{
  "schema": "sellat-proof/2",
  "proof_id": "9229d91c-dba3-49bf-9a30-7ea35da66a90",
  "content": {
    "algorithm": "SHA-256",
    "hash": "8cfa224feed0bef2d3ce4e6e9fd10fdba42b00bb614bb2fe9d766976464af47f"
  },
  "leaf": {
    "formula": "SHA-256('sellat-leaf:v2:' + proof_id + ':' + content.hash)",
    "value": "ea57ba8341a1957f27dacf5b8d5953ef2a47b0000299671d5bfc69e60caf787c"
  },
  "merkle": {
    "index": 0,
    "path": [],
    "root": "ea57ba8341a1957f27dacf5b8d5953ef2a47b0000299671d5bfc69e60caf787c"
  },
  "anchors": [
    {
      "chain_id": 137,
      "network": "Polygon Mainnet",
      "tx_hash": "0x7f5d9ea1a6db8d0040cfdcad4f2504f902c3301ea71b2989de567c2db265b9ff",
      "block_number": 95170621,
      "block_hash": "0x0a909e0d2b973e5794a1bac40263e770d90a661349d739e67415cad0b94c2518",
      "block_timestamp": "2026-10-08T12:05:38.000Z",
      "payload": "sellat:v2:ea57ba8341a1957f27dacf5b8d5953ef2a47b0000299671d5bfc69e60caf787c"
    }
  ],
  "attestations": [
    {
      "type": "opentimestamps",
      "state": "upgraded",
      "bitcoin_block_height": 970491,
      "target_digest": "ea57ba8341a1957f27dacf5b8d5953ef2a47b0000299671d5bfc69e60caf787c",
      "ots_base64": "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",
      "note": "Standard OpenTimestamps file attesting the 32-byte digest equal to merkle.root; verify with OpenTimestamps tooling."
    }
  ],
  "times": {
    "sellat_received_at": "2026-10-08T11:59:25.654Z",
    "note": "block_timestamp is the independently verifiable time; sellat_received_at is SELLAT’s own record time"
  }
}