Evidence row 2120945

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/GNxv9I"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/e85ba2b8-b1f2-4b72-8abc-f49977e593cd/.well-known/agent-card.json"
    ]
  ],
  "name": "Grompet",
  "owner_address": "0x2c090299496ea4ea81b5838c3b2cd22a64ad6044",
  "raw": {
    "agent_id": "88657",
    "agent_uri": "https://centralcity.ai/a/GNxv9I",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grompet 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/GNxv9I",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grompet",
      "registrations": [
        {
          "agentId": 88657,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/e85ba2b8-b1f2-4b72-8abc-f49977e593cd/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/GNxv9I",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793618810,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T11:32:47Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grompet 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/GNxv9I"
}

What the leaf hashes

{"body":"59c551c3da7f1d897bcc88a05261dd53f2fdd040cc028eadd172ac98be8475da","id":2120945,"kind":"listing","method":"sync.erc8004/1","observed_us":1793619167271914,"prev":2120253,"subject":"erc8004:5042:88657","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. 0xfa2bbf6473dd53b02b831b593a70e72bcdbef13716def3178d1dfa9f7bef14b9
2. 0x4f95d7b6ba869719cf52b17da5124f00c40427dda92828a0770dab22eb655481
3. 0x504aaca9d0693d903796fba88a792cf96538ab5d6836475be42b5637e88dd2a9
4. 0x9334840d0277007f59a79c9380d9bab5aa3f770d3b3f6409ec25b422409b2bc4
5. 0x99e199020c57d89be4cae7dc96be9c5f7f1eab7d1fb25cf6916c577d1cc520d8
6. 0xc11e8f517090a254475e8f377e38f9d965eb1e1ca5fd5d46ae41a6f8acbe1d1c
7. 0xf423af26ea08eef5f2ee707f0d6a34cd88c5500895b5bc25ac6447a543c77b4f
8. 0x7f477e1ab73fff8f581ec571b9963f07131467a0b3bc92a569eebd56da6389bb
9. 0x03d7810d97b885242ab73f49e6c0d8a904ef75aaa9460d12bd8866ed0cb46372
10. 0xad51b100e0474f980ac99b80465855444646cb452e00cf5d530ced5c87cef79b
11. 0x9dea2992b53b56559fc7c91f9ee11f08c968629297702124ebc8529836a8b37f
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