Evidence row 2577858

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/IF4j41"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/fe94270d-cb8f-4e69-b3b2-79a849e41deb/.well-known/agent-card.json"
    ]
  ],
  "name": "Fevero",
  "owner_address": "0xd7acabb8b09d60589112dd81f62d379e24dc49d5",
  "raw": {
    "agent_id": "181678",
    "agent_uri": "https://centralcity.ai/a/IF4j41",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fevero 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/IF4j41",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fevero",
      "registrations": [
        {
          "agentId": 181678,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/fe94270d-cb8f-4e69-b3b2-79a849e41deb/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/IF4j41",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793708271,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T12:20:14Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fevero 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/IF4j41"
}

What the leaf hashes

{"body":"8f47af540cdc4a0a45471e7aa56326be04ee02d9f893a5c44c1ad7349b4fca29","id":2577858,"kind":"listing","method":"sync.erc8004/1","observed_us":1793708414208600,"prev":2577168,"subject":"erc8004:5042:181678","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. 0xb63aa40613fe3bbecc809ffce5e9c9df36fd97fa246e27c211d239430e0bb87b
2. 0xa7abe3ef1bd059b1a8bcfc269918263eff50d4e6fa8d0477cb530924ef188b33
3. 0xe9b079502450cc01cf3b831dd6e806376bf741f03f09e38e78eb7991b47690be
4. 0xcdd52d4d98e9721eca21b04dcaa4c10d6d0b8c81b5e4898c11734d756179ed88
5. 0xbb6f21dbf3f91775af90de953359fee43bb7ac9fc7a88a529beb08ba7293759c
6. 0xd2c3b112fcfe64060cb8c028c96de76a47924b578fc3c5894a55994675c9a191
7. 0x3b35613971e4fb00c0f79163ee43936d19e14f6ac9aa12ad3e9c23f3a2b8ebe7
8. 0xce5c0c19c2cd1b82c2e5421dc5d3ba460161162bca899f3fb01847195f6ae7e9
9. 0x49790c2cfd91c95944b1f647edba8aa90e2ffe094b90baa9ceedc3eef1ee9753
10. 0x4f43e28baeb0a2d5aa3161f22c64da41bd4cf28d13737565b4ba29b4e0a4d50c
11. 0x0bd787f417928354757d2440f000b758bec86c587475726b7a56846f3d4d7fa4
12. 0x9a35904e1bb8077b8807427d95dec8c0d4862d485ff7683340c19f2f649e541f
13. 0x21bb4f528bdd235a77e2f1802b439572aadfc1f1e65d2605dfa0bdcb481e4d28
14. 0x1114468556630d3a65d038b1ce5fa0e558d58422878e6b91ce8c3b87e06fafef
15. 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7