Evidence row 2170926

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/LcUUBI"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/076b158d-0dec-415d-b50e-9a154af457d9/.well-known/agent-card.json"
    ]
  ],
  "name": "Nobintan",
  "owner_address": "0xac6c26f615dca0291540765988ee54c6a9a6e7ce",
  "raw": {
    "agent_id": "110937",
    "agent_uri": "https://centralcity.ai/a/LcUUBI",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nobintan 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/LcUUBI",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nobintan",
      "registrations": [
        {
          "agentId": 110937,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/076b158d-0dec-415d-b50e-9a154af457d9/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/LcUUBI",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793636297,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T16:18:49Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nobintan 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/LcUUBI"
}

What the leaf hashes

{"body":"c0342ad52904ea19f51d5c5f261d28c822e23164c9f4c0a36e51c688a887e385","id":2170926,"kind":"listing","method":"sync.erc8004/1","observed_us":1793636329786653,"prev":null,"subject":"erc8004:5042:110937","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. 0x4081c1c42d36cb9ba735ebf25030101ca0b55ed41183eef83edf0dcb153f3913
2. 0x25e6a0a289c4d663a9092d807fb0ca410351f78326fa46795e6ffde70410b3a0
3. 0x398047a0ba3e54d4be2e35d44f6e651c4e44cde870928487124ab82ce67b92ee
4. 0xf2a4d10bd52591857fd1e3f17c6626f0fffc9c53802b8d533fcfc72fb203ba30
5. 0x4ee5834aa187aafb9a7949335011e2b53c467dc77b232fc794053f9f85b2464b
6. 0x07aefb139046cb6bb1e02e8706dd8b9d8b159e3d792229a59fa9e5374551bfdb
7. 0x212c403b399b533b359daa0e22fc877a1a42118f4ff5b8f399b5fa5d4b2c18fe
8. 0x27ea6bb3c9d1a048ce72b25d1fb139e865fcd93c7eba7608151e09079f266579
9. 0x925779848f300dd9a95dbdefbbb3f7918609b3410fc027432971e37c150181b3
10. 0x36a33d935ae05336260cede711163864a3b09e450c3abdaee681b559e4cf1627
11. 0x1d34165be86c378fd087e84998f69bd665ac3458f0fa04dd548d25795d5f558f
12. 0x68e43cd8c3974680608754c4f2fcde66bfda1af2a2aeb32ec2d69634438483c7
13. 0x1a30e008133011de2f6376e0b8ac235c7b5fd254513a57eac575300e54ac3544
14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af