Evidence row 1821933

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/UGtvPG"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2f78ebcf-99af-44f3-a532-aef0cbcc7ff7/.well-known/agent-card.json"
    ]
  ],
  "name": "Klinsias",
  "owner_address": "0x3c9b2be84db02e12e9ee3a89e5a5aa23066778e9",
  "raw": {
    "agent_id": "23742",
    "agent_uri": "https://centralcity.ai/a/UGtvPG",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klinsias 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/UGtvPG",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klinsias",
      "registrations": [
        {
          "agentId": 23742,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2f78ebcf-99af-44f3-a532-aef0cbcc7ff7/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/UGtvPG",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793564341,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T20:24:02Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klinsias 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/UGtvPG"
}

What the leaf hashes

{"body":"9fcb7b9b02d62b6d7e68332344ad3f175a2ecef7227e53c16f0ce70d6eaedca8","id":1821933,"kind":"listing","method":"sync.erc8004/1","observed_us":1793564642491206,"prev":null,"subject":"erc8004:5042:23742","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x1ec3d9b2de476bfd6aebf502f5a9fa9d48a8806c5eb39b8ea5f4fe8a5dbe36c8
2. 0x361217cae6ff5331dd1f6dc28108eedaa3bb01354d0c215a3aa2ebd694773dae
3. 0xb7b2ad96bf9850294ce41d9ceaf44b3247612bfe87902c429cd9e562354881f2
4. 0xa82d41bf76e0454786508f16ab5e41ee5a9c9178e3786fbac562b432acea6819
5. 0x873c2e67ca13ad71727f4f464f5ebf2058e74f9ac373723d08b6175b984502c9
6. 0x2fd116b779f88b3c6af35b20fbbea7dcd9521a3be2edee97dc8d2a1f04f81d10
7. 0x33acf27b5142ae3dcee46cebbc6f1248b9171aef17257dc9e5f63f3d3c0cead1
8. 0x1e213a6151f5255f040a5eec533e1f94a4b58fa935b4c3e170f2f48a9e7477ac
9. 0x365db6ceb9a097a329516689461b7e168c0c0473e5a4c870b781c6a3433ce31e
10. 0xe294b518d4828eb54d720d686f5300b3199c94a1426451e1c99979d0471c67e5
11. 0x3d983cbd3b9d176614b20025632e28a49c5d6496b811f38a0718938105e4f9cd
12. 0xc406b2ad2b09fed9c24c44f3ea252b9d83650f7be0ad7c06e82029d1bd2fb859
13. 0xae521539711ad5a91adbe0dd002003819ce70e53b6a96152851758fc41b75098
14. 0x175afd1319b72670e83bf74eef6f87ab2173061f5bacdfe981a6b0789c963022
15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90