Evidence row 1500340

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": "2026-10-31T17:14:36.618895Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:14:36.618895Z",
        "updatedAt": "2026-10-31T17:14:36.618895Z"
      }
    },
    "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": "1.18.0",
      "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":"390690030093bb16add40f20996980f11c3cf096e582e59987b6e5fc4af29d95","id":1500340,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466975986429,"prev":1482137,"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. 0xa66596c5fdfc0df2d137047938284712cd07eddc7916e9d51c031b9c287c724c
2. 0x218fb28d1496ab428351a0991d05919e3b7adbe49891c1e079bfbb4d396e2475
3. 0xf90dc450764f7723977be20151f524f16df4cbd9b0e2220c21fe05cddd72e3bc
4. 0x28fc6754af6bb4d1201ef711c91baef0b5192fb50b7f9db604aad90133014655
5. 0x1748fea5fe0dfa7a7b69d61ca11b35b96c965989a267c980606ee10249bf30c3
6. 0xe3ebbbe1aeb98428f2f7c2e66d7045ce76700d5e87a9db367570447bb08d67e1
7. 0x35d6767e2d225fb5ba2b64703f98276923eacd7c51bd64d5d0a46ff54159c9b8
8. 0x03798dc082bd50ba40f55b4d79fb43ab6e78c0fc922a0995354dcd2493fc7a51
9. 0xe0f349e95008786ab9fb267a6e5323af41b5d515dc69fc689da31809feaadeda
10. 0x8ac08ce1da45ac4ade28efe368414d6b8901c1c2b23fd130591c29405bf40891
11. 0xf26267a42f9b804170131f6e623ba50aebaae87eefe1487ee6a2261e4b1b44a9
12. 0xe40f6df214dc38cb5b58d1969f782aacb017feb82a550e9903460373470cf59e
13. 0x42663dd611e2eab6140bef498f806bdd8e3022852cb03f38538ffe81554d0f9b
14. 0xfc4e63034c3e47c4cc19a85dbacdb421762119a58090dfe0c71e13f11f75db19
15. 0xaada757a4e58b5424e31228ed7c84f378168cc321ac8ae3a78bfc8096bcc0324
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0