Evidence row 1835912

What was observed

{
  "endpoints": [
    [
      "web",
      "https://getmailcheck.com/mcp/"
    ],
    [
      "mcp",
      "https://mcp.getmailcheck.com/"
    ]
  ],
  "name": "Mailcheck: Email Open & Click Tracker",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T21:26:54.085551Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T21:26:54.085551Z",
        "updatedAt": "2026-11-01T21:26:54.085551Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Email open and click tracker for Gmail, Outlook, Zoho Mail, Roundcube, Hostinger Mail and more.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "128x128"
          ],
          "src": "https://getmailcheck.com/favicon.png"
        }
      ],
      "name": "com.getmailcheck/mailcheck",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://mcp.getmailcheck.com"
        }
      ],
      "title": "Mailcheck: Email Open & Click Tracker",
      "version": "1.1.1",
      "websiteUrl": "https://getmailcheck.com/mcp/"
    }
  },
  "source": "mcp_registry",
  "summary": "Email open and click tracker for Gmail, Outlook, Zoho Mail, Roundcube, Hostinger Mail and more."
}

What the leaf hashes

{"body":"894bb8f33bf261e8fb0df78fe23cdcc378d2e33cb596d7ea45ba5f98fc737511","id":1835912,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793571470369983,"prev":null,"subject":"mcp_registry:com.getmailcheck/mailcheck","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0xfb2bf39b43d0d6dc1c8af1c138305edbd2c7b541678ff2eebebce4164e914a88
2. 0x865db06b7a09eac8936c44cf06da7423796d775adb943e0241b30aef2c0f5e21
3. 0x254088970f324a50e5439cb32fb59e305efa174162e90a62707ceb0b2ef39e9a
4. 0xd35f2827744fb5ca66e58fac438ac0ee9bfe7b735242c2d9c0241d3676a8d8fb
5. 0x29190bff2aad1d6306eee0a1ddca158b5b3c28da2c7929304c2cc9e47c959b83
6. 0x80b80e1452ab7c62e0a98b880203ab2bf71d92306fdafe0d718cc84301bc4eae
7. 0x65d921263b9dc2955041171d71f3ca610068cefbd1407e21bd63abadf4534a09
8. 0xa0c3d07f4de670b0abdc06c2442aab6ad23102dffcd1b4da011afd67879c6d63
9. 0xe1877bde2c90bea8b05f593f0d12f49395aa257a13ca156a6e14a891d4e343ae
10. 0x03dcd5146e375ff7bc8e79288c655c838d94e645404dbd07e12716cae580d4ca
11. 0x61999a04b51ec90f5d1b0c742864310a9c30f850567f0244ecef9bd5d23848b5
12. 0x6e71a55e0a56ca0bdc131aa827b2dab94f6c61b4184a13e64ea6350bbe474512
13. 0xf8b9b78839288f6f3c2a097f49df191b3fb6db46d1902b4044f5d4ee3643c368
14. 0x7cd72adb87b8751bf15c5933b0cfda4c062b8aa62aa82c7e8571c6aa0cc82204
15. 0xf7af9137c03da92bdd37d086da37554097bcd1fce016f93f2e66d18b71970c5d

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90