Evidence row 2620708

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/cZC4kb"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/7be2dfac-0cab-479f-a823-cb05abeffedf/.well-known/agent-card.json"
    ]
  ],
  "name": "Biomomano5",
  "owner_address": "0xb1f8741fbb31e504f6d51db50b8f59e1f13e7bbd",
  "raw": {
    "agent_id": "197933",
    "agent_uri": "https://centralcity.ai/a/cZC4kb",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Biomomano5 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/cZC4kb",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Biomomano5",
      "registrations": [
        {
          "agentId": 197933,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/7be2dfac-0cab-479f-a823-cb05abeffedf/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/cZC4kb",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793728792,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T18:02:54Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Biomomano5 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/cZC4kb"
}

What the leaf hashes

{"body":"889b8a35a6cb38c288db6ec67f8b6e66b648a8793f74e1a96ff3944910aa5e66","id":2620708,"kind":"listing","method":"sync.erc8004/1","observed_us":1793728974085453,"prev":2620431,"subject":"erc8004:5042:197933","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x43aae59e11e07c89900e8e3c1db4d821203f5edb42938d85d672b21a9b7cb71e
2. 0xcece47936fd5a711587b6933429b87d31de800c873c930a721bf1688deca0656
3. 0x5f5b9046488197e8d90423bc1ef283dcaca44e6c695fc79091e7b16173d5d343
4. 0x98848f62d565c1a690f758f94d2fb51572a8d359e9434fb699183d4c2cb96572
5. 0xe6071a3c1a6424d32408cad0d71e3ba7db8ba33cdaea9c2b994ca61000ad5d50
6. 0x406bb4dc84cb1adc425d10ea1c36b3f3c2a7008ed385dbf19e5f0c667dbda1fa
7. 0xbcaf68061cb385423f60203a2d77dc5385ba7bacb7a10d3bac09835656579f0f
8. 0x3e640212f60b549cf19b38b6d62fae76ef23ab6eb8d8f7c8c1167cd9e2052f44
9. 0xec3ad4322003a1afa0dd952bf8c79a78cf1b7568b6c5c46c4800b53211427fc8
10. 0xd43977f5d38928fc93ce9b5755c4e86754135e5e703f5762acd12a1854665ada
11. 0x1a5167ef3aa26511e3aa8e5cc33571a670299f279617dcc3e99ae6a801fd0b55
12. 0x1979de8ec5c2f5181ed10617648e4cfd9a76338606463edf56d965bb93f9ef9e
13. 0xcda9afbf6d521dd006295916d12948a467a90d542e8d2f80f42339b4f83ed5b1
14. 0xb86edd36717aff076ef26c04db10a77f49a2dca8367fae52e69b19705922afab
15. 0xeeeab58fe0869203702d6caa20f3db31453ec2f4ac7b99890f0842a5616a7f99
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7