Evidence row 1257751

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": "2026-10-30T15:16:03.468619Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T15:16:03.468619Z",
        "updatedAt": "2026-10-30T15:16:03.468619Z"
      }
    },
    "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": "1.16.2",
      "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":"69e0401bbed48c087423d73458b43d134210244ad4d4b01ce0d76b52a4255368","id":1257751,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793376930562815,"prev":1249765,"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 2026-10-30 (243099 rows).

1. 0x1404f88fd487976f4d382074642070923055029b51ef031c0455812b9b991abc
2. 0xf589cb457aa95febd03b6b413578bd354738dcf3c5918e7bb69ee85953057415
3. 0x0fcf784afae349f5492fa665f246cfcd6d9b48435c211e52d3f1ad6c158e3aec
4. 0xad041a4bfde1b666b6ee7a4e46ac3ddcccafae8749f5c5693bc25ec246d19793
5. 0x325a2c0b904522d778d3d407b0cd0b78f289238a0f4b3248098e494744ff29be
6. 0x6cc90860128fe12bada6863c33cc9cb6896d086399f85967d2e425ddafd61e2d
7. 0x56c2d257d21eaf9dab2954f28ad3d03feaded4d73e61a39131e919f4769c88d5
8. 0x695957022bf010243d7d1b9bbbd137649a86cf143e37e239aeca0afe8d26a79b
9. 0xefe6979ac95c217ecad7cb5cbdee34e15547a828236db6a572b9cf6b20b4bebd
10. 0x1f392b94a0f52f10c3f53d14affc71c1cf8a68a8befdb9f34f1e9a82c5e79d4a
11. 0x49a7fc259d78ea5abd3a5b09b64c767545a430ffc2644b6c1f1923522fda34b0
12. 0x08cee1babbc898ae66b91eedddf9abc2d776eb07818ffbf102e023bb7c34edd7
13. 0xff3316df20da7d10eeb009ce403c3a10945e4f04644a76b6fa35f66715c99468
14. 0xe18460a4fef6812b03798b9b10352dd88bf2495282cb7665eff1cdfac9ef6888
15. 0x0313631fba69cc31784d20beec069335df13219f8a8a8a8831740bca4d4aa0a0
16. 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861