Evidence row 3958307

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://schedule-it.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/schedule-it/"
    ]
  ],
  "name": "Schedule it MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T18:04:17.635281Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:04:17.635281Z",
        "updatedAt": "2026-11-07T18:04:17.635281Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Schedule it events, resources, groups and labels; create and update events and resources.",
      "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/schedule-it",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://schedule-it.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/schedule-it",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Schedule it MCP by usefulapi",
      "version": "1.15.4",
      "websiteUrl": "https://usefulapi.io/schedule-it/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Schedule it events, resources, groups and labels; create and update events and resources."
}

What the leaf hashes

{"body":"3d7e808fa00aa883196171753ce5579eab36387036dab2088ba1ec978e3041cd","id":3958307,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075904717206,"prev":3945461,"subject":"mcp_registry:io.usefulapi/schedule-it","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. 0x6e65a35d5ccf0dd0603a4bd5fdbf475e872e7034ae9f48e83b01325c38eea6fe
2. 0x277270b70b358744dd823385408e0ffe875755c72505c78b7e0c0b93069e38ba
3. 0x7de9cf8e10d13c8e206a216dc2d11536fafaa2fbfb9f1f3213c05c18c31785b8
4. 0xf383ab77edd9686b0429497a359810bfe55b9abc1ae6ab8c063674e60aa333ce
5. 0x5fa2c443b66c78bc099a1f1a6154998923554708cc8421e67ff4d111132895b3
6. 0xdfb1f5839d5db357086daef24ad1b6d5dd265dc45bae46911f15f1fb8a2ec86f
7. 0x2208aaf5eb961a70c94454b1dc2d15a4ab6ff0e589a0b41e02034a27bac4b38f
8. 0xa73e47a0bcc2a7e6b03da7d73495c5104f89b18ab7f8df6e56d41212e1ae4d94
9. 0x94628390f720f27a8289474d38b9a28d6b0f1b8860c4b8710a7c3f3f14685280
10. 0x187a0a8494966e7fdc20b51d8ca08091cab2aa85f079e4ba608f90b9299218a9
11. 0x99c00ce43807ec9b915b417a91120efc4e4e455a75643edbb11d6937eaaf6d2d
12. 0xfa36737101abe14146c268d253e370e1d86682cd81189576035d256a42039c9a
13. 0xe5801f2d98f2783a9d774362088619c8104163c840e21fbf269ac5c455e9df78
14. 0xe10968763bf5f376ed7bef52309abc0adc0394947582477a2899a3f332842d95
15. 0xdda41bf8f8b807884588170276b0203d24918e4a5c47ba7f4d5d0217f85e0cf7
16. 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa