Evidence row 1500371

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": "2026-10-31T17:14:49.64295Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:14:49.64295Z",
        "updatedAt": "2026-10-31T17:14:49.64295Z"
      }
    },
    "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": "1.10.0",
      "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":"5b68b3a465fd30910142f041869eeb852292fc1f0de8acabc952006f9ec3de9d","id":1500371,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466976076816,"prev":1482170,"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 2026-10-31 (246033 rows).

1. 0x2bdef0f4fff84bf88b2fb1cf1e4fe1ae6e44c481ff787e329b9eddea99b2dc2c
2. 0x52ebff44d2d43369555973ed45f9ba49af4f55121b17732b86cf0ffdc9f728d9
3. 0xd2c4b6f4e6ac6caf42a3117624fe29b69ba474f3b621db90659b349c0553e9c2
4. 0x2e2bc451235031231a58adf58b97b3e78921b50b588f3214ae96bd50b760361c
5. 0x7259c1ab0931a55071e2f21738a4ebfe8b03ca9dc964b91933ef5132a3def2af
6. 0xc22b94837d9a10896250cedce66062818c02c6c0ad20c7499b5751dc262bbd78
7. 0x9e46472b28028159cebd3b2ebae6088c7bfee7dbd125668e8c41847d7c7b503f
8. 0xae84f53f6bb1980f5e039733f412b68ea1c5f06d9697cbcabd062af35e23520e
9. 0xe982865c9f6dadb5137f8bad387191ac15915b01d1ad7edfa85e05b13d2ba748
10. 0x84e3967577121cfb426ce130b87fbb7b38a1fc0a7907274f2f274836a3dcc9d3
11. 0x2d0ecc96bdec37f26b1d31329f2826936898603cfe6e3e60a099ff79887aeb9c
12. 0xa45482c80b1fdaf871a0e36a1cde3354d424f7d24524878803b37ae4322e2c51
13. 0x9a2482c4b474ce4b204d9b867c6cc884df05c5e0f70d0217d14a71c3075f147f
14. 0x6a9ee67e2ec2288c0f63ce0ae02c0a91a836bcfae9ed393ea79a911cf00f29f9
15. 0x5212e7c531721a66b1d21d8222c94df019d60ce8150c25bfebe2e6eb1dd39726
16. 0x24ea73817c2ff07f87a42be89aff36ac5fe49b64420a647cd406ee60e6a77f70
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0