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Evidence row 1249765

Observed , by sync.mcp_registry/1.

Kind
listing
About
source_record mcp_registry:io.usefulapi/rapidmail
Recorded
Previous row
#1025810
Body SHA-256
f8d9e9cd0f997886c05854950fff2ccea1aa5b3d23d30d2b26281f3a254f633e
Leaf
0xcbfd6319dd1e034f7abf3b314e8c9baaec62c846adb9a55746c8fee5702d1e5b

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": "2026-10-30T12:20:56.452773Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T12:20:56.452773Z",
        "updatedAt": "2026-10-30T12:20:56.452773Z"
      }
    },
    "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": "1.16.1",
      "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":"f8d9e9cd0f997886c05854950fff2ccea1aa5b3d23d30d2b26281f3a254f633e","id":1249765,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793366123182867,"prev":1025810,"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 (243099 rows).

  1. 0xcbfd24294af1d673e44caa7498267298846169bf17e4b8067d209d70aef53ed9
  2. 0xfbdd355ec954e1b7a324c58374b46211ab38863e566851a96cd6122114c942a7
  3. 0x2e2734436409f4bc457b690b6d4222a2d2204b7c59fd51d363b293cd86e2e4d2
  4. 0xe32fb8f52ad15291f327d0a67c0936cbbf02204455041316c6bec1891af0d08a
  5. 0x5475e233fa23cefac7149c46028606bd89c413a6e67016505bc1a19da331346a
  6. 0x5ed95c6db4ed580baa44d480a049cfd5f555240a598e0f4d48b157bff46e8f00
  7. 0x7a04115b70958e9b10cd8af286426c776812caaa711bfe1e8d972dee3aa14f3d
  8. 0x02ec8f48445f86fdcdcece9a526089b33ba631c6f46e080933aab167e0d70185
  9. 0x6d177cbf68a5e78ae5d829e44836bb2d9739fe9ff23ff57ea933cac2a698791f
  10. 0xd6a42993f9dbe7a30aeb096aa91e9fbb3a409e919110e4b984fce54bacd3dc73
  11. 0x5509a14c9ab18fc3738e14a77fcaf58d845612372f667e499a6810a016db0a17
  12. 0xcac83c8b78eb7f7c5d8aacee1e719e9ed1cba2045813b09f969902ab848ae425
  13. 0x7dd437c898d20229e76a7faab5e409af0e7e8225e640982d9bcc230f9c2ab2be
  14. 0x7ac7cb68967f6959f2b6a4c2bd1261865c8bce61484defcaab7d55cd759f2223
  15. 0x9fb4eebd924fd42d4eb61d55691812de0db9242fc9c0dabb65c4054447246797
  16. 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
  17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
  18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d
Day root
0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875
Chained
0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822
Published
On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861

How to check it · This row as JSON