Evidence row 2620218

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/HmJoO7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6ea00ce9-f89b-4d3b-ac73-56639c1ffd5d/.well-known/agent-card.json"
    ]
  ],
  "name": "Nirkel",
  "owner_address": "0x94e1ea122dcc8a92ab95f1cf1a2f5b09b9de1db8",
  "raw": {
    "agent_id": "197611",
    "agent_uri": "https://centralcity.ai/a/HmJoO7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nirkel 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/HmJoO7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nirkel",
      "registrations": [
        {
          "agentId": 197611,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6ea00ce9-f89b-4d3b-ac73-56639c1ffd5d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/HmJoO7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793728371,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T17:57:22Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nirkel 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/HmJoO7"
}

What the leaf hashes

{"body":"37b51b57e5a64b3305f8cf71393e63dbc1a1add32ab00e37eb1a024cb545d3a6","id":2620218,"kind":"listing","method":"sync.erc8004/1","observed_us":1793728642583806,"prev":2619878,"subject":"erc8004:5042:197611","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. 0x666fe1588f95da61dd0802186bbab21c4c395ed2810ded69a6911e12decdba5b
2. 0x2d8cb1127fd79f4389e5d1531adcf9be86e2016ab0e0e01aedfcd76a3f59915d
3. 0xce6345cbf86655ba46df06470369f4d62fb0bdb2c9359fbf68a0b9765871b89a
4. 0xc37ca439cc8a9457a887f05bd9609e609bb19ef49b1b2fc16702e6597df4a9b6
5. 0x8e5c8216c32fbc57cca79e287728390de8b8275d0ab4b0151800ec3704052666
6. 0xfdb2da91a3f11bed9382bf5c5c434ab688309d6116d8cafcc2b5f23870ae33be
7. 0xd480e038d3e265b68970265a9665b10d9fea6cba425180fd2a57ad71ec6981d0
8. 0x596aa28396590a5da2711a7c2e5d0b7588b6b51caf32db3652155a4c48add772
9. 0x18f10ec7563b97c2534ec54ca0611bbb27eb4c5cfeec63c160b380de011cba12
10. 0xfb5c60cd74ecd4d1e7750a538ff04e5a4f4b63f51f9729fcff85c632c9a36e04
11. 0x81e532ae2d0a24fe1b441de7cd567d33f321d6727dfe66837e725529c1cf9d8a
12. 0x1afcffac07889ff89c585e14a13281f7d2d378e1248a75f06d54029a2885d90c
13. 0x52c189e90e4b72108116f47d43eb5a8d0a5079c20090bfabc8c2e23ac7ec8019
14. 0x7888f4af6f2ce9e8a2789d6262f3507d19501a0a365770aaf709515f60b6e8f2
15. 0xa8458bc8c8ab1d4945ab9da0d4203ddba2468a0fef808e9febae01e3e86bcd40
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7