Evidence row 2556697

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/IKqx6T"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6b058fa2-5402-447e-9565-7a932e863087/.well-known/agent-card.json"
    ]
  ],
  "name": "Niorker",
  "owner_address": "0x047fe8262bf0556d124894ca0febeb805d63dc67",
  "raw": {
    "agent_id": "171542",
    "agent_uri": "https://centralcity.ai/a/IKqx6T",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Niorker 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/IKqx6T",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Niorker",
      "registrations": [
        {
          "agentId": 171542,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6b058fa2-5402-447e-9565-7a932e863087/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/IKqx6T",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696210,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:57:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Niorker 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/IKqx6T"
}

What the leaf hashes

{"body":"e70fe3289892e54b9a567c6a36c4b79ff9317ebc03794d24c07413dfca34e56a","id":2556697,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696255173234,"prev":null,"subject":"erc8004:5042:171542","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. 0x5c604a45a40faf229b71fe0b385a973026b03b62571a19fb59ac4385dd45338c
2. 0xbd5631f96caa49bd47b2c65af4763049cd05a3854d484f8410fc2ff5a3a21f66
3. 0x464b6943d72c2ad63a32e8a3796c4e5066b3e83b5846396e7088228149f731fc
4. 0x2216f2181fe2894bbfbf05a185f0b12cd89b66b3f79950abc684b0028cce906c
5. 0xcc72e6334be110703d652d2861c717d656ab7a4bc620220b236fb24d8d334a5e
6. 0xb5752d01734217929c16b08d075f08f110f85746d8b3f4891ce9ace171dee398
7. 0x7eb57b89d967f7efe23041e4338676961bb44f52d4c6612dcce3192d331cb963
8. 0x4dd196d4e3abeed62c93414d00f73b8f13d013cefa73c55346f6500c601f74d5
9. 0x1234db5f2ab1c4411d4d633ebff1fcaa6ff71fc8df3e92d15d2a170a35415553
10. 0x90f8a16557432630bb7a024159700ed566743eabafa26a3a5760567f85c55e7c
11. 0x3afa69d314b33d4e67c709df2d8e14e38f0d5a889e4e02cf4b7912c65e9b1d4c
12. 0xeba477ec9dcd3e2896a40dfa054e1d6f277259e41f43119e0870448cdc37228e
13. 0xcf11475fb1d88adbcfc7a6c6c088c0d1cc115e211d125d8b50181219cb4beecc
14. 0x1fc4191e8f35bfa53de7e0451b776edb79a6c6dcdf333b4de5afdb414a516e3f
15. 0x335134861d623e850e919233efd5afeff49bc2ffa02948458dea325cdabfc928
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7