{
  "height": 172,
  "block_hash": "c87c4d0a75e3b42c810957841882003da650c876ca1c6cdf888451365f2fd409",
  "header": {
    "v": 1,
    "height": 172,
    "prev_hash": "dd368f805486942b89ef6c1f1d2af8c59bad3d5aa00ea966161bcc48142b8ae3",
    "merkle_root": "5afee8ab078508f29c57a3f5ac12c073c2a54c4b2b9e87a758f5612dadb7f0ca",
    "first_seq": 216,
    "last_seq": 217,
    "entry_count": 2,
    "at": "2026-10-25T04:04:21.319Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-25T04:04:21.319Z\",\"entry_count\":2,\"first_seq\":216,\"height\":172,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":217,\"merkle_root\":\"5afee8ab078508f29c57a3f5ac12c073c2a54c4b2b9e87a758f5612dadb7f0ca\",\"prev_hash\":\"dd368f805486942b89ef6c1f1d2af8c59bad3d5aa00ea966161bcc48142b8ae3\",\"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."
}