Evidence row 2564802

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": "2026-11-03T09:54:27.845737Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:54:27.845737Z",
        "updatedAt": "2026-11-03T09:54:27.845737Z"
      }
    },
    "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": "1.22.0",
      "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":"cb0563eda3567ccb2f217b48355a60609d9d8603ee0e4f7e7e505496199a1aa8","id":2564802,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701163052769,"prev":2546697,"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 2026-11-03 (425475 rows).

1. 0x59c6a981f7dcd07f538f91f03ec6fefb6b4baa52d1405416d7739ec6183a75e9
2. 0x01bf99a9c11a3988803d5970b6429c1a4475cb4946e2d9d3f20d3aaf01606f33
3. 0x8e65744aba8981017a0a09a2d093c4eeba987b0854c54e958afbfec89f525b16
4. 0xbd8e5cb0d76fa93aa2b27c8992ff39250ab8fda1b48417c1b2ab91e7b460974d
5. 0x965bac31187c35dd5cdff459226d93301870831cf14dace2a656cd48859f242c
6. 0x811729dcb3c58494bf0c615b8abf9f2bc87ddb0160e7df22834dd92171c0f261
7. 0x13143e4091a9c69b58b86dd91a5ee1036255f2cce24c694ef1a92572ec221646
8. 0x86d4711e80ddf1da5d41343f9d06296fe3158e65be0c77fd1aeb28245f3ffb38
9. 0xdb43e21b2f4432fad1672c9088217ae43db1dc00ff9267c6cb6b87300a8b404b
10. 0x23fa8140433ff48fd5358c24801a1e375c03953b2bbe25ff904290ab1348d654
11. 0xf32333de15fe8ef62185150aa05aa7363e2555dfd2c36271b3356ced0fe470d0
12. 0xd8df9bad1fb9bc9f80b7d6c2721a69f96d6783dc5f116d66a74d9ba9112150f5
13. 0x387d6b3abb2bc238e53d54b976851224d55ee7b21751b608b1abad8177b78ed4
14. 0x1fc4191e8f35bfa53de7e0451b776edb79a6c6dcdf333b4de5afdb414a516e3f
15. 0x335134861d623e850e919233efd5afeff49bc2ffa02948458dea325cdabfc928
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7