Evidence row 2540820

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/t03Zj7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/63290190-a779-48ac-ad1e-7dce944e4fce/.well-known/agent-card.json"
    ]
  ],
  "name": "Fefjo",
  "owner_address": "0x59ca8ca6c4ba5ba768e72183e4d219912f45e42d",
  "raw": {
    "agent_id": "163703",
    "agent_uri": "https://centralcity.ai/a/t03Zj7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fefjo 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/t03Zj7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fefjo",
      "registrations": [
        {
          "agentId": 163703,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/63290190-a779-48ac-ad1e-7dce944e4fce/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/t03Zj7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793687265,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T06:29:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fefjo 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/t03Zj7"
}

What the leaf hashes

{"body":"af10dad9b54f7323066e9a08d87d9f7c9c49ebe7ebe575e1c14d0ed717cc98a3","id":2540820,"kind":"listing","method":"sync.erc8004/1","observed_us":1793687361566561,"prev":null,"subject":"erc8004:5042:163703","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. 0x2f28f9be3defaa2805136fa62e4b57f9ea2c633707d9448e42fca9c54fd1337b
2. 0xe7fca9d3c6fa57d2a968b7bdbe04a258f8a9b6c37b59974f13fab6550bae0626
3. 0x15a13da1a75579f76f18edb7519635185e82ff40ee82ceaef1d7dd7e1bbe41c3
4. 0x5955c7cff0a6c5023fc7307fd602e6e1611293e053397e6920d7478709cae03f
5. 0xf1a4880f14a8a194cda6bd7efc3aa66c75a6344616e0e4a4610c48e363677bf9
6. 0x2e831da41089e05ad2cf616366bdd13e5497df3925cbd6c9cf5d1b4f4ee5ed2e
7. 0x844ed61cc58dcc4a9b23f520bb0340c40fd29fff3e57189cd206ac149202b144
8. 0xd1767a23eb95e43411fd3624d10ec80a1f68b6d15644e2e4c161f5ae5d9c768c
9. 0xe052b932b82dd43a0f0d2283a817871c5c82efb65ae93f43439ffe58a487ee5a
10. 0x16fb5d7a23dbf9c0d99c0ee437f6756f5ee120441b144781cb828e5ed580d807
11. 0x2fd3997140d7e146c0667023f3289fd6130a4e689e7090ebd3cfab6a604861ad
12. 0x8455b4b7e5ecaa70aa53da04470fe41e0e0365e4edfd954320849b1c24ce31af
13. 0x2f64dbba88ce60f5cad9ef597b99adbf687838c05ce885ed581fa95aaf9b1a3f
14. 0x2498d172c194baddb2b78ac926b7c8da79833909dc2801e4c25af0c0eeca0f3d
15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7