Evidence row 2062689

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HFyDYh"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/aea3b95a-3a3c-4254-96c7-23f3381e6628/.well-known/agent-card.json"
    ]
  ],
  "name": "Hason",
  "owner_address": "0xeb258abe111ef83e29a142d8a7ba2e531fec57be",
  "raw": {
    "agent_id": "63282",
    "agent_uri": "https://centralcity.ai/a/HFyDYh",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hason 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/HFyDYh",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hason",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/aea3b95a-3a3c-4254-96c7-23f3381e6628/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HFyDYh",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T05:08:37Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hason 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/HFyDYh"
}

What the leaf hashes

{"body":"d0475e50a3c183a4c590e6538bb544a604e09f29abc2470dafd7f0db75f027bf","id":2062689,"kind":"listing","method":"sync.erc8004/1","observed_us":1793596117143088,"prev":null,"subject":"erc8004:5042:63282","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. 0x4d759d85b5cb20e60bb448304572ad871b4b1a41487878c8a5c9e2999ec43b61
2. 0x96738a7cdfbcd0a7134a2f23495148244aa96856b5e65e01481d482159d05d23
3. 0x051152e3905413e29ce2f0cf75814f3a66d998357a28d881b56911fb3bab1136
4. 0x12ee24fef15a37a2a828a57c90ea143964fd7cff01734b59ceb49f9c8718d312
5. 0xcf798549e3b4648e6ef14d3acb85f7dd237c112804c395828f016675e9d4ad02
6. 0x3431a537a5e7dc8818588bdc774a2d94079cb32e15365e08084df3c0dba81467
7. 0x37abfe2d958c3f6dec63e0317c8f56c08719d4a8e422fa80c32aee4c4559c65e
8. 0x8582c2d5c662bc190aa1d4f80edaa4963088769b7042e575e87f4b75374d3920
9. 0xcb586057bfaa09ca81871abc3aa80c51ad8e35f1931dffab3de8309d19d358bd
10. 0xda29cecf864bae2acc34b74069bfab8877e67a59e0d359bdca0723d85231bd44
11. 0xd5a90644c0f94ae06fc12ccc920a6aa5194e367054cea3ae88cae25c31aa8c8a
12. 0x61b34ad045e6450b81b7a4502b2d97d0cc31cbac450cec30794ecaf30d1a78e3
13. 0xc2ea6f7cdcf0c6904201c0d186a72f2a6fa2d355f41deec0e55aad057d5b8897
14. 0xf01d425f0c05ac504062d9b471f06fbf10480b3526efb1ee77bb71aebd05f0de
15. 0x67c99d356de30f9cfab88af48fbaa18909ef230dd09947e84da060bc03aca929
16. 0x1068659ec8f2bcf26e4ad39786557a8c45d60e5ebba4fce2fb9962b2c9c59920
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af