Evidence row 3957805

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://bigmarker.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/bigmarker/"
    ]
  ],
  "name": "BigMarker MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T18:05:23.217167Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:05:23.217167Z",
        "updatedAt": "2026-11-07T18:05:23.217167Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read conferences, registrants, attendees and recordings; register and cancel people in BigMarker.",
      "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/bigmarker",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://bigmarker.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/bigmarker",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "BigMarker MCP by usefulapi",
      "version": "1.3.4",
      "websiteUrl": "https://usefulapi.io/bigmarker/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read conferences, registrants, attendees and recordings; register and cancel people in BigMarker."
}

What the leaf hashes

{"body":"c0473fb8ae16d93618d9918f4551eb60a4c82c5320222e271455a9576be78c24","id":3957805,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075886587929,"prev":3944949,"subject":"mcp_registry:io.usefulapi/bigmarker","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. 0xe522215d90aa27cc0d9ff6bfa08ebc22e3a4e8f57f0cd4956269101a8225841d
2. 0x06d8f76bd43df5871a22c9f6f75e3346ffa2b0916e7040cdcba59c272ec36c13
3. 0x9c2a40038d6cf23dd82025493e5851d64f5f3cc10a0be397ded931000015f13d
4. 0xf7ba139d7b91b1044ffc2a5f6a4e29d3d23179145712d63f0fbc93424c84953f
5. 0xeea6904b7175c44b88893076ec724400c9a6c0aa9bdc44f7a7e50e1e97c01576
6. 0xcb563cf98608824025eaf78cc360922c33a4b93fa8d62cf7437d6a68e5a945fd
7. 0xe78777cae047cfc84a79623a9fa26c26003b4fd07b2ea199ed145e280ab3852b
8. 0x9ce8de64d88d7f9df664e6b1def88eab04cec232cb04eaa15dd8f3890a5bb275
9. 0xed86b940fa1a3539a23a411154802b555fcfdb53d8fc64e03a54f03435b2f608
10. 0x174948c6ccfbeacad814e34f4c52d77492a8382d74dfcd0fad576d0329b75fb6
11. 0x6e66b3b71936b7cff0c14794f57346e530104368a151ce26c2714609a8f18cb2
12. 0xf3a39b7f14b5af2b25f91d2696803cda92796e9aac24e32d005eb6e1b9134f96
13. 0x43264bd26116ef8e6f9fb17235da20d71d20e9b50e11d5352edde08d4a1d0f55
14. 0x6f49c61b0121647381a6cf39821f3b65b9e708380eb6ac63924f415c4db07607
15. 0xe840e410ee5ca60b9428cf31ac97ed84879fffbdab20af854208e002351d4fae
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa