Evidence row 2724705

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Q1foVC"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/495696af-cf5e-4fd3-8960-ac955c95529a/.well-known/agent-card.json"
    ]
  ],
  "name": "Kostisto",
  "owner_address": "0x493c6712805e5eabaed5df0b8afe77c73f0c21d0",
  "raw": {
    "agent_id": "210309",
    "agent_uri": "https://centralcity.ai/a/Q1foVC",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kostisto 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/Q1foVC",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kostisto",
      "registrations": [
        {
          "agentId": 210309,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/495696af-cf5e-4fd3-8960-ac955c95529a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Q1foVC",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793746854,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T23:02:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kostisto 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/Q1foVC"
}

What the leaf hashes

{"body":"d8f5859cfa52d2cbe0b453aa393c72a8dc62596126d9bedf2037b3a5bd852bcc","id":2724705,"kind":"listing","method":"sync.erc8004/1","observed_us":1793746954799768,"prev":null,"subject":"erc8004:5042:210309","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. 0xbf8cf471eeb028619c069cdfbfdbc0404e222d2c7c1411e7655f08ea0cc109bc
2. 0xace9273e7533821f9a4a016ea549b9a7cd4b9d376d54384d8e156f964c0dce95
3. 0x67a280a5bf9c9a195d0820f37df9e812dbd66878bab9a575392ed419f2a5d728
4. 0x13b26ba58a224a9f659343d5b70562ba69741e33368c312fabf6b6a43201c332
5. 0x3639757c72deb4fd9c57cbf7e71b56bade6567ba34b3908c646d1d21a5bdcb15
6. 0xd8da4bfe8244e2a10f815969c2c925a94a3cfd11e5addd7b58a0ca0e8f8b2684
7. 0xd5867c756748ff331e472b3828520f5ee23d6859a8f3e3946826a660252b6dee
8. 0xdcf38d87315e07539fa581ac7bc7c31a743ab0aa2143160193832912a34e0b30
9. 0x6bb52857907271e7f49c6b29dab331ab81efe24dabfe7c73bb2f5b7cb9e31560
10. 0x6ea9e96cd28405e8666ed9edf76c502181f3f53513d18309669e0c516333d6a4
11. 0xd452902657c19848acb63a9327bfa18dfd33bb51d4ee0c8524ad0fba9ea3a582
12. 0x2fe3e767a6f063f1532455519e42e1c3f246e86f332f9400b049370483ce0f55
13. 0x7e57bf3ad9e8414c054c7472c2f2892726935ecc1f17cf00d0654a401e9650da
14. 0xe48dd050d36f1a75a7d005677c3e962435e7b5ad246de637e9e1fc9be7665b0a
15. 0xfeca812d56a4bb476433459149c92fcd8a270bdbf2bbbce1949fb4bf7848f5ed
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7