Evidence row 1249658

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": "2026-10-30T12:20:59.813897Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T12:20:59.813897Z",
        "updatedAt": "2026-10-30T12:20:59.813897Z"
      }
    },
    "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": "1.5.1",
      "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":"8b831a2e3020876912279482413e6ad340436111867a44a810982dc46199ad60","id":1249658,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793366122549209,"prev":1025710,"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 2026-10-30 (243099 rows).

1. 0x37d5e0b3e18c070630220949e7ae8b8cd11824fd04b6db1ceda7cccc570c0a98
2. 0xe95ce724e2c26b97003e6425f04e9f968de1a471eb29f445ef586aac42b0abe7
3. 0x76976d31f9283371de91d35d7a66b932da85d490b680edf71fff67ab7121af9b
4. 0xe545dff9a7da424fda375412909ead3b6256247c2d81b47061039f2c8e27842d
5. 0x6abfe2e6695ce744943af260a9d2b1815bf593fe8067f4cc568ac06596956888
6. 0xbf91ed25640e7e391c1909e6a8b2ba7535d7027d1ab7683e11720eafbd7d486d
7. 0xe3d5d09188b5e7c9b1c41d706b39d019f86d8e6f967eb11e6c20c0307e3117f6
8. 0x42a56b666673b14b62de349487867d2a99a8e5babb2e6612f94f71ca34d4a9d1
9. 0xe878f7ab0c6f3fe4a1bca922a5086a3580fe6beb88be8e405983b81d912db7de
10. 0xc2e1c6e0c4d70f56e4136ea866f1af3981b074e9fa22396971edfabe2bba03e1
11. 0x427e4a316af935d6ee80654abb6fc16b5dea8206650a68534aa844446d318b72
12. 0x7d3d949f23696b0b5e348c6e0750105f04e72e7d9f941e38ade4bf6f758a85be
13. 0x560864a245804455b173bc33d9bb53661b7d98180eeefc9f2f32565f0466e0f7
14. 0x376892c50c46ee5b035b41cf6f3f7adac55e75544347e1646c5dd6be381c43a2
15. 0xd7d5c71ec079257a487d0494049c896f97cf8bf7d89a43fea539777c548c96f3
16. 0x50ca74d7c8f26a46e9c3b8fb5e7f9ebcdfdcc1b7c863db3b6d2b7c12e24ca66f
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861