Evidence row 1000949

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": "2026-10-29T06:03:09.913605Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T06:03:09.913605Z",
        "updatedAt": "2026-10-29T06:03:09.913605Z"
      }
    },
    "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": "0.2.0"
        }
      ],
      "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": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/biorxiv"
    }
  },
  "source": "mcp_registry",
  "summary": "bioRxiv / medRxiv MCP"
}

What the leaf hashes

{"body":"c90116b218026ca52893a9de0fc416100821710faf6df288bca44b1ae94ebb76","id":1000949,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793254371223852,"prev":46042,"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 2026-10-29 (242798 rows).

1. 0x890217fecfe42f9acf719cfdd1b44c4c6cea0db3be05aa2a821a7d28d37d02c8
2. 0xf6288e0a41c8099dd60056c10563706f93e1ff5a1c3ccc138cb89cba433a0461
3. 0x3b193f00497928c64ed3f71a0acf76d00af4dd75d53bb909be6bf5d5297fb9c4
4. 0xc819331d538a3a6f75fab1cfc76209b9a24cd514801c303dc8c5ba79d6089531
5. 0xc0e5a9a0d29e62e34cb920edc864c92ea040e7132a629b31bb8f2e178b3c9aae
6. 0x826c4195f6bea17de970047d09933a4cd2307f332df45acef97e549c4425c324
7. 0x764b0c1d9ce8bc86997b2777b1669ed30b39258058460f18d9d69f2886940c5a
8. 0xc3868d434b267e6fde9691dcd80b3dbd267530c7e63c6012ee0759cccc879fde
9. 0xd061eb41b7c579d557303a7faca4f7fb9e2e243f7bd24bfff651776b1975282d
10. 0xde51bd2e419efa27054306c38752f48bc6666e6f131b4a90df344a4d112390ba
11. 0xa6e913c831aadc38ce6d754f84dfe209426bab1739a1687e3f93774c916f87eb
12. 0x91694dabe0e5115ef33bd6f7847592fceb3b65dcf3ce703dad697c5c50c4cbef
13. 0xd519d8cdd088f59ea3d3ee0d8729b8119c50d1c5b73da014b21e94026cb1006c
14. 0x738c5bd29ff2d2f8d7fd631baca705f1f09ba7c5f714efb8c3ec3626affb304a
15. 0xcf94ad18fb19d78b9bda4e21e2e80e6fbf3504f3f83fee3273c11933743525c4
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1