Evidence row 3669914

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": "2026-11-06T01:54:46.770157Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T01:54:46.770157Z",
        "updatedAt": "2026-11-06T01:54:46.770157Z"
      }
    },
    "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": "0.2.1"
        }
      ],
      "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": "0.2.1",
      "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":"d2aab77a7e33ce54407abd087b234c124d5117228ff14000ac9b4c356007f969","id":3669914,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793931718262489,"prev":1003355,"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 2026-11-06 (303443 rows).

1. 0xf029bc78da5c12fea89259a71d2db116c206acd20177f50c1ffb099f1ff8c50f
2. 0x04fa05321066f3bacba4a42a1583f08e0401cd8265419a482b46897adaff2c6d
3. 0x5fee933ebb1575a18a1417c8a944d2e237dba0103f3efb27a580b768fc3f4f61
4. 0xd8e67d1a62ce398cfd0ae166c30deac5ec289b7f358b7a734f01d6cf526175ae
5. 0x2c41276d71922af6db89ac9db8566bb10c5356415e452abde879ddf4545b1a50
6. 0xb197971e512be0e53ae902300cbf45d3197d29627491d9db00a56cffbbbfecd0
7. 0x9441492b5a61dd97c495c1e6e751d1290d0fb744e7f3970c77d17d61383742a3
8. 0x1ea050a3e134e98972ccec68d4e14b7f4ed192e1f5dd12ed4b3ac2ee3f0eb397
9. 0xcf1171dc434f8ad9cc971ddb99c1bfc7878be8fb2aae1acbb3129eaf58249f39
10. 0xeb60ac955c6f0a12693cbafc9b0baf89b88e96b4feb8aff3c3fae3e54f7b7852
11. 0x746bde4fb9f0e03931fa40cc192256f66fa99e9fd256d48f021a8cb35cd8f9ac
12. 0xa690677335a5515379099d302fd8099718991b50e85fdf787a4785d28a8ae6bf
13. 0x01f90ea19b7200bdba2caedf2dec15b8b4dfb3351cf20fe52122eef24495b1d5
14. 0xf0c5ed643551a46e0398fabe9b2a3859cac500bdf092518c6acdd82ca64ce794
15. 0x0bc8160b8c94aae791142fc9caa83c153cc73b339512089ee494d4e8e7094abe
16. 0x04c1c4929933bae20304ac32084d4b93dcac07567f68e828ac93bbc39eb4614c
17. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1