Evidence row 1288034

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/biorxiv/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/biorxiv"
    ]
  ],
  "name": "Biorxiv",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T20:06:09.056122Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T20:06:09.056122Z",
        "updatedAt": "2026-10-30T20:06:09.056122Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "bioRxiv / medRxiv MCP",
      "name": "io.github.pipeworx-io/biorxiv",
      "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-biorxiv",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/biorxiv/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-biorxiv"
      },
      "title": "Biorxiv",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/biorxiv"
    }
  },
  "source": "mcp_registry",
  "summary": "bioRxiv / medRxiv MCP"
}

What the leaf hashes

{"body":"f7b06aca3a3382e950829f91845b7113d2b8e406ff4eef3afed7fb172a41591f","id":1288034,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793391338940283,"prev":1000949,"subject":"mcp_registry:io.github.pipeworx-io/biorxiv","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0xe3aeb3966e6593122ceeae92c891781159892fe77aeea3eb34b14bcb2a4bcfb8
2. 0xfb7f05d0360602f18f978f392405d2540b6b9126c356b9e0b5cba87db8c65bad
3. 0xb50802b147e0836f94368d1a3c0354a4cd5e545c6ed55ad52913555866426725
4. 0x9682181224df684bc2a05b24d4a9312042233ec7d584938bbb32918c79e8d0f9
5. 0xa20b5731ec890aa3ecf8dadee131f325abdfe98ae0416aa4523aa96b6c23a5d6
6. 0x4439dbf300ec989086bba2f8faa74a47a8b7c17b409121fd5cc4b8b57af366a3
7. 0x34c9f7d088c937e4ce388ef36a573a6fce3143d62fcdd1943ecbc9225f7de045
8. 0x112976c3d517d57c71f60e01c1ab38c608452ff24a9379a0422e4c1800965b2a
9. 0x1693db905ed5a75e117ed4c11647a3c6101bfb0f46291def42ea2e592458592e
10. 0xb4e81975c4d811ec06004d50db03443db8742078ee52f31b509c07a120c568bf
11. 0x78350f81e25168b675146fea0ea7dd034f4994e12d8e196862e7092f13ec0a93
12. 0x29d78c08f0f7705f8a1cebe8b65a9bc2be71cf8d471fab735b33a8720bcdf0cb
13. 0xc1648b63331523f1ffba0502dc2754123aa7191c2d0b487849b227a545fbee34
14. 0x3a7a0fa82cbf8d3f1546fc6f89c9a5f35e025db7170b70e3f2dcd72b4ebb0f8e
15. 0xea7df1002501052c124b5aed2b1a5df3d59be54394c6a8539c86fad1df339a9e
16. 0xfbe61dc2d59668ac573e5eab865747e21d38bf2fe4c64762beef01f1018a4dea
17. 0x71e74c274b23c9047354edb6dcd2c654415e3986b8bd875dae992996ea12e22b
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861