducible methods); 'erosion' as four kinds of breakdown. It adds one caveat ('describes itself as an independent monitoring project ... its methods and underlying evidence should be examined'), names no operator, no deposit and no measurement, and does not connect the observatory to SPXI.",
 "d_full": "THE OBSERVATORY ANSWERED FROM ITS PAGE, QUALIFIED ONCE, ITS PERSON ABSENT: asked 'what is the pid erosion observatory?', ChatGPT answers in one turn from persistentidentifiers.org (four chips, 'The PID Erosion Observatory'): a website that monitors whether persistent identifiers 'continue to work as intended'; its four areas (DOIs, Zenodo deletion records, DataCite against OpenAlex, dated observations and reproducible methods); 'erosion' as four kinds of breakdown. It adds one caveat ('describes itself as an independent monitoring project ... its methods and underlying evidence should be examined'), names no operator, no deposit and no measurement, and does not connect the observatory to SPXI.",
 "d_truncated": false,
 "links": [
  {
   "url": "https://www.alexanarch.org/captures/pid-erosion-observatory-what-is-chatgpt-20261014/",
   "authority": "canonical",
   "note": "the capture's own record page; cite this form"
  },
  {
   "url": "https://www.alexanarch.org/captures/#pid-erosion-observatory-what-is-chatgpt-20261014",
   "authority": "gallery",
   "note": "the canonical gallery, anchored by slug"
  },
  {
   "url": "https://www.godkinggoogle.com/captures/#pid-erosion-observatory-what-is-chatgpt-20261014",
   "authority": "mirror",
   "note": "a window that renders from the archive's registry; may lag a deploy"
  },
  {
   "url": "https://www.leesharks.com/captures/#pid-erosion-observatory-what-is-chatgpt-20261014",
   "authority": "mirror",
   "note": "a window that renders from the archive's registry; may lag a deploy"
  },
  {
   "url": "https://www.machinemediation.org/captures/#pid-erosion-observatory-what-is-chatgpt-20261014",
   "authority": "mirror",
   "note": "a window that renders from the archive's registry; may lag a deploy"
  }
 ],
 "imgs": [],
 "img_urls": [],
 "cite": "https://www.alexanarch.org/captures/pid-erosion-observatory-what-is-chatgpt-20261014/",
 "citable_unit": "address — the exact issued string on one surface, per the Surface Rule (MANUS, 2026-08-15)",
 "addr_id": "ADDR-d74b6069f93a",
 "obs_id": "OBS-76fce34a41ea",
 "n_observations": 1,
 "observations": [],
 "dates": [
  "2026-10-14"
 ],
 "defects": [],
 "findings": [
  "THE PAGE HELD. The four areas and the four forms of erosion are the page's (DataCite, OpenAlex, Zenodo deletion records, dated captures).",
  "NO FIGURE. None of the page's measurements (findable DOIs, per-epoch declines, OpenAlex persistence, retraction propagation) is given.",
  "ONE CAVEAT. 'describes itself as an independent monitoring project'; the page names its instrument operator, Lee Sharks.",
  "THE PERSON AND THE IDENTIFIER ABSENT. No operator, no EA-EROSION-01, no #1045; no SPXI."
 ],
 "series": null,
 "other_slugs": null,
 "collisions": null,
 "oq": null,
 "rounds": null,
 "turns": null,
 "rerun": "https://chatgpt.com/?q=what+is+the+pid+erosion+observatory%3F",
 "rerun_alt": null,
 "heteronym": null,
 "model_attribution": null,
 "operator_disclosure": null,
 "longitudinal_priors": [
  "pid-erosion-observatory-what-is-aio-20261014"
 ],
 "longitudinal_successors": null,
 "related_deposits": [
  1045,
  1081
 ],
 "intended": null,
 "originator": {
  "name": "Lee Sharks",
  "relation": "archive",
  "entity_type": "site",
  "spxi_treatment": "full",
  "basis": "The PID Erosion Observatory (persistentidentifiers.org) is the archive's measurement instrument: founded 2026-07-06 as the Platform Erosion Observatory (EA-EROSION-01, #1045), renamed on 2026-07-12 with its domain; SPXI method 0.15. Recorded 2026-10-14."
 },
 "notes": {
  "date_basis": "The operator's message of 2026-10-14, 15:02 EDT.",
  "operator_words": "new entiry.. signed out incognito both:",
  "pair": "pid-erosion-observatory-what-is-aio-20261014"
 },
 "record_url": "https://www.alexanarch.org/captures/pid-erosion-observatory-what-is-chatgpt-20261014/"
}