Evidence row 2276992

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Et7a7f"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e21daf6d-339b-4f45-9404-14c38463da08/.well-known/agent-card.json"
    ]
  ],
  "name": "Gefero",
  "owner_address": "0x24920f17fa4dd5274b9fbc03d1de04d8f5deab02",
  "raw": {
    "agent_id": "131828",
    "agent_uri": "https://centralcity.ai/a/Et7a7f",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gefero 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/Et7a7f",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gefero",
      "registrations": [
        {
          "agentId": 131828,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e21daf6d-339b-4f45-9404-14c38463da08/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Et7a7f",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793652311,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T20:48:21Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gefero 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/Et7a7f"
}

What the leaf hashes

{"body":"c6577260f561b374e2feceb2fdcedc2a932d5fc3f367b0ebb72b6aa68090c0c9","id":2276992,"kind":"listing","method":"sync.erc8004/1","observed_us":1793652501583776,"prev":null,"subject":"erc8004:5042:131828","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x99c0dae56f4f4582c3da81e0502e45da82d382ce8bbd17c2592c182500422359
2. 0xca64b6ca7b83999978c7f19b85d7d0b3beaf15e3153c71b4501b9c28bb5af8fb
3. 0x908d0b1b69c844deb42952d1508be9b6f9c973eedfe2607b545f9e947e1c89a4
4. 0x00b3ffa82ebd2086b09cf381ad0d57e07a718c5110fc813f87d4379e35aca12b
5. 0x8d522e1b74795a64819d19dc1e0eef0bd01eb4059b1187de5ca173cce304781f
6. 0x9f7411fa239ec57dc928e0fa04b2818877fa1de3ae8bb10e9dee2eb038d8b507
7. 0x6d426e5c1492f4c8f2a28988b302f432f36d9fba20db95c37e6b41b674cd3a81
8. 0x8ef3a5745af3f309f74d9986dbab4f995857997006820146ff9fed5bc6cd0ce5
9. 0x7be1d44e56a24a98c6ccf065e93c59c87e83e0675998944d1ab4db2bb2bd2c95
10. 0x8de655c6db1bfbf63777ff32ed682b3799b680a6d56b1b995f6214cfc4a8a74c
11. 0x0ebf0dee7659490a53403f6e33e892e7c2a61d5bc168fcf38722f35956bec54a
12. 0x60bd288cf68fd865db71df4065677ad3339531f9f1add40d462deb18cd7b0a7f
13. 0x96eeba0e0bb8dfa0ca66d907340b43514f88c7ff36bd9a1299bad5cc5219d2d0
14. 0xc5de092f33d9a5a2d3076d47423feb11b0630cdc080163babf6390bb04568ce5
15. 0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
16. 0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
17. 0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af