Evidence row 1830815

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/8D4Xnr"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/d0b19494-633d-4e97-87f2-58ee5679f2f3/.well-known/agent-card.json"
    ]
  ],
  "name": "Monto",
  "owner_address": "0xe16ce226733224811da5705fadadfa016ee6a546",
  "raw": {
    "agent_id": "29260",
    "agent_uri": "https://centralcity.ai/a/8D4Xnr",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Monto 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/8D4Xnr",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Monto",
      "registrations": [],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/d0b19494-633d-4e97-87f2-58ee5679f2f3/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/8D4Xnr",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T21:32:38Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Monto 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/8D4Xnr"
}

What the leaf hashes

{"body":"d9dc51fa8f57a8aed79708656bd15e5666c99c7dafa77f82e7f295738200195a","id":1830815,"kind":"listing","method":"sync.erc8004/1","observed_us":1793568758728425,"prev":null,"subject":"erc8004:5042:29260","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. 0x06b9d94f62fc2cc506e7ff3528377a374e6fba0a6ec418d0aebdc090a1efa7b8
2. 0xc1d0a6ced7a698e07564d6156e29cae6edb1878aa99cc616e87d566acbfb54c6
3. 0x76add89d9af02c42b6175942337593899d215e67c553899304411d1d82c2f430
4. 0xae97313c358f9cba9db3d0f503f9a03ab4b49a1910aa9268790d06f9941b9087
5. 0xba3fdad9ce2ce8787d6ae9b16e12b4751f39f8cfc3eec77612e27584801e3894
6. 0x18bd284442f08210d75c57b8c87666854a0b7236ddd8e4b77551b6d88602ec31
7. 0x78bb6d6e68b817d86b8c94ce5d3cdfbceb92461da4879626d21f2dfa2e733ab0
8. 0x8cc1380790508c57a3e51f50cc11d58deb069045935bdfe39072fe4e24b54d3d
9. 0x7de2070e1f301b074f99f1251d8f903e76b236a50f75f4dd794aa696c9e4d484
10. 0x80f30bff379b0bdadc043c440bb6db2fd949e3fbaa67833716cece50c203f4e9
11. 0x1933507d6f34c466ec8db31b4a5d85e8d5128afe3d758d526a14d23e914b5f3d
12. 0x0e504833698abc04312a4beba98e6602297f4ebcc6ef94d56c7c823f8f4d1120
13. 0xc5ca32546ce0064b3138a27ee36e8efc96a7bb8d2662039a9f7264614b609213
14. 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90