Evidence row 2551089

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/MVQpa1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5ed56c54-f392-48ac-8cbc-cd246bbe7dd7/.well-known/agent-card.json"
    ]
  ],
  "name": "Kudo",
  "owner_address": "0x970da798447bec8d46f91f5356747197b37f8a5c",
  "raw": {
    "agent_id": "168679",
    "agent_uri": "https://centralcity.ai/a/MVQpa1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kudo 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/MVQpa1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kudo",
      "registrations": [
        {
          "agentId": 168679,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5ed56c54-f392-48ac-8cbc-cd246bbe7dd7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/MVQpa1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793692725,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:01:13Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kudo 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/MVQpa1"
}

What the leaf hashes

{"body":"fbe626dfe7a0658cb4eef08e94d64e2c37cd18c7177a9880a6938fdd3a96a226","id":2551089,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692873253419,"prev":null,"subject":"erc8004:5042:168679","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. 0x285d39c90cb274d8f2a6514879f0162965335b053098d5afbe2b751ab27c9856
2. 0xcb8c662d330fd2ec97c32a9d8b2570c55358f8a5ba2e12f220eeeeb7fe0f828e
3. 0x1a54bb5c9eaa3b1c7b637db487770cbca0505536bd75f37a31c6bb489fd9b45d
4. 0xc280f83a2f7e19050feac2ff41d94a506a92751cd5916df8b6a8b6d961e7a4d3
5. 0x0e990a4e9b759d9851ed76ede365abe7673542b4e37b6bee8144a78b1125f6e8
6. 0x204679ee72ea89523d0e4cb138dd3ff484d2d1aad27f250d24427677526d597b
7. 0x3fc5ef86830d7d3c52dec76b0bf86257760a7787f20e0f587cfcb7b1f6ecdd5a
8. 0xed75a3463cb6767c94401a48e594414876ceff9232b83698141a672d412ef9e9
9. 0x9db5fd968a9da282dab4b2817e2d0d62090f40ef4df77ec522348cdbed5289ce
10. 0xe670823746e551c245466819d04009c4be5ef1711c6c7b23a1b9adb16d9aaf44
11. 0xe82dc1b204640da59f5a2d29ab812be2372271c2488b9d821339e8d2d8900b71
12. 0xec2ddd443556613d59609a7b14c036e6d271882b780c25ab7f82c2f5014e2560
13. 0xb3e9e2c239d3f86889736f5f9dd6b63f9f0ffb6cb921a6e5d19759d9d3670816
14. 0xfa613c0d80cbcddee7d225a3ab575b2b3c7203ea9f8cf881bf1cd2ffed0f5a23
15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7