addrbookFor publishers
← The evidence ledger

Evidence row 3945417

Observed , by sync.mcp_registry/1.

Kind
listing
About
source_record mcp_registry:io.usefulapi/rapidmail
Recorded
Previous row
#3775437
Body SHA-256
2a63f481092e8280ff6751181526c0b851acc056ab0c0924b41ea3351cc56cb7
Leaf
0x6ef55ed4a6bace591275d34afc5b7fba339bc48874b2313093e715a77fcc5d12

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": "2026-11-07T09:17:18.706776Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:17:18.706776Z",
        "updatedAt": "2026-11-07T09:17:18.706776Z"
      }
    },
    "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": "1.23.3",
      "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":"2a63f481092e8280ff6751181526c0b851acc056ab0c0924b41ea3351cc56cb7","id":3945417,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043457865031,"prev":3775437,"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 (195826 rows).

  1. 0x6ef55aae74c8c49e6362c4e3647ccfd0ce8dbb0534b8ed560dcccce66256bcf2
  2. 0x7ac8ec119eec0583eed83903ac899c80734abc610d66b06daedfbb8116633590
  3. 0x1e4410d91de377c0a95139eac8380880662ee88bd3d25b18a0fc6d10a376f117
  4. 0x1d0781ca230fec13ea48411aaa162acafcf3de268d16971dcf46b889ba93e0ad
  5. 0x9ae8c04b5a4b5d0870e59a40b740155b6054b4077d947e6af3fb5851d0c7d81c
  6. 0x8d15d93e377691a876dc1957eac931245cdbbbf2d51e0745232f0968177aa2bf
  7. 0x17e2ba7dfc0c4766025ac0afadc4f188d3ff6d4e7856326f7246dbb2903a0235
  8. 0x5d0389766fda4b3821e8c4af715b9a2060c3a4580b7e8d113e2993bcb88ff576
  9. 0x5fb8b3857cac348c3344537ca24264900901b2b7b01593f65eb69696faf60fd6
  10. 0x11845dc05ec80641edfba51715e03a148eb601ba6b802ec9c987b3ef97f556f1
  11. 0x92260b40dbcc3226d2f07de6f22b399da222b9c7ae7021642647a255c98cf650
  12. 0xfa36737101abe14146c268d253e370e1d86682cd81189576035d256a42039c9a
  13. 0xe5801f2d98f2783a9d774362088619c8104163c840e21fbf269ac5c455e9df78
  14. 0xe10968763bf5f376ed7bef52309abc0adc0394947582477a2899a3f332842d95
  15. 0xdda41bf8f8b807884588170276b0203d24918e4a5c47ba7f4d5d0217f85e0cf7
  16. 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
  17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
  18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c
Day root
0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d
Chained
0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb
Published
On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa

How to check it · This row as JSON