Evidence row 2728409

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/7QlOYN"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/95ea08d4-8bd7-4f07-bfbb-c1d1f0b43d98/.well-known/agent-card.json"
    ]
  ],
  "name": "Gratet",
  "owner_address": "0x3c6ecf718ee6b1e7eecbe738265bcc7f8e705045",
  "raw": {
    "agent_id": "211575",
    "agent_uri": "https://centralcity.ai/a/7QlOYN",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gratet is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/7QlOYN",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gratet",
      "registrations": [
        {
          "agentId": 211575,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/95ea08d4-8bd7-4f07-bfbb-c1d1f0b43d98/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/7QlOYN",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793748673,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:36:36Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gratet is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/7QlOYN"
}

What the leaf hashes

{"body":"e3def3ab9cf47c0924e6d8e20c404718ef0b88eafbfc272e6e7fb850e486c73b","id":2728409,"kind":"listing","method":"sync.erc8004/1","observed_us":1793748996380653,"prev":2728035,"subject":"erc8004:5042:211575","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xa038fd90dc887e82f751e79dce63dcefeb53c5cca972e669349249e123520682
2. 0x18add6e86acbdf4f648cf6d7af47f0eaf656d15c855dfc557864e121f3ddd74c
3. 0x8289848e1f3cfd87c5f2a748ba4b03efcd4c4436073b12afec37ef77cb062483
4. 0x7a5400bb7bf2b40e095a91c71795a0c24ad953d287cd9fe2f7f0856f1a70de2b
5. 0xe08acb57e857c3be3e5b2b443d24ef6c9b8eee4da993461d9f8f9f4407f68378
6. 0x5904b71712fcd320b5c9c94b9d28faa429d7d8918e66a7baf8916791613f44a2
7. 0xf2091761ac103f927f4c8fabcf472b0197f0c2a657b191ca8499bbb7b9a88dae
8. 0xbf3da8bb625fe6956288a95c3f59477694f1de43d001bb1be8a80a03e35685ac
9. 0x47fc912ece64e41ab1c78d15da458ae5899efbadacedb06c8dc78a01780ad264
10. 0x9b01bcccd28e6227825f2bde408c6bd93763fa37e3b76c64e22ff6150934f42c
11. 0x8f32b3ef1749de4d42e92796271237e5af0a152447603242aa1a70dc527585c4
12. 0xb47b1f6faea714cc97fa97c8755c79e0e099a2dbf305cfc6e721cc7118fd4160
13. 0x8070cbe0685f508360b5b1120601afa35a96b721c6cad8ddc83334fbabead425
14. 0xe49428eac50d81f1f7650588e082bd418a927c143f69fb66decc0ace1ad681d0
15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7