Evidence row 1541341

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": "2026-10-31T21:44:55.586857Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T21:44:55.586857Z",
        "updatedAt": "2026-10-31T21:44:55.586857Z"
      }
    },
    "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": "1.9.0",
      "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":"90bb07f169bc322baf545c1dec7a460034a73ffae6184224712b0c47835a6126","id":1541341,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793485023176655,"prev":1537929,"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 2026-10-31 (246033 rows).

1. 0x524a52283856affd9750a7c996dc6c83960fbc7acd8dbc8f0b8edf0682c93339
2. 0xbe957bbe88aa5526801e82c3d27fcb581541163d0636b185ce22907d20486cfd
3. 0xa44ad2c66ebf70ff6edc8a0b1cf02a3af87ed2648febffbfd357f6a4b471aa7a
4. 0xe00b6c590ce495051a63fe52a427dfcd021f14d94e1f21b0210c2637262a0d74
5. 0x8957f7f57db56ae26e60271e03ed1c90d8fcabee9b7415f3bf53b6c758588597
6. 0x471e5896480088ec6fefb4118657c22044d7ec430d8c2bfc06c5847f9ca35027
7. 0xc47276968502eecf8248bea7b79de68a63ccaaabbb6fae80aed9110be3f5c717
8. 0x2d77039db09caaf25ea5c29e6897604b344e17d789ac0e4ddb5525def9c04cb2
9. 0x1d03975dfcb01138b2759edf1926260a58d1167a8d1eb95f337b89728d39e965
10. 0x60a13258229917c8205e7935dd7a3cda44cf8107fe2df0eabb3373ee24b3745c
11. 0x8119245b776b60e908fca2afb5e32f19fb7f45bd3ca2aaea5b8ea5b1b8bcee09
12. 0x72c0304f4e75bab825e479b278b1c4a09a3721562f6c78dfa1b2f38b0a3d31bb
13. 0xf3220baf23862f460ba1258a3c10efea5d98488928e1c5c78f65caedb16272da
14. 0xa61ca0b664c5ff2f545d3f92e3125f2b38c2b4e58fd9a71badfd8a85dda4c936
15. 0x37f0ccf90cd9ba8759ef0154382593820880794592760020f095a3628e43fc3f
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0