Evidence row 1828720

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/exchange/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/exchange"
    ]
  ],
  "name": "Exchange",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-01T20:59:29.279959Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:59:29.279959Z",
        "updatedAt": "2026-11-01T20:59:29.279959Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Exchange MCP — wraps the Frankfurter currency exchange API (free, no auth)",
      "name": "io.github.pipeworx-io/exchange",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap.",
              "isSecret": true,
              "name": "PIPEWORX_API_KEY"
            }
          ],
          "identifier": "@pipeworx/mcp-exchange",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/exchange/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-exchange"
      },
      "title": "Exchange",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/exchange"
    }
  },
  "source": "mcp_registry",
  "summary": "Exchange MCP — wraps the Frankfurter currency exchange API (free, no auth)"
}

What the leaf hashes

{"body":"e4bcc39f0dd5355be7f715b43bb73c005fb90b72d8448c8e8459201cca4db3f5","id":1828720,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567868203945,"prev":993184,"subject":"mcp_registry:io.github.pipeworx-io/exchange","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-01 (302406 rows).

1. 0x04a4fdea0aa02eaadeb6d8b4b1bbdea07bc4d95883bce07a940628e9c38564c0
2. 0x97f57ab8226e403f8464ad728c4cc54c26ba0abcf636bb7020b32160b37d47e1
3. 0x39ce24d1d17fe9c43c5d15b625fec128ec85e94f25d0d26d971cb6f3b931c32f
4. 0x9e0f1a789074c86854e6260b6d38c19a1f0614358c1842da1b30cd96267ba7bf
5. 0x77486b3baff61ffa66d3817a574c1435a72aee5a0f0b861e5bd0cba40fb0c407
6. 0xf45a569d5eb01e7e32bf6832d9d234d9dd8f09b869ebbb27f2ef10f5199e7b77
7. 0xb9237442d6b29105de9c19b9716727093e2cfdd1f099a748604586ff5726020f
8. 0xf3ce9ef1bfa0d6c62260c3bf26c64d15963a17626d52ac3a4cc466a34735aa8f
9. 0xf8ca2c2de2505488d25a0f556102f300f933e6e8fb54d48cee006def5c399276
10. 0x362adede6efe63c1cba15f4900d851aa2ec1b778f9a7d388b15d92ee5d852f4c
11. 0x54a37b31565710214aa63e8906e3bc8e47f6603f406761b13a202fecf679bc44
12. 0xec4ac8e9128a98bd8b22c9c86fc6c8ea37bb9a01b3450b0ce0212616ada165ed
13. 0xc5ca32546ce0064b3138a27ee36e8efc96a7bb8d2662039a9f7264614b609213
14. 0xd6df189d40f713323baeb698612a9e7d2afd763112be148a165d7fe65a5c64f7
15. 0xb611d3d400373ab2497019fc1d3d5040f4f6589f8d98d8e25ccf29dd2b68ad92
16. 0x5cf5a0a57795246f996e480f05ed085c19d02f7d6e8fc3ddc392412466554f0f
17. 0x02b3554752e71a19b12d7a76dbff436e85387226ceec89fdebdcdaf0122c2932
18. 0x1973893697931b7512ae5dc1a3c92ef92f633ae3574dce9029a35b5e94d2d364
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90