Evidence row 2504935

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": "2026-11-03T01:56:37.905706Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T01:56:37.905706Z",
        "updatedAt": "2026-11-03T01:56:37.905706Z"
      }
    },
    "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": "0.2.1"
        }
      ],
      "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": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/metabolights"
    }
  },
  "source": "mcp_registry",
  "summary": "MetaboLights MCP — EBI's metabolomics study repository."
}

What the leaf hashes

{"body":"aa61c50b01245727cfc8ce33358a7598419fb562ff41c7a0e967e8a9fdc18588","id":2504935,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793672336669691,"prev":1001073,"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 2026-11-03 (425475 rows).

1. 0xa5d8bbd3c819a726dc26948b1ccc84c313d89bb569182f146f37d1602d0c64a2
2. 0x9810e9a4eda414ce180dc55fe51e08d70528b56980b5e3984f1da1133048fc41
3. 0xa755660c5d1493447090b94989f59b4137829ec09ecb19afcce35e207500fb6e
4. 0xb2a69d1ff47cd2bb090625a12be4f0cab1d5420720c21c34e2bc41fedf5f61ed
5. 0x8a3c593fa4c96eb92ba8d6266f6142e969e2849f62f9b6c7d59cac9352ce5662
6. 0x45222c4f17188dca99d2143163b2a79ddfd82f809367a1dd6b95802846193214
7. 0x23ef11def7d9a2f3bc6cde6cfe183bbd04b27c2af259f064bad9ccbc8f3ce9ab
8. 0xfbaee255a5c94b76caa2300c6e1c9f67b72ac189fcac05537075d54d7890a055
9. 0xd4bb89d8eb50f4deb39761a83ac1028512fa18dc26d90fdac6e257f928d3fe28
10. 0x0307f948732aabbb6bde53428b9aacf74d2099c49186a66648d016e4fd685e61
11. 0x5ce3c55295b65f8847fc736e73049a40fcaf941754c17d5f2441a712a45f09dc
12. 0x815a60e45e734228befa37c27152dd91545295d9f9b2b149d67f91c9810546c3
13. 0x53a3eed7cbfaf81d389119a28838f038ff9374739b7125ff237e74956b8919f7
14. 0xc11e64de1e3489c6f039a4438e19d61260cc35d128740205319e373cf66438a1
15. 0xc8c3351be4f517ca5732d6f5ee3d1d64170b8e4410d31b9c614949031fbc07a0
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7