Evidence row 2546319

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": "2026-11-03T07:15:51.053921Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:51.053921Z",
        "updatedAt": "2026-11-03T07:15:51.053921Z"
      }
    },
    "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": "1.1.1",
      "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":"4691c7a749c5d653ec0bac54a238e8c354656c36b0dc4820dd83b3ed429443ff","id":2546319,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690346191526,"prev":2130093,"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. 0xeb0d1de55fb2d37868ca9e46ab8f0db0a9ae7d1993d00164fe38280d4ae1e639
2. 0x29b358308e1e7dfdd575f49bdb56ac453a37ed694c475e4293faf056c32bfe70
3. 0x6ae396c42862d0fa42949e2f543089003ee77e5003275e831c4300f997ce9da3
4. 0xeb10d0fe0b933d0745e2f2ef472668c61fe71db39a7c1c10b0f5cb77b8e58c5d
5. 0x38b4204f31f275a48af5236ce86515f3475949254f6859a7666da78c2c4dea83
6. 0x00a785c0b66075fc8a858d52e9323ba89e18c89ed90fe237c5d66260693bc917
7. 0x57ee59200b95f4061b2aec22788d8c8765f448fee502daca93f66de1012ca980
8. 0xaf8119466a83c535fe9696528f8898ed9e5053b3494d920ba9235a56a1b24a18
9. 0xc8bac0e434dc96f3b27d5ea45e3fcc7411e30c51f42fe8540af0169941748cf4
10. 0xdcfd168b759c220dd53cc4c590a637a74a0aa42cbad8217b13db58d52b016593
11. 0x1d4d07a77e4281076fbbc48c458b8e7f12ebbc3272618d1941417e9280447792
12. 0xe64093a7adbdeb4fe57a961a06823f4a262142347ef934da5b7d7286520ab59b
13. 0x57b25ea6cb764c62af44fb8bcb6cfbbf38d741be80780cc55d536d03fc0602ac
14. 0x3772686f2a1eb334138050fbc502de05a788284f1b6d6ecca81bfe0056770df0
15. 0x006ca23845a42a2d7f3ffca485568321f0deef0a65ff45709711a78f8e68aa0f
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7