Evidence row 36539

What was observed

{
  "endpoints": [
    [
      "web",
      "https://duty27.com/vat-rates/history"
    ]
  ],
  "name": "EU VAT rates",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-05T19:06:30.928707Z",
        "status": "active",
        "statusChangedAt": "2026-10-05T19:06:30.928707Z",
        "updatedAt": "2026-10-05T19:06:30.928707Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Standard VAT rate in any EU member state on any date since 2016. Offline, no API key.",
      "name": "io.github.duty27/eu-vat",
      "packages": [
        {
          "identifier": "@duty27/eu-vat-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.1.1"
        }
      ],
      "repository": {
        "id": "1405895224",
        "source": "github",
        "subfolder": "mcp",
        "url": "https://github.com/duty27/eu-vat"
      },
      "title": "EU VAT rates",
      "version": "0.1.1",
      "websiteUrl": "https://duty27.com/vat-rates/history"
    }
  },
  "source": "mcp_registry",
  "summary": "Standard VAT rate in any EU member state on any date since 2016. Offline, no API key."
}

What the leaf hashes

{"body":"f348a7f3708fb07fd2dd115fba9c7be2481ab2bde75e07a829d68f61ed3f0cae","id":36539,"kind":"listing","method":"baseline/1","observed_us":1793025380829452,"prev":null,"subject":"mcp_registry:io.github.duty27/eu-vat","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x21cf6c675e673e7e7a6c3f4133e801ae1e2c1e418ac00369b64a504f77f64861
2. 0x417427db4caef9b335582b160689ca1229f031fed96a3a7bc3295679c0eb45f0
3. 0xa84caae696381c7a8fe2cdc416451fb620509dbce9522bf2e1229562ce03476b
4. 0xe5690e969001a27c33f146fd641f787152ce1075be872b1af776e633343ffd88
5. 0xa7595dfd6b11ac3136a8ac09e6dfa66ecfb1f1823b7e5172370126fb1651662f
6. 0xf89bfacb6fb05d6cd76c9111c559b8df20e4c1d0be7ba372aa0635ca21cba419
7. 0xc866558fcadc0699fa2d43890a9b50d2560b6f131a95c885f46dd11a99b6d11d
8. 0x6c5607a629a373e415c4f7f137caef38c18269ecab4a43d337b53f4859794b13
9. 0xe60bf97619ac6c7eb964e44d8f98480ae58bba8d1a2bae4d1f737d2e628354eb
10. 0x52a03554eda198dc4680d30e566c1eda71c25f02648bb3a67df331bf196cafc1
11. 0x71f472bb5c514dca2395c7842916e5cae63a9c622d8bc8f84b07a986c5ba91a1
12. 0xfde157310fc8513767b162378ca9ceefb2937c374b7381a8887f7ccba8ab5a80
13. 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae