Evidence row 1818150

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/pZNdun"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d52d43cb-ffb3-4c94-a596-1a9476124480/.well-known/agent-card.json"
    ]
  ],
  "name": "Kassisto",
  "owner_address": "0x764632d3e4884dc01eeb037063c240ef11b3147f",
  "raw": {
    "agent_id": "21413",
    "agent_uri": "https://centralcity.ai/a/pZNdun",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Kassisto 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/pZNdun",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Kassisto",
      "registrations": [
        {
          "agentId": 21413,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d52d43cb-ffb3-4c94-a596-1a9476124480/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/pZNdun",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793562292,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:49:40Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Kassisto 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/pZNdun"
}

What the leaf hashes

{"body":"a6efe4278ea87578edb34adea30ac0fc8f0f1227e10bbc037b7ad2e50e7d25d3","id":1818150,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562580996032,"prev":null,"subject":"erc8004:5042:21413","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. 0x3eb5c4e21e4b13cde53f1a4c1ec4d0a0ef6c4ec27176d9ce5798c6e77e633fa0
2. 0x1fde5746adb5aa0fdeae34d3cf27acfdb030018db8d120b9d986c6fbaa21e8e8
3. 0xc5d74e3d7fa833bb3b19854cf8ca15d9cfb4a9fc7006f175827c5875febb8b70
4. 0x0caf8baf52fb71b04b7a8574f94b9c74c051f866ebb4cd98f72d1ecc1eb3132e
5. 0x22a755755affaed263d8dd388327586ab76bad764468fc8b698ee2bef6cd8138
6. 0xbb082cddde51f3d853dd265d53e36e75867ec585cf9c243e2cf3af45d0442d49
7. 0x7fca0cc5aaf24c1f3eb03dd19367b0ad27bc28aca946bc6e4d1003a31eacc427
8. 0x13d79922a0218f9c43806fe29075d23b1f5592b4722454ef49cc72dd417b24ce
9. 0x60aa1c3d42c1d6364ca87ea478c98834755ac4bc9df69767e0cee9e75b5abe4a
10. 0x24595add01eb8f8d81e846eec8e9fa0921335830484bbd4bf95681784ccf971e
11. 0x82697dac18cfd6ecf729e8901037c64c867395187215a432f803df841cf51cb0
12. 0x91a4b12cedbc63d317eda5df4ecfab1c5037817632886e1e87dfd460fac32769
13. 0x7e36f1798c3a2f578449379de5c371a2ff47d094031d82679619a09cb98f8d31
14. 0xafcf38f796fa072123f5d525a88fd2fb85646ecc6e7e9a763c13179738711c9e
15. 0x9518f8c5450505f008d5d964f03e490f2bbe4e73e8c89384cb6b935788ff2107
16. 0x00ec7149eb024693951d82cb635dfa183f4f34dae011e77ba0420a38a378e0aa
17. 0x97f6f39e601b6ef0e47b730aa0488b718c0d7882ad840342bbd7d3a705a1b3a2
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90