Evidence row 993306

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/hackernews/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/hackernews"
    ]
  ],
  "name": "Hackernews",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T04:00:34.667233Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T04:00:34.667233Z",
        "updatedAt": "2026-10-29T04:00:34.667233Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Hacker News MCP — search and retrieve stories from Hacker News",
      "name": "io.github.pipeworx-io/hackernews",
      "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-hackernews",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/hackernews/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-hackernews"
      },
      "title": "Hackernews",
      "version": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/hackernews"
    }
  },
  "source": "mcp_registry",
  "summary": "Hacker News MCP — search and retrieve stories from Hacker News"
}

What the leaf hashes

{"body":"496f7a31854fe29d3d91af9b2a329ad5498830f733fdc13335c7f9a5ffb9ae00","id":993306,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793247167717121,"prev":314602,"subject":"mcp_registry:io.github.pipeworx-io/hackernews","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. 0x72802aafc611ecfd59c00a58062751d5cc337a8b895ad855f4fbe9b7f86c45f3
2. 0x57e74199e360e337aa2a7e8bf86a5880994e5a2762c3ebc546c0323acca35536
3. 0x717be49bfac9410280738e052917c1b0f57f87fe4d954602f6feb0f077532703
4. 0xaa20cf6b807ba7255b9c5947f210f8207621d60b57a03b3055da686ca781b958
5. 0x640e3af6a346b27dd57bf74f07ef82ddbeb292277e4468d30c7e8e91ceea0057
6. 0xbe9f1022e3c35ac02073f4af57b55139b10d15cd0034567f897d71327d2a4596
7. 0x09cb732e9ceefbd933188f9b751cb2c3974ff2ab981de5bf2ae0bdf999ff6596
8. 0x5b5e81f81b682d3f2d46495b6e78d85348a856860c9055f38aa89c46fcf7f83b
9. 0x3e5c0288cbb778c39b664c1b0965bbb6b645d7592831eb93da5c302276bf525b
10. 0xe6ecae90bf197206e41040382e4ff54cd661044aecfc2f059a2b630c3369b375
11. 0xeeedad43a30691d6032afbeb815819c5e77a55448315e55c513cc9925e2139e2
12. 0xd5c55ab16bad102bac8b47aa3438cebb9c39071153f5507f4d11b2abb2ee93f3
13. 0xbc3fd8e509855b2d6ee4c13ed5f7f098e0a2473c66efc60e409ad0e77322a80f
14. 0xa07c03f1ff4a33c8a0105ab761d762ba211920a4e09af3e5ae84b51a3c4cf51b
15. 0x60b5befbd81f025904c8a3936b7ba86e3245ad5b37c615d01d42aa3227e3ed2e
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1