Evidence row 1500084

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://currencylayer.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/currencylayer/"
    ]
  ],
  "name": "currencylayer MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T17:15:06.469466Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:15:06.469466Z",
        "updatedAt": "2026-10-31T17:15:06.469466Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read and calculate currency exchange rates with your paid currencylayer account.",
      "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/currencylayer",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://currencylayer.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/currencylayer",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "currencylayer MCP by usefulapi",
      "version": "1.2.0",
      "websiteUrl": "https://usefulapi.io/currencylayer/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read and calculate currency exchange rates with your paid currencylayer account."
}

What the leaf hashes

{"body":"d7fca281c8774a91acaf675ad15566526fdd87706ec4df1c581a0a8552f7f99e","id":1500084,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466974585199,"prev":1481863,"subject":"mcp_registry:io.usefulapi/currencylayer","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. 0x8cd14fcfdf3bac2df18212f33c1866f67b70bd1b15d673e688e159f0ebf87877
2. 0xd103f3a8d08f003d865979a40374cdf4ff8ff43db65140e14a5b452a27e78122
3. 0x2cdf8095a0ce86cd35abe9dd57f4510f82b383fc9b482faf8fc2f6fcf75d4b50
4. 0xf75efaa0935f3a62b97e25f12099f9ec1ecae89f47f02a2b40694d747c581cd4
5. 0x968cac632c28df9249d33b33fd93d443373bdea482eab9da7cff16adf86b666b
6. 0xb626e0bf4322abf0b693925711fb7d984fba152f317df130e25e5db69b5d9eee
7. 0x3689697b50ef22b6f7db32ef4b496fe2c37d3b9105df9750b9c46fba77d1c75d
8. 0xf72ca212088a6e6043af0506feddb4a10d32123a1e228b4067c77eab75112c0d
9. 0xcc9c9287040a5eaa2b495d56a19d89c82c0084dd10836c3ba4c871fb849f39b2
10. 0x5a1a41a5b2595d4be4ce199b3c53e26a65a97ea9f0b235287f53054801dd9f07
11. 0x44441e436bfc5523e22d242e000a368db76e2cdf89897ffb397d56de4d491500
12. 0x4b5ce7d6040e32ab0f61cfb08f9e8b9c7072af580549c96b79d11d590b9f1c39
13. 0x473240d96a907ad7172b60dd64bc6ec1ec3c974fbda5be4acc25be00ea94115f
14. 0x53cec9a253425d115917fd16acdf0d80665ab0944593859ce1e8b491b9693e2f
15. 0x91bc1c2b25f148b9b56bf377304983d0f2e68d0d8c3f65c9aaa8adb083331d11
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0