{
  "height": 46,
  "block_hash": "fae7bc369cf800f3ac5fcbf08fffed2bcb11c3aebd9c9176c82e19a0fd4dfd7a",
  "status": "confirmed",
  "bitcoin_block_height": 972955,
  "digest": {
    "alg": "sha256",
    "hex": "fae7bc369cf800f3ac5fcbf08fffed2bcb11c3aebd9c9176c82e19a0fd4dfd7a",
    "preimage": "block:{\"at\":\"2026-10-24T17:21:01.877Z\",\"entry_count\":1,\"first_seq\":48,\"height\":46,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":48,\"merkle_root\":\"7be10d927dcc4640ba1730fc48aa9c879b7833f29bde54398272462b0c23cd00\",\"prev_hash\":\"9cc476d2de0dc0b283ed8e100b31e9cf5357d7bcc6b456b9c5efe67eeefcddca\",\"v\":1}"
  },
  "calendars": [
    {
      "calendar": "https://a.pool.opentimestamps.org",
      "status": "confirmed",
      "submitted_at": "2026-10-24T17:30:31.657Z",
      "updated_at": "2026-10-24T18:30:31.668Z",
      "bitcoin_block_height": 972955,
      "attestations": [
        {
          "type": "pending",
          "uri": "https://alice.btc.calendar.opentimestamps.org",
          "commitment": "6adceb38b0ae8487fad32de06f5a2ce9a3211298c52c2888385da5f1f6b1bd39b3eb7ec9b3aca5c24ef04ee6"
        },
        {
          "type": "bitcoin",
          "block_height": 972955,
          "merkle_root": "3070b4b64d766acc6b8c2ec362acc3415aa2e07e9a5bc2e992ccd9c676ae577b"
        }
      ]
    },
    {
      "calendar": "https://b.pool.opentimestamps.org",
      "status": "confirmed",
      "submitted_at": "2026-10-24T17:30:31.657Z",
      "updated_at": "2026-10-24T18:30:31.668Z",
      "bitcoin_block_height": 972955,
      "attestations": [
        {
          "type": "pending",
          "uri": "https://bob.btc.calendar.opentimestamps.org",
          "commitment": "6adceb389b9b05d916bbb3a6e4811873b82e52ae64e87a6e3cc395ee8946699ec3b874fc53e6fc3455afe143"
        },
        {
          "type": "bitcoin",
          "block_height": 972955,
          "merkle_root": "3070b4b64d766acc6b8c2ec362acc3415aa2e07e9a5bc2e992ccd9c676ae577b"
        }
      ]
    },
    {
      "calendar": "https://finney.calendar.eternitywall.com",
      "status": "confirmed",
      "submitted_at": "2026-10-24T17:30:31.657Z",
      "updated_at": "2026-10-24T19:53:06.806Z",
      "bitcoin_block_height": 972959,
      "attestations": [
        {
          "type": "pending",
          "uri": "https://finney.calendar.eternitywall.com",
          "commitment": "6adceb38f10dd36de24856175b9bb3b9670a0acf70090ebc3c1c5b11efe8ca82b6de8b2ccf75b3915afcd8d1"
        },
        {
          "type": "bitcoin",
          "block_height": 972959,
          "merkle_root": "b24f80d7cd4c29a7c0218013b1bbb0a729ae2ef53b720f465ca9c5b104743f66"
        }
      ]
    }
  ],
  "proof_url": "https://www.rightshold.com/v1/ledger/blocks/46/anchor.ots",
  "how_to_verify": "Download the .ots proof and run `ots verify -d <block_hash> <file>.ots` with the OpenTimestamps client, which checks the Bitcoin attestation against Bitcoin block headers. The digest is the block hash: sha256 of digest.preimage, the text \"block:\" followed by the canonical block header, which is the same header the issuer signs."
}