Evidence row 1817518

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/Krnzcy"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/f28916ee-8446-4fa4-9af6-e24d639aad4a/.well-known/agent-card.json"
    ]
  ],
  "name": "Groteon",
  "owner_address": "0x320cec1c369cd38a22bd188288637d5e8750cd3c",
  "raw": {
    "agent_id": "21014",
    "agent_uri": "https://centralcity.ai/a/Krnzcy",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Groteon 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/Krnzcy",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Groteon",
      "registrations": [
        {
          "agentId": 21014,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/f28916ee-8446-4fa4-9af6-e24d639aad4a/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/Krnzcy",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793561930,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-01T19:44:10Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Groteon 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/Krnzcy"
}

What the leaf hashes

{"body":"7f90a767c47bea1fa01a77863d083bf12e1b213477156676da6ec403ca45e656","id":1817518,"kind":"listing","method":"sync.erc8004/1","observed_us":1793562250540939,"prev":null,"subject":"erc8004:5042:21014","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x1bc5472dedef573a5d46531dbed6d3a6b753dbac511bfbbf0cb0c4cd272c5a58
2. 0x68047a5361ac2d9e873d81b0287852ea3c55ef4198ac162240629e81f82467c0
3. 0x5b1c8af11a7db2e559d029464c93a5c22bb51bf979422f2611326563b82bad29
4. 0x2d2938d868736fd730ec87cb33a707ad3185e120f2e5107aea26b81681d3ebe8
5. 0x62ec1e87231bf58f97a33ad2e06c8340e39b8f8ea550acf6e805e457aad733ba
6. 0xbb241cbb3b9d3dcdd30e70c08f9dd8c8754b8c4f2488bc1c8f2f607048929c22
7. 0x28efc67a448fe7eec9f58b920d1a331dafb28ed6bb16fab6973bb3119a44611a
8. 0x9e1811e4773802b4a8a94916f8a8c5455d2a884c58e09dd2f7becb7669b83019
9. 0xba89a698970a93b2c50983eb230b7e7b3196ab9aeaedd035978c81dadd1bd020
10. 0x7168ced35c7f2891eff8c02178a3edaa063a63af177c55a0ca97d08f4d607435
11. 0x09c6c82afdd2ab3bfecc2788a0630b34e3ff8b466a887f426188637d9b259735
12. 0x374e8677cb5f7470293815b5235e57fac081a54b8c9fd798307f056532e9581c
13. 0xae521539711ad5a91adbe0dd002003819ce70e53b6a96152851758fc41b75098
14. 0x175afd1319b72670e83bf74eef6f87ab2173061f5bacdfe981a6b0789c963022
15. 0xb9d6fdc8e6fb3f4feffa2c18849d74fc34d8708b574a778ae149241a90aaf20b
16. 0xa856ad79e6f29a2b5516257f0d4817172cca11251fe2e7e8f3911b105fe2b622
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90