Evidence row 30167

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://vat-validator-mcp-production.up.railway.app/"
    ],
    [
      "web",
      "https://kordagencies.com/"
    ]
  ],
  "name": "VAT Validator MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-06-25T05:14:51.965326Z",
        "status": "active",
        "statusChangedAt": "2026-06-25T05:14:51.965326Z",
        "updatedAt": "2026-06-25T05:14:51.965326Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Validate EU, UK, AU VAT numbers for AI agents. EU ViDA e-invoicing compliance.",
      "name": "io.github.OjasKord/vat-validator-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Anthropic API key for AI-powered fraud risk analysis",
              "isRequired": true,
              "isSecret": true,
              "name": "ANTHROPIC_API_KEY"
            },
            {
              "description": "HMRC Developer Hub client ID for UK VAT validation",
              "isSecret": true,
              "name": "HMRC_CLIENT_ID"
            },
            {
              "description": "HMRC Developer Hub client secret for UK VAT validation",
              "isSecret": true,
              "name": "HMRC_CLIENT_SECRET"
            }
          ],
          "identifier": "vat-validator-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "2.0.30"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://vat-validator-mcp-production.up.railway.app"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/OjasKord/vat-validator-mcp"
      },
      "title": "VAT Validator MCP",
      "version": "2.0.30",
      "websiteUrl": "https://kordagencies.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Validate EU, UK, AU VAT numbers for AI agents. EU ViDA e-invoicing compliance."
}

What the leaf hashes

{"body":"859c13121cc0a9b67b4d7186d4b36254605aa9d190d7f69a092ecbcee06eaa4a","id":30167,"kind":"listing","method":"baseline/1","observed_us":1793025362148072,"prev":null,"subject":"mcp_registry:io.github.OjasKord/vat-validator-mcp","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. 0x90129e746cbee3dc38ed8dd4f7fc53199e7e26af45017089049beb4ec5c2c077
2. 0x88893a2be062a3447dfb34770b48fcc508c24d6fca13e63d36dedca264177d3b
3. 0xa7cf549c0ab51a43c7626b24bbaf70abae4c50426f61a9e91200d45bb66de50c
4. 0x4ae999eb74383753b21c5472d8d64643a86f5f87d9695a3222c64134f7da7ac3
5. 0x295719c64afa9629d68b9f6b6036f5d2ddcadba88595f055212ed17bb657f6ba
6. 0x78aa508b5a26ab52fd33559aba54e6b28c935dd8e91dc2d90d76db7f8dd9a67f
7. 0x46c74701a7522831735fd425c4b7b2c6db0fa7f1e485fa88416c3342da932568
8. 0x4468eeb2be4d4b416304ed5dc4fd4e07882dde51252e26bc0a15f6e283348b48
9. 0xafd07f558b3aa04f1b19ecfcfb09e50a877956021bea2bc81aec22ce641a6f7c
10. 0x937ec000b046e1bf91c802a5eed5cbe7852354ed43b3084c7d16a93933523a5e
11. 0xc41c5ee73cf254bf3fe8e9a8475b0931c3223f7331f30010bc3a5e2a753329d6
12. 0x4634efb8094d1dd2874013b832ad8653e49400f57bf98efdcc5f925ed08d0f5b
13. 0xc0cb184c9bdf71abcf18fda97bd59289153d120dbf8fee9f517b63bf303deb95
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae