Evidence row 2551478

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/u1zHOo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/1b2a8c4a-9a1e-4e5b-bc74-579f3c60b91b/.well-known/agent-card.json"
    ]
  ],
  "name": "Rostert",
  "owner_address": "0xddbb33c4c5db5438d37fd075b5e7b5cee2a78e87",
  "raw": {
    "agent_id": "168778",
    "agent_uri": "https://centralcity.ai/a/u1zHOo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Rostert 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/u1zHOo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Rostert",
      "registrations": [
        {
          "agentId": 168778,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/1b2a8c4a-9a1e-4e5b-bc74-579f3c60b91b/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/u1zHOo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793693011,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T08:06:46Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Rostert 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/u1zHOo"
}

What the leaf hashes

{"body":"c0375db2b9eca71302383b626c2603f810098e114cba58a21bb878685d444051","id":2551478,"kind":"listing","method":"sync.erc8004/1","observed_us":1793693206403253,"prev":2551189,"subject":"erc8004:5042:168778","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. 0xfdb6bbd9af441b336911af2f362e631dd17eb1afc4c55ee670063754b38117e4
2. 0x5f7df422158b52c88a8409452cc1d14e6d8f8badfc5d092a7231c4d52c5c1138
3. 0x0e71c6dd6b20f68d3d908ba11767225488c7d167445e75b43a5e54524598b1fa
4. 0xdfe76914cf93b274b4de65a050e3143019f3ad4ea224884c29fc7ee5d88c11f1
5. 0x73123a128c19f25b1d5c8cad972c0b6d7ea7b758ad95c2919c7647cc5ac1fc4f
6. 0x8be313a0d7874e56a4cf8e542fee86bd35aef4c5f4b0b12988221122495b720c
7. 0x5f296cc5c466b3f43787eadf5350c5a2f7e6a6c8ab31d457dd2d91dfba64a2e9
8. 0x039497c006d0cd39db1747baea1fb21ed651e004c36d31529c6e12694e5cd467
9. 0x0913430071bc32114e92f8ab3068ec9c9709fbd868c0b3f27a534a47f0136043
10. 0x58bb3929d987fd112e0927a3c9b260e410f621ff8d493dcf575a7b225e0446eb
11. 0xfc6e95a3aa08288dc966a0cc9b3319e1e1943030f6154b3a614ecf3eec6261a8
12. 0x9beebae23e6ebd6d6b0bb00c7002e82c7e42625499974c6c936c5fe24f9a0f37
13. 0x60079cfab9dfee47546954dca240be72c67c7307edb40b9efb6dcbc22b705c62
14. 0x271cba1af45ae2133bb70993d2a8662bbad7bb8e8e0ab720853251f29efaee6d
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7