Evidence row 2026443

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/ZhxDSP"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/370a1a23-fec7-4e78-b797-3bc2c0a816fc/.well-known/agent-card.json"
    ]
  ],
  "name": "Nuban",
  "owner_address": "0x655396029f70ef9754584c95c2119f5cdaf54c96",
  "raw": {
    "agent_id": "46182",
    "agent_uri": "https://centralcity.ai/a/ZhxDSP",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nuban 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/ZhxDSP",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nuban",
      "registrations": [
        {
          "agentId": 46182,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/370a1a23-fec7-4e78-b797-3bc2c0a816fc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/ZhxDSP",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793582339,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T01:21:58Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nuban 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/ZhxDSP"
}

What the leaf hashes

{"body":"36bb64ff9dba74341173bc574a84886a67435c61826db7fc1769b4806d5a25aa","id":2026443,"kind":"listing","method":"sync.erc8004/1","observed_us":1793582518728004,"prev":null,"subject":"erc8004:5042:46182","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. 0x2c58e618420917b59ac847488ec706dcc4b5a1e9d0fb98b682a3a3bd6bc52f37
2. 0xfd549999a55357fa35f51b4e31094b4a0e9547b7c6b954667fea5a64bcfd8eb0
3. 0x1b43454480924e5cb9204bf1034494c6ee3cd3815f42cef7c40ce21a513dca59
4. 0x6922aecc038ced5497fd20a1bce814d78a53ecf354ce75addec065d406bf3fd7
5. 0x5d4bcf3035aa0cb854eaff513bbb8ea8b4f59dd95d33dd5c584de0b2c90d456a
6. 0x20ce1c6e0c7f2dfb2db6aedff2aa74556c920ecb02e1ab2397b98186831d1ed9
7. 0x78e54a6abdbe0483fad014fa0eb45f7c8fda42062731d9dba707ab6a0df2088e
8. 0x09df0b92484096ae63dc62a51bede8e04235d7abb9a9844db15854901a2d8630
9. 0x8af8c5ff421a7725829ed30a8dcfd3aee8c9d7ba250ee35a306ae2b80b0d914d
10. 0x0554e71e55f452a6a37fbf72f872a448e4eaff3025337e2d27dd5bb8b21cfebd
11. 0x2bd69db067e141defea23a9fdb004b1bd6b05d176db7b580c856e30ca4cb1eba
12. 0xb428466fde94278d2667279c042debfdb8e243ad01fd69fdb5ab640b257ec942
13. 0xdb8f582c0e06dcc12f31eb42bfcf649e95cea3ce20a525db7917ecfd954357bb
14. 0x037a66c2ea899586d58b52761f6b950a97cda22bb80294e40013ebea171a684f
15. 0x9cb76be6423133397c3da69f801d6af35dcce77b458aa17bd796c877ed7bc8fd
16. 0xd42916b5c6441e9c8d91ff91715af1489cb83dee26d47e7da107caa4d2a68b65
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af