Evidence row 1537760

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": "2026-10-31T20:57:30.463487Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:57:30.463487Z",
        "updatedAt": "2026-10-31T20:57:30.463487Z"
      }
    },
    "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": "1.3.0",
      "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":"ad8b9d5724693cfa451cc1cdfbe1669e4cb6204fc83db35b2323ab788bd77370","id":1537760,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481416855707,"prev":1500084,"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. 0x6caeb5e421f2359f4e55849a0910464ceb004f9262d033d866ee926f5cd505f4
2. 0x00c151cd2b689f34d33de69a9a1c05505205c8436ce2cd8b36c0011af8a1ac28
3. 0x03e74888d83ef4bc61a971fa4305c008cdb56d7cb2d72597cdf116a8d1da8c11
4. 0x8dbb8662f58a753ef79fea1e241bb33f107a15c3aa7f89bad1057e8623ce603a
5. 0x4919249eb2627cd74aca3fd84a25d08445cacc27050c0737b4dfc10a6d7efdb2
6. 0x473ed7b700e03c9850817bbbacd71c29680943bc5cea19d413a36329afadc232
7. 0x9eb237d021e5a016ec9bb25d6cfcaabbc361c408ef8435942100f878df1f642d
8. 0x820c87cb85a11bd798a1b9e500c5f91d07153a3c629a57624213ed838e90847d
9. 0xeaa11b8f0f1f648e8917ff322aae7eb3a0392f6deb1f68e1689dc59234476b80
10. 0xf8cb9500648ed6e17e83e458c401b75febb18f8a9edc33257d82e3feca681148
11. 0xbfa75673cd4cd764eabc6215158ebdddc65d88620cf1d539458420ee02d3f916
12. 0x6caf4b536b15866139d10dfa77c2ed6d75a06cbe47d2a83cd535d0a06b220d6f
13. 0x1c2c743fc81bf98ad9011edc47e35ecce58da21b909d893da38929bde1fd5d8c
14. 0xac33b3310fc2d37a4e515e0c8775d4934592f3daaaf032bec47eccec8e01df31
15. 0xda82240eda32eeb01478d5898342fa15b35b5682549347c7a22660b37913617f
16. 0x919f237dec4df392868ab95f1d4300b185479ae64464cbc2e7385ad1fd6ab390
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0