Evidence row 2130093

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": "2026-11-02T11:23:40.732724Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:23:40.732724Z",
        "updatedAt": "2026-11-02T11:23:40.732724Z"
      }
    },
    "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": "1.1.0",
      "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":"4f30b583f6c1212ff5d93d78df7d018dbe83e2a224f737d9ce132dace35cab89","id":2130093,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621909064089,"prev":1767871,"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 2026-11-02 (444186 rows).

1. 0xc4ff63da0863fb504c2caa808870f896dda87d5dc5a91a9668d0713b6f653032
2. 0x401d8b7fa1d3aa08985856d9ebd7d17d0540308604d5a05065f1670da4f90b1a
3. 0x0d98af80736862f23de3a79534738fb42112f3225216a0001d523946d475db18
4. 0xca25a75ffe2c7002ff0a05f53c9384f53055d30b4e6bc6de35c9b18e860ecb15
5. 0x5928f58cc29dab839013910a160fb4cc88c3fdae302c71fe3e8de9d63592022c
6. 0x18fdd794be70485564f4ff07f3111a51ecc148c3d59c9f2d187637271c155142
7. 0x4bdfb29a614054513c8d092c6e65355ca7fdaaef4a1299ac66632986d396f1c3
8. 0x689a0044230f5ced390e367f6dd27042a4cf80ca27c237fee338b91bb0557e9a
9. 0x69f639814036e1e900ea795eb52789702aebe3364a30371c57dae6e358e4046e
10. 0xa1eaba33ee125b83f7069ea3197079e7ceac5af3d64e1393717e02135f8ef440
11. 0x842f383cbb44caf166d2b21caf5381c244aa3e938a540c1b81d2052f2e5f8850
12. 0x7aa0065f9bcb7fcade26c7f3b9489f82eec110abf81d620f345f0a889dc13028
13. 0x61ee210f299fdcda2ea75817592c9621ccbd35e0e4358cb705a10dd284df07af
14. 0x0b45a0435ea40bcbc48c2b318e8c62aa48a7e6b10e52b4548ada394225a7bd9f
15. 0xcbfaf790331071a9b3499a4db6f9d951fe5d04baefda2c66846b52b023ab8ae5
16. 0x37d31d28d0bd3743650d57e9fbf999efa4592cac831267f83aa125335b35a16b
17. 0xdb8bd933619a267f9790faac9839143d202be46af284371cc369cdf683f897ba
18. 0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
19. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af