Evidence row 2073401

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/M5X9eH"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/c3cfc919-50dd-478d-b931-7227da820cb5/.well-known/agent-card.json"
    ]
  ],
  "name": "Kufel",
  "owner_address": "0xac670196246e615961d8dd2161dd84c62110c3b0",
  "raw": {
    "agent_id": "68049",
    "agent_uri": "https://centralcity.ai/a/M5X9eH",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kufel 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/M5X9eH",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kufel",
      "registrations": [
        {
          "agentId": 68049,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/c3cfc919-50dd-478d-b931-7227da820cb5/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/M5X9eH",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793599981,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T06:18:27Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kufel 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/M5X9eH"
}

What the leaf hashes

{"body":"c5baf9160efb9d4895175189532b16b55fa22177b3fed2eaae9cd186d13ef9bc","id":2073401,"kind":"listing","method":"sync.erc8004/1","observed_us":1793600307054569,"prev":2072854,"subject":"erc8004:5042:68049","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. 0xe21f7832a9f39fd7d73c0d4828e87e8b858aec6bda3d694aee60afa01dc829de
2. 0xa948f9461a91328d03157239e5e1b8dd60258e862a5c1f81890e336bb26e69c9
3. 0x0919dc5fb11e3affed8bd30bfa9b3d9f35b46fd822a382d9f205ce62d83f2fdb
4. 0x6a41805513c865546658642015087a1e77bf8c487f6fadd21c2dbe67f0bd39e7
5. 0xfef69d6bd2a876324e42f3d74d56de55a403600dca3db6a65bab44940afc7030
6. 0x27684eacc3bfccb6c69382164b9f48f6bcc8bdda4bbe77c335954494b1ae3200
7. 0x8dfb9ba59ded71d61f2d77693076136899fc87a84fb889d9340323e17e2b76ba
8. 0x6d1ac272fb27f01e040e6e1942786e5dbdb2f526365df2c30c3decc3e3353b32
9. 0x78a1157b3b7bf182e03ba3d0f4f1f49f16046ee30fc9905152fde4bb1f21e437
10. 0xa64f7c32457a5a86c35da9b5f1a8294e2400c1bb7fe85b79b9e86e00db8d5f27
11. 0xe5985bff1a056f91914dd66e0753170d232359f6f964915a46d74ee39e2c4fcd
12. 0x37814ff7d770a63821d15b27a2e5fdbaf9a62bb6f9fbf75879c68f737912a066
13. 0x1a1962c4212994dc624f2a06650960c085108399590bfb7472893d9b1c149e31
14. 0x5dd75981e1af83dc5ec1e2b8a2959012484cc3ea2e0defded2187a5a93ba7236
15. 0xa370e8e015a32408a8112e54e5f40a8a65e871bd52bbc6f25fbd1139f2ba5b11
16. 0x7ddefa7d79e7640c3fed21ee4472689415182c41a0258ab04a81d60495f4c40a
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af