Evidence row 2557171

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/WmPQHA"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/2845fed2-c4e0-4773-8743-916e67574758/.well-known/agent-card.json"
    ]
  ],
  "name": "Brentonsa",
  "owner_address": "0x61f4cd76db2a4704ede6360ea05b15dbe4ba7e9b",
  "raw": {
    "agent_id": "171822",
    "agent_uri": "https://centralcity.ai/a/WmPQHA",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Brentonsa 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/WmPQHA",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Brentonsa",
      "registrations": [
        {
          "agentId": 171822,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/2845fed2-c4e0-4773-8743-916e67574758/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/WmPQHA",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793696379,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T09:03:18Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Brentonsa 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/WmPQHA"
}

What the leaf hashes

{"body":"dce37cf6507c0f078ab0fe942229ae4783db5d79d3b26a0bb898bfbfdc9a2b0a","id":2557171,"kind":"listing","method":"sync.erc8004/1","observed_us":1793696598864242,"prev":null,"subject":"erc8004:5042:171822","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. 0x9b19c4928043bb290d614aa27426b0d2b195367bf57fd35c9a1114dfb5451945
2. 0x107a9d75922d6614a295e4a2e519b10e3ffb48b1769ea9a16844a90a208620d8
3. 0x26ff1aa740d484fd8389619bc27ea5b2ea3c4e82dfa2e5717b2cab5bac6736e0
4. 0x1f03e5ec3326e7315632931823c2fd9cf555572a6a9831b2b9da5a0a43e97b74
5. 0x516193a0643d3fee07d9d398637670fc25afc76e11193fe22517c30fe1360bbd
6. 0x9cef1fe1abf2da610e4fb8bfef071b37650747e74aa59a578b815382c52ca9a8
7. 0xd90bcb1723e62db796ecf0351da07aa46fef376e6448ba211cd57b342593a73f
8. 0xf56c483d5c2b705baaa036eb8bbb3bcf2d4d3eea031ba89f804d3535f9e47848
9. 0x1be3d500153c7b459fd071164b4e4d8ae46ea55fb21b3cbbfd19af99bc07d46d
10. 0xe17fb4b7e99e25c639449b879a8044b87bc6c0e45f7d35ec6e697f2fabcd6acb
11. 0x49353df77fd936722b60a60f46dc78af185d071612f24745961173107c3a412c
12. 0x01a39cb28b808d85971fcc74d2372f11a8f09a2d041f514d0f30ae5795e97342
13. 0x047541275fbded65ddbf146d04bc8eb09e9b534f8e8c3e57ae4e8bfffd8bcb21
14. 0x7657cb1e96189305f3276517cf3716f7cacdef06e4b876b60d2c0bd8b60fda96
15. 0xbdd3407977f70b26d0af6e874d984fe982a78bf95057b70049009db10e525ebc
16. 0x77587d79b39ec04901214373cabf0c9651bc2cf065dc080615a260064314c4a5
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7