{
  "height": 19,
  "block_hash": "2f5bc16b42c13d99cf69ae592b7a817c1bf38a2e9af71fff9f558fad1e7a21e1",
  "header": {
    "v": 1,
    "height": 19,
    "prev_hash": "de1a5dd1067d32d4930794bea615cb1b918042db829fb6500ed1a821e4c90c38",
    "merkle_root": "28183a40f9ea0d817e2a34c79ffc7220908634d729c3f2150409c6ae8ffd1eb1",
    "first_seq": 21,
    "last_seq": 21,
    "entry_count": 1,
    "at": "2026-10-23T23:31:00.960Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-23T23:31:00.960Z\",\"entry_count\":1,\"first_seq\":21,\"height\":19,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":21,\"merkle_root\":\"28183a40f9ea0d817e2a34c79ffc7220908634d729c3f2150409c6ae8ffd1eb1\",\"prev_hash\":\"de1a5dd1067d32d4930794bea615cb1b918042db829fb6500ed1a821e4c90c38\",\"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."
}