Evidence row 3723757

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://rapidmail.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/rapidmail/"
    ]
  ],
  "name": "rapidmail MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-06T12:08:52.286242Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:08:52.286242Z",
        "updatedAt": "2026-11-06T12:08:52.286242Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read rapidmail lists, recipients, mailings and stats; add, update or unsubscribe one recipient.",
      "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/rapidmail",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://rapidmail.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/rapidmail",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "rapidmail MCP by usefulapi",
      "version": "1.22.4",
      "websiteUrl": "https://usefulapi.io/rapidmail/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read rapidmail lists, recipients, mailings and stats; add, update or unsubscribe one recipient."
}

What the leaf hashes

{"body":"1fb2b6225cf94ede78aaa31564b3d4047342d1929a98013cde3cd2bc98bd0077","id":3723757,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967741309144,"prev":3414474,"subject":"mcp_registry:io.usefulapi/rapidmail","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0xa8b6c46bd0bd218076ec577f96bd11d8c61eaa3acb3000584eeec3199be5d563
2. 0x71256631c92f3826f5ee71982cf0cfc3bcd41d10045a939890ba934426b2c5f7
3. 0x27519ba7adb3322d9c5c4d4c62630e767ec9a473ddb12f4d389924bfa3b887de
4. 0xc718b688e9c78b9e7ae2efd5ea16916d2f7bf5dacc4551cd72b0d565aa24db20
5. 0x1e0be992610f3a3fbce9f1086862650a7cce4de4d7e4c8d1a08877c40ba6fd20
6. 0x0b7b2572737bd63324a8543f03ea38873f039d1017b682f958f54659cf020896
7. 0xd454488fbfb42c28bf0da44d6e46a1fefe61f5346b2230ef288560e1f6ae05a4
8. 0x60965a7d1cdab88999d985b8c72c7678af0b50cb9df2fa9989cb74d9c9540014
9. 0x90fde00ac2ca6bc8b336693835bcc1f3daa0143e14aaefb0fcacd1114e6e296f
10. 0x162ac3f6643d7e6648f0fc46bcbde994967ad2b02e98790d824a56ee2af96b93
11. 0xd5222148a9f2a7aea151fa5fdf0126c1cd88e2a86b5571269b09bc1bb7239a63
12. 0x1a35e28a11322b72c1ad93bd8037b69df8f4ed5f7e6bec410fbc6f23251522c3
13. 0xb02c1cb653a7746407d955b2e76a432691b775223105f0f2bf6cdd963c56a912
14. 0xb8cdc3434f126e876ea2c3ff38768a8afbd1988aaba81d57ab2a78f3dfcd545b
15. 0xb12c082ef1a62be55def66eb167199a0d5bfcaf36f2f6e389298bc918cf1b0bc
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1