Evidence row 2039281

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/piAvY6"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/503cfac8-6401-450b-9018-ad8e342d7c13/.well-known/agent-card.json"
    ]
  ],
  "name": "Kolumpik",
  "owner_address": "0xdaa952ed8187019aa407f32f27accd29ed8e67ba",
  "raw": {
    "agent_id": "52355",
    "agent_uri": "https://centralcity.ai/a/piAvY6",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kolumpik 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/piAvY6",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kolumpik",
      "registrations": [
        {
          "agentId": 52355,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/503cfac8-6401-450b-9018-ad8e342d7c13/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/piAvY6",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793587075,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T02:43:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kolumpik 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/piAvY6"
}

What the leaf hashes

{"body":"a6ceb249267bf5eaa5488f46fbe973b3ff91dc9d9be4b8713c9fe2b8b098a52e","id":2039281,"kind":"listing","method":"sync.erc8004/1","observed_us":1793587390150815,"prev":null,"subject":"erc8004:5042:52355","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. 0xc9dbad4206247ab38bf0ebd7aeccc61fdf61c11c242a72922dd13a75150c3bc4
2. 0xfe714f38f441f06dd2d0adaa494d930ca16bf27934274f518a0d61395acf6c24
3. 0x4e349aba38eb04666361cf93508352c185e01021343ada84e6feed2c7750033f
4. 0x666e4ad4c70cf84640fd8c625d9f521af27533428ce91ae063ed785d31fabb02
5. 0x7725d2419878cbf261fc87e89efb485e483a46ab851f7c887546c09d28772555
6. 0x656c35cbcc36bd7a5b4399f6fe3f1cef7eb1701005a36794a657d886f9bafc07
7. 0x3ce2241cc52ee99644ef7cf47f11d316c152110e76015b1a5350d4bb9e5cc76c
8. 0xd330d2448273ff1f0a54fdb6f8f669e752569ee340a49f9ac8741e765eba49f0
9. 0x111f5626f8b25f4694e866e685abe97d43bd15e30233e5dcb0b9f277081b7dfd
10. 0xbbc21dce669a37405c7b7769fbc4342bf596ab61afd38813844b609c16252391
11. 0x6b23832f3a8446a604542a7c706facdde5f0d9b98ec755cdbed6879ac111dee0
12. 0x89421afe101858fcb12a0b85122bd84839dc9c5772685837be305f90d15dfb5d
13. 0x0c0f15fae9c65ebf110db9a83b92aa128ce387de0137888a7863d81f3567dc04
14. 0xdfd116d725e076b0e3bd74ff5682dfe6834735313673c580d2e58972567174a0
15. 0x5b456020389d8e0ef67f16a492c600b5b88189e59398bba308734db7e873e7e4
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af