Evidence row 3945024

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": "2026-11-07T09:18:12.968001Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:18:12.968001Z",
        "updatedAt": "2026-11-07T09:18:12.968001Z"
      }
    },
    "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": "1.3.3",
      "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":"d32d0b795e85dc6aff348d1ffa1c363c671031ac804776efcadc24935a6b21d7","id":3945024,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043454206501,"prev":3775044,"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 2026-11-07 (195826 rows).

1. 0xae5f0189fc85d95882f5eb7386bd089a364187fbe56bc3686dc78e8709da23f8
2. 0x436378839149cfc38d13621b2372d7ef1f8b84a002f5020aa74111394dac34d6
3. 0x7de9b03adb4d169488e66e0e04909ec5a2496177c2925d0ae22a6223ba2c6c98
4. 0x2384893ae12f78aa0d7f8a7fbddf649138e6ed410494a59a62ea905dcb3240b0
5. 0xde42a73cd71713ac48a3ce3e6f20802f86ea1bcd3d9156754c4bbf8259456b22
6. 0xac180f6baacb94b5ce0d779eaf436291f5a415235fd50e8668f5003aa0b7a55f
7. 0x80af48b8a83ec8c145e8ff70f566504db15ea5b8db9b7e8430366680a12c5a03
8. 0x4cc016cf0c2061ecc5d0922f07622fa1b7716402b48f4afe852b2024e67ac557
9. 0xf1b872dc828e8ba34ce29db6bd6ab6e06d6c630cd23f479eee76a274dbd8c1e8
10. 0x1ffcdd3afe4a86c78d2822a875e2ce40cae2a6ae4b429b668ea85ad9998f27da
11. 0xdc04d931d8e401302aa35e0140ec7f2e68124eebf5ce80332907f596002be30f
12. 0x80274d948c0caee86ba4366988f21012604aa042da85ffaa5d92de97482b6915
13. 0x7e081e199af948fbf5222d592d68f17f88800feac5a6cd0d0277d898c49a6646
14. 0x6065413194326b10c0e957a6ed77fad045c76a708d9f5e291ca690223cf2d7ba
15. 0x2afbeaef1e4de4b2a6d70326e3dc41f9f1c65d4fc46630d217fc932790b0680c
16. 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa