{
  "height": 64,
  "block_hash": "6a0ff3f83ed9ad7ff1619cfba9b76f7aa6a85603883aaee370fe958b7a7640e7",
  "header": {
    "v": 1,
    "height": 64,
    "prev_hash": "6fda7bf75a2b1aaaea3c59d99dc6f5539514e1447f884003b9c3186cb57bc080",
    "merkle_root": "7961403a86bfc93e735888c03815c314101292b1911d062e3c31b410a1996bcb",
    "first_seq": 66,
    "last_seq": 66,
    "entry_count": 1,
    "at": "2026-10-24T18:53:37.142Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-24T18:53:37.142Z\",\"entry_count\":1,\"first_seq\":66,\"height\":64,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":66,\"merkle_root\":\"7961403a86bfc93e735888c03815c314101292b1911d062e3c31b410a1996bcb\",\"prev_hash\":\"6fda7bf75a2b1aaaea3c59d99dc6f5539514e1447f884003b9c3186cb57bc080\",\"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."
}