Evidence row 3774922

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://addevent.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/addevent/"
    ]
  ],
  "name": "AddEvent MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-06T20:25:47.813929Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:25:47.813929Z",
        "updatedAt": "2026-11-06T20:25:47.813929Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read AddEvent calendars, events, RSVPs and subscribers; create and update calendars and events.",
      "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/addevent",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://addevent.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/addevent",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "AddEvent MCP by usefulapi",
      "version": "1.23.2",
      "websiteUrl": "https://usefulapi.io/addevent/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read AddEvent calendars, events, RSVPs and subscribers; create and update calendars and events."
}

What the leaf hashes

{"body":"67f78044b7f6f135229ec9d492ee473cc66b0a9924c127e55a80ca4e7395d937","id":3774922,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000213089876,"prev":3764418,"subject":"mcp_registry:io.usefulapi/addevent","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0x4364f06c1b4bede47f9ba6ae5ac11461bcb34237662310d85f6f57891ee4d75a
2. 0xa99ced4dd6eb5834b3770ec17888107c24330297e3a88593882cd68990204874
3. 0xcd45fe3c28ba61d186b370123e8bdce28c757173ca695d0f621ea6e185baba55
4. 0x68bba17d388704961c652a51c2b71b59d9107a630c7a2341cbb72997d7b00ca0
5. 0x602606e175c7f01950bce6df374385e3bf05301c633ab845fd8f3496ea23275c
6. 0x2a6c3b055b40a2ee2a227fd17a65a102e6282ffe6630600a73627d756e61eadc
7. 0x0fa2e811fa16783b8759227bfb343a10fda876674c273eac755f980c61cdfeb1
8. 0x9d57b5261ed5b215d797835526d85ae2bcd68d7370b8767d112110797b8207c2
9. 0x2a1b76bcae6fc68647e1bdb7140d86e62cd80063b6b3d165afbe2932b6437b99
10. 0xf8381c12732af73af1db03e41e5cffded6b324917c9ed36ad7e2234947d00506
11. 0xb694c67379f103ea222f27e9480adc4b2c2b78926f487a5a0a3cf423e963f6bc
12. 0xe59613042a1c55b96dbf42ee837e452baa80c4efe2946f3c04c7064526ef4c90
13. 0x2ef46b577f5d9a26dc0a53d11e5c56e403afd53d28457af329a319bf3020b535
14. 0xfff93ce218f4539f2d354235d409dc53c9f6102b043c9da7a4a7f0fd9c804d4f
15. 0x3e5703f087c9966ff9f302cea33450db9f9fde7cafb8269b22ded1b2a3da03b0
16. 0xdfedd18f60be5438b67a88cd42d31ead60bf5dbfc8d726e3d83be13474b3bd3f
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1