Evidence row 2546547

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": "2026-11-03T07:15:46.046963Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:46.046963Z",
        "updatedAt": "2026-11-03T07:15:46.046963Z"
      }
    },
    "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": "1.10.1",
      "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":"b63bd77263f65d8490e414bb85eefbc14eaceb5ee93d8e43f7c9d799099bcf41","id":2546547,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690348522959,"prev":2130315,"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 2026-11-03 (425475 rows).

1. 0x4f5027e673dd0d2cfe623aab8b08e78a978c031b3108930ade1a058045514323
2. 0xfab64944d13c9c6cdb1e8a52474077af492f003e55c0a91881c4f6722b32df8d
3. 0x0bdae9f8c5da4006dd568a341ebf8abd415379c1568f258e5a322d6f68cc5c98
4. 0xd19102e0690927258f76ecc9b686692b957d7e181cf7be543033dfa108420286
5. 0xadb61d8d1414800ac4c9d5d98ebb7e4d438234b453a9da210e5dbb28c10a9a6a
6. 0x5a4ced69d5edebaf1d39c7f9cc90f3db3a64c2bcf45fb5098e89ef9b4d81aa94
7. 0x5eab8867fbdbbedfbd28f2acabecfa550cd8edb9bd15a7015a5fa86522978891
8. 0x67abe13d759a83c094aad64c37d6c4df56bf1db0a9b98bf5ca9583ffca258da7
9. 0x908f898405b25e5ceef68160323bd8b65ec27e19628209309fbe96059d404f49
10. 0x25c3395d16bc92003fc357ef7aeb66b0a7c092146429f8ee1aab7a425afa2a2e
11. 0xd25d1e6f3235f0a8668d50ccc6590046abbfc89e6b0a4f59e8a3c6f8d983b72a
12. 0x5067e540510b4775123aaa1b89e8e771fff48cda2d5217221586896ab145069b
13. 0x94187c120b8099d2990297ee88e8eb9a21573805f8105e5ec8b85c062f211c25
14. 0x4b9907277e91efb1f7d9761806af6ae068cc26782473322e3d536248ba73fc2e
15. 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7