Evidence row 3775044

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": "2026-11-06T20:27:17.173973Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:27:17.173973Z",
        "updatedAt": "2026-11-06T20:27:17.173973Z"
      }
    },
    "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": "1.3.2",
      "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":"5c36865c657e97b32a66ae2ab11711e15808436ff8df53a297a9de5816733132","id":3775044,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000214160150,"prev":3764591,"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 2026-11-06 (303443 rows).

1. 0xe41e3b5c8de44b4eec9d912a3f62007acbc4fa1b64519ce90f15b8b77fc22c7e
2. 0x595058b1c7347ef40823e33f80cd38209ff8ca77b47803391f00fbe7b68e3e2a
3. 0xed43635a8eba1b68e08cd4f98d0f02711fe11a6f414bfc8790603f6a293c46dd
4. 0xfecb789b0fb7fdfbeb352b1276f44df391ec4bd57cb119305146d65f68f41ec2
5. 0x8c600cb0c68eece0d6c02cf76a9897ecdebf01c81756c729a5c288604d43cfd0
6. 0x5ee4f9c449b3960eb1dd001ab317049755f301b4ca75d429525fede66365f523
7. 0xf302f7075fd070a874fbf2fa3d400f970a6bff5ef411a0ea7939ae074e06c9c5
8. 0x1b23ae06a9dd33e6664ccd8e48d9981c4f8fc68343172eab9e32b66afd581889
9. 0x43953f0cee1ab5504f01a71b63cf2267daaff4581da4d38bde8e60887353c0d4
10. 0x441eec00d0efc4bf6632ba9fb55732d9ae5c788d4d1683f45e435959075e2c15
11. 0x176ab24a0c064e1ffde25e3a9426d5ba26c9fa06e47a2d6b976ea43f219356c5
12. 0x82957247688bd6654a50f883b6e8cfbfe3f028e0827185c73ed0b664b2e84942
13. 0xfcbd0642e88bf4d537266e8b97fc26382cc60c52e3367b427cbc12bfd83bda4a
14. 0x401f473322bdfc8fea51b048fef00e1f433c6b46d6320840a3c273774f7e8299
15. 0x3c1d5e613d15e0df0cd0c1b1c0e33f6806b96b933b69d2555bd92b4570955879
16. 0x04c1c4929933bae20304ac32084d4b93dcac07567f68e828ac93bbc39eb4614c
17. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1