{
  "protocolVersion": "1.0",
  "receiptId": "019f0000-0000-7000-8000-000000000002",
  "interval": {
    "start": "2026-07-22T10:00:02Z",
    "end": "2026-07-22T10:00:04Z",
    "coverageMs": 2000
  },
  "subject": {
    "id": "sha256:abcd1234efgh567890ijklmnopqrstuv",
    "type": "embodied"
  },
  "evidence": [
    {
      "engineId": "com.example.simulation",
      "engineVersion": "1.0.0",
      "confidence": 0.87,
      "payload": {
        "score": 0.87
      },
      "payloadDigest": "07d00088fd55209d54b6657faf8c1a45652c633a6637c0ec0f33048230c8776e"
    },
    {
      "engineId": "com.example.observer",
      "engineVersion": "2.0.0",
      "confidence": 0.72,
      "payload": {
        "score": 0.72
      },
      "payloadDigest": "f21169049b1c1b3e3245e39e68614273ae09807cd645a8d649c96068680464e9"
    }
  ],
  "assertions": {
    "observationOccurred": {
      "value": true,
      "confidence": 0.95
    },
    "continuityMaintained": {
      "value": true,
      "confidence": 0.8
    },
    "receiptIntegrity": {
      "value": true,
      "confidence": 1
    }
  },
  "issuer": {
    "id": "6fc751221153e2d8",
    "publicKey": "e2b399c54019a988e1c75d1f53a4823c132175c7a954d466c14bafe17dd87625"
  },
  "previousReceiptHash": "243736c5b47b913e170ae36ca56e90aac789f8e5c16e9a6bed2a35fb5558eeaf",
  "references": [],
  "expiresAt": "2026-12-31T23:59:59Z",
  "signature": {
    "algorithm": "Ed25519",
    "value": "121d9ccf102c9f11d74b31a1f874d770d86275443a503c6eb94adc7c8e8fdc47d07f35329346b37785199b0f77eeac5b215c397302b2e751bf1342c378ac4a03",
    "signedAt": "2026-07-22T10:00:04Z"
  }
}