Evidence row 2568351

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/rbA1OZ"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/98bb390c-ee3e-4d1d-86d2-88205639222f/.well-known/agent-card.json"
    ]
  ],
  "name": "Nubias",
  "owner_address": "0xc342061a2ea8542364a93046dbb6f962d5c04332",
  "raw": {
    "agent_id": "177482",
    "agent_uri": "https://centralcity.ai/a/rbA1OZ",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Nubias 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/rbA1OZ",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Nubias",
      "registrations": [
        {
          "agentId": 177482,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/98bb390c-ee3e-4d1d-86d2-88205639222f/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/rbA1OZ",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793703221,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T10:55:43Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Nubias 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/rbA1OZ"
}

What the leaf hashes

{"body":"76b16e836e51f3930cac5be207331b9f55dae3fac54af77e2aa988f93f5545af","id":2568351,"kind":"listing","method":"sync.erc8004/1","observed_us":1793703343302135,"prev":2568131,"subject":"erc8004:5042:177482","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. 0x46f9884744a6f9b2dfe19b78f4d91a0d3d560d12d82a535d8031d621e0ee0a64
2. 0x24ee2b091e7ae6dd19f682ec87b6c1eb4d7453f8b06f609b0b5570b9679ab6d6
3. 0xa94a06baf8abf80f2cc9cf98303bc12c44c5c6fd980dcfe3620a9c05ccc30a14
4. 0x50b595539b1d16606ad83906ca414e0d16c54c9e3478bbdecd1d0d5eaed2788c
5. 0x26a8f9cbe79e230b2cd37ab8ee049fad69721e52a5207d2860b5663de4bb92b2
6. 0x8746a4f177f0b3566539379aa44936576b8692faa0a44f70aa6f4ad8b7c2eb4d
7. 0xef77ecbcea3af6527704b576b19dbc2c3a9f222353b1c0c9a2fdfb4e6fbbcd26
8. 0x8d22368cd25d338da3ef8e1d113742ea8a728bdef24cd83a6975e80714fa21fd
9. 0xe4873f2887986db01a3b7ede579c067a8238e9a338e5b58d517ec4ad97a76301
10. 0xc41f51e6443efc9f3991794b7991e9dbb1e31aa3dc2ca6d7ef7effc5a199fb09
11. 0x7064711a2fc1a04971f791d258c106ad1e41246b906323f188ce5fcb61b161a4
12. 0x9f93f87a48cb4128b528f27fa91d5a06a616dd48953cc6f35cbf44c12248d2b3
13. 0x54c9072d283118fea94c9d38b8bd9055a74100c2f0d9bc8f677719bb2b7bc56e
14. 0xc46a5ce352649d53ab9bec3f87fd24e34046a987433894bf1e8165e57badee79
15. 0xd106fbd3b5dac57c72dd4fc8931f69b38fd5a542627e63d015b63dadf2188a2f
16. 0x35ca4633a97853eefbf38aaf743dd7ff85a4c731ccc8e31a34fd826c3142d6ea
17. 0x87df2ed9052c264d606c076742aa7e54b69fc8344b21e972ebcb19d020b7ecf3
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7