Evidence row 3987034

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": "2026-11-07T21:54:55.092837Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:54:55.092837Z",
        "updatedAt": "2026-11-07T21:54:55.092837Z"
      }
    },
    "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": "1.23.5",
      "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":"03e10ea03553568e3f6c3a04c10ca0a011d3b15791ea3da412bd22da5aa02aa6","id":3987034,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090327088760,"prev":3958262,"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 2026-11-07 (195826 rows).

1. 0x83f40df98ec0e6722b195d817f84cb989a3f0ae6b9b734b6fb2827abbf5c9c30
2. 0x62b2aefa8799eed29de65461e54da98c18324c4f4bef1a64925032630c4730a9
3. 0x53b5f9811b3ea73f1dcb1123d7e256c0c8505d54978c4ea0aaa331601b32a3d9
4. 0x43743ee29bda41f403d0b8beae610f39fb8fb3633a66bf55593d2edff0c2f130
5. 0x87c12c80b6e1f55b25db02c8132347e813f1759ae20249e7b840c0961ddf9233
6. 0xa0320a57772364d1944d5aa13d198482fac3b91b14441c62ddb86d7d3c033887
7. 0x9f627dd6a79d36909d3ccbdec6f5492d0ee61e74f7545fca264908c7e808b8ce
8. 0x0b3ba5aba95c80b8a323d4749873ccacd4755a41688846c43365ea1484ba5a2a
9. 0xed5e216b0674404fd84f5a218a9f197c6976c2ce557c971edccc1b46ff2a6bb3
10. 0xbd1f33cbdec792060796ad84999f633b15685e088bbf6c9d7aa38d8a10b08534
11. 0xca0147915c6fc54c817898095488a4852d53e120037e4afe84632afdee062558
12. 0xec46e5fd3e91ea008a02cba6947827f750edb19316f941441b05f11b9f5b8a7d
13. 0x3ef092fbd121e3af531992cb738dc4948b5ffdbd7d684f463e2121ea5c8418df
14. 0x12c0a392774b845f910669768178b834bb75c37650d35b673c7a7e05ebd31c5b
15. 0xd41994358bb34b15f062df47abfbb736ac4887eb6ef21ce32a5d581e6ae47e6e
16. 0x39ddab61a3a1eeffcb2f54acf6ff87eaec375674f3e77f00c342826d4e1bf071
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa