Evidence row 3723371

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": "2026-11-06T12:09:44.881488Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:09:44.881488Z",
        "updatedAt": "2026-11-06T12:09:44.881488Z"
      }
    },
    "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": "1.2.4",
      "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":"b6e4bfbce38bdc5bad3b6c9f785972835c4923977d820e2c9554086a701d5b2b","id":3723371,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967737109966,"prev":3414090,"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. 0x28f53d6fe38bd2fe9b676a5f40849ec07c89423972c3c3f8d465adc3d5b30abc
2. 0x2086cedafcf8d69cf3599813b35471bb98c86cc064c52a6abef26f0763719542
3. 0x25797ef0b3e069467f578949e585f174216f46c34361e97a8cf1ca85eb572d62
4. 0xf7eb7a61ad381d5301dd37bce32842ce572d750e975f0c6cc78791f0f8890d40
5. 0x54ff88d93acb97ffaafea84da3f4a891c22c4736ab946b02c059b5bd888047d6
6. 0x86f007ab957003b780d930a1689275953d42d39bbaa5d22ad13db6c6b73322a6
7. 0x010e2aa934ce9820e86f4950b7cd48a7c658e8e2929f60c293eb1c4859bde448
8. 0x7c0967be4748cf88def3ac636399d39d5fdd9eeaa39160e8a02e8e0a8f6e37ee
9. 0x778352f43959be2fb6e6e39e7341e7d2f18ab9b24b5f786d9ee1f9536b2ea63a
10. 0xf7907e3484eb270bcd63a5145d240576dc90956a3f89fd0a45ee341c23b3de05
11. 0x564269601286915a7eeab58542a146b3250a98ddc29bf8f09787708849f63fa4
12. 0x8b495404ee83fe0e8c476460e29ce8f78863a7c3ae44856d62787155e142e35c
13. 0xd8ee58217b244053068bf4c0fa7688d6f4a662b265ba0e50db6095fda93b4483
14. 0xdd6caff8b0876542f26987c9cae49eee11e135210e6f435b006118b6d3e534e5
15. 0xb490b9bc961e5cbbfaf890e393a2eb3d2518e080e0a107acd232486f34cf7408
16. 0x0aaf291a2ffa2205e7df7531bf36800e377dfbd67208da05b97625f1cc49ce02
17. 0xa448dc698494f795f2240c0e7070e8a93eb263baee21ca4185a7d03432a614d8
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1