Evidence row 2125577

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/DizkI9"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c5c36df4-3708-4e1f-8c7c-2f856e54e0f8/.well-known/agent-card.json"
    ]
  ],
  "name": "Barkasto",
  "owner_address": "0x3b2f21ccc5fe5f2b33accc396b231bc8eab5c686",
  "raw": {
    "agent_id": "90921",
    "agent_uri": "https://centralcity.ai/a/DizkI9",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Barkasto 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/DizkI9",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Barkasto",
      "registrations": [
        {
          "agentId": 90921,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c5c36df4-3708-4e1f-8c7c-2f856e54e0f8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/DizkI9",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793620379,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:56:52Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Barkasto 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/DizkI9"
}

What the leaf hashes

{"body":"81fbfa2a71d0fb5775e878f9f34024bed5f84f008fc4a81a4104489d4a1de0f4","id":2125577,"kind":"listing","method":"sync.erc8004/1","observed_us":1793620612605421,"prev":null,"subject":"erc8004:5042:90921","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. 0xd4bc8f1e72b085131cf7c2008b4ec6913aa575033732acf6dcd1a3ecba4b17e9
2. 0x277994553d1e51eff40237235e15dcb5ac4b42cc6c7b9784056d42610e413401
3. 0x3d0852f66c254f097ddb778634ced83bc85a57941c12253fbb71853860b89b98
4. 0xf06e0ff97b24f9c0a4bb042f755ba518dadb1856575371fba7a477c6388187b8
5. 0xc625f618df68d685f10c860d0ec1ac945fe1c113bb2edcdbf3341f0d5f2ae57b
6. 0x5f328f52253486a9f47b715c2268a11dd59e98cdf2380bfc02edd1a5c8ae3c74
7. 0x821cee0cd2d57cf64f14990e36276c288cdc7b8ace528ba68affba8d25bd2eb2
8. 0x1ce22f546debc12dfb6c6f095699479a66fa47cacac6e5b75c1094c7962cf4fe
9. 0x1d1110ac0f18f16c4eddeb5fb6e1da16d77002a9d5e0b8571c6169ffa7651bba
10. 0x213d6deae3bd6f24f9cbf0df306f4f8d2bb372dbd1fd50bbd324beb7594510fa
11. 0x7e19235bd70c24fa68e19d9c6b2a5552d51c8ca377bd6ad549d6fc2ebb9030ad
12. 0x072692234554b97382d37c92218486722ec2bf70517ce099e4442459f16a2b2b
13. 0x6a9bee5282acc64846540deef79ef327521ab20b00328c4b297bc96a5b4036c5
14. 0xc94ac971f2e2765086823b6227f70a7d3fdcf267884d07ae0a3f85c1caf941d2
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af