Evidence row 2300942

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/icQBHL"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7a816e93-d704-426d-bb8f-2e5b45d9133a/.well-known/agent-card.json"
    ]
  ],
  "name": "Klassero",
  "owner_address": "0x613e49c73ca0eaedf35318efd74e7a2028eed2ec",
  "raw": {
    "agent_id": "141471",
    "agent_uri": "https://centralcity.ai/a/icQBHL",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klassero 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/icQBHL",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klassero",
      "registrations": [
        {
          "agentId": 141471,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7a816e93-d704-426d-bb8f-2e5b45d9133a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/icQBHL",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793661770,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T23:28:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klassero 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/icQBHL"
}

What the leaf hashes

{"body":"d1830c067eb8c7ac3776e9b9fa377fb112e097c6143e797db821b543168c449b","id":2300942,"kind":"listing","method":"sync.erc8004/1","observed_us":1793662089139035,"prev":2300416,"subject":"erc8004:5042:141471","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. 0xd37bdcccda92aea82678bdee56faca9485f6d802479c0894f41782f857f2d993
2. 0xa8131fbd392b8d6688b8cff265beb51fc4baa0f047d05cc44720fbb7d2f44c0f
3. 0xb2c9384fd1c05f5a8fd37bd95e8a828326b2e443cb80ed58f6517f8afb8e066a
4. 0xb14cba95e5eb5ad2340e2d40b74c0bfd47d15493724ef4bcdaf1f2c679e14f7c
5. 0x420cd292b9378b6217d75ccbea4b1c9b26844c92c5f54f3dd3e1bcbb29d7f460
6. 0x22bb0d4249439ff06f492318d77bf0e54790951fb76b8e8996f5bd304e83e07a
7. 0x709565428103ba0c070b58f448a76ccab23fde6f13ddfcabd893d8c8d02d0844
8. 0xa6bab828c08606e043d48cee636589b2f95dfe22ff424fd34ea5f36a48553a8b
9. 0x5dded956054b1763cd37dc27c37a26f0498689c3153b4e51602535162d1a63d7
10. 0x4193e4a320f78e5bd04498c1390a3ebfcee2cf1a0f7791b41c4576eaa0b1880f
11. 0xe8991356b57f61ee2ea8bb7525ad6f64ea81c6a8f5558f476a989ba703a49bf1
12. 0xb81130982c0a1978797ed8bd05b775797db9de4bc7447436735c39b33fac9eac
13. 0x0ee251e21135d18ee3004d16c3618e1f970e8952654b422f2554f8aa0ae09b4f
14. 0x0a363925e7ecbf308dcd4c5e94385984a43aafeb977e419f632e8dc2019e0553
15. 0xa9134f4ed9cec34e13ba243b6a51db73753dbbb3b48c63bd82b22694813d2b02
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af