Evidence row 1538050

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": "2026-10-31T20:57:00.629784Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:57:00.629784Z",
        "updatedAt": "2026-10-31T20:57:00.629784Z"
      }
    },
    "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": "1.19.0",
      "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":"ec585e2fac10ab963ec74093d3036056b06aaba33cbe83355c3dbd768a10ab0d","id":1538050,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481418697415,"prev":1500340,"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 2026-10-31 (246033 rows).

1. 0xda4190ae1cfc60097d36706d57231c75c9c635275c747f3475a1d687776590d8
2. 0x9053dc75338261efc6cdf7933a718c2f53c777022882301e387392d3b6c35aaf
3. 0xee7486d3993876e4fa564007e876b100f563fdc2c31cdabab1420d539482bfae
4. 0xc192c447935c7059e957cf516f2abb8b30c4d3c67ae44b525e40ce6a38ad4399
5. 0x899fad1020e18f2f772ae179ff2b8c9f86debbd4640ac9e62355eb7c1de239f2
6. 0x22d3cc98fc1a61b40f6c8972da7e448cce3d72ae5d144b2306b693d7c15b0d17
7. 0x74907f8f4598483043bf05365fcdd50a2727e4f5ea11dfca103a516bf44eaaf2
8. 0xe3f0178c90665cc4e0533b90cf6bbda2aad58336bd4d8be9e5ca24b6c32bc761
9. 0x61c2d1ebcce7bcf438a3427790b7e94553ba6e983ff346a0076cbae4210a1481
10. 0x048373c784f90a534c91a41fbc116e5610f55b740b0a115afa06f5ac21e277e4
11. 0x6a89d2b2dbbb089dd1c842fbf3bde3b2be97eeec1113eb7653a0eebb400e447d
12. 0x0c06adadf19f919a9d5dc3e0de4a333ea84b77c73233c4564014b6745a7cb638
13. 0x38ff5931db651d605476dd5d3ea00904e0ec5807919810f7803011a660e48abe
14. 0x33d6b05cf42539c0ad2d9f9d3b99e4003beca3e59b45affa3d20cf6d400d4bbf
15. 0xad3f03d7f9e1b66264ddfca29446faf13bc0fee7d8eec5f018d0d45302d3f8fd
16. 0x24f03354dcb3a621317889ed99048bdf74b380516ca991bfb585c751d5cc7dfd
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0