Evidence row 23493

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://contrastkit.mike-tusa.workers.dev/mcp"
    ],
    [
      "web",
      "https://contrastkit.mike-tusa.workers.dev/"
    ]
  ],
  "name": "ContrastKit",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-22T08:11:54.749312Z",
        "status": "active",
        "statusChangedAt": "2026-10-22T08:11:54.749312Z",
        "updatedAt": "2026-10-22T08:11:54.749312Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "WCAG color contrast checks, nearest accessible color, CSS color conversion and palette pair checks.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://contrastkit.mike-tusa.workers.dev/favicon.svg"
        }
      ],
      "name": "dev.workers.mike-tusa.contrastkit/contrastkit",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://contrastkit.mike-tusa.workers.dev/mcp"
        }
      ],
      "title": "ContrastKit",
      "version": "0.1.0",
      "websiteUrl": "https://contrastkit.mike-tusa.workers.dev/"
    }
  },
  "source": "mcp_registry",
  "summary": "WCAG color contrast checks, nearest accessible color, CSS color conversion and palette pair checks."
}

What the leaf hashes

{"body":"697678656460022d85575725524e2d7458da26a7a6a93419d4497f3e985e6d2f","id":23493,"kind":"listing","method":"baseline/1","observed_us":1793025350870149,"prev":null,"subject":"mcp_registry:dev.workers.mike-tusa.contrastkit/contrastkit","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x22cde1e6e3ad549394f10f4058ccf79ba40d8d636ff10bd9ecbe4cdaee797962
2. 0x3dce59ea678c0b04f586b6bf91c08a242f894ae42b95ac8495fb29d3def797f3
3. 0x615371ead86303bb9ba0f34167f5c3ac72147a9f3197f235809d5605a072e0f3
4. 0x8085b8ff573f19344036dfd4e5abb6bf8fbdb461b1ef1bae7fb4b0af83d4b6d7
5. 0x9c097c0ac9729639dc3c745b852067cc08956a130a828a44c431be00ed361f22
6. 0x27b41202b00ee20d689dcd38b69442d06ec3bc251d9a6f7e2b7de12af8f51c6d
7. 0xc7e9a9dc764e83040f7f60576abbfa1e36f41193e069aab291eab19b848593d6
8. 0xec9f85364865c9f801b355e7c742aea1b4bb8d1487b58d99fef17c8be9d6f076
9. 0xc4d31746ee4009607b818b075e9b119d44593a4f85049ab30bc82550557369b7
10. 0x7836a5556966cf30ecd08c3d2e71317aa77f32634124306502017aed314b7f61
11. 0xafd0058f5459c39aa93b8bea4d66dcde1a2763032ab59f971a1c12b8652db90b
12. 0xac5b705d705b0f1bc42cf2ad1a7f1f197ea96178ce0704432cbb5d556e8671a4
13. 0x9d75d4d3ab6219edefa04be60b32fdd56be7a7672f370a5115f02f7b098ecd27
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae