Evidence row 2539269

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HLiuOc"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/754cf4a2-b32c-4379-a0c4-b5b7460c2207/.well-known/agent-card.json"
    ]
  ],
  "name": "Rosta",
  "owner_address": "0xb7eb4bfbfbc3a28a6fcb6bfa4d5d94c450f9a53d",
  "raw": {
    "agent_id": "163291",
    "agent_uri": "https://centralcity.ai/a/HLiuOc",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Rosta 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/HLiuOc",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Rosta",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/754cf4a2-b32c-4379-a0c4-b5b7460c2207/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HLiuOc",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T06:18:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Rosta 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/HLiuOc"
}

What the leaf hashes

{"body":"0cb104c974b97275a4a913fc88d704cb932fe8d5da243874457d162982e8b2c7","id":2539269,"kind":"listing","method":"sync.erc8004/1","observed_us":1793686688123312,"prev":null,"subject":"erc8004:5042:163291","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. 0xb544c9eb80ede41501eaa7b5758f2629bc45bebbc90ab73e3f10dbaf8bd08c4b
2. 0x4a90802576450ba14c8f38140fbee511ff30582c9ca1569eb115d0d809357623
3. 0xd18372575589d714fe482536a3b16b40f46465abcc22ad0d9e6162d3861046c2
4. 0xc4161e846a5972016524a98c35f5c53c095a5f447a4fe9b5f06ec1ea92f31c28
5. 0x208178687e6673d1b0bbea351b4f3dd197aa50ce611d65852500dcc88803d6d2
6. 0xc828a5fe9ed65993228ca239e7a08af4e54f563a4850bc7fa03e9c1fee02c0da
7. 0x0265536fc780b4664fece6d980cfd22a1d3cc325b21018fa1b54a88011dfd4ca
8. 0xb6be8d157a5d29c9201c3186527501c6bf3da64ba252cc96f676f3afa39ef70e
9. 0x0291577c9ff75941a8a267e40532175b9838018773646daf5504c8000dec5fb0
10. 0x46db66dddb54248bf1df9453bb49c748b6e3c5df949fe503988563036d310021
11. 0xa59787392fde5bafed06ee7828fafb8d0a8443b6f13f5da5f4099aa3599191c5
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