Evidence row 806148

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://app.kalender-sync.de/mcp"
    ],
    [
      "web",
      "https://kalender-sync.de/en/mcp?ref=mcp_registry"
    ]
  ],
  "name": "Kalender Sync",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T21:10:36.994478Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T21:10:36.994478Z",
        "updatedAt": "2026-10-28T21:10:36.994478Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "EU-hosted calendar MCP: Google, Outlook, iCloud, GMX, WEB.DE, CalDAV. Read, book, RSVP, sync.",
      "name": "de.kalender-sync/kalender-sync",
      "remotes": [
        {
          "headers": [
            {
              "description": "Use OAuth when offered by your client. Otherwise create an access key in Kalender Sync under AI assistant → Connect assistant → Something else → Create key, and send it as 'Bearer ksa_…'.",
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://app.kalender-sync.de/mcp"
        }
      ],
      "title": "Kalender Sync",
      "version": "1.11.1",
      "websiteUrl": "https://kalender-sync.de/en/mcp?ref=mcp_registry"
    }
  },
  "source": "mcp_registry",
  "summary": "EU-hosted calendar MCP: Google, Outlook, iCloud, GMX, WEB.DE, CalDAV. Read, book, RSVP, sync."
}

What the leaf hashes

{"body":"c9716a4ff1e1d492101c6545b66dc7b902cea0e84681bfa27848b27d409d22a0","id":806148,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793221954195063,"prev":22421,"subject":"mcp_registry:de.kalender-sync/kalender-sync","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x5c81488eca24fc4690458ca43d9f596b741345aef3f4131b97e79ffaa8430ce2
2. 0xe34cea64830424b662a2500c4e6b52de4b7ea03b3e22707f4359dafb29da144c
3. 0x17119a0359df7a598436c7b51980ef923d943091289357e9edba5df4f03aa6a6
4. 0xe1c62a1c5cf085935a9f2f36af1301055af240d096c6d04669bae492ca722356
5. 0x393667096ea6fe83f93eeb18b3228d818b0cc1aefbf789c98fba594f25ad57b2
6. 0x28daf818de586ff08890786435f112868a71592319f34c7e01b9d12c368e8ddd
7. 0x82328ecbcb65d2fa31b62d3a5e0f12c9fa3d2c3913dbaa50103b72c2eab91701
8. 0x763dc6879b6e66ab1f7a25d96ed8710508952788d2e6aa7c540605209bc494e9
9. 0x3870fe3a773c56da0df1ee69188d3c25e2223e71edcfb27f6b45580fc398fbb0
10. 0x7c606825fd0a2c0c1ff1046eb810223b7fa852f78b2a98b989a510c258796662
11. 0x278555b0ee30e2fdd230964deb65cbaa89eba7e1aea3e3b3f9db603d6a390202
12. 0xf08e2cd5ff297e1d8f4dc4d709f58bf9fdcfa6353db6848f7a6b6fa202ba50b7
13. 0xef15c536e795866a8bfb1b8a73e9760d27d138ecef7ee9cc237288f3c6490bbc
14. 0x8db2587099a4011758c742fc2aad940742aa47abddf6007f131e0d5ab4a9e92b
15. 0xe6054de1f67b1e6f15bcf16d2b6536cf35dd9705fdf6ce59853e79784693ab5f
16. 0xa99a40fe210d675bb6ab72d4bb72ab40eb44ac345773c457fbe58e67a47b03df
17. 0x7a743a0a09057bae687051274e1d45bf973bd36a1a4ba16a191b5d29e3bdfa2a
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae