Evidence row 1003355

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/umls/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/umls"
    ]
  ],
  "name": "Umls",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T06:58:33.034117Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T06:58:33.034117Z",
        "updatedAt": "2026-10-29T06:58:33.034117Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "UMLS MCP — wraps the NLM UMLS Terminology Services REST API (uts-ws.nlm.nih.gov/rest)",
      "name": "io.github.pipeworx-io/umls",
      "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-umls",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/umls/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-umls"
      },
      "title": "Umls",
      "version": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/umls"
    }
  },
  "source": "mcp_registry",
  "summary": "UMLS MCP — wraps the NLM UMLS Terminology Services REST API (uts-ws.nlm.nih.gov/rest)"
}

What the leaf hashes

{"body":"b39e94b2e895d7c15839385fd61a8b42653a794f21607746ee3023e0732be0ea","id":1003355,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793257976251695,"prev":47619,"subject":"mcp_registry:io.github.pipeworx-io/umls","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. 0xc58d006f828a97edc95eccd0f732e818a69bc324c83953ad2c28571eb1d5afc5
2. 0x63a3f7150b0bd4b2244a9c00a3b85f9d07659adfa4043aa9ea562a96f64464c9
3. 0x3f39ce4c63686fcd2be1c4b9ac02a4ab34a22bf35a490e0bfa9dfdc4cec9ca36
4. 0x947f385b000b818e9336ce4cf22374ccf98a0d9259ca85b44f16bfc8ca154d57
5. 0x6c64e36de19f457bef82f49af86e1d135fa5589148ca1b086f975001feb4f230
6. 0x3b2a94505811fb3ae734bcd34e4f00f53af3f68e20424b05c17ba713b5adf2e4
7. 0xfea509a8f95c00b51db31dc71c02c9815564d95c202c0e243f49d373e8e5f320
8. 0xde76405f198b0b0299ed642b73027d766e216750a41aee77351f3f343327b114
9. 0xacd11a7b5083d6b02c1f81f80be09b1c77d8e2063343d29ab3b5159d8045c2e7
10. 0x6688118ba07eb05af3ca7622ebfb1ec1ff4fcb4880890fa5c54458f126c9fbcd
11. 0x84df6568fe5e70a94da766965843ed2b8772deea875f72fbeca3146fdbeb6f8c
12. 0xc17b3a2fd1cc935170fb8b27356606841adb83d41f27bc9a6f20b6b128b31044
13. 0x82acf0ab79b727689a8862d5f40ebc054bfa26bd74148138aeb5de693084058a
14. 0x104600713bd70fcbdf137fa07f8136bb6c252c890776bc7cbd7b194271f8b93a
15. 0x4e4f8f228a3b7a38299ec6f2b1967c6cf4de15fdd9dc0d200e691266e51ef99d
16. 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1