Evidence row 55095

What was observed

{
  "endpoints": [
    [
      "web",
      "https://wycord.com/"
    ]
  ],
  "name": "Nigeria FX Rates MCP by Wycord",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-21T00:54:29.416323Z",
        "status": "active",
        "statusChangedAt": "2026-10-21T00:54:29.416323Z",
        "updatedAt": "2026-10-21T00:54:29.416323Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Live Naira (NGN) exchange rates vs USD/EUR/GBP. Keyless, cached ~1h. A Wycord product.",
      "name": "io.github.wycord/nigeria-fx-rates",
      "packages": [
        {
          "environmentVariables": [
            {
              "choices": [
                "free",
                "mock"
              ],
              "default": "free",
              "description": "Data source. Default \"free\": live exchange rates, no key needed. Set \"mock\" for built-in sample data; every result is then labelled MOCK DATA.",
              "format": "string",
              "name": "FX_PROVIDER"
            }
          ],
          "identifier": "@wycord/nigeria-mcp-fx-rates",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.4.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/wycord/nigeria-mcp"
      },
      "title": "Nigeria FX Rates MCP by Wycord",
      "version": "0.4.0",
      "websiteUrl": "https://wycord.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Live Naira (NGN) exchange rates vs USD/EUR/GBP. Keyless, cached ~1h. A Wycord product."
}

What the leaf hashes

{"body":"a46d2d006d93213a3c42e48411f0ca04ba3bd1d051faf855c4ce02e87a6732bd","id":55095,"kind":"listing","method":"baseline/1","observed_us":1793025434492494,"prev":null,"subject":"mcp_registry:io.github.wycord/nigeria-fx-rates","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xdfc2f205e7d9d17455da043c9025bf8cc936775b81dea3b8dae27135154433c6
2. 0xc472f6211d64c4652610282c630c138720012f647633b97165cba037496a7018
3. 0x7e52de5df1e6830694a1355861a554d9dcde71062c2e6b1424424b0d72001366
4. 0x196877b7948cbbf7a77930c4bef1afd660a15bf8a481095cab5e65263078a1bf
5. 0x393d7be22ed9282d15e29f81a0121e5a2054f6de546c0c692bc04256200dbb16
6. 0x2fe2e51032969a49281ae17d2f7b825cbf274d0caa14beec46524353de94d8c4
7. 0xb705e791ccaa165d80b3d268e9a71633ba93636eb8e49cb8241e6319bad17e02
8. 0xc3b99f07b03b97ce3cca11eaa28f8306f2f6906c174ad74e64158b658fe0fc81
9. 0xf7e52d0041e39015858cbea236035bd92d105a3ad5137de0ecb2ebbc6824e3b9
10. 0x5fcf567390d60c3be94cd0675a7a9d8d57ca82ceeb7b8db2c45bb7a13bb42b90
11. 0x07a6fcdebada154e3a5a086ae2c78ad003011940759e5f38c005cc9b2ec3ef9d
12. 0x1cde596bd397df62b2525df79e5a761af7d1a292cbcfd283ea8977aecf9334e7
13. 0x3fcdf7fa32ccefe771eb57ae3015142065d64e3ce732fea7d11b9a3c99dde44f
14. 0x0b7541c75cc482a7134110311d7dbd02095d969ba21177de9b21a52a55981718
15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae