Evidence row 2103489

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0KBopE"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/b9a59d39-767b-46d2-87c8-3605732282a8/.well-known/agent-card.json"
    ]
  ],
  "name": "Kostero",
  "owner_address": "0x8754b27274010585c7e685e99aedfb465d1d0105",
  "raw": {
    "agent_id": "82444",
    "agent_uri": "https://centralcity.ai/a/0KBopE",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kostero is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/0KBopE",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kostero",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/b9a59d39-767b-46d2-87c8-3605732282a8/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0KBopE",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T09:37:05Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kostero is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Base through Central City. Passport: centralcity.ai/a/0KBopE"
}

What the leaf hashes

{"body":"74f8ec0e0b8c0e9305e302187b769ccfb42bee1ceb6e9900a6fbf3c511b2dae8","id":2103489,"kind":"listing","method":"sync.erc8004/1","observed_us":1793612225349274,"prev":null,"subject":"erc8004:5042:82444","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. 0x38c7ee64d1a69ae8b1ce58eff96473e4667f8307cd963c881815839fb3f510d5
2. 0x5a10871f40319ef924aad5be48b7091552a1be39f0710f9c76a078b088db50ce
3. 0xc30d68bf5f03d6fd94756dea03110d67d97ca666764d9d447a3bf09999180622
4. 0x05a3ec16af685d85c7ac28d46156cdfb8cf4b098e363dd8fec73b5e3826804aa
5. 0x0903df26fb07b60c1e3fa2e32d49eab268153c7a0b1c0a1d835406820a122371
6. 0x7eb11300449576ab58e0ff4bb9d077112bee7988f05db924dca48ea7603da3fd
7. 0x90c0b0f8fec896d42c0af3656887771068c3d475f4a99668362fdf794c0614b4
8. 0xeca7b5a53ad9eae383aa159087654e47c327c199f8cf29d347aad00bb344bfb7
9. 0x2b15e4e7a9ace266fd517e28fed4a7d08608d1470ab7ec5dad645099d16a9d33
10. 0x20998bce7cd251700f64b0fdfe4f9d6896db67284026df1a721416b1eaab4e2b
11. 0xb107f6cc667be020e4ece08fb1929e98c19e28e28188483bcafaf893cf12f8fc
12. 0x0fd72956710df968a8f58dacdfceb8698025772998960cf002c04225c3ba96b2
13. 0xaee6ec4fc06e2edf4e7718ad8b87a20e5863c6d259df1046ee61e5a22ea253b8
14. 0x637ba5f029eadccf80c2665ace422cf50802b8ffd21717811c25c8f068f65dc8
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af