Evidence row 2554103

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/VJKWvc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/83391c2b-ca85-4501-8578-00dab3016fee/.well-known/agent-card.json"
    ]
  ],
  "name": "Havon",
  "owner_address": "0xb911b065d66d6a8ddda728ff4f8126f0813fba13",
  "raw": {
    "agent_id": "170070",
    "agent_uri": "https://centralcity.ai/a/VJKWvc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Havon 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/VJKWvc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Havon",
      "registrations": [
        {
          "agentId": 170070,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/83391c2b-ca85-4501-8578-00dab3016fee/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/VJKWvc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793694405,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:29:03Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Havon 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/VJKWvc"
}

What the leaf hashes

{"body":"245d369e8a42892fd58c25bd251f7d574b39623185a30853e59eca8d3d8a42f4","id":2554103,"kind":"listing","method":"sync.erc8004/1","observed_us":1793694543958733,"prev":null,"subject":"erc8004:5042:170070","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. 0x107bf9822dacd284e70aeadc544a01199780466bb99e37d6dc9f867c9bca2594
2. 0x438c70fe17725709a412c5a4f1875e7dfffd7eb9c1eb967ae8a2299d39239317
3. 0x124c6189cba08c796eb406f699b18e83501aa9198b5251145289567d95020da3
4. 0xae7334f5a03504b3cc9612d17d1e550072f1f67345d53f14c54b47563e046e21
5. 0x2de493c4e5b148e5700e6077f720f9e1704f2e5dfc55ded4e76cdff1a30f2df3
6. 0xe83fe0b77e96efec0779cbac12f07f0d0d9b77929242f138c4ce83e71a46ef89
7. 0xb9aa589f030d947eea8ddd9106cf96c702b2d2f90db8e05815c3566581a45129
8. 0x63f95037875385a36a196ac2a26d28ff69d6586a8d1daa35cdb1f788b90912af
9. 0x6b0dacb72614845773e7e122e85cd14f37a8b3519b6822f33bf26c684c469da5
10. 0x7d87597e54c3e98a4598e9f04b53c0db3ed9d5a7bfe49baa1c4060cd048bb7e6
11. 0x54bd874e10ade4d243d54fe237d381f0e1bd259a66ff4acfe9606902b3d138a3
12. 0xe97f7d4ac0a2ce636097d79a7399ac6b709a809cd77091e3291f6d41288a54e2
13. 0xbd3788e71f07bf672e2215ded21f6568d06e4900d4c0672cfe6d60c10021c48f
14. 0x76d3127ff7002aadb80d8fee8c3084e81db30af8fbd02d4fa7d7662d40807bc2
15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7