Evidence row 3945261

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": "2026-11-07T09:17:41.598707Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:17:41.598707Z",
        "updatedAt": "2026-11-07T09:17:41.598707Z"
      }
    },
    "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": "1.12.3",
      "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":"07667d498ddec8952ec1dee7a3c4cb1c0d47d00dd1649ff028b5162d95667043","id":3945261,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043456611826,"prev":3775283,"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. 0x0299db7bec033da728eca3a6d43171c21b0e639434da7740e480bc761ad6a9ac
2. 0x2fe63726d4b94b318ce4e29ca6ccf5983580e4fae334f5f5c52224d24ab8b7f8
3. 0x0e0d8a05efff340e40722ff164b54482009b43787e237678be712aad0cc2ed1b
4. 0xb26e99978a0a6a36d9e5c34d5d69923cef9d1db2bb1f190c84d8ccfd94505063
5. 0x8f3f46fc30b62c6a3311ce50a6677297d7e251b6b808af946c5b9b8b48663cd3
6. 0xbcaf91fe74c5ee43d13f0f47f446439ae67ad179a406013891e67c5cfc338215
7. 0x862765a38cff6fdfaf1a3c7c97191c34ddb4f4c42076d429bfbb5fdd7fea5328
8. 0x997f1ff2121e6ff18f29c91cb734b8fafbca8950a68cf9f55b7c4d5fb64a0c12
9. 0x6629d5fc2342f0c24e995f0ff67852e46b8b61f64058f906044dbf01d003660f
10. 0x1e2962047ea11a61943b2b7c44c41a0a6d4e6d31860980b04d78695578731427
11. 0x69c48a2a644fe9fbb68f43b548bd7851f8179be5dd433e35d2eb479e554b4199
12. 0x1a54f97a9530e16161b43d0b7c38c428a49b3575ec95bb906f139d2446f4dffa
13. 0x80de52ad007e81cbaa504c53c1020b78094abfb0907b1d97798e852ce43dedf9
14. 0x144e6f529cb7231bff37cd4bad2e3530f3ad930f9de9c48c0f73680bc7f17d30
15. 0x648a3baa51de8aa55066ecdaef86a2d63e9b16b533148da0c58eba70048b858f
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa