Evidence row 2187631

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/kUfXAV"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/668ca1eb-c096-49a2-b8a0-54fc23874791/.well-known/agent-card.json"
    ]
  ],
  "name": "Kazan",
  "owner_address": "0xaeb3d1ab88b0b9ebe590bcb9f82b4095d37b9c60",
  "raw": {
    "agent_id": "119975",
    "agent_uri": "https://centralcity.ai/a/kUfXAV",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kazan 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/kUfXAV",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kazan",
      "registrations": [
        {
          "agentId": 119975,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/668ca1eb-c096-49a2-b8a0-54fc23874791/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/kUfXAV",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793642903,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:12:28Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kazan 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/kUfXAV"
}

What the leaf hashes

{"body":"651cf15f3efb5565d6d098f0bac0e92989523991604df604f1cc40fe750603df","id":2187631,"kind":"listing","method":"sync.erc8004/1","observed_us":1793643148391741,"prev":null,"subject":"erc8004:5042:119975","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. 0xec55d3697dd28d3797f288b82920cfd59d2540d84a94371f4b4615afc62e6258
2. 0x8bceb5ee43c779a96f40def8874de386c951d354e893114f77d39c61cfbbe4a1
3. 0x69bb828ab7239a75cf310d32a26520dca32f062c19420ca8f76d2f0a625f6a46
4. 0x4c1aace61e06ca80aad91ed75d63a96ee0e5b5559ed4f06578afe5f18b18642c
5. 0xdd3c79f430198df7c68e1a27071a12e5a0b0b49a3501d3669da3f9b2dbaa3cd5
6. 0x0ed1125d4529cef5f8e4551dc91c65cfbb2e272881f7876b9ff94e0a780be76a
7. 0xe83dde271f1ee2eb28b76063bcf65d552b4a6d3b18fb8192e8a4604d1ed13262
8. 0x78acd02ea060b6ab998349732bf4ab06e075760879b02408bf01290b8939a4ab
9. 0x2d085ad8bcac4775449067a43115329f700038b5cd69ef3ef48839fafa4b4f9e
10. 0xbdd573ee488a5ff5a257ef44b4df774807f53d327a36eaefda9df1eec394bbc8
11. 0x199bd74f6c0504f89ecf1c08bbfab43f183a284376d47dd35e2910661e3cdbda
12. 0x003935e26459cbbc36612e09da82fb445f0b8844d8b644213247fd0844b7407c
13. 0x56222576ccb9eb1523f81d1cc3cad919b4c5bb42ade03a1c402e7008640051ad
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af