Evidence row 443270

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": "2026-10-27T08:35:02.847772Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:35:02.847772Z",
        "updatedAt": "2026-10-27T08:35:02.847772Z"
      }
    },
    "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": "1.12.0",
      "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":"a24ce47c37c4cd257ca03c6ae457c54907e4d89290301aef2011f267f129eb0d","id":443270,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093259040696,"prev":56776,"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 2026-10-27 (273461 rows).

1. 0x6792ebf0e4e0ace18046af84987949e901e3b9c9ba6acaed642c26508558fe26
2. 0x1f570d2084db9765c795860d142857d5ee2a7e043b76d2e57b72e598c3c601f3
3. 0x03640e18552896af6ec1b347bc96b05683e1c9a209d67c2b17c2ab4949a04ce2
4. 0x2ea113a3fceeb6f88e9a95d833ab3b539cde51d48f2960d52c4d7dacc933c7eb
5. 0x7e39f299d3c9f732b37dcd7e3dfa04cee03323f59a686952da18d05d10642533
6. 0xcb2b28a47b2ad2cf62b32a9cd4d8406c1bb6de5f49cfe5ad97eba3d4157a765d
7. 0xb54e4db87d25757f80e8db797bda394407fb1ed5da7e182a6d56dedfd56524cf
8. 0xc9f806e2d6d08cec264170928e22c261006726b11fddf2f22733c7cd173cc2ff
9. 0x3ea9ab81eeb842733776329337a9d51a15bd7a790e8a375316469c0cd2aedc93
10. 0xe1b6a0c120edc0f0c2cbd8f1aa68f6744ea021014965b2e671812a2fedf53ce9
11. 0x48ff5606b64d91742c8fa41d67fc330937434ce7b5ba57971caf801ce419f684
12. 0xfc80c3ec28002b5abbe969b82c8409cc3216ef75df720eab92db371621f671d9
13. 0x4c257542b0421f909cc313308d9054fb29b4b46d9dca1b83169d04797233fda2
14. 0x3c5462812bd2f841e3d7deefc01555f18262fe5e0d5a7eb155330b7a7cb0388e
15. 0x6f00f0da417f4126951ba8ba9b7962c847e91f5c61364ad9ad47e5f979698a60
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4