{
  "height": 73,
  "block_hash": "bcf3afd2f6da2310d2ffc607add454a55b54df16297a66242041ef5bee79567d",
  "header": {
    "v": 1,
    "height": 73,
    "prev_hash": "9f5ff8ea0f31605ca3bb9f8da8098543041492c4e80e13258c7e2ccaa07893e8",
    "merkle_root": "cf3aff6b5027205aa622458102035383e56f561beecfcbc68997b79cdc5a517e",
    "first_seq": 75,
    "last_seq": 75,
    "entry_count": 1,
    "at": "2026-10-24T19:38:37.537Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-24T19:38:37.537Z\",\"entry_count\":1,\"first_seq\":75,\"height\":73,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":75,\"merkle_root\":\"cf3aff6b5027205aa622458102035383e56f561beecfcbc68997b79cdc5a517e\",\"prev_hash\":\"9f5ff8ea0f31605ca3bb9f8da8098543041492c4e80e13258c7e2ccaa07893e8\",\"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."
}