Evidence row 748986

What was observed

{
  "endpoints": [
    [
      "web",
      "https://czechai.io/"
    ],
    [
      "mcp",
      "https://router.czechai.io/mcp-firmy/mcp"
    ]
  ],
  "name": "CzechAI – Czech business & property intelligence",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T09:00:18.242288Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T09:00:18.242288Z",
        "updatedAt": "2026-10-28T09:00:18.242288Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Czech business & property intelligence: AML/KYC, company registers, cadastre, valuation, law, OSINT",
      "name": "io.czechai/firmy",
      "remotes": [
        {
          "headers": [
            {
              "description": "CzechAI API key (request at ceo@czechai.io)",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization",
              "value": "Bearer {api_key}",
              "variables": {
                "api_key": {
                  "description": "Your CzechAI API key",
                  "isRequired": true,
                  "isSecret": true
                }
              }
            }
          ],
          "type": "streamable-http",
          "url": "https://router.czechai.io/mcp-firmy/mcp"
        }
      ],
      "title": "CzechAI – Czech business & property intelligence",
      "version": "4.0.5",
      "websiteUrl": "https://czechai.io"
    }
  },
  "source": "mcp_registry",
  "summary": "Czech business & property intelligence: AML/KYC, company registers, cadastre, valuation, law, OSINT"
}

What the leaf hashes

{"body":"2363e1027905d320accc87048ae35cfa9544f11923fea25bb8312db8b5dea785","id":748986,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793178648736993,"prev":null,"subject":"mcp_registry:io.czechai/firmy","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0x3caa0f3d55261984fbbc41a5cca432b2e49716f10583909bfbf6a975b38fa309
2. 0xc910ccfb4f302020f6392be2ba65cd76ea1ea3d507d2af47023485b0dddaad65
3. 0x14f396797ce51aac92fc37b2d6bbf00b896fe461454600045dad2e88b63c9197
4. 0x68ccc4e477db58c79e27aebfd11b8bb95d1afc284a497396df597ac0eaa7c7cf
5. 0x50eee37781f6a4107022dcc06474a465395a83fe0d306f69d1c6f04d4d19ff9f
6. 0x4572312669505b0e7c65e80058604031e63de3720a1a16e67ce904fc15cab615
7. 0x7a77a15d7fe08a3b2c485ada03954417303e702fa1e4d808e3bb925db2e5eb27
8. 0xb040b5c381c0830b1bc9e600f5bd5ea66a73558e5d96cacda2763249cb3a6aa1
9. 0x8f89b34794d4274823dcc672ac9ef0d1d1eed67d4aae8d8f3bebe33019776df8
10. 0x21e24b03b1f2fcad611c1b382bf54403ec3efed2cd675fdfa465f84c6939ea2c
11. 0xc2fc7de67aa26dec8da0144fc8a3a0165b62a61c66c0c0c5ce190a201e149ee5
12. 0x9eaf89ac70d7e6bb9ef427f271732649ac7eeec00c20372703dd063a4de561a1
13. 0x63d8fba4c1ac6356bc7771c30133b584693889fff67becc311d415976695e5d1
14. 0x7b2e5f158ccf01de5b2c0c5b723d8c5a690e0d4e9302d283bc82cd202622595e
15. 0x91690f98682e078d41b8b72edeaea70473545a876fc3baa645fc988225096386
16. 0xaeb1503e5d0d358b256ba97a10178c357ddb8f55cc961925ccf0458aae5ebcae
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae