Evidence row 1003387

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/usgs-mrdata/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/usgs-mrdata"
    ]
  ],
  "name": "Usgs Mrdata",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T07:04:19.138188Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T07:04:19.138188Z",
        "updatedAt": "2026-10-29T07:04:19.138188Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "USGS MRData MCP — the Mineral Resources Data System (MRDS)",
      "name": "io.github.pipeworx-io/usgs-mrdata",
      "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-usgs-mrdata",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/usgs-mrdata/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-usgs-mrdata"
      },
      "title": "Usgs Mrdata",
      "version": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/usgs-mrdata"
    }
  },
  "source": "mcp_registry",
  "summary": "USGS MRData MCP — the Mineral Resources Data System (MRDS)"
}

What the leaf hashes

{"body":"fbf100e2fc739395f8c6ae91939c802e3cc4475a4bd6c41933686f20701f12ed","id":1003387,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793257976724011,"prev":47652,"subject":"mcp_registry:io.github.pipeworx-io/usgs-mrdata","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. 0x412c3cdd38054dd720b8ae1be42ab63d7bb96736547ee9cfbf281cfd926b9edb
2. 0x57f992bdf45a9368c63da3756258ed371a29f0705e26cd83bcac8d64fee83b30
3. 0xd753b7060dcc843cd61ca8e8c383909a69968ec07a6d0fa0d99a215c86d81e3b
4. 0xc82cc0b63630b4cbdddbfafe06558d0786e3746ad145d0d60792066e69867b00
5. 0x6ebd91d9a581c8b1c29dce0eeafe5dc1ee3decc238452b53bdfe17de990c3ffb
6. 0xdbc0f0c69f3f9b791664d3ce034a993f072b6d78f249fb5aabf1f5a95d8a1139
7. 0x6675c177508e06ecb85443363bff6e8800980d6246ef0fb3177fdec1273662fa
8. 0x824babb82a40dd3e9fa72a399df586d20109ddd9be2bd96e1cb713256e12eaa8
9. 0x4fe4980f1fa5e5e20486568111d1dcb388c800393c9a1d4c33866f832279567f
10. 0x7d6db655d7306b949a87156d1bc4dab17a9d88d0262f4bc26d4fc7217dc279d7
11. 0xbc4322dd7392b11789881310b699a3d7442af1c88461565c0c16a51a42634a3f
12. 0xe2f1e06c1f8b80b2ba77c1ad36ffa2d2f532348c60e80191efe42076fc1b6735
13. 0xf16c67f95ffdfd6dd2607c7f45e2998cc3d8484d81e01ebd37215bcbf3f66112
14. 0xfd10c7ee22418679d618a048206ccbf1219e97c4af44a5180884b0b3d02c18e8
15. 0xa03bd318a195be3bd16f335c7e189443bea4f1f439087a7ac19afec9fa97f9be
16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1