Evidence row 3395840

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": "2026-11-05T11:42:45.360278Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:42:45.360278Z",
        "updatedAt": "2026-11-05T11:42:45.360278Z"
      }
    },
    "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": "1.2.2",
      "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":"5330b80a4f0a665ca62b8f8a5ae541746891c4f7ab08c6410ba1f86f1293ddf3","id":3395840,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881287741275,"prev":2726278,"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 2026-11-05 (322504 rows).

1. 0x9ba9e83465ff4b1c7807e8af7242d924e3022f88fac70438b3a0064ab66e374c
2. 0x440ca4fb9ea6d3feac507c6b413e1a4fbc31b85aca30ca9708fa67a22c25a568
3. 0x4cc6f2c648f5f4b3bb1fbcf5bab1b9ae2cc6d566b693b6b1be25f4c8b844cb77
4. 0x7de61a4a137b398060a85080b5acc34f0dea6ef98edc1b1359639d35fad0fcd6
5. 0x849ab4bf13a2f295b38b153e593ecab88b0fdd21549e0f4baaa3deb1058dbac6
6. 0x5908fd2e5762908cdf6ee8760acf10f1c28b137252c2775bd342e5c89eca04d7
7. 0x2cbe7c5375b8c3e7a62ca35e6c144693580f378544eb001824fd986aaa914225
8. 0xa134178051170fa288498fde2b1e347314c9534fc3a489791e9912ffe121f038
9. 0xee6d84ca5e703e6e4de31fd2c26f85baa3171611a8b0f8d6d2056c5207e988e8
10. 0xc0a8b937f5822d3edafd5f20e3963eb8fda646460a205ba9dc85ddd00d14fa3b
11. 0x2834f904aa7ed1921f513a4450a63c9b4a3f44d0ba19bfd0d0b2b21d05cb87dc
12. 0xdb06f47f7f1dd0fa0ea751e712437679aa614c0d28f2a824677bcbebd731db46
13. 0x633e7113198f9cc69c1759f5a29fd29a030b984b9299b10f8e41a0adc47289e4
14. 0x5c6e3c27e9a4903fc5bb83db04b473a90d793c8aaff5c480fad105e530755408
15. 0x8d4c57bbc31050ce925844401ecdf17b888da2f6d1ae583a863bdf84d2854302
16. 0x5c64b7138585466e7e8be72af6f3dc72c511db2c0c1dc5b6e34ad4e9456c2308
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94