Evidence row 1538199

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://upcloud.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/upcloud/"
    ]
  ],
  "name": "UpCloud MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T20:56:45.289149Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:56:45.289149Z",
        "updatedAt": "2026-10-31T20:56:45.289149Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Inspect servers, storage, networks, databases and billing, and start, stop or back up servers.",
      "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/upcloud",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://upcloud.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/upcloud",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "UpCloud MCP by usefulapi",
      "version": "1.32.0",
      "websiteUrl": "https://usefulapi.io/upcloud/"
    }
  },
  "source": "mcp_registry",
  "summary": "Inspect servers, storage, networks, databases and billing, and start, stop or back up servers."
}

What the leaf hashes

{"body":"bc35c58c20df0ad70af43a8ed6cf981e1504225b68259d4244c826d0f8afab29","id":1538199,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481419706700,"prev":1500469,"subject":"mcp_registry:io.usefulapi/upcloud","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. 0x04e32da4f11ff274f02cddce2f94952b98f5b17e71a1a3960e538f3da0faca93
2. 0x49822a562104a08646aa6e12b2dbb626a96e14a00e32335874ea081c535bce51
3. 0x6b2ee6d17a2926cce16cc5ad8086f6eccd3e1c70621ebd41dfade9c61f55c63e
4. 0x8d8505ed6661cb86161ffcdaab5fdf851e8e84fc121052435cbdbfb0d20fa2d5
5. 0x6c670c957b7e1932e507f7790ab6aa5387a8b48deabf76b7e97d23fd5ca05c3e
6. 0xc87e7b0c80291b458de8d060cc0f1842ab34bc9adb41d0f0fb4ba1cc9ef61216
7. 0x83210367973c1eb0f968ef948a311a85c23203639640d24a462bbe843acf7cc6
8. 0x8423b569f2c2c536cf60d6927fc3be434833f0bcf61f7dcf005786e5f004e08c
9. 0x9f01b698616dff442104e835205c54145fd880f2ee26b91b0f5169e041e94971
10. 0x866c291cb499df3d75e26d5fde76fc9395835d07e05d7d054e47dc4715c2bc42
11. 0x26d685b63e90fd3d90041cc0460f3a31b3a8341567323dc4c020047177fa60f1
12. 0xfc1ce3f1110af72b076914927b27361baa19e53c889a2132c5e0554b33bfc199
13. 0xf710e54eacbe157b618c64e8dad060fdfb69ebcb70c1ca3bd9216c2857848588
14. 0x3c6faa3733ce39f85107d6cf00f3a7c42fd5fd374502ec6e62b0305586bf03de
15. 0x72fbe549c493739bb99e38209648de550f136f904e61b4f7609a937c2630a055
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0