Evidence row 2557832

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BS1YC1"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/a69c3343-1e23-4850-99e2-2c213af53275/.well-known/agent-card.json"
    ]
  ],
  "name": "Brestano",
  "owner_address": "0xd68406e206fd1f3cbfe89834a1d6be1e70b1b117",
  "raw": {
    "agent_id": "172263",
    "agent_uri": "https://centralcity.ai/a/BS1YC1",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brestano 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/BS1YC1",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brestano",
      "registrations": [
        {
          "agentId": 172263,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/a69c3343-1e23-4850-99e2-2c213af53275/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BS1YC1",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696827,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:08:55Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brestano 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/BS1YC1"
}

What the leaf hashes

{"body":"bfe4639f462bf11d16d6169bd2cfde8e4e8b881fc8174e1ba277316f3f9d6a40","id":2557832,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696935505136,"prev":null,"subject":"erc8004:5042:172263","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. 0x19598989dbf65c62d67d978bc99e78ba51a5f23de2f79a9128375d84b5f43a1b
2. 0x88cdb4111232a7ed0f695ddde11eade46abb790ee1a729118e44e685d4b2689c
3. 0xaf986a5cecca8347878e100c6b012223331b9bf12c5c7e2df95495a812c8ce39
4. 0x06bcbe59ba27afc677329d70a558406597da42b45b500f1e70c339346f1f2308
5. 0xa6bab47df4574f638893dec6796c8ad782b3ca8eb1ed4e99efb40721e86ecd13
6. 0x8cf69ec278fb9b1b2f3bad76772b48e799a81b76f99207ffc7baed122831955e
7. 0x86730f040212ff54c1ff3860c03861546517b948edd708d1fe9c193e9fd26f36
8. 0x6c62140392a245576a87bacdf9f200e06ef989669e7e3a2135749d676e6b552f
9. 0x2a48edb25e6e3aecadc22696e2cf4fcd92a9c84dd523e110636b0c01af06cb82
10. 0x48ea41d8d83aba6fa7c10e5aa789fb8987fed068fe324a4938ed70e71631e4fc
11. 0x65f87f295ad2cd7a726b3cce0739854fd20c0b007b5c868ff704490ed3e51beb
12. 0x0afedfb5d94e21e502c5ea2f88ca41ada9eaa1d8dee6056c446b424b6e1fabd4
13. 0x6393e3b006f758b9dc2efca97748e8b94b587bc90cac45f81eb08fb9398fed9a
14. 0xa1b9921bde76812f1ccbe5230e9921311a3aeab7f9d6861066c6dd5b532d126e
15. 0x711583ccee5cdd04f5adf1bada00491547d886e40ddf1799b012e27be2a663c2
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7