Evidence row 2718831

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/YW5ONI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/632d685e-eeb6-4ddd-8fdc-964e3922c2bf/.well-known/agent-card.json"
    ]
  ],
  "name": "Hefano",
  "owner_address": "0x1e42690f39700082802c99858f60430d7cc3c6e6",
  "raw": {
    "agent_id": "207195",
    "agent_uri": "https://centralcity.ai/a/YW5ONI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hefano 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/YW5ONI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hefano",
      "registrations": [
        {
          "agentId": 207195,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/632d685e-eeb6-4ddd-8fdc-964e3922c2bf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/YW5ONI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793742999,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T22:01:11Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hefano 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/YW5ONI"
}

What the leaf hashes

{"body":"b092a9be4e582d0aa018320daa83d70a3f9259f0f9f12bef4fb79fedda7558a5","id":2718831,"kind":"listing","method":"sync.erc8004/1","observed_us":1793743271414792,"prev":2718447,"subject":"erc8004:5042:207195","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. 0x2cd74480e17fa4a163b8510d95d59da8771be0d07a2c46904cc3f0ce29b94985
2. 0xb22787e872e6b06bc796ab0e13074f799ababfe8675669fee167db39022e7ff4
3. 0x3d1d934724a36ddc0245bfd23d6e700ac5271896b2951db3a6afd354b0ec2003
4. 0x3016cb7bbd75cb14353af5ccf08e6f6b01b228838ae3c5aff557c6426e20b4a6
5. 0xcdae359cf8566bfae5e456cd2867eaea0e6027f6ed2f7374931822bacf081809
6. 0x1c21e79b41a7d752c82f5f57f6b0bc21e7ec423868e65cd94012a33a1a136300
7. 0x175d8ca909f2449bda958c46366c39873c059eb7c283a5f3a63be24791f551e5
8. 0xa23c2d27fcdf7330c0cc3860a3984cc8f3f955f1fdd6e669c4a3628e51eb2da1
9. 0xb121d2f33402877fa54a6983bce69689f1111aaeb2eba69ce55d39eda5f8dfe1
10. 0xb46a1f4d50b458f946b9b504dbba583695888aa35a0d02c00352642db0552f7f
11. 0x5439b642919c9646a82a982f1cc0e1d10f3844925e509223f8ad1f7ef118a84b
12. 0x1b2704fbaf83f8cef070c39b1c0713e5eacdf16543f7322374a297b08e1bec15
13. 0xabecda24f649c46632dd795fcf8ca7d146641246a569c0a3ec1fd85e9baf0a5a
14. 0x2498d172c194baddb2b78ac926b7c8da79833909dc2801e4c25af0c0eeca0f3d
15. 0x3553ea75bcf78135f26289b22fcb05dd562af750aceb74fae97aaa66ea2adb8b
16. 0xb1804d44f1a591de3b8b8db8fe72e8ab6695e6d154862ee8ea77b6ac2b43b67d
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7