Evidence row 1000960

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/cataas/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/cataas"
    ]
  ],
  "name": "Cataas",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-29T05:41:48.505311Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T05:41:48.505311Z",
        "updatedAt": "2026-10-29T05:41:48.505311Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "CATAAS MCP — Cat as a Service (free, no auth)",
      "name": "io.github.pipeworx-io/cataas",
      "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-cataas",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.0"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/cataas/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-cataas"
      },
      "title": "Cataas",
      "version": "0.2.0",
      "websiteUrl": "https://pipeworx.io/packs/cataas"
    }
  },
  "source": "mcp_registry",
  "summary": "CATAAS MCP — Cat as a Service (free, no auth)"
}

What the leaf hashes

{"body":"8fbc90cbd5f68d1af1323c11d95c0a22fab70e505787cee9dd5aea1e8c2b42ea","id":1000960,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793254371252144,"prev":46117,"subject":"mcp_registry:io.github.pipeworx-io/cataas","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. 0xd53b926dd10b0e2c19b8db773ad46e88704e856b408db053aef16d93b8f487e1
2. 0xad1ccacf05800ed2341c0c54819534bc140be1d58f1d8eb36ae6464f06ff60b9
3. 0xc71b5e915b218051b682b6e10257041d15a139209fd066cc350bde27807cad99
4. 0x7efc2b1a0d46f2b618b3da84d9fe80df952e060193a93459238863056ed28b58
5. 0x1df36352bfe0fdbaed8b412359ed3bf21ee70636976130769a959c3f5ce5bb90
6. 0xa00e704e443beb13e21ca475e49d58cfd96f943038c51715ed08a5bfee290bf0
7. 0x11556d99f81f51db35a453017928b80b63fb1760f0669341ff8f7fe4f8e2bf17
8. 0xcf7705cec9a03e45994bf1b28a9fd3bfbe1e453cf0ef7839fc78745c0485e054
9. 0x22f61cec0037ba01e5862d196dc9a9f523b3dc838ad3bfcb683501bb5bde54f2
10. 0x38197e03a9c7c5f6c1f322e96540cc31b5c7d5f3f97fe8db555b21f6f6ed74ba
11. 0xef30b02708fa5f44a11d226f0d59310fe837f1af1e391254ea473f8cb11d3c83
12. 0x8111b8e842d177c62d5a5185b298850a167994d051a0ae51bb7c4e0353359cdf
13. 0xfe28e9e98d6dfa695fe78aeee74c827cd30eb7ca9245a239277f9fb4e1ff47a1
14. 0xc5f320d911e4e74a5ef306d3473fe072ea90372c9b9d8902795503f6d18cc307
15. 0xa7d3fa0a08edea990614977b51a6b3289c357a88d8ca06dcbfe67415a017c0e7
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1