{
  "schema": "sellat-proof/2",
  "proof_id": "4ebdacd0-2ea2-4d7c-9939-de00e4194375",
  "content": {
    "algorithm": "SHA-256",
    "hash": "fd8a91e359575df9cb7805f3202f327b2b0030cf314f9615992168c1806da882"
  },
  "leaf": {
    "formula": "SHA-256('sellat-leaf:v2:' + proof_id + ':' + content.hash)",
    "value": "c2c772ef66382170cfab35fe100f8ffe4c3a972a15f6b81290b821395f60c4fa"
  },
  "merkle": {
    "index": 1,
    "path": [
      {
        "position": "left",
        "hash": "aa03516837c547b6846e3c03eb9819d82f4634e37ab959e31b9d8df6368cc082"
      },
      {
        "position": "right",
        "hash": "f2969176be252d0dac4b96b819e4c7e5271c1120c1e908ae8f61fe8274b81264"
      }
    ],
    "root": "c3ef01585b02fc72648b11b15110fc15e61d1154d57c4cd79c80efd324f0b71c"
  },
  "anchors": [
    {
      "chain_id": 137,
      "network": "Polygon Mainnet",
      "tx_hash": "0x01122ca40fde2bda63b8108dd918d96c94ead21c337cfb2f4bd4c2bea4742caf",
      "block_number": 94657744,
      "block_hash": "0xcd237921833e8003b9ff2265909bca77bf936c042bff25f80da502dc43ddb0ea",
      "block_timestamp": "2026-09-29T14:22:36.000Z",
      "payload": "sellat:v2:c3ef01585b02fc72648b11b15110fc15e61d1154d57c4cd79c80efd324f0b71c"
    }
  ],
  "attestations": [
    {
      "type": "opentimestamps",
      "state": "upgraded",
      "bitcoin_block_height": 969166,
      "target_digest": "c3ef01585b02fc72648b11b15110fc15e61d1154d57c4cd79c80efd324f0b71c",
      "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": "2026-09-29T14:19:02.440Z",
    "note": "block_timestamp is the independently verifiable time; sellat_received_at is SELLAT’s own record time"
  }
}