Evidence row 2044936

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": "2026-11-02T02:48:45.679405Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T02:48:45.679405Z",
        "updatedAt": "2026-11-02T02:48:45.679405Z"
      }
    },
    "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": "1.1.1"
        }
      ],
      "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": "1.1.1",
      "websiteUrl": "https://pipeworx.io/packs/httpcat"
    }
  },
  "source": "mcp_registry",
  "summary": "HTTP Cat MCP — wraps http.cat (free, no auth)"
}

What the leaf hashes

{"body":"de064d14741c022f6fc97704535d2040fd0a189d45d35a1a42492b4b1204e4a6","id":2044936,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793589495321793,"prev":993341,"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 2026-11-02 (444186 rows).

1. 0x05f00395d9fabc463a69589c7a25948c9a3f151c438148931a8071d49dfd0f57
2. 0x72af281b4d63027f0aae2941e4db17c97573e9ce1a0ea3e52b17fef9c5510aa4
3. 0x29fdd2de8c4f049775c7d0b437be893f9fe9d323df5617c0ccf22df8488e956c
4. 0x36263fb91e0d7f4a2e4cdf0f9f924dd7be1ec47ef2b8a048ff57fafa17b03923
5. 0x603d81c25c244bf8ffab134e66f6ce2bb45e39b864a37728e7a07789cc2b3b41
6. 0x8e4d3cebe2c8f56f61d67a60cff331c145ca04d635d66cc74691512e152df473
7. 0xc2cba9a631107d7025b8eb1fe96dd894b4c5f99ab258ee6a17c9f01ce0b4b3d1
8. 0x5ea376ea3af336307af57235694c293334634e5d5a53a30957382080c193370f
9. 0x7f1375bfc26a905fdab201f752c137d912861dc457ee47802cb2921fedd8386c
10. 0x51084b23267404800328992a8ddd73e9a5e4707e7d01c22b8f5738e2c18b1c8d
11. 0x1d1c0c563c8315b67ece4fc4273d2af4a8da45543bd800c0aa690e74af29e808
12. 0x5a4bb2a742efda8c5fca9022296b0528dfaac5807b65e22eed672845bad6b21f
13. 0x09c4d50cc90ae90d0e870f84d23642d3d078e94f56d566d69c068b9edb2aec5c
14. 0x66ec51993542849e8bb0ec95d77eba3d6a82a6a4fd1696c4d0ddbb7a693845aa
15. 0x150a4dbcf309a6bb857da0b59f7588bd57a20fca094e579bf41d6cc6df9c7bff
16. 0x7cb861d18f06406535ade133f716d897f27d257cf0121f99d94c78c713c4b54d
17. 0x53a741b69e9e51c4a288a74712aa6ac3fb28c8923cd3e6461d161c4f2d48b31a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af