Evidence row 1001073

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/metabolights/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/metabolights"
    ]
  ],
  "name": "Metabolights",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T05:50:21.784801Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T05:50:21.784801Z",
        "updatedAt": "2026-10-29T05:50:21.784801Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "MetaboLights MCP — EBI's metabolomics study repository.",
      "name": "io.github.pipeworx-io/metabolights",
      "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-metabolights",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/metabolights/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-metabolights"
      },
      "title": "Metabolights",
      "version": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/metabolights"
    }
  },
  "source": "mcp_registry",
  "summary": "MetaboLights MCP — EBI's metabolomics study repository."
}

What the leaf hashes

{"body":"5d3830bb16bfd39447d182439b8d4239a09ad48bb56a6332ae1d97e6e5656494","id":1001073,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793254372331114,"prev":581736,"subject":"mcp_registry:io.github.pipeworx-io/metabolights","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-29 (242798 rows).

1. 0x550a9690dcf0490de683fba1c8d2b3fbf079414f8b4f47da921fdc8ade0bc5b8
2. 0x6dcf1e8d754d880520233763604fc609d2d30d2ac008af721e1a65c7c04ed894
3. 0x94eea1791aa338131f8a4e06dd35279bdb340f3cd7383f581f5fcd52c233211c
4. 0x82ec272a035273eb446f7d19d6f62052f7ad23bae0a23d6e4e576e9b68fe3082
5. 0x2305a418b31cd9b8818745f0487802627a2d469a69ccd5ce27dbcb76ae43aabb
6. 0xf79870f5aa466a28c633a8515921c6d14eb8bc0b2c3705677d999b0db54231c2
7. 0x7d11d1f0c09f19f47bc32de146753d981c6aefdc2fd8ffc0c6d5334579a59553
8. 0x2f5bea90498b549f7ae2e67bdc06631c142dc2ced3d9e21e8ce63545b68c51d7
9. 0xf27db57ff0b926a1ad1a5dfc137d6c6695184bd77048b886783df555e6c72d7c
10. 0x27e4784363cdd27d866862fa0028cc4219ae2991128bcb0ad877a076261caf85
11. 0xff00b72de45ee643160b794b6cf1ace747e13c9087748ced65d447ceb8d644c8
12. 0xa16211a0daac4d8e6bf10f188ed2288cd8b4a1bd931fc66693a302f08549a9e9
13. 0x79a2b064bf90e67cbf49c681e7efbf65c5a717561b62dd64ff2fa0c3ef2f1c4d
14. 0x60542b996483c326b2bd752f929fe970246f1c807373ecefc7577bc6cd0a4cfb
15. 0x0bc4adb5c11d6f42a54004eb9a86e4a9294c3fb793d78af72f971454ecfe5b44
16. 0x976395aaca1b771b7e37710dee4157412909d2398c44e306a2e1e3fe83b984fd
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1