Evidence row 2603325

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vO48od"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5d57a6e9-a5f2-4a66-8a0b-6515d5a2752e/.well-known/agent-card.json"
    ]
  ],
  "name": "Maasisto",
  "owner_address": "0xb9cdf2e33a89366961c588910cefd4529029adae",
  "raw": {
    "agent_id": "190414",
    "agent_uri": "https://centralcity.ai/a/vO48od",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Maasisto 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/vO48od",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Maasisto",
      "registrations": [
        {
          "agentId": 190414,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5d57a6e9-a5f2-4a66-8a0b-6515d5a2752e/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vO48od",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793719134,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T15:20:58Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Maasisto 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/vO48od"
}

What the leaf hashes

{"body":"d5357fced633518660d0f56015a03d14ce4f67353761bd283a677e2967f6d8e0","id":2603325,"kind":"listing","method":"sync.erc8004/1","observed_us":1793719258423387,"prev":2602908,"subject":"erc8004:5042:190414","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. 0x197a7905103617834580549cb93b8812ff36a377e54c3fcc50b0b2f5c3577188
2. 0x2770eba80518aed29604c4d04157d52fb6f414d5646a6fcd24e21cec9460b656
3. 0x6e0b009a3557bfd28845662511942f5fc5f3b3692562a933796eae5c86e7f017
4. 0xfa72e89265c9e5599d1181e04628284e6fc512e06b0c3cab182d3b03b7bf6b25
5. 0x912ce6d546dbf5ac43c7d3d8e8c08a840de54315bea332346a2abebe056c0bde
6. 0xc2c99bf358f41d3868ebd6863763f0edc34705b328bfeea924260098bdd5cbf7
7. 0x2506033ebf929983ffd63c64ff164e8e9a3d79091f3b7deba596b9cf1228fe5f
8. 0xe6865e06679933d3914b79e21d0005ef558af26aa29bd50cbada97702da57c0b
9. 0x2a3934aa620ccdffd0008b8d968bfbe1ae7c9ffc8b6d189eeb0e60c30f93865d
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