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Evidence row 15928

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:com.gumballtools/color-companion
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
152b002d74134c24f962b596018f76df9e2854c718d9984ca16d458a8da0c119
Leaf
0xd9c92f059d7de9e01137daf3d21ea8104b4addd664a89a5941e8946a621fd687

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://color-companion.gumballtools.com/api/mcp"
    ],
    [
      "web",
      "https://color-companion.gumballtools.com/"
    ]
  ],
  "name": "Color Companion",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-05T20:40:52.258014Z",
        "status": "active",
        "statusChangedAt": "2026-09-05T20:40:52.258014Z",
        "updatedAt": "2026-09-05T20:40:52.258014Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Convert colours between hex, RGB, HSL, OKLCH and CMYK, and compute harmonies.",
      "name": "com.gumballtools/color-companion",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://color-companion.gumballtools.com/api/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/bwalvoord/gumball"
      },
      "title": "Color Companion",
      "version": "0.1.0",
      "websiteUrl": "https://color-companion.gumballtools.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Convert colours between hex, RGB, HSL, OKLCH and CMYK, and compute harmonies."
}

What the leaf hashes

{"body":"152b002d74134c24f962b596018f76df9e2854c718d9984ca16d458a8da0c119","id":15928,"kind":"listing","method":"baseline/1","observed_us":1793025321758852,"prev":null,"subject":"mcp_registry:com.gumballtools/color-companion","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xd9c9d3be22e7608fdfb6740145f682cb7a01517d6b143998475fe4d1bb09b931
  2. 0xc2d0ff4745c1cb15a9f263bbe20e990c8b79a7139b8904af9cbffb89e679f564
  3. 0x897b4ec31fda17edfafe3b69114d9ac2b2d66c5bc22c83c7ab12040f6c4dc771
  4. 0x01d60e68d6a7b39139140964348fc60b543e3072880e5033dfd18de5f72693d6
  5. 0xec90b0038ff9b60cd186f7380aec0ede6d69f267f1b0aa9e333925b69d3681f9
  6. 0x56d281fa67709e9b7b87dc7308345de963b6bfe569ba25cba13bee0cf956a5f2
  7. 0x25fdf6a40edb96e9647cd6fcd04c081b6a34504701a7ed5199147d03c31c50ab
  8. 0x6847b1f39c2537f31a8fe5296020f04b4890478bcd10c3f01b5b405b158b0120
  9. 0xae0783d423815cf4c5e7c10904ca1d9501536e43a32443b67a1fd2dca7b96869
  10. 0x60b48a1bcbe1b49c2b79abc9db170c07e64ed7296971e4a62ed6c2c279c87576
  11. 0xc65997d4cbe46cfb99054bd5df6a660823432d48a8d7d21b0c1bed1df236af25
  12. 0x3704bc5ad033a79977899a5ead894cf50c0b8c8432c020959cefe2af561eb5ee
  13. 0xcd9e3af1fa905ec61b99ee9442716d7c7a439aecacd018ec229a24def1cabf6b
  14. 0x6b927d53caa5125cdba9255612d524976c691f8672796c3f0885ba2c5b3af1ad
  15. 0x6dc40f983a3840a0ad927a9ca17f4ff1e3b649a6c735e2a09b140db7c2caf13b
  16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON