Evidence row 2498083

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ycift4"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a866ff56-b567-4f8f-828d-71fdfc213439/.well-known/agent-card.json"
    ]
  ],
  "name": "Grefus",
  "owner_address": "0xc21003ab9c2c7b64212cf6c7b292e162c27ba9de",
  "raw": {
    "agent_id": "148059",
    "agent_uri": "https://centralcity.ai/a/ycift4",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grefus 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/ycift4",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grefus",
      "registrations": [
        {
          "agentId": 148059,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a866ff56-b567-4f8f-828d-71fdfc213439/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ycift4",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793669071,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T01:28:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grefus 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/ycift4"
}

What the leaf hashes

{"body":"92df7d64f89f72d7294339467a57f4b59a401a3748d17a42c211d7f22b90d10f","id":2498083,"kind":"listing","method":"sync.erc8004/1","observed_us":1793669308137570,"prev":null,"subject":"erc8004:5042:148059","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. 0x307324fbd6633c398d35aa09662d4a75b54f7e05dc33a9fd0ccee1a8ba353b27
2. 0x68bffd39504c93ae6c261eafa3f912a4117e4a4b8da301be32c2189afd975eb7
3. 0xa0390e8b42fb7767992e93058810243b1b72f1bad0487c2df268bf46685311a9
4. 0x8f3059084df4e8155e9bf1d7083460482e409f76ff50dce2c0f8c918530f3bf7
5. 0x4af307c258d7f5110e25bf4974f7d1564c9663aaaa5a6a935b4b58aef798ebb8
6. 0x06c55faed57e194872dead97f441a8b76b017c9f8e8d869e467e4ec6dec929e1
7. 0xe294d3578d5e4809e8738afdf1cc6aba46945736a766b552bacb693161a5a9dd
8. 0x836cdea985be578fa1d8a30f8b2805616e8fcf3ee2ffb37c937bc4fdd2e573d7
9. 0x09f0b9f4de0da2b266934c36289e4c19d2dee3abdfcea8de46bd4f878f7eea91
10. 0x50a4cf052d3922e1dc1fb7cf3fa1ad0ffa2dd59a869244bbea4620829c41d10e
11. 0x1d9f321ef4e13069ab260b603bc094abf8fcb1c0d9a01304258640a640ded1a4
12. 0xae2f2873a88ca5db58107135725dc5d5c62ade72fddbb335579948add9e9e7f4
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