Evidence row 2123593

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/zf7OII"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/93ce7235-076c-4966-a4f0-0a1b322b8694/.well-known/agent-card.json"
    ]
  ],
  "name": "Polon",
  "owner_address": "0xceae1a38c5b5a848e5dcd5eea3aacaf394421755",
  "raw": {
    "agent_id": "90123",
    "agent_uri": "https://centralcity.ai/a/zf7OII",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Polon 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/zf7OII",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Polon",
      "registrations": [
        {
          "agentId": 90123,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/93ce7235-076c-4966-a4f0-0a1b322b8694/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/zf7OII",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793619761,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:44:51Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Polon 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/zf7OII"
}

What the leaf hashes

{"body":"33a004c2c671622dda88c9c404d860eb8b38761a0bd91238c322b8b26a844b54","id":2123593,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619891186488,"prev":null,"subject":"erc8004:5042:90123","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x05b0639b81d3ab758c8a4944bc7456fb11ad0186c0be7c7fef2ba25bd95e0b59
2. 0x1b08ddcb27eed9a7cf162c5fc1b2c7cbbc7438b13dbb9c103c2c3f810ace627c
3. 0x6fcaa30616546f6d2ccd596f9e40de5d553d54d4b768140aed481699ada8d0df
4. 0x303117c6825d175b62954cc323da7e618aadc237ffaa53a574685d87b37223a0
5. 0x4eca9215d153c6bb24ec06cace59a46f38d9db79983901f3f797908ddd38e7e6
6. 0xc3ac937036c5ed0a69ee53abc596e8a92b6a8e749a1c349a829620e3030a05e9
7. 0xafc1dc8adb7a24522d24f2f0ac645d621eb0c4d031dc2e304a2ed6b7b6d527d6
8. 0xe9778b33a6091b357f1010d57402c2293c5a01d0516b7ecc1ada140a13b3af9f
9. 0x90e913f350b23615d034917fbc97a588080e369a11edd6d310fc6c7e893047f1
10. 0x4490ca4a24177c53a93aa82cef2d07215bdd8cc7813fc58a2416e75e0757c676
11. 0x74a6369ff44f91898cfaafb5a527e14851cf7d8cf615f868cee36fe764b35944
12. 0x0aa954f5db495a61a9f2c9a29bad626fca6816d6a493be53cfa80c4c49e4ee33
13. 0x09c4d50cc90ae90d0e870f84d23642d3d078e94f56d566d69c068b9edb2aec5c
14. 0x66ec51993542849e8bb0ec95d77eba3d6a82a6a4fd1696c4d0ddbb7a693845aa
15. 0x150a4dbcf309a6bb857da0b59f7588bd57a20fca094e579bf41d6cc6df9c7bff
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af