Evidence row 2188258

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/BkM3uA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/5e6019be-a9db-4efb-ad11-4538d55242bd/.well-known/agent-card.json"
    ]
  ],
  "name": "Gausseon",
  "owner_address": "0x54862af27ef61a3088d2e25dd429f08b6ac61c09",
  "raw": {
    "agent_id": "120028",
    "agent_uri": "https://centralcity.ai/a/BkM3uA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Gausseon 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/BkM3uA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Gausseon",
      "registrations": [
        {
          "agentId": 120028,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/5e6019be-a9db-4efb-ad11-4538d55242bd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/BkM3uA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793643162,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T18:18:31Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Gausseon 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/BkM3uA"
}

What the leaf hashes

{"body":"1bbc2a4be8c4b98aee24757f7754770ffd1a596725b0e139bb2f571cf41db971","id":2188258,"kind":"listing","method":"sync.erc8004/1","observed_us":1793643511522506,"prev":2187684,"subject":"erc8004:5042:120028","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. 0x6ce6f13d4b1067d3530a57b5ee9e60a693a9d853b250208d3a89612996f213ee
2. 0x200bf0359bd72b9709002fa7f9633723866a955f2ddcbc6ae18a6d1cad4ea4d9
3. 0x7a36a802567784a24fe0966fdeb7ad76a0657fa2b9406ba17b6539e5c1411c8a
4. 0xe1d64456c24108e78b6db0243b8fe96dc311358e99ed0fcc9b6d6992d7c96122
5. 0xb1d07504a1d4564852dd4d122d5c8a7552f627741d8e49d9c68f1bc3f44e2272
6. 0x9aa00fac86327bab09905191bfeaf803ced8ea0533e14bc4803bf8b9a02cb3e6
7. 0x1cbac6e6dcc0593044685c0ea0e7f5847f2a9c928f19a21b06666f8843c73da8
8. 0x808c6e4cf6593ca469603dfde2c59cd548a047c8eb7c2fa16d01eda27b2a0a05
9. 0x3bdc5deaabaa19e31fd5b0445669e6ed74df776c429670dd34e0de563aafdc46
10. 0xe8ad0eeacd9555ed326217f2030f7b5eae5e0a513a932af688c4384ee16cae7d
11. 0x27164f3021a6e3e59e579750a4a17d8f056afbb23bc61fdc515520dedd12588c
12. 0x422f88961d8ed7b66081255345c1b55753a868cd54db340a891b83237f704da4
13. 0x9e9a25a642137f47c2c84b5e744fe2a673304740cc0eb165018b100bc5cbaf0c
14. 0xb903742c059190ddedc375958f73db84c3806732f1e54330407245d4734015f5
15. 0x2cdc73dde4ed839d7482b6b91833e64bef56c7626db8439f3bbdfcffd2ae32a3
16. 0x0e5696ae625571c52ddcd8dc09aa6c994b4ab38f2086df20d56f1f01c603e501
17. 0xf9973981f80219d4f00fa9186b40a8144accc0c9875572fb79eaea312a21a187
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af