{
  "content": {
    "spec_version": "palimpsest-evidence-capsule/v1",
    "canonicalization": "palimpsest-json-sorted-utf8-v1",
    "created_at": "2026-08-04T09:26:52.865414+00:00",
    "producer": {
      "name": "Palimpsest",
      "software": "evidence.palimpsest/v1"
    },
    "subject": {
      "type": "reading",
      "id": "censored-planet:8f3059118bcd84f95011e2675af70f6b915e79670694c5c59b660822e72a918e",
      "title": "Canonical Palimpsest reading with entry-membership evidence: censored-planet"
    },
    "artifacts": [
      {
        "id": "reading",
        "sha256": "4715f7c7c687a3a53bf5dd9b890dfacbe4c03d5bae60cc1c3d156015f5fdf890",
        "size": 3375,
        "media_type": "application/json",
        "source": {
          "uri": "https://palimpsest.info/readings/censored-planet-latest.json",
          "captured_at": "2026-08-04T08:04:21.227514+00:00",
          "collector": "censored-planet"
        },
        "untrusted": true,
        "location": {
          "type": "inline",
          "encoding": "base64",
          "data": "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"
        }
      },
      {
        "id": "anchor-input",
        "sha256": "d15b9c609faa08f11d3322b7f31c0b172fc575b715ac9fdd4fa4097d262fedeb",
        "size": 579,
        "media_type": "text/plain",
        "source": {
          "uri": "https://palimpsest.info/readings/anchors/roots-20260804T092652Z.txt",
          "captured_at": "2026-08-04T09:26:52.865414+00:00",
          "collector": "Palimpsest anchor_roots"
        },
        "untrusted": false,
        "location": {
          "type": "inline",
          "encoding": "base64",
          "data": "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"
        }
      },
      {
        "id": "anchor-proof",
        "sha256": "e7d8b9ad8bca3277883ad5cfb182bc04da66e3c3c7fe4d33e0405eb51425b1e0",
        "size": 543,
        "media_type": "application/vnd.opentimestamps.ots",
        "source": {
          "uri": "https://palimpsest.info/readings/anchors/roots-20260804T092652Z.txt.ots",
          "captured_at": "2026-08-04T09:26:52.865414+00:00",
          "collector": "OpenTimestamps detached envelope"
        },
        "untrusted": true,
        "location": {
          "type": "inline",
          "encoding": "base64",
          "data": "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"
        }
      }
    ],
    "claims": [
      {
        "id": "entry-membership",
        "type": "integrity",
        "statement": "The complete canonical JSON value of the censored-planet reading matches erasure entry 120 and its Merkle membership proof for the declared 121-entry prefix. The prefix fields are digest-bound to the attached structurally complete OpenTimestamps envelope.",
        "artifact_refs": [
          "reading",
          "anchor-input",
          "anchor-proof"
        ],
        "derivation_refs": [],
        "binding_refs": [
          "reading-membership"
        ],
        "evidence_level": "direct",
        "limitations": [
          "The offline v1 verifier validates the detached envelope structure and input digest only; it does not prove calendar acceptance, attestation authenticity, Bitcoin consensus, or a time.",
          "The capsule proves Merkle entry membership, not the complete ledger hash chain; the adapter checked the frozen chain before emission.",
          "Entry membership proves what Palimpsest recorded, not that the upstream source reported ground truth."
        ]
      },
      {
        "id": "capture-time",
        "type": "provenance",
        "statement": "The reading reports its capture time as 2026-08-04T08:04:21.227514+00:00.",
        "artifact_refs": [
          "reading"
        ],
        "derivation_refs": [
          "extract-capture-time"
        ],
        "binding_refs": [],
        "evidence_level": "derived",
        "limitations": [
          "This verifies the value present in the artifact, not the upstream clock."
        ]
      }
    ],
    "derivations": [
      {
        "id": "extract-capture-time",
        "type": "extraction",
        "description": "Read /generated_at from the complete JSON reading.",
        "input_artifact_refs": [
          "reading"
        ],
        "supports_claim_refs": [
          "capture-time"
        ],
        "proof": {
          "type": "json-pointer-equals-v1",
          "artifact_ref": "reading",
          "pointer": "/generated_at",
          "expected": "2026-08-04T08:04:21.227514+00:00"
        }
      }
    ],
    "intents": [
      {
        "type": "human-review",
        "summary": "Review the reading and its stated limitations as inert evidence.",
        "advisory": true
      }
    ],
    "bindings": [
      {
        "id": "reading-membership",
        "type": "palimpsest-ledger-anchor-v1",
        "artifact_ref": "reading",
        "payload_canonicalization": "palimpsest-ledger-python-json-v1",
        "entry": {
          "seq": 120,
          "ts": "2026-08-04T09:09:23.647216+00:00",
          "source": "censored-planet",
          "payload_sha256": "8f3059118bcd84f95011e2675af70f6b915e79670694c5c59b660822e72a918e",
          "prev_hash": "e78fc232ed24ed95661f186708a67921325f602508de3eb6299c141049f26461",
          "entry_hash": "b9f46c06836593232f74c835d7c31dd7ba8548f38ebe7b3a44fc24a8752fca0a"
        },
        "inclusion_proof": {
          "type": "palimpsest-merkle-duplicate-last-v1",
          "seq": 120,
          "entry_hash": "b9f46c06836593232f74c835d7c31dd7ba8548f38ebe7b3a44fc24a8752fca0a",
          "n_entries": 121,
          "path": [
            {
              "side": "right",
              "hash": "b9f46c06836593232f74c835d7c31dd7ba8548f38ebe7b3a44fc24a8752fca0a"
            },
            {
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              "hash": "a2fb045e6900da272504dd6d3568e993970534a311d581652633ee1d009e39de"
            },
            {
              "side": "right",
              "hash": "d5f54453699761aea8113e92873647118f1aa7590aa10dae3c836fb8635346c4"
            },
            {
              "side": "left",
              "hash": "aa2f55ce4c05e55f6419ee90494f6b094b75fa1e04dccf78044e8c9bed709e98"
            },
            {
              "side": "left",
              "hash": "fd0598862095278e1fb3a126f1bf35b7427de2095665d0c7ec48c478122051a8"
            },
            {
              "side": "left",
              "hash": "6a286b86d11d2241528450758ca4883c65df59d243029cbff227bfa53362dfa9"
            },
            {
              "side": "left",
              "hash": "29d037c29b62f32c129882ee7c563abf9bdd7cf65c2d2f266d894557896ad86e"
            }
          ],
          "merkle_root": "e6deb2467dd47e1916e9dbaf307f21248329c74e71e9d3cacec25a739edc9d32"
        },
        "anchor": {
          "type": "palimpsest-prefix-anchor-v1",
          "ledger": "erasure",
          "prefix_entries": 121,
          "head_hash": "b9f46c06836593232f74c835d7c31dd7ba8548f38ebe7b3a44fc24a8752fca0a",
          "merkle_root": "e6deb2467dd47e1916e9dbaf307f21248329c74e71e9d3cacec25a739edc9d32",
          "anchored_at": "2026-08-04T09:26:52.865414+00:00",
          "input_artifact_ref": "anchor-input",
          "proof_artifact_ref": "anchor-proof",
          "proof_type": "opentimestamps-detached-envelope-v1"
        }
      }
    ]
  },
  "content_sha256": "c887abd3016e432359ab1d4b7d54896211ed5483ad2bc91434eb3cd74bbbe721",
  "attestations": []
}