Evidence row 2728521

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/iM7uig"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/3fc890cf-1cee-4de6-8db7-22a56cd97d46/.well-known/agent-card.json"
    ]
  ],
  "name": "Fubiandon",
  "owner_address": "0x3de3b1ec7aaa0e1ba12265017f18676927ce4a5f",
  "raw": {
    "agent_id": "211821",
    "agent_uri": "https://centralcity.ai/a/iM7uig",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fubiandon 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/iM7uig",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fubiandon",
      "registrations": [
        {
          "agentId": 211821,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/3fc890cf-1cee-4de6-8db7-22a56cd97d46/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/iM7uig",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793748747,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:36:36Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fubiandon 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/iM7uig"
}

What the leaf hashes

{"body":"f6ed5279ad9c4ae4a7bd9147bf93d7e7837995ed958263b278c9735be4163e82","id":2728521,"kind":"listing","method":"sync.erc8004/1","observed_us":1793748996641570,"prev":2728281,"subject":"erc8004:5042:211821","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. 0x4df95a215d9426b8da893ecafef370118fd9650ee7e827c283dd4cf0cfbf5bc4
2. 0xa72a7af1ad0795856a58aca2e67acf3ccbddcf8ec2f07bda321db0f19b6976fe
3. 0xcb940dae797f8c327b1bdb9c56d4fb0ce4a28dda6c61360853e9723d516ba64d
4. 0xa9d42597e02ee70f50b7facdb4fe1b2b2dfdf50fde53a8e01c2d698b07da7402
5. 0x4b5e5772337faff4444a3f85193a78c61ce31806f5ca03be7cd889f998261f15
6. 0x267359c137c5cf0ffad0c34b5d4e5d961ab8024d6d9f76203ff112aeb55a5ee2
7. 0xa08483038862a5eb995f9c0e0d8c2bde01fef5c036f117afc7d227582be71586
8. 0xbc557b404de7949c0815499d2f593b24f32127fa94bcda0ffdcf087cb7208d03
9. 0x22dc58226e08578d4f16bcb28798b58129e44591d10bae9e14be83e6b06f80a1
10. 0x03f034da50ad9fb2547f795e0425df96ec576f1d2684ca3e99dbf42a57c4c0cb
11. 0xb03d81357842083fa636c6da2ea9eacc8c1ede3e3136169d2e1208a9d57547b8
12. 0xeb5dc94121e9ce65117d2bddd583629e94d10366ce6bd13180fdc3395c2279c1
13. 0x22f82e035d3ea6cb5d84043480913f82c413a83d3ed928d72d0127600d8acbe9
14. 0x5e9968227987a7f0940fee03a33017f5e7157de7f0889921817733c1ab8871d1
15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7