Evidence row 1503405

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/zettle/"
    ],
    [
      "mcp",
      "https://zettle.usefulapi.io/mcp"
    ]
  ],
  "name": "Zettle MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T17:39:17.192349Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:39:17.192349Z",
        "updatedAt": "2026-10-31T17:39:17.192349Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read sales, products, stock, balance and payouts; create products in Zettle.",
      "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/zettle",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://zettle.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/zettle",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Zettle MCP by usefulapi",
      "version": "1.0.0",
      "websiteUrl": "https://usefulapi.io/zettle/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read sales, products, stock, balance and payouts; create products in Zettle."
}

What the leaf hashes

{"body":"00bc91c4ad726dee1644f4625c0c1aad0e054dc299b8b5f4b6f43626cfa34e48","id":1503405,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793470609909746,"prev":null,"subject":"mcp_registry:io.usefulapi/zettle","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xceeb90728e29a77ca6ea8f98cc92b22b97acf4d0be78499fe0d2066185e852fb
2. 0x940ab1c1e7946fc8e36a398999150944e591f32d33ffd92e4f52099fb25372ae
3. 0xdcd141ffff19f90e45e4c4364211670e32e5099f00e6a84bdc2450c7a1693277
4. 0x9ac4b1472e4c188a05c4125a983cbcf34fe50b95ddada4b16d0fdf8a55ca8e8f
5. 0x2bbd162b8c5c0979109e4be661dc16ac3d185fa5d4c76a332caa2d659867e893
6. 0xaa12279fb727cc6cd0f9ed5ea9d6d1d59270c960bcde0e607e52a0931830c20a
7. 0x5633a5ce08613e45de770608ad2a7d1f6dfd1673112e097d1f6f8599e7ff2355
8. 0x241d5935ef45bdb548e4db2087e2d301d9105e40f01c1bb5f6a27f0f78771fb9
9. 0xe94e39d9df242dda1df8c6fbeca0cdc22ffe9af823364440182597af36eebbf6
10. 0x40ea40fdeb2c2715c794a137d3932487b050de46bb8b5cede18ea3a3fea137d7
11. 0x468ac6a22dce19fbfaa27e96f99bbd2e897622df556d42c4e89d3527010d79d9
12. 0xba868b2f1cd63acc426cbe69b330be28a71a278a86a64bc4049a67caba3b7373
13. 0x879ea14b1df50a9eb1b0b6c572c1b9a9c8ea03779d4e7040c5836848130f41fc
14. 0x0914258a3cd32c99db9301b59460f511f2cae6747f3045a418ce9caa1edb7ef9
15. 0xad3f03d7f9e1b66264ddfca29446faf13bc0fee7d8eec5f018d0d45302d3f8fd
16. 0x24f03354dcb3a621317889ed99048bdf74b380516ca991bfb585c751d5cc7dfd
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0