Evidence row 795779

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": "2026-10-28T18:46:20.165652Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T18:46:20.165652Z",
        "updatedAt": "2026-10-28T18:46:20.165652Z"
      }
    },
    "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": "1.2.0",
      "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":"b3dff945771a9629611465e8eb5b1c33593e4d53b31ef8c7d84a9c82803b6436","id":795779,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793214747288211,"prev":443171,"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 2026-10-28 (231336 rows).

1. 0x9ae9ef590fb4c3e13a6c2acd5f7f50cb4bf914ed46b551c689a6480a49b3be85
2. 0xf3ba1fe843cf1f3c25d94ff65c8a6d7a021dc307002ec2473847904cbd11156b
3. 0x59a4775cc0a20bb065c2f650e8baeefbd9591c00092877524a82b5625653d438
4. 0x855ad59eb8636e02402c232e3000203d1f0e84271311a1ce0a5c4c2333b9bfd4
5. 0x26d7b476141b5ac570c543dfc6207de064c6d1542674243970bf9b01f73cc0be
6. 0x990e2516f5ad35c42fc05007d971e2e44a51e0d3a410c90cd9e341f9ee57cfdc
7. 0xea2a490390efb7c3764f8a56a88c4aa277013a24dac1406979ab7e74cdfd7639
8. 0x53b3558c73aaf6070ecbe0449cbaca2cbba8b1bcce098f5ad2f23a900b6c28a1
9. 0xfb3a7bad900efce08b1d5e15dacfd36917fedb4ec22c8407748eb7f23f8af8ed
10. 0xb3e56841bbb59136729a7c712fd65493d96ae156d1b9b312cec75cf28066657f
11. 0x7654c3cd0b6acfb99bcedf194b38a090ce776df630f9c6eb10f2acec39de8c93
12. 0x79e21d5d646e5a138478213c9372837aa9b91511c391c37c99eee1d1d482b26d
13. 0x068bcde0287d4d3b4a6224e2d75094cc4817509ab476c25a343303034a0ce40e
14. 0xc4674b97eec0bfb92cf9c2ffb4427d455d9f902b5fe3ea0be83ee462202d7416
15. 0xcf313ac43fef601c9e46f82a687b6a3c655f47c31675c1791c49de20295be63d
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae