Evidence row 2188322

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/iKl4Ku"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/869e33c3-e4a3-4837-ae92-110bad71bc57/.well-known/agent-card.json"
    ]
  ],
  "name": "Briafik",
  "owner_address": "0x47e9a5cebecc01210eb9c9968abfc3716c6f87a3",
  "raw": {
    "agent_id": "120266",
    "agent_uri": "https://centralcity.ai/a/iKl4Ku",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Briafik 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/iKl4Ku",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Briafik",
      "registrations": [
        {
          "agentId": 120266,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/869e33c3-e4a3-4837-ae92-110bad71bc57/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/iKl4Ku",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793643302,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:18:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Briafik 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/iKl4Ku"
}

What the leaf hashes

{"body":"481c1cae9b02c0f1c045cecebed25f9135cc93a983609df111dc4a3df6fe82d1","id":2188322,"kind":"listing","method":"sync.erc8004/1","observed_us":1793643511712752,"prev":2187923,"subject":"erc8004:5042:120266","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. 0x57255b48065f80f596c1991b95698378f156f515667edaf575d4e1f3312d5d23
2. 0x18adda13c1572f68aef150d25f76249c0e403809c2529cc8e867e74bb844333f
3. 0x2c6bfdbcfba7be5ea4f50e570b7daaa72a8c7d1021ccd5e4d87b952f2505e429
4. 0xd065648a4e0ac320e0b88b8ad344743b47c52124d6d76b51907f63330d459de2
5. 0x27519e513eae0cda87c485d3114721fc13ccfc5b8228f47aae6758b955930219
6. 0xa5bad6793416b7668d69b69961c5b80db8118adad9090ed921cfae5c01ddd98a
7. 0xc8e477d3f46594e811df4e4403d8b3c7d28edd516fcfc5ae170436c98ef13a1b
8. 0xdaee6ff97ec87d686b9c5602d661b6f95bba4c698555cc318dfbbc3e55d84e9e
9. 0x2c438b0c56d900d51d2659de2cb4923d28934a971f9a6dcdf03d209c02e9c43f
10. 0xd282d4252e725b7500ac826ee467f8953dcbe2890fabc3d2ff70b64707a59189
11. 0xe95dfdaf0a3d21e6793524d1d8ed021601cde70c58ba543e75fede0fd55406af
12. 0x2727e7c2336a75a0876e84ae6f327ace6742a4c51a4090c4df7b9a7d293da742
13. 0xb5b32de12fac3b68a23088b6007f1052bd84011d7da80663c8664b4a4c7bcebf
14. 0xc73349c9955998a166e6e5920ac8ee0aa7bc6c9d66bace60f6dbd465dd9e0530
15. 0x52242d46cadab5f421a6f86c1edc6379b085ae98482fa80904e4a3028c1849a3
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af