Evidence row 1257779

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": "2026-10-30T15:16:08.256052Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T15:16:08.256052Z",
        "updatedAt": "2026-10-30T15:16:08.256052Z"
      }
    },
    "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": "1.8.2",
      "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":"51b1b1a616b255eff8c457bff95bcd0c0ffbdab3ddcc13330dd64c0dace6e948","id":1257779,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793376930643539,"prev":1249793,"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 2026-10-30 (243099 rows).

1. 0x946e9c8a91dfa613a38a661742c6d1404d0a8cff7381e8659fa604470dd12d58
2. 0x1b2950afd8a3c4dfe0897b9d1714c9be19420ea22b8a757547099cf5ce0d46a6
3. 0xa998c94c71ae1befcbe85c6356b063fd62b353b38f65d5183f7995d10040d67c
4. 0x5bcb45acb0ff1fd1b2a0d0d1925303f7c88a138f7e440a301601b29501dae459
5. 0x0ce2ed2a3d4d0ee39d39a92ea952af31ca5ee380784365807c9039d98570d420
6. 0x5f8ed2576e2d246224cdb081f0a546be1dda76c536a5da036ab870d58d3bfafc
7. 0xd9f2b76b06861479bfbbdb8ac4919f95f27db2c4faaa80682d89a83aa52f55ec
8. 0x6cd0f463e931943f8c629dcdfe8455acf57d95f19990b47fdca0366c08c68e70
9. 0x1983c30ac7791042badced020557ea25f566958935dc085e617119b4bcc0f688
10. 0xf6619a0ad4b7c2d831b5e5828102920505da88578c7b9e7e2c74773728f66e49
11. 0x6c8caed80bc751fc23af60761bd391ba499134a0ef0bf840a5788f8af7d9e758
12. 0x20af208f910fac34d7c14b4292bae9939615ab31f093d4409d4d8c0c5fdeda51
13. 0x7d1bf48d5d64dd078f722c5d54a57afd7c7264c947c587f6fbc3d1add4080eb7
14. 0x7db51cf84d41f2e07ef904fc1b6aeb666b2a2762de18ed12ac42d5938eb28dc2
15. 0xe722b5213af778d8f1621b8b0b61f957ac8d8bb43a780aed8989bfc357e5bc58
16. 0x835211170e79bdce1a823ec914e3532e128f77751e9074286da35091b0200284
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861