Evidence row 1051654

What was observed

{
  "endpoints": [
    [
      "web",
      "https://apify.com/hexadatalabs/business-validation-tools-mcp"
    ],
    [
      "mcp",
      "https://hexadatalabs--business-validation-tools-mcp.apify.actor/mcp"
    ]
  ],
  "name": "io.github.4robot/hexadata-tools",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T18:22:27.752417Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T18:22:27.752417Z",
        "updatedAt": "2026-10-29T18:22:27.752417Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "15 deterministic validation tools for AI agents: tax IDs (15 countries), VAT, IBAN, LEI, HS codes.",
      "name": "io.github.4robot/hexadata-tools",
      "remotes": [
        {
          "headers": [
            {
              "description": "Apify API token as a Bearer token (https://console.apify.com/settings/integrations), or an x402 prepaid token from Apify AGI",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://hexadatalabs--business-validation-tools-mcp.apify.actor/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/4robot/hexadata-tools-mcp"
      },
      "version": "1.0.0",
      "websiteUrl": "https://apify.com/hexadatalabs/business-validation-tools-mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "15 deterministic validation tools for AI agents: tax IDs (15 countries), VAT, IBAN, LEI, HS codes."
}

What the leaf hashes

{"body":"91aa2b2b778760832b272ae0f9f3194ca045c107d13ffc13dc4c8f003f7c4878","id":1051654,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793301225671436,"prev":null,"subject":"mcp_registry:io.github.4robot/hexadata-tools","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x7bffc7e0721c941ddcf652084dcdd3a2663f1cb711eecd58affc0d8197e544f6
2. 0xb7eff937a231c3ec5c8cd48912f9fc8d554e5363e46fd955602e6ab329cc8c74
3. 0x2499908a64736f25c15fe431e0842be4dd5330d6d453714e4217637d042f2277
4. 0x0a1e9f20c1b0b08d067fb4df7b12158e0e85ab134348cf7b90cdf3790a2e802d
5. 0xb18b898ba12b82762fed8800fb6aa06f7ea8200234391a80f5406b5bf63262e2
6. 0xd259e2fe1eeb18487640395b7936d1cce35c448c109108ac0513fb269a6e60d2
7. 0xa7e35b9982d6f8151db35c33ad0a247328041181049fe075a1308cc2cba23f5b
8. 0x422b43286cdf6fb6d1746ca4c56b1f9c419e81421a6c3bfd73f634864be32a92
9. 0x5ad83347479be2f6efdc3cf5745cfcb9a1c864d153369cfcde382bc58259e5b4
10. 0xbd4b2f6f838865cf75754154819e732b8a949e2d376aef44a3589e4772597d12
11. 0x18f9d3836350d14bc7a4d59d85261c0ff401cc8c07c4f012f6108bf52abd8119
12. 0x00f631ab90d962a6637cdd8da097d0655b294a88327346bbe7b23626de3379ef
13. 0x371e975f59480e46efd44f3f221eb1d427557cbd3e6d1512735d19d762778536
14. 0x8ba80727225153704e2051c6b4fa52b7de16d7f5ad7fa0e39cd779b45b20814d
15. 0xcf94ad18fb19d78b9bda4e21e2e80e6fbf3504f3f83fee3273c11933743525c4
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1