Evidence row 800925

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": "2026-10-28T20:05:02.407248Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:05:02.407248Z",
        "updatedAt": "2026-10-28T20:05:02.407248Z"
      }
    },
    "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": "1.6.0",
      "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":"c0c7ba64cd72233d26e30da932f7004dc75cfb08d37e56ab4fa95fd9eaa04ee4","id":800925,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218352809748,"prev":795905,"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 2026-10-28 (231336 rows).

1. 0xc10dc4f8ece12e128a97e207b00df4bef29c75468110e92189416f14fe0f6f48
2. 0x3b95e40c0e5e136d49581f16ad80c2592a19d78e66bf9db67ac86ed9e89da0ac
3. 0xf9c54831bc76b91516f9e887005addf8b1cb796920906bf8c79efe0ee9dbf220
4. 0xc81e3a50750eb6e4f9c2b48327b0955447cae8b7040322c203896093e8ea5f51
5. 0x136d9a955f601b6e2dfa4fef9d4f9dcfc80288195497461eda8f8c568e3609d5
6. 0xead15cdb7eccd30b4ee1f295ca25369f61dcdcec66dc041b8a636a72778758a6
7. 0xea3dc69c9b0ba0b927d79ce44e9e902a3d2796bc3347e083b611061094badb48
8. 0x2ac25316d7b0631ad0d4015f6c178df65d6df50e7159b8a66650f769b297d9a1
9. 0xf5575b9b4cb19c8dd440b22cb189299f89a755a6a22f60fb806abc6fd2630a8d
10. 0xf8a003fed8bf198e5a41be95d3e4210ddf8134b7a70899ad09dbeecfc11956b3
11. 0xc79ea060175a9134e84d532f95a52074c91a666532311faf3b546ab67f80f855
12. 0x7d7c0b3eedb77dd5efc1a0565bf11347cfd7c983bbc429e9840837ad4cf17e16
13. 0x4e311d836f53bce1d38273217ead32c9dfd4eac156e4e78fc865e52c86afda83
14. 0x4dedfee32d37ea3cdc60e339d676b411d314f945b00a30f8e3bd1e0470526cf9
15. 0xc21e7661f5d6220994a88cc71b1262eeee3b912a2d383d18f38a631c534bfd71
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae