Evidence row 2513983

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/q7e2Y2"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/41904643-2be9-434c-8fe5-27beee236dd6/.well-known/agent-card.json"
    ]
  ],
  "name": "Josteon",
  "owner_address": "0x9ec8b50f48e13e50c68b77f4bd2fba95f68c5162",
  "raw": {
    "agent_id": "154104",
    "agent_uri": "https://centralcity.ai/a/q7e2Y2",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Josteon 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/q7e2Y2",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Josteon",
      "registrations": [
        {
          "agentId": 154104,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/41904643-2be9-434c-8fe5-27beee236dd6/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/q7e2Y2",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793675930,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T03:22:35Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Josteon 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/q7e2Y2"
}

What the leaf hashes

{"body":"7986c74f2594028604d29c58636d27bfa77f4bb0a8feeb47050d8d91be109aa9","id":2513983,"kind":"listing","method":"sync.erc8004/1","observed_us":1793676155966949,"prev":2513426,"subject":"erc8004:5042:154104","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. 0xd21819b623119dbdffecc1a2adccb7ee5e37f77133ea5281042e9bd53b805528
2. 0xbc8fa137bd2b81d4e99b83c2f8dbe943fd8d787253e074a2c83fcff40c1b705a
3. 0x6e361d73b998a58eafb856fb8001e83a8c10be4a8ad20efeb62eeb6059386859
4. 0x93207257f33cecf8f3ad28825f541a56147e247ca66f3db3e50cae5adb456308
5. 0xa6778bff0e678b11c05fe35a81c8c35b2da50b430ffd456c1eb8cf16d3419dbc
6. 0x05f00c9f7dd5e3c87543b01ba82a500f4b5d481e8bafc02fe031606a33b38152
7. 0x612639bf7a4f83642eae529e05b2bd8448a4f3646ca78164d7e77a0f8241bf18
8. 0xe223e7c26989f555e3c283dc599e786e8a7c6cc7d794d8fbecc77702a354f584
9. 0xc0358245746095a5e10ea9fa7d9f273ae49d791d7506a27c5e9b7bc91f6e9bf9
10. 0x561af97fc08d90b6d376a7a95354316678bf780c508557db7aaa13f047ef19bd
11. 0x7185d0f23a7247b860a0d101554c01edb485c849069b4b356015d5fb46b73f4f
12. 0x84d5afe768ae5fbe85eb40b07442f838f684608bc32825df14680ecfa368eb9b
13. 0x261ca0740df5e85e5b16f678c029786a225e51713bd46a7b64085ef0d324efa0
14. 0x94b4711f52f98fdf3a85e64c6203d4ddef1de7bb28622e3dd8d8ecbb16081950
15. 0xc7478839685fed152a1d3420a50281ec80c2c7dad556230418f148fc7a02f71c
16. 0x59b3a6fae1c920f45b1445649e93c8c7d68f3f69789b0df88522cdb15a28590b
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7