Evidence row 993341

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/httpcat/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/httpcat"
    ]
  ],
  "name": "Httpcat",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T04:09:07.183066Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T04:09:07.183066Z",
        "updatedAt": "2026-10-29T04:09:07.183066Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "HTTP Cat MCP — wraps http.cat (free, no auth)",
      "name": "io.github.pipeworx-io/httpcat",
      "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-httpcat",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.1.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/httpcat/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-httpcat"
      },
      "title": "Httpcat",
      "version": "1.1.0",
      "websiteUrl": "https://pipeworx.io/packs/httpcat"
    }
  },
  "source": "mcp_registry",
  "summary": "HTTP Cat MCP — wraps http.cat (free, no auth)"
}

What the leaf hashes

{"body":"fe964adc99a05df88a67b22c82c799663dac19838d0d37b5c7041c9eb17cc4e2","id":993341,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793247167801987,"prev":46741,"subject":"mcp_registry:io.github.pipeworx-io/httpcat","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. 0x93827d74d031540c8260d2d9d20944affef7ae507d6def0dc1a9d786e22afd68
2. 0xcc5f07d46c0a750d6f63cbbe96820705daadabd83e4c78ad1e609cf52c99eeda
3. 0x5fe462318b9807ed3713f39bd50b6b772875a134e1cab26a1ef30a2828028150
4. 0x99ec8af5f842682f084f4c7c65b6322d9ac0f9b1a8955571046272df2540d8c5
5. 0xeb6dc1c67f03b5d10557a74b95b20ffe52c832082685d8634596cdb47eb4a379
6. 0x9a1830899427b0daac777f16c66e6ea9bbc0edc5f69d9c82f9c886fb482c92c5
7. 0x7e07509c18d42710be6f12f18fd4093bcb99913edb021dc34bf90fc7fb8b2e90
8. 0x3469332c267bc5291b62932209393c3a8cde678aee08cd8d69b176261f9f96bc
9. 0x2b9dde3833a9276009c245cc20249282d63e10cf9c25f2f11c754834e3c3a9b8
10. 0xc1fb921e135a7f1f5cd8cee12d78a415f107f998ee9e69a2abc84a83d86dd6b2
11. 0xf4e007de4fa1316372fbd7600c10be92504f854189c9d54c565b27e2c88ad280
12. 0x8609fc5b128d23edc815ace1b1c56191c8632e3ef13cac360afeaaa5099216bd
13. 0x27d0671676af363c48faa6ba6f13ccf8220db4153f3228b82faf62df6a2569a6
14. 0x2b11062f499f97c836e687fbba91202ea7ff254c8f8928d683df655cd117d9ec
15. 0x09d5ec1c01b0f087fe9f6cc95432188552da9adc88004aed57401ea49f2b56d4
16. 0xe38dc587bc010668982bd78025ac33d7326ffc2587f2de00e848da2718907ecf
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1