Evidence row 1476816

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": "2026-10-31T03:18:55.336345Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T03:18:55.336345Z",
        "updatedAt": "2026-10-31T03:18:55.336345Z"
      }
    },
    "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": "1.0.1",
      "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":"273de4da84ad42a1ca6b42aaf3567abfee7bdf7a0e98fc43ea9f67fdf8d48c1a","id":1476816,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793420148028075,"prev":null,"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. 0xafc9889fbce25fb202583cbbff17899f6775c0fb161f2fb622bc035b935b14d0
2. 0x26398640e64e71604017cefd868015705721d9722e6bc82b28f03c72e6133219
3. 0x5791f5b29958ac5fa0dcd09fae4a95a3a9c13cf9d89b783ef4277bb046dbdddd
4. 0x1d6a461e70360dae1305e5e725845bc70dd49aa6d627d180665a6d653c42f28a
5. 0x40e7919cf1290aa9700ec1765474f144a0d3cb28ed03fea1dceaff0522ea2486
6. 0x43fb9e553ee161380d832969d911c264410bc1f464dcba657e837623c68fc307
7. 0x9cdc26fb281a1f67f73573ebae5d1a51b6d3930e426790e63b77205b841a81b4
8. 0x534f7925d377442623f2cef8f6d66dbcfbdad10bb59c1260d4f93cca8a18ffe6
9. 0xc23280325b5ffdcd13d6b25d17761457a6c6b90ada533f67cf162ecd96230f32
10. 0x3102631ef5bfa60a805ffce866e6913a38f65cfba5b42836443fe3c3dfe63350
11. 0x0f16742a3908655b5ceef1a052d752d22ccffe72ffcbefe4360cd3f705a65ac8
12. 0x99f245416ba879dd122979c99f59a2cee6bfded7eb430c11db2c1e2b31382629
13. 0xb09440bf6646ff777d33f0f00bc9aa431a06af5faf5954642c917acff5aa3d78
14. 0x17b4d08af91ab833713ac6154ec68f498dbe032401780285c2ccdadad6ac27f1
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0