Evidence row 1541497

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": "2026-10-31T21:44:50.244948Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T21:44:50.244948Z",
        "updatedAt": "2026-10-31T21:44:50.244948Z"
      }
    },
    "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": "1.12.0",
      "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":"0c2377a44aac8a09702e4f096e960d0f53272e4573dfd19d1e162c465c012dc5","id":1541497,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793485024232403,"prev":1538085,"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. 0x19f837356753102f3cdbe198c96a6706cf4e20d4947aeddd3ae99fbc5884b01d
2. 0xc3054f77ea8585584924b3b386cdb8d9dfc16ace3610f20a2cafadfd08ea339f
3. 0xc39e5a7183ddedc842d630c9c2f8345e0e3a4a53464a7904a0860ca25a174a88
4. 0x674f1039927630e95f9acc3cf386a795c83d5d86bd4a3a9988eb4e96b2a4ae6c
5. 0x8f51522b52bb455cc6d4ac7c67a7fa9d79f68d05295525aa7274aba5d6e68785
6. 0x7fb47fb3adccb44ee80317c8d155f342a86065cef1a6c242bcea1e38b46b5c19
7. 0x0a9aea92f42b34b484465a9adf4e089c378bd7269472e5e9fe041301f53eb054
8. 0x442123fac4032f32240dcf71ed437c516bb0581209809d36f1e6845ca31234cc
9. 0x4e03861515947b110da2120cf11ff356b3f5981c7567227f40c2d694ad647615
10. 0x581eeba73d07416a9afc5aac16c2892cc9673b14efbc3a1fd590299b1b7e5681
11. 0xa118369db22e0e00b6aa4648d24fe2fed20c310b1ab049eae0258e48f4f3b8e4
12. 0x8a696807387da79797692f50fd71b3e9f20bc764b5b3d60a7d7ede651a9e7cd5
13. 0xf1614e76e51b9462cf7a91e5141af61bc7debba634c8798728c24a84f197b6aa
14. 0x9ceb0cca7e6a4252fd4bc9968554fbb343590c4ea20f4c2a07778fe411162b49
15. 0x95ec49fc7f2c7be30422eaa1d0d6036836dd63ff46a8ed4027258fcf3eb8cf24
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0