Evidence row 2544148

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/X04VaU"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/35335287-a590-4e8d-824b-df246dad3608/.well-known/agent-card.json"
    ]
  ],
  "name": "Diampeon",
  "owner_address": "0x2e8b6f95b6435458ac39ab5ce33e17e01507aaaf",
  "raw": {
    "agent_id": "165250",
    "agent_uri": "https://centralcity.ai/a/X04VaU",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Diampeon 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/X04VaU",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Diampeon",
      "registrations": [
        {
          "agentId": 165250,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/35335287-a590-4e8d-824b-df246dad3608/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/X04VaU",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793688856,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T06:57:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Diampeon 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/X04VaU"
}

What the leaf hashes

{"body":"058d25cf81fe372e1690349d6c662921f38031eabf691089b4105b7e57e1fc55","id":2544148,"kind":"listing","method":"sync.erc8004/1","observed_us":1793689047784129,"prev":null,"subject":"erc8004:5042:165250","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. 0x02d9e48e9d6a1c914ee853ccd9ad87ec198482200464517d2e237a89eb4c7de9
2. 0x89a88864e449619f86cc9ef755012b8111dc5155e81f5bc4e7802de8abebdd74
3. 0x3f5e23798916a46746ea945bac6b8ad92c7967824051b69e5ca203a953df09df
4. 0x4f841035e1abb62964f10328191c1af5bb03bcb54cc01478667aec42625beab9
5. 0x7ca8039ee36aff13730ed6ef95ce1552e3d6d4138821c3a04ff0563753560893
6. 0x12996a0be503383b0180069a7370aaad124325900f63c0abd7e0a0a00221b709
7. 0x208d2556370e035a7ee2463ea9e9f1ce8582a95bee30bb450755bdf4fa734d2e
8. 0x53363ded04a6195ec17634f1e421adefc307ede15bedbe630b8e406bf276cc5d
9. 0x5ee7202e28b6a07efea938fac11e766894bd09bd0e8b04c5dffc4aa252bbb7b1
10. 0xe6e77c7d63202d847c5bfa85f479b5c82710978306dc373f9ca1b7716cc18d3e
11. 0x2e31b617923b2d29f02d9194eb7dc967a154c97c235ffbe3da52aa60af8eb458
12. 0xb614dc9e16c21dfd0d2ac9f897b39c519371756df4d7b8975c6ea7569f0d340f
13. 0xaec437d1d1c6ff6e0f177901126ae489eb66919a42d50ffe51bf6fdce48420d9
14. 0x38d3e4f5af0a7695cec711b235344c4c2a36bac0d573eb1675af35d5916bbc2e
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7