Evidence row 1767871

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": "2026-11-01T14:10:40.645707Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T14:10:40.645707Z",
        "updatedAt": "2026-11-01T14:10:40.645707Z"
      }
    },
    "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": "1.0.0",
      "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":"6bc8da0e45950e1f4f0a4b03f6bdd6cce7f288e0a4ec9aeda9fb78592528e977","id":1767871,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793542645719019,"prev":null,"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 2026-11-01 (302406 rows).

1. 0x8d0e59adb0037832ba0e44b44498ca75aa8eff6be16c5501c96f80821d24ca5e
2. 0x0060949fcd22337f10892fc820f069903d8f2caf2d97866d1c8a726fd19717b6
3. 0xd5687fe33132dfad59db4af56a1f175e5e041cf3bd071e031caed666ba6fc807
4. 0xc0a7ff549ecc00d93dd1dbefb0d758f11706453c54c3c8c59fd7bf23446636da
5. 0x68012992b2cc3f7b46f7811d7eca60f774ef2a29d849bd7987f0388f8231e713
6. 0x3076f8528902fe4e4195c0a80553d4e799063c17d31028ad010651580068cee8
7. 0xb956f7f201a59c2f120934c801498e6cfe310d649197b8bea7a3bdd143344ce8
8. 0xe70d6cd28d3e1feb585acde53a71ab03eb587975a3a522101f5ce27244a3f3dc
9. 0x9a303b5e855adc372f5f7a354a69fca8e882b656d4cde4fcb4dc98abc0a47f05
10. 0x58b98cb68d811777b33dc28ecad6a81b3c0f2cf586dbb3f30833b522b561878f
11. 0x9255401df82b9e9941c23ddd39ab6a8c8824d085d3347dfb42e9e4b3cad50c96
12. 0x29d7a2a4df0d7fa79f3b537becdf01ca611b7c70fbde18f9fae82bb3e270cc73
13. 0x6129eb29b7f3727c333751ed672fa6e4b231f839ed64750b5d1005800847c8dd
14. 0x43a0d126875c656347b68ba3c0196959406aa8df8a7cd284fd2814ddd386322c
15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90