{
  "height": 173,
  "block_hash": "6287476df5e10f92ad08c591f7ac7c33e9b0627104fbdf0be1acd5cc04708d76",
  "header": {
    "v": 1,
    "height": 173,
    "prev_hash": "c87c4d0a75e3b42c810957841882003da650c876ca1c6cdf888451365f2fd409",
    "merkle_root": "16364ca01b4c7bbe873985fefb9150af31cb86fb9e3168a9b1c29e2ce48d83bc",
    "first_seq": 218,
    "last_seq": 219,
    "entry_count": 2,
    "at": "2026-10-25T04:09:21.380Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-25T04:09:21.380Z\",\"entry_count\":2,\"first_seq\":218,\"height\":173,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":219,\"merkle_root\":\"16364ca01b4c7bbe873985fefb9150af31cb86fb9e3168a9b1c29e2ce48d83bc\",\"prev_hash\":\"c87c4d0a75e3b42c810957841882003da650c876ca1c6cdf888451365f2fd409\",\"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."
}