Evidence row 1836664

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/0H67m7"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/6821b27d-6e6e-4c80-ab10-869a9d201047/.well-known/agent-card.json"
    ]
  ],
  "name": "Klassis",
  "owner_address": "0xc42bb9da6eea7abac57735e82ee37eb8b0ef403d",
  "raw": {
    "agent_id": "32637",
    "agent_uri": "https://centralcity.ai/a/0H67m7",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Klassis 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/0H67m7",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Klassis",
      "registrations": [
        {
          "agentId": 32637,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/6821b27d-6e6e-4c80-ab10-869a9d201047/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/0H67m7",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793571460,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T22:23:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Klassis 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/0H67m7"
}

What the leaf hashes

{"body":"a58e64cc0b1ba0e999f8e72700c4fb9936e12f5f39c9597316f49e390417b532","id":1836664,"kind":"listing","method":"sync.erc8004/1","observed_us":1793571815958260,"prev":1836499,"subject":"erc8004:5042:32637","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. 0x360791b1fa53979cf07e1806dedb7ac90e76d78c499c29afc8b55993b62c550c
2. 0xb5ed0157c1f8b9600627e7be6e2c9b9746afbbec7707b6c5bbd5241c484557a8
3. 0xf3cb9feab8e57d1d3cd84e69d12b7fc8884a8ce7966374f5a811b2f5ad92fb86
4. 0xd569bf397ce3ed796d6946d8dea6a810f404d19f3af4956b18cb59eecba04ce1
5. 0x00291843ff1da43445feb75232fa1585c0d0d91012ca9fc06a1e8de3264f341e
6. 0x4dd9fcdfae37d7729dbebdc4d53e29e02a761559f1635b863daf88e7869bd237
7. 0xa9c58eb098ab3b8624f7a0b86c6848edf8b0a0da86179e04041f4fe3196d0c03
8. 0x21f705d0f059ee5e52f4a473ec870d1d88b6000ff87c62f148494e5bf9a3704d
9. 0xe28231b097912948fb31cf5be54146467aa9a9fa59114c430716ac6c09ca80a1
10. 0x2b194d723ddfc664781dfdb9c7becb9f9f35adc1eae83910021cf486790aab3a
11. 0xfd1a0953c8b8f6b8fabce409c7eac19aaf536a8784dd854cd706365899142248
12. 0x430f2c8ba8ad43480fc5cafec26ef91c193fc91fac5d078625365e3b2ce1ff21
13. 0xdba48e0b270dc35a114639ac6d3ae9323f73a176da0f2cc0715e5a5b8f1d8059
14. 0x770f20a6b76206ceacb50b86f521e555bd27a1f27e7156c64591601c5b119595
15. 0x80b1e578d986f759ca01ea02c7a922e757a26a65318f9844ac72c5c1d4fe339e
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90