Evidence row 3414090

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": "2026-11-05T13:38:58.898022Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:38:58.898022Z",
        "updatedAt": "2026-11-05T13:38:58.898022Z"
      }
    },
    "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": "1.2.3",
      "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":"f6622a32428b22219269c6c9909b17bb486c7f9d7f461b0f4d491473693fadc3","id":3414090,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888495709476,"prev":3395840,"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. 0xb14f9f3ae096f9a7b8b3a2831df60274f26db86bca3dc9c744c9cd3287ce09a0
2. 0x275b93e13e11a69d9b10f6f87cff6b30914a7bda1b348ceb288f545c5b4a8193
3. 0x2c463b11ed215e24efeb643f9a8b0300a71585ebd7b34ca286d689e9a80b528b
4. 0xccf40c3202d1d4739e63cb8cd482fedf8eaa3acb756cd2690e29cb3f0cf0b585
5. 0xebe4745baa11f7fead63d8424783b0925aac61e63f0a2dec1af5678d304d4c5a
6. 0xa64113f35aae302f53be62b4ecb08343b0f56a391c069c910e361b79e221292c
7. 0xad61624de0d635b6b8849ee07f967b9c59a57d342db7c0785109f8ea08e3f681
8. 0x8c723ad357a032d18ba5be96f314b4fa45257dfc4c9c717d739c8792896347af
9. 0x3d618e8f9378dc8c9de12acb8c0fdcc3ff407705d18fef098985bf82562132c6
10. 0x733645616c22b6a391dddd8e78c4539bb9b7cca7ef05a48daa3decdae76f041b
11. 0x17a2cc5258e15cc45b0647203dae2a53a3cc072c77f7ce13d6ef4ff7c1e396ca
12. 0x7894cfe4ae76627d023cdbd24de2bd9bfe3d08ed77ffdb4d08f21a7bd5022cd8
13. 0x4297ded3b7ae7a5e7c6aaf868e1595cb5dfd5bc570ca8e58312e1c93b27e2840
14. 0xe9b3feeda7ba0471328dce63fe578d2b6d168331915c3460a3110e4549c6245c
15. 0xfb7fd5d9f2dad2a875d0018c34534e495fa88fbef40533c4ec84080e09b402b0
16. 0x94ca8b6a95491be1f3ac6de55d756552e3d7dcdd3a530f60ac239342f2227667
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94