Evidence row 828037

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/oqmd/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/oqmd"
    ]
  ],
  "name": "Oqmd",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T23:15:57.377882Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T23:15:57.377882Z",
        "updatedAt": "2026-10-28T23:15:57.377882Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "OQMD (Open Quantum Materials Database) MCP.",
      "name": "io.github.pipeworx-io/oqmd",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/oqmd/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-oqmd"
      },
      "title": "Oqmd",
      "version": "0.1.3",
      "websiteUrl": "https://pipeworx.io/packs/oqmd"
    }
  },
  "source": "mcp_registry",
  "summary": "OQMD (Open Quantum Materials Database) MCP."
}

What the leaf hashes

{"body":"09a320576cdf2f235d256f2abd33b6eb0c92d58c90904242be91d906ad5e409b","id":828037,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793232759007231,"prev":47169,"subject":"mcp_registry:io.github.pipeworx-io/oqmd","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. 0x1f3bd87114d78685d952359ab26c15fed71337fd8a0bcee9e5217413a2c3b78e
2. 0x194ee5da0408108a57d40a27b0e546067cedd45c68888032d67339b3c0598198
3. 0x5bf9acee62fe17d1c9c48d6599c3000301a30249dd7cd0b7bfe15f59e94581b5
4. 0xdb919ee9918543067a015738b6ef63bb16d3cb993cf95c95eda73c3221f4d270
5. 0x6ccb4bf5fa38a541cd590a5e80d6f2f1626ddd424ff3da21e944455fe6122c26
6. 0x6d1b0d0c92aeaae161ee91be003c48bc3a2ce63c82ff69b73666d6b8c410e33b
7. 0x7c1edded54e1ccc41a65a1973c2addc4244c136f85341b2b850467359dcedfea
8. 0x9281ef2d99a0b5b9ff5bc697589080db608e2bca8709b104ec121b552bedb574
9. 0x1f074a5b54fa3489152fef97db63b99861f6a82abbc13cf24c1ee5b63abbd3b4
10. 0x38c7c009b7f536c28d1e33f591e3c7af013ae4c203b18e7e5872eb422252a7eb
11. 0x8883d93ee4ca7182690ba14a96867eff76f20068194fa324939d692f3f361660
12. 0xbf2390181865b3a3903152f9e78bb4ea857b7639e51f736e790ec404c300ceff
13. 0x2d6c35a712c459205bbb66125aacf09776ad4f268b7d0b46df94b6c1de844c05
14. 0xb18cebb16334d2052fd6b64bc0dc0c2adeb9f63dcffef7910b6a52f2c75203ef
15. 0xb4cbfd07748aa7d27896e5517d69e2e77024b97a1cfe1755f9af8471ad993bde
16. 0xa0a7723889a4c15b3e0bec353fa8dbcaec6c71cf35bb6c346415ad3e664df6a6
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1