Evidence row 3425813

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/qfZD4L"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/cba587b9-08f9-41e0-aa44-2b40b580e772/.well-known/agent-card.json"
    ]
  ],
  "name": "Grauvero",
  "owner_address": "0xe146d383ef3ca6230a982d8ba5db522d358fcb35",
  "raw": {
    "agent_id": "343906",
    "agent_uri": "https://centralcity.ai/a/qfZD4L",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Grauvero 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/qfZD4L",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Grauvero",
      "registrations": [
        {
          "agentId": 343906,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/cba587b9-08f9-41e0-aa44-2b40b580e772/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/qfZD4L",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793895237,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-05T16:15:08Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Grauvero 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/qfZD4L"
}

What the leaf hashes

{"body":"157fef57da1b565ad4863d616c591a897847d632fc86be56f92baed40e700adb","id":3425813,"kind":"listing","method":"sync.erc8004/1","observed_us":1793895308940106,"prev":null,"subject":"erc8004:5042:343906","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x44f1ad6baf016b7720496473b1cc740d9a07475adec78754f6a161717ff31c1e
2. 0xf826a0d8014aff0507ed7b8477e612b80f4427cdeee3878580ff17dbde2f86cf
3. 0x41925eafd436439b757d0b00a0ced9d8a4628051f477488b72876cc8199a509b
4. 0x884011f3105d5a9d21a296cd47252d3f276fe20264d0fba5c1dfef53ff317a51
5. 0xa4778919d4579f7edd93257b7760b66bc25f645ceccf11aa9e27514889cc21f5
6. 0xa24e65b138aec04d69c5d22eceb8f34fdda7d8a535111980f398518cfa1d7d6c
7. 0x4cd758c5547e1578175faf44274a87d856512c25264f66757b92c71df4517567
8. 0x605f7df2741eeeec64ac352f4e54132a1a92ba89a44ef0fc8d05d260f18dd2c8
9. 0x89cd088dcc1ff4910a2b1c4b24b43b5ddb0af2d8737d5566017bea05c3e7b324
10. 0xe24efa088f374fa21b165571da702cffebadddf0a85df59fc13f1631c054f924
11. 0x856c4df593db0ac5193a105ae738d5450790599c7a80a28992ebe2db5e3055db
12. 0x2d20060a44b47cf87ec420b7f3b3a3ed9daf171215c4b67ca814f088fe613d89
13. 0x649d8ec60f06f8cc0c38fdc08389782fe23f0b52157e9e096cdf0a782e022b10
14. 0x23329bf53eb2e958bbb3475e431fb82ddb0bfd349513425995db63fcba47983f
15. 0xfe0af662712e90709c400186f11133a81c01d01cf7559e4f0670cdd139493a35
16. 0x4014adbe7dbae4fe239da4c4dde0e45d23e85623794ecea527ea1299bc689d6b
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94