Evidence row 800743

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://goteamup.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/goteamup/"
    ]
  ],
  "name": "TeamUp MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T20:04:52.23271Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:04:52.23271Z",
        "updatedAt": "2026-10-28T20:04:52.23271Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Check classes, attendance, customers, memberships and invoices in TeamUp and register customers.",
      "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/goteamup",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://goteamup.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/goteamup",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "TeamUp MCP by usefulapi",
      "version": "1.27.0",
      "websiteUrl": "https://usefulapi.io/goteamup/"
    }
  },
  "source": "mcp_registry",
  "summary": "Check classes, attendance, customers, memberships and invoices in TeamUp and register customers."
}

What the leaf hashes

{"body":"9d880eac20a1369f4058cc6688714819f33b628d2740849d260aeb49c5d7d53a","id":800743,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218351500549,"prev":795722,"subject":"mcp_registry:io.usefulapi/goteamup","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. 0xaed137e24d8a26586d18dc9f4a782ee6807f316d06e7835e256a145afcb93235
2. 0x3e105be7ba6c810d660c6815772d0ce1711b64017b52bf493b3e8bed13a2c4ea
3. 0xc411324365caaf35d5e313639770c56ebff7380df6b7d7b065127ff78a74262f
4. 0xd9676723c6d1a83642a43dfc1db84ba9547a02d7ee9de9d78148c40f7b17b4f6
5. 0x8508f132d6e575db218050b4652b43aed41164bc31e24cedc978b26b33189048
6. 0xc6213e3d9620cc7920eed6c2bdd7e15560c5664269e1d577306c71cd092ee761
7. 0x2128c086a7cecd0f88cc6c09862cd6817669e8bffb708c6a3b43d96562730f19
8. 0x266742403d2b2edbc9217f2430c32f8dcbcc0feac9c134e0cc9bfd9604688113
9. 0xd65ef79074c85304880bf6583545e3825d273bd82c074432d922c70be4b34226
10. 0xbc2e9c2e7b64f23f5157f40c50faad18dfa3c9487808ac202ceb4beb95495ee9
11. 0xdfac11bd511fafd000fd4664617ac6d6bc4f6717ffb01c8b1e084e93ba425578
12. 0x31f1c419799292e0c3b46ba94440b5526ba262a7773ee5713dbef598363f4dff
13. 0x98b9fee8fc2de9dba94f4f81cf80de2396e2d2fccd881582ec5782c4d1a2f275
14. 0xad5ed8dc5ef9ee1ff21d19f603db7fd603ad90ffc13b68cf331a879eabb7b657
15. 0xcd8084fb60eb6be382a8750a344eb425404f5162e8ae3db9a15ef555a7942b85
16. 0x0f8977bd16865247451d1ee836b084081d3d0cd17d6a07353fad0c70393c7403
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae