Evidence row 2520310

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/FfZLtp"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/be68527d-4aed-4fc2-8d0a-f5756decf563/.well-known/agent-card.json"
    ]
  ],
  "name": "Hadan",
  "owner_address": "0x4d46578ad988ad3245844d64fa71bbc46add1f69",
  "raw": {
    "agent_id": "156715",
    "agent_uri": "https://centralcity.ai/a/FfZLtp",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hadan 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/FfZLtp",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hadan",
      "registrations": [
        {
          "agentId": 156715,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/be68527d-4aed-4fc2-8d0a-f5756decf563/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/FfZLtp",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793678850,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T04:08:15Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hadan 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/FfZLtp"
}

What the leaf hashes

{"body":"242eac2b40c426081e793c8f8678f0330e01dfaaff360354ba67f145af1ac699","id":2520310,"kind":"listing","method":"sync.erc8004/1","observed_us":1793678895112304,"prev":null,"subject":"erc8004:5042:156715","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. 0x1e118ad6fc4749224e6beed84ba4ee842436537a4d698b41cdea0788121678f6
2. 0x8d4512410697cee90a448ad2c32db768c69f47ce12de11342455f38eea5b6bf4
3. 0x4117216c78175588ff1b9e46aacfd1dc5f71f6ca15999fefa778bc68e49b44b2
4. 0xa1fd7422b5efe4a6c1a6108b506e43244e8b59eae0790bd81f55720d044e2e6b
5. 0x16eb17d86d8deba38837d5e6b57c115e8519ae005ecd0149ac73c7d972da85a7
6. 0xc19c3acafde4cebaec1e0ce80f010d25644872ccfe17c34206ad4e951dce131b
7. 0x901b85f830c6f5112d985451f9f4d81c03b0c8cb0599ba8a1450fcb12a54e18f
8. 0x9b0ffefa535fbe6c3213816fefe96d14c5f81b2cc5be6ef206d91d75e6ab1ad7
9. 0x5c9beb81e738385525a8aebd22814fb591a6a3240aabf15a13cbbdfbc8161fb9
10. 0x49e3d087af6d00447767108cb934143f121a439f158eb97b72336499342fb79e
11. 0xca9dd5bf1cd10710e906f53139492c99154b85cc89baab37e26456f62c24cc03
12. 0x27c078023530e27afc297fc23d359762a6121591972df28f977fac90ff5a2ee1
13. 0x6e86e82cdce44ed1e6f3cb733b0697b7f61258b10df0cb5522eff763f46425bd
14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7