{
  "height": 75,
  "block_hash": "8cb6496179641e5d87bbc10926e716b3924f48f62ff2bf51be9cd3ce2269f1f4",
  "header": {
    "v": 1,
    "height": 75,
    "prev_hash": "fe8aca317d3933d59d55a2707a532ba2b06b86c58697416934c5b7a994a9a537",
    "merkle_root": "00f876ca7552640f5931049bc4eae5d5ec548b20ab227a0614ceb0c54cd4b27d",
    "first_seq": 77,
    "last_seq": 77,
    "entry_count": 1,
    "at": "2026-10-24T19:48:37.576Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-24T19:48:37.576Z\",\"entry_count\":1,\"first_seq\":77,\"height\":75,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":77,\"merkle_root\":\"00f876ca7552640f5931049bc4eae5d5ec548b20ab227a0614ceb0c54cd4b27d\",\"prev_hash\":\"fe8aca317d3933d59d55a2707a532ba2b06b86c58697416934c5b7a994a9a537\",\"v\":1}",
  "count": 0,
  "domains": 0,
  "distinct": 0,
  "cosignatures": [],
  "how_to_verify": "Each signature is Ed25519 over signed_bytes (canonical(header)), checked with the public_key_pem carried in its cosignature record. Witnesses are labelled by registration order (W-001, W-002, ...); public read models never carry a witness's domain or full key id."
}