Evidence row 1474654

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": "2026-10-31T01:00:27.463598Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T01:00:27.463598Z",
        "updatedAt": "2026-10-31T01:00:27.463598Z"
      }
    },
    "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": "0.2.1"
        }
      ],
      "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": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/cataas"
    }
  },
  "source": "mcp_registry",
  "summary": "CATAAS MCP — Cat as a Service (free, no auth)"
}

What the leaf hashes

{"body":"3e15045ee52bcdf8a90e4d159653988dcb88a0da144c5838a176099442d382f4","id":1474654,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793409345025944,"prev":1000960,"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 2026-10-31 (246033 rows).

1. 0xcab8a675e1a5c2b7dfc7970c13db280ba0ab969e8fd6c1837def65c524a95787
2. 0x04d42a23c37fd8ec8768b832abf8f8e094301632541cc2a1eacf57afafebf27d
3. 0x66e381bb856dea62a7729ff1b9d9d56f0a9a1e0bd39377b164e12b2cbed55ecc
4. 0x88719ae62503c16e17e12d4a250af52181cd8bbb085cbb3031d78ae2b041936d
5. 0x42304ecd30f100700875b264fea84b76e893df34ba27ecb0c4192e2a313ec243
6. 0x952e6d6cf9d4ae7d07bc6edca2e8cf5cb050435fa453a97c80a7084063fba23a
7. 0x3860866a66dcffbb7ed764b05eeacb6e8d18fe429fba7fcd10535fdfc4aa67cc
8. 0xdbd41785d521bcff606a14901aea63a73880e8f15d95199145a883d6bfdacb19
9. 0x491e8728e28d47a9c84ac40b8b30e35ab0d12d2e17059629813318dc7fb92ac1
10. 0x4ca687ec8d0e91800baf6083f48546627dc96e599faba7c83252ca8cf480cc2f
11. 0xb06a723337cddb8dc6ef8684bbe3adcea832d8381a41205ae70784d55b8dc0e9
12. 0x437aebbeee2b4ff0f11d394da257d0336fb0063e2b4e1f4eebb05cebd50c936f
13. 0xe0d6e3ecef4b18411e0b397b43270df35fb812a3310b2887db923fb26c7ba65e
14. 0x9b9c034ab0236a2e232e78d82d298819198dd0da36f638cae5260bb378f14798
15. 0xdd44ee37f508e0be8213cd488d246afd8e10e6e73374cc6074077c37270cda1e
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0