Evidence row 2557612

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/R9l68I"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5a7a9bdd-e5e9-4cd5-b713-fe7c26259d81/.well-known/agent-card.json"
    ]
  ],
  "name": "Subon",
  "owner_address": "0x7b1d1f6179af2dffb64f3c3b2b57c70bf3e30f03",
  "raw": {
    "agent_id": "172017",
    "agent_uri": "https://centralcity.ai/a/R9l68I",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Subon 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/R9l68I",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Subon",
      "registrations": [
        {
          "agentId": 172017,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5a7a9bdd-e5e9-4cd5-b713-fe7c26259d81/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/R9l68I",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696630,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:08:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Subon 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/R9l68I"
}

What the leaf hashes

{"body":"081c7495c1f07437003479eceff62400f1f88c7b2c41b4f5a169dc736721f95d","id":2557612,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696934574783,"prev":2557366,"subject":"erc8004:5042:172017","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. 0x421a0de318bb4a43b4387e8c6f58e882be4f4b57c13ddc95fa12f71279f580ab
2. 0x0e5a24d47c74e0d0a2c078ba228ab50e23e3fb32ac50d6a43ef592d507f430a2
3. 0xdcb749505f42115bdbaedd1eb39f40a63a97dc9996b1e5ff50c1f55fe72c789e
4. 0x6bb196e3a7ec252c58c82746fc150386cc75236d0c3d20fd98c90d8f25b44cf9
5. 0x182de1b22b1b2b29cf8116f4043e61b52e5e7421fae150a20721e76e335ef1c6
6. 0x456ea4d116b79261a72a6e6c68f495d766bb4ead86e6ad2aed157137fb86dec1
7. 0xc9cf807becd7c213a3bf0036aff6c70b7563f4ab5bd9126561f959615a1ef140
8. 0x946d0428e0a82c8a92ec9dc57e87f331355e3f757984af059d7738a096703ac5
9. 0x0dd3981d469b20ec531a50fa59df66d0d5e0e6adb8aeae00772f7fd6287dc267
10. 0x465d95fefe0f2020ac843c4a14af607e7b6e83348a3600923a35ef73fcb2e655
11. 0x914669306cc211196a495992a1a1066916ce7bcdf6f8b5f39235c10f436df645
12. 0x3e692194b9dd80558ecdd03d2ce10f169dcf449f24c7db4bb5eddfaf5dfa4954
13. 0x6389fe0a64a454c99943bd099b6d3c7b9164c03f7e0cbe464480d5168f9f5740
14. 0xb86edd36717aff076ef26c04db10a77f49a2dca8367fae52e69b19705922afab
15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7