Evidence row 1474651

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/carbon-interface/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/carbon-interface"
    ]
  ],
  "name": "Carbon Interface",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T01:00:03.24442Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T01:00:03.24442Z",
        "updatedAt": "2026-10-31T01:00:03.24442Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Carbon Interface MCP — Carbon Interface API (v1)",
      "name": "io.github.pipeworx-io/carbon-interface",
      "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-carbon-interface",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/carbon-interface/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-carbon-interface"
      },
      "title": "Carbon Interface",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/carbon-interface"
    }
  },
  "source": "mcp_registry",
  "summary": "Carbon Interface MCP — Carbon Interface API (v1)"
}

What the leaf hashes

{"body":"c6efa55d36cf60c3355e8e2c8eb1952f7f34f1dec3372d5a896e1635a176f298","id":1474651,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793409345019020,"prev":985733,"subject":"mcp_registry:io.github.pipeworx-io/carbon-interface","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. 0xf15011e43816fd3c9b74b35ad7f073e1840320696392d0ba8b09b477c600eb91
2. 0x211e57df432184ab52cf96a4c119531882f1ecdb18959032e4343a04ed54288f
3. 0x6f7ca9829cafb1e2179dd2b2fb696d18cbefa7a05c862f7f8647cffd6552995a
4. 0xe9c384cf1491860a110181834288f3df5d113fe2aa5e9987a18b7d48bf792baa
5. 0x590d0fbaf8d0a00fced9f60aa2229990a862a715b8a81d90bacb604a112d7d61
6. 0x777c1cfc9eb4875e235abac2288b333c2286f60f4fce25d9dec611f4ae6faee0
7. 0x93454f10ef6531b0252a91db6f2aa6805b6972e869de8b9771156aaa14716e29
8. 0x3ec337bf3d34351a12af54985c146658acebf2b6bd038bddccd413ca7f94166f
9. 0xe3c247bad3ee6c2ab04906ca8245eb359a24c314dc9194f581b6a53006c50f0b
10. 0xbe322028a7f9b6a2504e514bc074cfd71d6f9ecaa2010f245f61be6fd7d0ca46
11. 0xc63f042cb226ef092ea53fee5d2259a347e04c30c770aaf994362836b7fce505
12. 0xfcd782c3f252b70bc968fb5a187963c45ff14fea50222071dde8a666b3ebdbdd
13. 0xbc3e5daeb8c4525fe47bcc0da1546eab6297e135ec75acdf3bc8177600a63e27
14. 0xb9926eb0976a5b473833dada1e63c048bf8ef05dbd747135d29c85140274baf8
15. 0xe9e97d8cdaf19b6da06606a22b4eea548063df6bacb661abea4c37aa637b5c3b
16. 0x4befbbd74452b2a3a89b7e1e809ba011f1be78aeb8153059503fda47c454d086
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0