Evidence row 1481863

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": "2026-10-31T10:53:52.798555Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T10:53:52.798555Z",
        "updatedAt": "2026-10-31T10:53:52.798555Z"
      }
    },
    "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": "1.1.0",
      "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":"4dc3e638d16a5d9e25d2e32f148eb45ed36840be81b39e7f22b5d34d83dc51b5","id":1481863,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793445357424077,"prev":1476816,"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. 0x4377eb5528f6ac293a3ba262053ca336e3086bdc843de0fbb4f786d8f611d3af
2. 0x46879d02fb27e9521f86962f7f763033b81afda98044330dbb930ad40d40621d
3. 0x10814304881d5464033dab243ca54863db536b48f8db094717ff59b6361048f9
4. 0x778f8067d0dc8d8cf1c830a136df3a78163998f2c9709cc04fc5109eba6c75e0
5. 0x38c3c3e10a8b21b21e20ed6f10b1eecbb1938e0a969a457b4f279093431b83fd
6. 0x0a5c392f078fac71ecd4140d8363a52cc46815ecf5a391a4eec8d07a920ab46e
7. 0x38ea02fa7ae1a28599da6a8d8bb5d6f4c00a27dac4c6d0a32ee343790bf31b71
8. 0xee03149d63434eb0b505093966c370da2d9fb06b91e48aae680eaf6f07d4a9de
9. 0xc97e038a0ec3e32f3950c2aab96526058b07e966547aba3142a75dfe64a06793
10. 0xebe1419d59fbef58f1ff27f8c8daa215b0db7359a752beedbc58e53339085776
11. 0x89afda1222981f9b741b5b46082a040863959528b849bb1c5cf7323868cfef5c
12. 0xfee51ffa8c750bcbf37b72246cd37a64c6c2a91732c57e7a49e32d9164a15569
13. 0x7a54c08d5f3c4094c6fd45e1d2f2914fc4df4c6b08f960dc391a45bb8a435724
14. 0x52abc997ae7243cb8d8ecfd77101582ba9534053215bf053c093c35dae7572c6
15. 0xc712f139a437e96ecb98a6d83c47c29921720c39ba2e7e94f4973de043fb567c
16. 0x24ea73817c2ff07f87a42be89aff36ac5fe49b64420a647cd406ee60e6a77f70
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0