Evidence row 3987264

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/wefact/"
    ],
    [
      "mcp",
      "https://wefact.usefulapi.io/mcp"
    ]
  ],
  "name": "WeFact MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T21:56:49.690023Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:56:49.690023Z",
        "updatedAt": "2026-11-07T21:56:49.690023Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Look up customers, invoices, products and subscriptions in WeFact.",
      "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/wefact",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://wefact.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/wefact",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "WeFact MCP by usefulapi",
      "version": "1.2.5",
      "websiteUrl": "https://usefulapi.io/wefact/"
    }
  },
  "source": "mcp_registry",
  "summary": "Look up customers, invoices, products and subscriptions in WeFact."
}

What the leaf hashes

{"body":"2cd0d550e384f28dd52ca381222a90c8e05ba2aee8b7ea7370ceaa5fba56a20b","id":3987264,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090328965187,"prev":3958480,"subject":"mcp_registry:io.usefulapi/wefact","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. 0x8b7e09c57ea18d83d1f645272e21c0755b87fad2e52ab09dce0eb575507ff18a
2. 0x2c515278df595658187b7143ac2e92dec5ccc2df3d48e29d47f64cb2f94384d8
3. 0xdffb8d57f4d9f6e26ac3a59ea25400b5da0a60da39f2f293eb678715c38b92df
4. 0xb06eb667fe0af89bb357a889e54608ae09553d27eb9b16053cec00a5b6547758
5. 0x7d897e05aff2a7744303a190504f7c84b825c9d94324fa2617d2fcdf9ebbdda2
6. 0x261c52c605677048e91d22ed941a127d3dc48385406cbb2228d97d0b08b7db0b
7. 0xef4c458960ecfc5bd98d8b42b9762a41dabcfe7ca655e5eb772f320f0d3f9ec5
8. 0x222a16aecb8d48eb3dfdb72018facc120c7b64616892d187f3c3be08f2fd3b14
9. 0x7c0fe7d716d12341c3676d71d7a0df4219ab0c0ed482ca400c2fbfd53dcad8e1
10. 0xed0832a20a55aa766fea35db1fef0ec88b4960d071d8b25807cae4b24b76b79e
11. 0xb473a00df0b9e140df8e91fef4330cbacc2f7ed59985649dbede09f676b3f2b7
12. 0x0ba7a50fa5a02abb3730e3817b0498fc382af5e33f0323c44617e026cf75868f
13. 0x9682a45d206e1fc61d76ea972f726840f5eda46c7daffbc58a220981508fac26
14. 0x7fdbd47e4134db735f3e6c3439146d858995f8da72a5028572de4b4477efdbf1
15. 0xd41994358bb34b15f062df47abfbb736ac4887eb6ef21ce32a5d581e6ae47e6e
16. 0x39ddab61a3a1eeffcb2f54acf6ff87eaec375674f3e77f00c342826d4e1bf071
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa