Evidence row 1538237

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": "2026-10-31T20:57:38.339297Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:57:38.339297Z",
        "updatedAt": "2026-10-31T20:57:38.339297Z"
      }
    },
    "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": "1.1.0",
      "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":"57c0b03de17eb6d7b4a54ad047fc63cc66f4e8d8d136cbaa1fb4df22e42fbec5","id":1538237,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481419813800,"prev":1503405,"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. 0x139707d628056a3a7a1e3a0121c4b68c5d05b1792cd9fe7012ba02c7c78f665c
2. 0x525f56400ac5f477705bdf9dd86b83a883545f87ad6c223bef2f7e3c1c03fadc
3. 0x0e87dfb9a92b6e1e8ab3799afdac89a150a7e860209a9700d2655e6fc01dfd8c
4. 0x2e72a5ddb4810e3180db9caae9c11e7e82a8cc8a5c79bfab86a7502a5bd71b05
5. 0x06d6884f8af247a6b649c706946165cb6e40b3268643550e6118617a5822351a
6. 0xdc081f8fdf95ac2cf9f34177f052127423114498d9ec3fac44cfacaf697a8ee3
7. 0x9be7198163f6544806e9679059fb3c0459634d049e186e66cc84af4fb066bb45
8. 0x322a1aa473b7b8ed3e9dc51ab6b0ead3cc2ccdcbd32ac7d0ac3636eb4d721621
9. 0x56ee096e0cf4260e85c3551dfa1b2a1f75f1a9ebb4f6ed7d3692dfbf9402b07d
10. 0x6f8e2a09f6ccc7d44a955e2f6ac1a28915bde4523a29d3fe026f987366559917
11. 0xf78f213048237fd39fc7dbedfcacb2868b90371ec38e8b481ce6e3ee0f27f690
12. 0xda136ada4a2f6b271a96ac38822fb0e8491f6d58179c5b77280c01de32a2418b
13. 0xf2b49afd37f6c7a074cb7e2e9bd6248a3e1bcb90308acf1af6b3be8a3c1b7cfe
14. 0x500efd0d65e793a02397af46769412226d4deefe24ac497b68f3a32f6828638e
15. 0x95ec49fc7f2c7be30422eaa1d0d6036836dd63ff46a8ed4027258fcf3eb8cf24
16. 0x2bca4aa3c59fe9209016c64bd8b706423477e3407201a00165afde9abf6fee2b
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0