{
 "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-aio-20261014",
 "date": "2026-10-14",
 "surface": "Google AI Overview",
 "surface_basis": "Surface not stated; the standing default applies (operator, 2026-10-01: 'assume they do [start in overview], i will specify if they begin in ai mode'). The 'AI Mode Conversation' header is the expanded Overview's residue (rule of 2026-09-21).",
 "surfaces": [
  "Google AI Overview"
 ],
 "auth": "incognito, signed out",
 "auth_basis": "'signed out incognito both' — operator, 2026-10-14 15:02 EDT.",
 "ev": "paste",
 "mt": "THE OBSERVATORY AT ITS GRAIN, A MARINE CARD IN ITS METHOD, ONE INSTRUMENT SPLIT IN TWO",
 "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; the same string asked of ChatGPT the same day.",
 "cites": 6,
 "cite_list": [
  {
   "n": 1,
   "site": "www.persistentidentifiers.org",
   "rel": "authored_surface",
   "title": "Persistent Identifiers — The PID Erosion Observatory",
   "snip": null,
   "url": null,
   "note": "the observatory's own page"
  },
  {
   "n": 2,
   "site": "Institut de Ciències del Mar. ICM-CSIC",
   "rel": "third_party",
   "title": "Ocean and Littoral Sedimentary Processes",
   "snip": null,
   "url": null,
   "note": "marine sedimentology; no PIDs"
  },
  {
   "n": 3,
   "site": "GitHub",
   "rel": "third_party",
   "title": "Account blocked and records removed — request manual review #2596 - GitHub",
   "snip": null,
   "url": null,
   "note": "zenodo/zenodo issue #2596, the independent case collection; the snippet is a comment pointing to persistentidentifiers.org"
  },
  {
   "n": 4,
   "site": "www.axnidentifiers.com",
   "rel": "authored_surface",
   "title": "Why AXN exists — identifier erosion, measured at registry scale",
   "snip": null,
   "url": null,
   "note": "axnidentifiers.com, 'Why AXN exists'"
  },
  {
   "n": 5,
   "site": "www.alexanarch.org",
   "rel": "archive_controlled",
   "title": "platform erosion observatory — Google AI Overview, 2026-08-11 ...",
   "snip": null,
   "url": null,
   "note": "the Capture Registry's own record of 2026-08-11 at 'platform erosion observatory'"
  },
  {
   "n": 6,
   "site": "github.com",
   "rel": "authored_surface",
   "title": "Activity · leesharks000/platform-erosion-observatory · GitHub",
   "snip": null,
   "url": null,
   "note": "the observatory's repository, leesharks000/platform-erosion-observatory"
  }
 ],
 "archive_controlled_cites": 1,
 "transcript": "[Google AI Overview (expanded), 2026-10-14, incognito, signed out. The paste carries the header 'AI Mode Conversation' and echoes the query twice; citation clusters are reduced to their numbers, links to their text; the raw paste keeps the /goto URLs.]\n\nYou said: what is the pid erosion observatory?\nThe PID Erosion Observatory (hosted at persistentidentifiers.org) is an empirical measurement project that tracks identifier erosion—the systemic or bulk removal, erasure, and sweeping of Persistent Identifiers (PIDs) from digital registries and data repositories. [1, 2]\nCore Purpose & Methodology\n\n* Measuring \"Digital Erasure\": While PIDs (like DOIs or archival records) are intended to be permanent, the observatory treats platform modification as an active sedimentary system. It audits how often, how heavily, and under what contexts records are deleted or altered en masse. [1, 2, 3]\n* Independent Replication: The initiative uses public, dated captures to ensure transparency. Every tracked metric resolves to a timestamped log containing exact request hashes and `curl` data so researchers can independently verify the registry-scale activity. [1, 2]\n* Tracking Trends: For example, documentation published on the Zenodo GitHub Repository highlights how the observatory catches bulk, \"evidence-free\" account sweeps or topically coherent waves of record removals (such as sweeping unstandardized AI-native theories or niche physics records). [1]\n\nContext\nIt is closely tied to initiatives like AXN Identifiers (under dataset logs like `EA-EROSION-01`) and is sometimes referred to or built upon the codebase of the Platform Erosion Observatory. [1, 2, 3]\nIf you are investigating a specific deletion event or looking into a particular open-science repository, let me know! I can help you find specific datasets it tracks or look into how it monitors specific platforms like Zenodo.\n\nwww.persistentidentifiers.org\nPersistent Identifiers — The PID Erosion Observatory\nWhat is a persistent identifier? A string whose relation to its object is maintained indefinitely by a responsible organization — resolution, metadata, and ...\nInstitut de Ciències del Mar. ICM-CSIC\nOcean and Littoral Sedimentary Processes\nDynamics of active sedimentary systems and their anthropogenic impacts We analyze their effects on the ecosystem, their implications for the management of the m...\nGitHub\nAccount blocked and records removed — request manual review #2596 - GitHub\nFeb 18, 2026 — The pattern being collated here now has a measurement surface: persistentidentifiers.org — the PID Erosion Observatory. Every headline number resolves to a date...\nwww.axnidentifiers.com\nWhy AXN exists — identifier erosion, measured at registry scale\nthe observatory the erasure audit the capture registry. ∮ = 1. Measurements from the PID Erosion Observatory (EA-EROSION-01, deposit #1045) and EA-EROSION ...\nwww.alexanarch.org\nplatform erosion observatory — Google AI Overview, 2026-08-11 ...\nAug 11, 2026 — 🏷️ AXN:0421.EMPIRICAL · EA-EROSION-01 · THE PID EROSION OBSERVATORY · OBJECT: CANONICAL v1.0+ · founded… ... …PLATFORM EROSION OBSERVATORY MEASURES ...\ngithub.com\nActivity · leesharks000/platform-erosion-observatory · GitHub\nJul 15, 2026 — Contribute to leesharks000/platform-erosion-observatory development by creating an account on GitHub ... Sovereign domain makeover: rename to PID Erosion ...\nAI responses may include mistakes. Learn more",
 "transcript_raw": "AI Mode Conversation\nYou said: what is the pid erosion observatory?what is the pid erosion observatory?\nThe PID Erosion Observatory (hosted at persistentidentifiers.org) is an empirical measurement project that tracks identifier erosion—the systemic or bulk removal, erasure, and sweeping of Persistent Identifiers (PIDs) from digital registries and data repositories. [[1](https://www.google.com/goto?url=CAESZAHrOzAVk56wcEzEhPzcCmmARZl5Wj_4SG5rj-Gy_kwsuIka7KSyAqJ5jcM-bHU5104Ckh4-j6z3_G2G5VkUF6xVbA6x-F0RFkPXpAWwfqDubhRVR-174B-R3eu4ZID6B64i2TI), [2](https://www.google.com/goto?url=CAESggEB6zswFXazn86dUCTlJ2Vo-CzS6yEydccpcgMmrWiUm21KbgFkRkVj7fzHKFbEknHmsfn48GZ2j5UP08KQYvhIln8y9qhKnxHVXFoWDDBoO3yjymA5NsADLVrMVrz1l2UuaHzWuqwleRKEUEp5yVxB6akkCU3GayS1La7A8PrQ5Het)]\nCore Purpose & Methodology\n\n* Measuring \"Digital Erasure\": While PIDs (like DOIs or archival records) are intended to be permanent, the observatory treats platform modification as an active sedimentary system. It audits how often, how heavily, and under what contexts records are deleted or altered en masse. [[1](https://www.google.com/goto?url=CAESigEB6zswFUJoSj6gJUwO2_kjhoF0OE5e8vdbS_mz1Dr-FpUO-XGbHBgx0tpW1_OzhqUlUVdiqhvXOWMV2yR7WX86fhoqf-hUvkASQimqan0zyOFNESg57nVoq5bRXX6PeMTTeNbwuC62AQfgI1kFDQYGcOx3ygRjF0rx3I4cgQqDnBPY8l60a6k4XaA), [2](https://www.google.com/goto?url=CAESWwHrOzAV4M1dfJ4XvEWogiyRWXGhQhhQiG91g9VGcxJyEK6G7a8HPV3w9pjyWNSjnwadr2VGkUnkiyLFgqlF0sn55hXmY0oybYERebuOxX-eKZ5v6UjuUID0Ec4), [3](https://www.google.com/goto?url=CAESZAHrOzAVk56wcEzEhPzcCmmARZl5Wj_4SG5rj-Gy_kwsuIka7KSyAqJ5jcM-bHU5104Ckh4-j6z3_G2G5VkUF6xVbA6x-F0RFkPXpAWwfqDubhRVR-174B-R3eu4ZID6B64i2TI)]\n* Independent Replication: The initiative uses public, dated captures to ensure transparency. Every tracked metric resolves to a timestamped log containing exact request hashes and `curl` data so researchers can independently verify the registry-scale activity. [[1](https://www.google.com/goto?url=CAESZAHrOzAVk56wcEzEhPzcCmmARZl5Wj_4SG5rj-Gy_kwsuIka7KSyAqJ5jcM-bHU5104Ckh4-j6z3_G2G5VkUF6xVbA6x-F0RFkPXpAWwfqDubhRVR-174B-R3eu4ZID6B64i2TI), [2](https://www.google.com/goto?url=CAESWwHrOzAV4M1dfJ4XvEWogiyRWXGhQhhQiG91g9VGcxJyEK6G7a8HPV3w9pjyWNSjnwadr2VGkUnkiyLFgqlF0sn55hXmY0oybYERebuOxX-eKZ5v6UjuUID0Ec4)]\n* Tracking Trends: For example, documentation published on the [Zenodo GitHub Repository](https://www.google.com/goto?url=CAESZAHrOzAVk56wcEzEhPzcCmmARZl5Wj_4SG5rj-Gy_kwsuIka7KSyAqJ5jcM-bHU5104Ckh4-j6z3_G2G5VkUF6xVbA6x-F0RFkPXpAWwfqDubhRVR-174B-R3eu4ZID6B64i2TI) highlights how the observatory catches bulk, \"evidence-free\" account sweeps or topically coherent waves of record removals (such as sweeping unstandardized AI-native theories or niche physics records). [[1](https://www.google.com/goto?url=CAESZAHrOzAVk56wcEzEhPzcCmmARZl5Wj_4SG5rj-Gy_kwsuIka7KSyAqJ5jcM-bHU5104Ckh4-j6z3_G2G5VkUF6xVbA6x-F0RFkPXpAWwfqDubhRVR-174B-R3eu4ZID6B64i2TI)]\n\nContext\nIt is closely tied to initiatives like AXN Identifiers (under dataset logs like `EA-EROSION-01`) and is sometimes referred to or built upon the codebase of the Platform Erosion Observatory. [[1](https://www.google.com/goto?url=CAESfQHrOzAVYiHS3WC3aWRA8KLg5FtSA_QLo3V5tvn0opFAfJEiQWzmBe9K03ml7iUOWmBvJ0_smghSaAWZyig4Sxh7vY2nK8tNvAoFE4ArLSo18yUDmUrIqWXw_P8ObagugmGlN0gHPYzYQFiPprVljeE6p867gHURq4LLG25I), [2](https://www.google.com/goto?url=CAESWwHrOzAV4M1dfJ4XvEWogiyRWXGhQhhQiG91g9VGcxJyEK6G7a8HPV3w9pjyWNSjnwadr2VGkUnkiyLFgqlF0sn55hXmY0oybYERebuOxX-eKZ5v6UjuUID0Ec4), [3](https://www.google.com/goto?url=CAESggEB6zswFXazn86dUCTlJ2Vo-CzS6yEydccpcgMmrWiUm21KbgFkRkVj7fzHKFbEknHmsfn48GZ2j5UP08KQYvhIln8y9qhKnxHVXFoWDDBoO3yjymA5NsADLVrMVrz1l2UuaHzWuqwleRKEUEp5yVxB6akkCU3GayS1La7A8PrQ5Het)]\nIf you are investigating a specific deletion event or looking into a particular open-science repository, let me know! I can help you find specific datasets it tracks or look into how it monitors specific platforms like Zenodo.\n[www.persistentidentifiers.org](https://www.persistentidentifiers.org)\nPersistent Identifiers — The PID Erosion Observatory\nWhat is a persistent identifier? A string whose relation to its object is maintained indefinitely by a responsible organization — resolution, metadata, and ...\nInstitut de Ciències del Mar. ICM-CSIC\nOcean and Littoral Sedimentary Processes\nDynamics of active sedimentary systems and their anthropogenic impacts We analyze their effects on the ecosystem, their implications for the management of the m...\nGitHub\nAccount blocked and records removed — request manual review #2596 - GitHub\nFeb 18, 2026 — The pattern being collated here now has a measurement surface: persistentidentifiers.org — the PID Erosion Observatory. Every headline number resolves to a date...\n[www.axnidentifiers.com](https://www.axnidentifiers.com)\nWhy AXN exists — identifier erosion, measured at registry scale\nthe observatory the erasure audit the capture registry. ∮ = 1. Measurements from the PID Erosion Observatory (EA-EROSION-01, deposit #1045) and EA-EROSION ...\n[www.alexanarch.org](https://www.alexanarch.org)\nplatform erosion observatory — Google AI Overview, 2026-08-11 ...\nAug 11, 2026 — 🏷️ AXN:0421.EMPIRICAL · EA-EROSION-01 · THE PID EROSION OBSERVATORY · OBJECT: CANONICAL v1.0+ · founded… ... …PLATFORM EROSION OBSERVATORY MEASURES ...\ngithub.com\nActivity · leesharks000/platform-erosion-observatory · GitHub\nJul 15, 2026 — Contribute to leesharks000/platform-erosion-observatory development by creating an account on GitHub ... Sovereign domain makeover: rename to PID Erosion ...\nAI responses may include mistakes. [Learn more](https://support.google.com/websearch?p=ai_overviews)\n",
 "transcript_class": "CAPTURE-TIME VERBATIM RECORD (SOURCE CARDS INCLUDED)",
 "transcript_complete": "Complete as pasted: one operator turn and one answer with its card rail of 6 cards.",
 "transcript_read": "READ IN FULL 2026-10-14",
 "per": 0.5,
 "per_v": {
  "author": false,
  "inst": false,
  "id": true,
  "src": true
 },
 "per_note": "Retained: the domain, the founding identifier EA-EROSION-01, the repository and the registry as cards. Lost: the author and the institution.",
 "sf": "Source cards: www.persistentidentifiers.org; Institut de Ciències del Mar. ICM-CSIC; GitHub; www.axnidentifiers.com; www.alexanarch.org; github.com.",
 "sf_derived": null,
 "reading": "Checked 2026-10-14 against persistentidentifiers.org (live) and the archive: the page says 'Every number on this page resolves to a dated capture; the curls are published', and names an 'AI-native' collateral category and a heterodox-physics sweep; it carries no 'sedimentary'. Its provenance line: 'founded 2026-07-06 as the Platform Erosion Observatory (EA-EROSION-01, deposit #1045) · renamed the PID Erosion Observatory on 2026-07-12'. Issue #2596 on zenodo/zenodo is the independent case collection named in the archive's CERN correspondence. EA-EROSION-01 is #1045, the observatory's founding deposit, not an AXN Identifiers log.",
 "analysis": "The Overview holds the observatory's method at the grain of its page and loses its person; two third-party cards enter the account as the observatory's own (a marine sedimentology programme as method, an issue thread as the host's documentation), and the founding name is given as a second instrument. Paired with ChatGPT 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 AT ITS GRAIN, A MARINE CARD IN ITS METHOD, ONE INSTRUMENT SPLIT IN TWO: asked 'what is the pid erosion observatory?', the Overview names it at persistentidentifiers.org, an 'empirical measurement project that tracks identifier erosion', and gives its method from the page: dated captures, published curls, topically coherent removal waves ('AI-native theories or niche physics records'). Two things enter from outside the observatory. A marine-sedimentology card (ICM-CSIC, 'Dynamics of active sedimentary systems') enters the method: 'the observatory treats platform modification as an active sedimentary system'. The zenodo/zenodo issue thread #2596 becomes 'documentation published on the Zenodo GitHub Repository'. Its last line makes the Platform Erosion Observatory a second thing the PID Erosion Observatory is 'built upon'; they are one instrument, renamed on 2026-07-12. No author is named; one card is the Capture Registry's own record of 2026-08-11.",
 "d_full": "THE OBSERVATORY AT ITS GRAIN, A MARINE CARD IN ITS METHOD, ONE INSTRUMENT SPLIT IN TWO: asked 'what is the pid erosion observatory?', the Overview names it at persistentidentifiers.org, an 'empirical measurement project that tracks identifier erosion', and gives its method from the page: dated captures, published curls, topically coherent removal waves ('AI-native theories or niche physics records'). Two things enter from outside the observatory. A marine-sedimentology card (ICM-CSIC, 'Dynamics of active sedimentary systems') enters the method: 'the observatory treats platform modification as an active sedimentary system'. The zenodo/zenodo issue thread #2596 becomes 'documentation published on the Zenodo GitHub Repository'. Its last line makes the Platform Erosion Observatory a second thing the PID Erosion Observatory is 'built upon'; they are one instrument, renamed on 2026-07-12. No author is named; one card is the Capture Registry's own record of 2026-08-11.",
 "d_truncated": false,
 "links": [
  {
   "url": "https://www.alexanarch.org/captures/pid-erosion-observatory-what-is-aio-20261014/",
   "authority": "canonical",
   "note": "the capture's own record page; cite this form"
  },
  {
   "url": "https://www.alexanarch.org/captures/#pid-erosion-observatory-what-is-aio-20261014",
   "authority": "gallery",
   "note": "the canonical gallery, anchored by slug"
  },
  {
   "url": "https://www.godkinggoogle.com/captures/#pid-erosion-observatory-what-is-aio-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-aio-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-aio-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-aio-20261014/",
 "citable_unit": "address — the exact issued string on one surface, per the Surface Rule (MANUS, 2026-08-15)",
 "addr_id": "ADDR-284749eb96d5",
 "obs_id": "OBS-e6d742d466ea",
 "n_observations": 1,
 "observations": [],
 "dates": [
  "2026-10-14"
 ],
 "defects": [],
 "findings": [
  "THE INSTRUMENT AT ITS GRAIN. Dated captures, the curls published, removal waves by topic: the page's own method.",
  "A MARINE CARD IN THE METHOD. 'an active sedimentary system', from the ICM-CSIC card on ocean and littoral sediments; erosion read across fields.",
  "A THREAD AS DOCUMENTATION. Issue #2596 on zenodo/zenodo, an independent case collection, is given as 'documentation published on the Zenodo GitHub Repository'.",
  "ONE INSTRUMENT AS TWO. 'built upon the codebase of the Platform Erosion Observatory': the founding name (#1045, 2026-07-06) given as a predecessor; renamed 2026-07-12.",
  "AN EMBELLISHED FIGURE. 'exact request hashes and curl data'; the page: 'Every number on this page resolves to a dated capture; the curls are published.'",
  "THE AUTHOR ABSENT; THE REGISTRY CITED. No name in the answer; card 5 is the Capture Registry's record at 'platform erosion observatory', 2026-08-11."
 ],
 "series": null,
 "other_slugs": null,
 "collisions": null,
 "oq": null,
 "rounds": null,
 "turns": null,
 "rerun": "https://www.google.com/search?q=what+is+the+pid+erosion+observatory%3F",
 "rerun_alt": null,
 "heteronym": null,
 "model_attribution": null,
 "operator_disclosure": null,
 "longitudinal_priors": [
  "platform-erosion-observatory-20260811"
 ],
 "longitudinal_successors": null,
 "related_deposits": [
  1045,
  1081,
  1408
 ],
 "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-chatgpt-20261014"
 },
 "record_url": "https://www.alexanarch.org/captures/pid-erosion-observatory-what-is-aio-20261014/"
}