Evidence row 2172605

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/vs4TEN"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/35199d5f-7bd9-46b5-a0d4-500f1239a8d4/.well-known/agent-card.json"
    ]
  ],
  "name": "Fontus",
  "owner_address": "0x51bd446452364055847fe334b518b6ba6f6190a6",
  "raw": {
    "agent_id": "111819",
    "agent_uri": "https://centralcity.ai/a/vs4TEN",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Fontus 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/vs4TEN",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Fontus",
      "registrations": [
        {
          "agentId": 111819,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/35199d5f-7bd9-46b5-a0d4-500f1239a8d4/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/vs4TEN",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793636688,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:30:42Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Fontus 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/vs4TEN"
}

What the leaf hashes

{"body":"d4ebde1582e9a60158339e1dac894d0c3fe184f7f3ab399071252f7f3c68f04e","id":2172605,"kind":"listing","method":"sync.erc8004/1","observed_us":1793637042454433,"prev":null,"subject":"erc8004:5042:111819","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. 0x3d72ef63ae1600fa053ff5733b8e2f30fd26d55f4ef528a97799db48915f5137
2. 0x9050595f4e3426c9c9ca4f510ed9db594ca81dd573e4b316763058ea8ec444f9
3. 0x0615351bcc1bbd5b0f9e7ce0ed6a22c31f456d557a658ceef506ddeef0b1eac6
4. 0xa135e8ca10afa102f10d939befa8f7bd847233028db2240fa14c336fbf98eaaf
5. 0x24ab26ec6a173153bac31df94746d594f2df5ca8e909b5d5600becf3a56ea69d
6. 0x892be7bfa3dc31d00fdec21ca0264c83bef50f86780fa14a1d60d025326d3eb6
7. 0xb4b016ab14167e3b036151d27f51ddd564a9a6b21953b94141fc756c610b0562
8. 0x4c8cf34ae12454d104dc8ab4dc780c5e0c656acbda361668d03fdb11b769ab55
9. 0x8d9fb0099e3f4bca423c93119aa11006f7aa5b235c9895e9a1d84a4b7680a492
10. 0x67c3901a320204462f297576a623147387a8402b47fc0a0fc66f021286813223
11. 0x2be848cb86d72c2e582fe1d0a7c67c075a60e3819be24b46432581c3db979e93
12. 0xb1c944b99390ba5175965090f5362380c7485dc911c281e22b9c18263ec8c4ed
13. 0x361907c755dedca0a2adf05840c4c503b2c9a3af060e2659c8c63c2a1e438de2
14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af