Evidence row 1541172

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": "2026-10-31T21:45:08.410638Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T21:45:08.410638Z",
        "updatedAt": "2026-10-31T21:45:08.410638Z"
      }
    },
    "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": "1.4.0",
      "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":"54cf155a19551c17310578cbc9e21b687493f0f41eea1100a6b2349b914425c6","id":1541172,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793485021938701,"prev":1537760,"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. 0xbc9b66a7495738c4fb2134880ffa16b901e61b74d7825e7d6fd4e8d7c605a677
2. 0xe830e2ba99257079b6c9119c754f850732ed14096658c8a22df00e3ef066cbf1
3. 0x4bffe10ce66d86d6dcba274e04c7c67658a01abc814741d89c2d544d482fd024
4. 0xfc4cbd9500b3426374eca8291796cc69f8f6ce53c4cb35ca0ddabda37e0f838b
5. 0xb02627d661ceecc98adc241dea7bf88cdc8ee0aba6d976698956e44e3f358cfd
6. 0x237ac1a87d512f557c71716980bc7df8d6f952c83a01a3092580d1c7e71d0a40
7. 0xa2f69a136981c6176ede3150334f57587ccfb452f5d82b106f9c41a54a5814bc
8. 0xef1b08c05f945677589fb0cc6af76fc1b66dd7a83bad98c54531004c211d37ca
9. 0x04f0e04d35cf446362edf17f5fc90a5685e35fe56b6c74b111424b3de59d9f1c
10. 0xd56be33b5a8958f60ff5d748cfd1f6262a75349ac7c76cf95066568801a26e62
11. 0x549cc8e5c9721eac65a8fa99ce0008a2d9a2f476b2d111484fca599a1a771fae
12. 0x189ca097188593fb64508ea40fe93e77e43803fff52b785f1b9e0e2bb2aac3ca
13. 0x8fb18cb40438430412ac0b754f63ab190035570452c03712ee1001755f05f774
14. 0x9dde676db4beb8126c78083f708810f78b6322c93d8e3b10a9a56dd144ea435a
15. 0xdd44ee37f508e0be8213cd488d246afd8e10e6e73374cc6074077c37270cda1e
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0