Evidence row 2564424

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://climatools.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/climatools/"
    ]
  ],
  "name": "Climatools MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T09:55:14.778561Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:55:14.778561Z",
        "updatedAt": "2026-11-03T09:55:14.778561Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read companies, relations and installations; create companies and relations in Climatools.",
      "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/climatools",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://climatools.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/climatools",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Climatools MCP by usefulapi",
      "version": "1.2.0",
      "websiteUrl": "https://usefulapi.io/climatools/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read companies, relations and installations; create companies and relations in Climatools."
}

What the leaf hashes

{"body":"c60f0e079e7ee89015ab70cd7beae338cb204e5fadd02c0119fb9441bde11c77","id":2564424,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701159760074,"prev":2546319,"subject":"mcp_registry:io.usefulapi/climatools","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x207fd5d2f977becebca720cea7528b300521c8d122c16adf1bc705b5b8cae5ae
2. 0x499877909256da19df41341bf90993ae74bcdf6fc0829f94f591d6eda500843f
3. 0x89fdf6ca7eaf4443f465b4e191e2feb3adb9bb907c9a9494d94a08442e853026
4. 0xecdfe9cca649e9138b25a528e1b9a2b6198407408756290b3158fc1fb4a44d87
5. 0x3008c35c8a4d42be0f747db03c1c5a8ff21d48d5a890c92b7a38dc4a37e8375f
6. 0x9a760f4eb5bb1d15bf188d7f6e4dd8dd8897cfbe62cf58de8a2d0597259b9eef
7. 0x915da8c04a36008115b614c2581984411df039ab750eaf9cd53b3c8d06471146
8. 0x55a408ba4c0a6b0fb5939f1b95697a819e9b0c8341224320910c0739ee752ce9
9. 0x84dd3123f27c2bd62be5be6ad803eafd189fd173e5325c65ba48e4001f38fed8
10. 0x38c5bee3336904179c100222cb156b099fc9a7355d029befce2baa7464be278c
11. 0x76c6de641522fd9493555b4fffd7c87789461d3754bb7c49fbfa1205c3c326f7
12. 0x8b14f1e53c15f289f0732c021ea844f0e0bb2b3ddf7f4ad8deb748b6e07c3e89
13. 0xfb5a34649a5338bf52060a8127910a8cad79eb45a3dc649b67b230ac03180f43
14. 0x6dc9a553a6358b650cccc8dd8d4ca7762f9e2a984ea8940a523e38c27bbc196c
15. 0x660d0877ad8a4ac2c72a53acfa0bbeb718138f84f8d3c34fe34565fd754e39e3
16. 0xbaff679935afdbe869b23e88acf4edb06c80c1bc21fbe841145699495a3e2db3
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7