{
 "format": "human-record-specimen/0.1",
 "status": "SPECIMEN / ONE WORK / EXTERNALLY CHECKED ON ONE DAY / NOT A DETECTOR / NOT CANON",
 "artefact": {
  "creator": "Winslow Homer",
  "creator_dates": "1836-1910",
  "title": "Camp Fire",
  "date": "1880",
  "medium": "Oil on canvas",
  "owner": "The Metropolitan Museum of Art",
  "accession": "27.181",
  "credit_line": "Gift of Josephine Pomeroy Hendrick, in the name of Henry Keney Pomeroy, 1927",
  "rights": "Public Domain; The Met Open Access (CC0)",
  "rights_field_status": "legacy combined label; see rights_layers for separated scopes",
  "object_url": "https://www.metmuseum.org/art/collection/search/11112",
  "identity_assertions_observed_at": "2026-09-14T20:46:10Z",
  "identity_assertions_basis": "The identity fields in this specimen were reconciled against The Met public object API at this time; the timestamp does not make them permanently current."
 },
 "selection": {
  "date": "2026-09-14",
  "chosen_by": "Framework direction in COM #76; Claude Code executed the first specimen build.",
  "basis": "Camp Fire already had a maintained PSFH provenance record and retained museum image bytes, making it the lowest-burden real first specimen.",
  "boundary": "Selection records convenience and available evidence, not significance, representativeness, aesthetic ranking or canon."
 },
 "purpose_boundary": {
  "tested_here": "Provenance-record plumbing: owner-source reconciliation, digital byte identity, explicit unknowns, repeatability, machine/human readability and correction.",
  "not_tested_here": "Whether the Human Record can materially help with contemporaneous human-creation provenance when synthetic and human outputs are genuinely ambiguous. An 1880 work predates that ambiguity and cannot falsify that motivating claim.",
  "expansion_authority": "This boundary does not authorize specimen 2. A modern or living-creator case would be a separate decision if later earned."
 },
 "rights_layers": {
  "rights_of_work": {
   "label": "Public Domain",
   "evidence": "The Met object API reported isPublicDomain=true at the owner-source fetch recorded below.",
   "boundary": "This records the institution's public-domain designation; it is not an independent legal adjudication of every right or jurisdiction."
  },
  "rights_of_reproduction": {
   "label": "The Met Open Access (CC0)",
   "evidence": "The maintained PSFH source record attributes the museum-published image to The Met Open Access policy and links the museum image-resources policy. The specimen witness verified the museum image bytes against the PSFH copy, but did not independently re-adjudicate reproduction rights.",
   "applies_to": "The museum-published image and the byte-identical PSFH copy as recorded here, not museum text, metadata, trademarks, privacy/publicity interests or unrelated material.",
   "boundary": "Rights in the historical work and permission/status for a particular digital reproduction are different layers."
  }
 },
 "owner_sources": [
  {
   "kind": "museum_api",
   "url": "https://collectionapi.metmuseum.org/public/collection/v1/objects/11112",
   "fetched_at": "2026-09-14T20:46:10Z",
   "response_sha256": "ac9523985b49a6e8a6e9b0dc18987eee84162802d0cce6b09581d102d0df891a",
   "metadata_date_reported": "2026-01-14T04:51:02.887Z"
  },
  {
   "kind": "museum_primary_image",
   "url": "https://images.metmuseum.org/CRDImages/ad/original/DT2829.jpg",
   "fetched_at": "2026-09-14T20:46:10Z",
   "bytes": 2350423,
   "sha256": "7b02049468877e8e69b2faf183e7842ecb6577b08edc2a3f4a594d1bbeb577e1"
  }
 ],
 "our_copy": {
  "url": "https://pleasestartfromhere.com/art/camp-fire.jpg",
  "record": "https://pleasestartfromhere.com/art/camp-fire.json",
  "bytes": 2350423,
  "sha256": "7b02049468877e8e69b2faf183e7842ecb6577b08edc2a3f4a594d1bbeb577e1"
 },
 "reconciliation": {
  "fields_compared": [
   {
    "field": "title",
    "owner": "Camp Fire",
    "ours": "Camp Fire",
    "match": true
   },
   {
    "field": "artist",
    "owner": "Winslow Homer",
    "ours": "Winslow Homer",
    "match": true
   },
   {
    "field": "date",
    "owner": "1880",
    "ours": "1880",
    "match": true
   },
   {
    "field": "accession",
    "owner": "27.181",
    "ours": "27.181",
    "match": true
   },
   {
    "field": "medium",
    "owner": "Oil on canvas",
    "ours": "Oil on canvas",
    "match": true
   },
   {
    "field": "credit",
    "owner": "Gift of Josephine Pomeroy Hendrick, in the name of Henry Keney Pomeroy, 1927",
    "ours": "Gift of Josephine Pomeroy Hendrick, in the name of Henry Keney Pomeroy, 1927",
    "match": true
   },
   {
    "field": "public domain",
    "owner": "True",
    "ours": "True",
    "match": true
   },
   {
    "field": "artist dates",
    "owner": "1836-1910",
    "ours": "1836–1910",
    "match": false
   }
  ],
  "image_bytes_identical": true,
  "differences": [
   "artist_dates: en dash in ours vs two integers in the owner API (typographic)"
  ]
 },
 "epistemic_boundaries": {
  "human_lineage_basis": {
   "kind": "owner_attribution_plus_present_day_reconciliation",
   "claim": "The Met attributes this physical artwork to Winslow Homer and dates it 1880; this specimen records that attribution and a present-day reconciliation.",
   "not_established": "Independent observation or proof of the 1880 creation event."
  },
  "source_independence": {
   "endpoint_count": 2,
   "independence_group_count": 1,
   "independence_group": "The Metropolitan Museum of Art",
   "cross_endpoint_independent": false,
   "reason": "The API record and primary-image endpoint are two endpoints controlled by the same institution; they are not independent witnesses."
  },
  "source_preservation": {
   "museum_api_response": "SHA-256 recorded; response bytes are not preserved by this specimen.",
   "museum_primary_image": "A byte-identical copy was observed at the PSFH URL at fetch time; the source URL itself is not preserved or made immutable by this record.",
   "warning": "A recorded source link or hash does not by itself preserve the source or prove its truth."
  },
  "record_event_separation": "This record documents observations made on 2026-09-14. It is not the 1880 creation event and does not change that event."
 },
 "not_established": [
  "that the owner's record is correct",
  "custody before 1927",
  "that the bytes are the painting rather than the owner's published photograph",
  "anything about other artefacts",
  "that this nineteenth-century specimen demonstrates usefulness against synthetic-era provenance ambiguity"
 ],
 "witness": {
  "by": "Claude Code / cc-relay",
  "method": "fetch owner record and primary image; hash; compare to our record and served copy; write agreement and differences",
  "repeat": [
   "curl --fail --silent --show-error --location https://collectionapi.metmuseum.org/public/collection/v1/objects/11112",
   "bash -o pipefail -c 'curl --fail --silent --show-error --location https://images.metmuseum.org/CRDImages/ad/original/DT2829.jpg | sha256sum'",
   "bash -o pipefail -c 'curl --fail --silent --show-error --location https://pleasestartfromhere.com/art/camp-fire.jpg | sha256sum'"
  ]
 },
 "corrections": [
  {
   "date": "2026-09-14",
   "by": "Codex",
   "kind": "recheck_procedure_and_attribution_repair",
   "change": "Added HTTP/pipeline failure handling and narrowed hash mismatch from an asserted cause to an observed byte difference with cause unresolved.",
   "original_observation_changed": false,
   "fresh_external_witness": false
  },
  {
   "date": "2026-09-14",
   "by": "Build Framework",
   "kind": "machine_readable_epistemic_and_scope_repair",
   "change_reference": "COM PR #328",
   "change": "Made source independence, source-preservation, record/event, selection, rights-layer, purpose-test and correction-route boundaries explicit without changing the original observation values or hashes.",
   "original_observation_changed": false,
   "fresh_external_witness": false
  }
 ],
 "correction_route": {
  "repository": "https://github.com/markgoodbody-bit/COM",
  "path": "human-record/specimens/2026-09-14-homer-camp-fire.json",
  "human_readable_companion": "human-record/specimens/2026-09-14-homer-camp-fire.md",
  "practice": "Propose a dated correction or a fresh recheck; preserve the original observation and hashes unless evidence shows they were recorded incorrectly.",
  "access_limit": "The current proposal route is GitHub-based and may require a GitHub account. This specimen does not establish an account-free public correction channel."
 },
 "ceilings": [
  "EVIDENCE != INFERENCE",
  "UNKNOWN != ABSENT",
  "PROVENANCE != AUTHORSHIP_DETECTOR",
  "RECORD != EVENT",
  "AI_CURATION != UNBIASED_HISTORY",
  "SOURCE_LINK != SOURCE_PRESERVED",
  "HASH != TRUTH",
  "INSTITUTIONAL_RECORD != INFALLIBILITY",
  "MULTIPLE_SOURCES != INDEPENDENT_SOURCES",
  "CORRECTED_RECORD != ORIGINAL_EVENT_CHANGED",
  "SELECTION != SIGNIFICANCE",
  "WORK_RIGHTS != REPRODUCTION_RIGHTS",
  "PLUMBING_SPECIMEN != SYNTHETIC_ERA_PURPOSE_TEST",
  "OBSERVED_AT != PERMANENTLY_CURRENT",
  "A_MUSEUM_RECORD_MATCHED != A_MUSEUM_RECORD_PROVED",
  "BYTES_IDENTICAL_TODAY != BYTES_IDENTICAL_FOREVER"
 ]
}