Evidence row 3958262

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": "2026-11-07T18:03:53.978477Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:03:53.978477Z",
        "updatedAt": "2026-11-07T18:03:53.978477Z"
      }
    },
    "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": "1.23.4",
      "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":"0c18c28cd402c2bb9c20620bb5430626f238f4b60708e2dfa5d90c9ee6ad5d88","id":3958262,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075902774962,"prev":3945417,"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 2026-11-07 (195826 rows).

1. 0x3ee5e27dad0bac32980b2b739c9aff818cb616ca950ff5d3d5f1aa53a9a84634
2. 0x3d24df06de2fad058a3c64e2f2cc74d33ccbc7ede5ef9c706f6e9f7d48df6d94
3. 0x25cae90065f1d9df06f230ccc1671640349ebc79e592bf2492de94c5c23f0d19
4. 0x417e6d01418b599c7129e19babd821947a9c006a4a8483a75b023f3a4563894e
5. 0x9846d2b39552d82b1d604b9642a3771445d56bb61cc672e5599c96ab6e9b525b
6. 0xfbd632e52fcac3d6fa6fc6a016c500bb15e71ee5c74e2e7d51678b7d694b4793
7. 0xf2cfe20b4ad599bcafaf28221da18ac9162944a9c2e9a22c0d1b757ef14c6205
8. 0x9190c03abfc3938e403ff5cf623b4bb452b9182e11bc1607b6cf2d4da54b7f57
9. 0x8863ea01ea88199eca28c0ffc26af3019baf8310e12d3c68dbfdde096a5a93ea
10. 0x1bfa6f365abfb5f9484bddeaba730438b2319021cb301b60f00d8bb9589d922c
11. 0xeee038d5bb7358cad1a0bd21293a1bdf485a966e2aa263884f2cc5f8feb2cb39
12. 0x65fc922d0b91781f23bddd8b4a42519f2ec42aa86118bd94ccdd851356893820
13. 0xa5a96e20a466cfec764384073f0fea792307c8ff464b459bce5b293e61ff85a4
14. 0xb96cde31376f2620034d37eacb768d6239f6799d719ac01516ef133c0df4dda5
15. 0xa3ca92229f3aac0e9b561aaa066ca1907adc3f0b1685587fa30369d41cf66004
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa