Evidence row 2550546

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/5ggLwV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/be42146a-355a-4f8b-a68b-18c5339e18f1/.well-known/agent-card.json"
    ]
  ],
  "name": "Surkert",
  "owner_address": "0xdf232ddefb3e4e89c50fedbc8fbe473e09babf3f",
  "raw": {
    "agent_id": "168422",
    "agent_uri": "https://centralcity.ai/a/5ggLwV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Surkert is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/5ggLwV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Surkert",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/be42146a-355a-4f8b-a68b-18c5339e18f1/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/5ggLwV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T07:55:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Surkert is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/5ggLwV"
}

What the leaf hashes

{"body":"f234f853a784496fcb6f47a30c7e729cc120d4d8261f073f84403b0f52ab82e9","id":2550546,"kind":"listing","method":"sync.erc8004/1","observed_us":1793692531595429,"prev":null,"subject":"erc8004:5042:168422","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. 0xbd1f22658732f2ab939d9d7bd3c5929ada89d37cd9919ba1484a3abbe29d77da
2. 0x76c120986be5e9c65379d60d0453790476a2950df1ef84d50c30319efcc0870a
3. 0x8f83617f134800f49daec03bd64d988c02f5e77c2d4ee5616ebcc3cbdba76406
4. 0x8cb7adcd2c07b631708f92e5295294a97987ae77522c3a357aae7eabc47583af
5. 0xedfc67a807f9472572408fec04bf13917904016b32c63a096680c8a8661ffb94
6. 0x48bfea2f8fbcb03e65639f3165da9bd13f21224cfda1e22b7ebfabf2a010024d
7. 0x5db0c6e578b58da5065b630b51b413da642574ee8d402c47abc6e1a274c9d018
8. 0x1836fc8b4e71837284c871eded59fdaf63277209e669e420b712bb9cc6b5d4f9
9. 0xee29200bee11413fb7ba02d94ba3fa8d66175fc6432780670184a61756ca7266
10. 0x636d142360237d7490b321788e012ac21f2c61ead09077ab0e526541ec4b84cf
11. 0x92b3ca3ac74def20ef1015f5963e365eda10917369c06920366bad0a979ede08
12. 0x63a5991c187a9530e2177a341da1cf5333e53e4df48dc340dc718a9a7d54a2d3
13. 0x4b0168dc3cf75706d02e85e816aabcf4a2cbb6cd44a0eea1377f703048a10500
14. 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7