{
  "height": 18,
  "block_hash": "de1a5dd1067d32d4930794bea615cb1b918042db829fb6500ed1a821e4c90c38",
  "header": {
    "v": 1,
    "height": 18,
    "prev_hash": "0921cb42020a493930de746b2d2a978179d999b628e8a54712d8e7aee749c77b",
    "merkle_root": "7f590f8d93c577cc3c2dfaa8e55e5ca64d50e7aa0823cd7909426af6574297b0",
    "first_seq": 20,
    "last_seq": 20,
    "entry_count": 1,
    "at": "2026-10-23T19:46:17.984Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-23T19:46:17.984Z\",\"entry_count\":1,\"first_seq\":20,\"height\":18,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":20,\"merkle_root\":\"7f590f8d93c577cc3c2dfaa8e55e5ca64d50e7aa0823cd7909426af6574297b0\",\"prev_hash\":\"0921cb42020a493930de746b2d2a978179d999b628e8a54712d8e7aee749c77b\",\"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."
}