Evidence row 3986879

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://laposta.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/laposta/"
    ]
  ],
  "name": "Laposta MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T21:55:31.207682Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:55:31.207682Z",
        "updatedAt": "2026-11-07T21:55:31.207682Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Laposta lists, members, campaigns and reports; add members and build campaigns.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/laposta",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://laposta.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/laposta",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Laposta MCP by usefulapi",
      "version": "1.12.5",
      "websiteUrl": "https://usefulapi.io/laposta/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Laposta lists, members, campaigns and reports; add members and build campaigns."
}

What the leaf hashes

{"body":"e5dbbd9c4eb1e6091d435b0b3ed0ad87d2efa02dee39780f74cb20e52113d607","id":3986879,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090325961311,"prev":3958110,"subject":"mcp_registry:io.usefulapi/laposta","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0x1d1fdad924b2e5b8620d3598893fc3563ef47afa800bac891563544a09b6da92
2. 0x243f06178bd3ce41721ac9dbfa85501f4bc99cd1c0786cb27b691012a2776c9d
3. 0xacf272cbf8361bd05156740a0ca1cd9543435e2397f5779dced93ce217c68f03
4. 0xeefc42d87f0a7f6ab9ef475ed83472093f5a69daf7b5531d86e344316d79ba90
5. 0xf83722d0f77cf21f07fdb4133f494a483420e3c0182209354658fae04d612cdc
6. 0x804987c0439c543a539d6b69c5e9c472e3ea0a9c67f0eabd516df681d400da10
7. 0x5929e97d4d11447d0db1e156acde0a1d525d1b684ab882fe2b6aef29bdf40b99
8. 0xf6db333a19b5f885c2565cabe5e02dc424b965b41afd32a955cddd7954d65023
9. 0xa2f6052a50958ccac54a58405ccdfa4e3b011490c51f00e04ec0bbface4d5080
10. 0x8dd22d43eae605fbc0a2fbf4ac3eeed3eaf1044d1acfb9cfa14a229fbda815a8
11. 0x5f4246bdeecb81a9746fec53aa17a84838b125d128584fea8f677616c9a3e7e7
12. 0x8286bf28ad387feae00000337f73fc646a2c217f8f28c7b4de9e52ba98337408
13. 0xe2b00eb32b7e9e6778d88bade9a7d19a468a8db8d20e735a3682cb3a61c2b621
14. 0xfc9ab88d5cb08cae376d37d3f24517c7a2cd94f277b0d505932d5ac795e4c6be
15. 0x22002567dfb80a697b73b13f0cc7ab99ac0c0bd9ea84bf4883eeb09f86036e24
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa