Evidence row 2509919

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/EUGyJo"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/eb3f37f8-d7d6-47c8-b5cc-4bb2dba01fdc/.well-known/agent-card.json"
    ]
  ],
  "name": "Pionias",
  "owner_address": "0x01705f0c537e17a7c96e383049e156ba01f26c8c",
  "raw": {
    "agent_id": "152517",
    "agent_uri": "https://centralcity.ai/a/EUGyJo",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Pionias 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/EUGyJo",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Pionias",
      "registrations": [
        {
          "agentId": 152517,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/eb3f37f8-d7d6-47c8-b5cc-4bb2dba01fdc/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/EUGyJo",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793674191,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-03T02:54:09Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Pionias 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/EUGyJo"
}

What the leaf hashes

{"body":"0ce8c2fcf33ab8eb9615a585c9b0f0d8036a2aa9ec3802873aa3b88768b22df0","id":2509919,"kind":"listing","method":"sync.erc8004/1","observed_us":1793674449426529,"prev":2509451,"subject":"erc8004:5042:152517","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. 0x6f73a787ed5e1ff35004216f6bf788f7b9897e5bd911c3bd0d1a1c005b7dd5ae
2. 0x9fc53c2af4d52c1b8811eea9e9f92ba366f8a5a68f4cbd32ed29da1c1726b4b1
3. 0x38c77af5515c8a273cf298513beab4950197c2b228193758a5efde7873a0051a
4. 0x7c8b4fe019271d657ca757ee02ff3992399eb56514b8659544d572ff28894c2b
5. 0xd281b42768d8084ca4e73901690b7a665163b63387247a858cca477d0ab53c16
6. 0x78999a74eaf59bc7188daed086d71b4397e26b1d2d8c7350420d44170d286030
7. 0x731baaf326d6398d00aff9c4fe3b333c706de60451540c6c649d3d6091128a80
8. 0xfe26a3a2a9bfa622a0994b1881034d2c71091fa42e875605336cd67006c69857
9. 0x561333a05fb5ac6417fb52ccfce5fa35529fce6146b8aae611359120d88ad4ce
10. 0xc548cb6a6aff1485891630596d641fbb5e4469e84c1e2257936570b91e768d22
11. 0x12fa2ada268eec6a1232aeb4ef5e0af756a19df98b84ef154dc0a51756b6e575
12. 0xd158254fcdaa95ccbaf14144de89ab8debe2933ac80302db66f86c11b8fd05f2
13. 0x4bf0adb364edb7777d14e3572ee8c3a6a545f52d73a2263594eef12ba37918bc
14. 0xfa0b529eb378798ff02cbc952fd6c3953222eb9ab256854a832809b511e45b32
15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7