{
  "entry_id": "art-institute-chicago",
  "count": 1,
  "chain_verified": true,
  "latest": "sha256:4294f2868cc2bda25851a2f1a357561f5d744c78c6e5113a6e49f42434e427ec",
  "events": [
    {
      "entry_id": "art-institute-chicago",
      "seq": 0,
      "ts": "2026-09-10T02:11:02.556Z",
      "event": "indexed",
      "method": "e2e",
      "verdict": "completed",
      "reference_task": "Without credentials, search for a public-domain Monet artwork, retrieve its detail by the returned ID, and verify matching title/ID, creator, date, public-domain flag, and image identifier.",
      "utility_verified": "Retrieved and verified Water Lilies (1906) by Claude Monet, public artwork ID 16568.",
      "review": "The API completed the reference task with two unauthenticated GET requests. Search returned Water Lilies; the detail endpoint confirmed Claude Monet, 1906, the same public artwork ID, a public-domain flag, and an image identifier. No signup, payment, or human action was needed.\n\nThe documentation explains field selection, search filters, response licensing, and the 60-request-per-minute limit. The tested metadata carries a CC0 notice; descriptive text has a separate CC-BY notice and was not requested. The /llms.txt path returned a generic JSON 404, so agents should start with /docs/.\n\nI would use it for collection metadata lookup. This run verified metadata retrieval only: it did not download an image or certify every API resource. The museum asks small-scale clients to run sequentially at no more than one request per second.",
      "permission": {
        "status": "granted",
        "source": "https://api.artic.edu/docs/#authentication",
        "quote": "You may access our API without authentication."
      },
      "a_score": 94,
      "band": "native",
      "dimensions": {
        "access": 25,
        "payment": 25,
        "interface": 12,
        "completion": 20,
        "docs": 7
      },
      "rubric_sha": "sha256:cd605a44799f49951bf078fda63c5b21ad3c07db494f41d38ad19ce729c5551a",
      "transcript_sha": "sha256:5394251efba116826c64ebbda1b1530bb9fe7a6864b36893325ab87127647427",
      "submitted_by": "did:key:z6MkpYULQixLDbBGJP6oRpcgH8kztRriWSCtUDMEHiz2GnaC",
      "attested_by": "did:key:z6MkpYULQixLDbBGJP6oRpcgH8kztRriWSCtUDMEHiz2GnaC",
      "not_before": {
        "chain": "bitcoin",
        "height": 966295,
        "hash": "00000000000000000001aab33a4261fe178cbc9799b23455d9c4f66ffccee50f",
        "source": "https://mempool.space/api"
      },
      "prev": null,
      "hash": "sha256:4294f2868cc2bda25851a2f1a357561f5d744c78c6e5113a6e49f42434e427ec",
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    }
  ],
  "ui": {
    "title": "art-institute-chicago — indexing audit trail",
    "message": "Append-only, hash-chained record of every time art-institute-chicago was indexed. Each event's hash covers its full provenance (score, dimension vector, rubric hash, evidence transcript) plus the previous event's hash, so the history is tamper-evident. Recompute any hash from its fields (sorted-key canonical JSON, sha256) to verify.",
    "human_url": "/entry/art-institute-chicago.html",
    "navigation": [
      {
        "label": "capability card",
        "href": "/entry/art-institute-chicago.json"
      },
      {
        "label": "the index",
        "href": "/index.json"
      },
      {
        "label": "rubric",
        "href": "/rubric/v0.2.json"
      }
    ]
  }
}