Evidence row 800899

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": "2026-10-28T20:04:57.872257Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:04:57.872257Z",
        "updatedAt": "2026-10-28T20:04:57.872257Z"
      }
    },
    "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": "1.14.0",
      "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":"94fb874b88749c8b5306065a08ed93660e367467b48351ec8cddceab62c21d1a","id":800899,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218352743845,"prev":795879,"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 2026-10-28 (231336 rows).

1. 0xefdb98cf7131d68c0c335d7ef7e9a715bcd628a811f07edc6866651355f05326
2. 0x95713c934319328e93b5cdcc0c75c2eeabed19685128211c02f2b901861384bd
3. 0x81d27774869baec33295a9db09275a50745fbb851f31355094259d4a81c71a4e
4. 0x319b4acb4cb4c193e7b635e3070b4f40c76d421abaed13e983c4728284e6286a
5. 0xc5d44a4848e2ade3892706ce213ef7917ce3fcccf3c01134610dcffb64e4f574
6. 0x6ccff2d66a1033f462c2e16c712a71ff11da6ad4c13a6153e01a15ec629dbde1
7. 0xb4f1dbda2bd46f16047c890094344c8251b9c8942485e3202ce8d9a4fd4f519c
8. 0x999dd11ae82918ae22c6951200f4ec17ee55b6a379ca7f8039813fa46f0ae5ab
9. 0xf41249e36561fab83de9155331071364612bfada94d82a3ca4314c7a9d26e82a
10. 0xcc7fccd1fd1558de255cd951fb0a309461c6e1eca9868877c3790cfb862bbcbd
11. 0xc9773a5bd34c330d59a0c594ec3cf1efda7e4e6e7fa8e9aeff6162413acba9f0
12. 0x20179cde505821813c2d635df6658dedf9c5dac9aa60296802366454e3b0de3b
13. 0x7c7680a693651307890c3f1e37c63eee03c1c637cfe36c210695030d5edb22bc
14. 0xfb2274fa79452c1e494276a3ee3eadb7c66f76a08a80f6923416f3d591053e02
15. 0x33bfb51cb957137510d8a1502cd50241c4c0982e2741290f3b8f2d2b1e69de70
16. 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
17. 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae