Evidence row 2072797

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/7MkfxP"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/ecb6ab73-930f-499e-87f7-14f80c15f8e0/.well-known/agent-card.json"
    ]
  ],
  "name": "Hubo",
  "owner_address": "0x3b830f510340f3ae64dd81b533a71efd6d8b9753",
  "raw": {
    "agent_id": "67992",
    "agent_uri": "https://centralcity.ai/a/7MkfxP",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hubo 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/7MkfxP",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hubo",
      "registrations": [
        {
          "agentId": 67992,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/ecb6ab73-930f-499e-87f7-14f80c15f8e0/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/7MkfxP",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793599831,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T06:12:34Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hubo 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/7MkfxP"
}

What the leaf hashes

{"body":"7febab35bcd5cb4aed3735d39c06fd100b850c916d1ee53dd256482e9bb82fca","id":2072797,"kind":"listing","method":"sync.erc8004/1","observed_us":1793599954347807,"prev":null,"subject":"erc8004:5042:67992","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. 0xf993afc7a92f41cbaad67f7f0f77ff8733cc1903a0dd067797bcd67ebf6594fe
2. 0x5c63c34e04bb65cf68da1a6582b7462f214d1b1025f156c1dbf997c5f74e3232
3. 0xd6669bfcdd67ae6399e20b85cdcc339547811c78cd5a72b5ecb6dd32118102b1
4. 0x9a2fa9b1d326b33d77ce5ba3c897ef025917b5e2406b20c739831108547c53ad
5. 0x7f25f62575435e20881f51e15483bc5f252d29fce2a8d8d0a55290517e89a593
6. 0x0cff15a6a95526c4f4fc45d754b470f9f2aed437d4928504e2d896729a58d8fd
7. 0x408f152962cc16567a2e3e77776a150fcc1f2c9e007e934c14379fce6b6efe6c
8. 0x0171a80663ac0ba52f38b3641ea693cd9d7b47ffbc314309e875c42163e7ff09
9. 0x945cc751c4efe419fdfa3d55461ae611bd051958fb52333b071b8fdbd6f4d239
10. 0xcbb7c4d0be70efbac471581749129646430fce3e62c107905e7dab344a879662
11. 0x970d788628a2aab375b740c38912b7f9464ff8408af024aa4d0b6806706e8390
12. 0xfea7574ec60f475e652daec0e1e276065664b34779fb7d45aed93f03f922f668
13. 0x89a7b363610c665a6d371ca58d69c8f4bfe13c5c1cb1ef833fc373cf504e2e58
14. 0x70f4b5a4c6a4de9977aecf5fbe7497e271e9e2f9e5068c7dad5953e8fe898b30
15. 0x4068a4306db47ea0eae5f76e5137753caa3dbb132dca6a61a4d6c1838a52700f
16. 0x25127db2e775737b2874f6a159f7c1bf984317eea6482e94589c3ef4c5ccab32
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af