Evidence row 52454

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://chart-color-mcp.vercel.app/mcp"
    ],
    [
      "web",
      "https://socraticstatic.github.io/Visualizations/mcp-docs.html"
    ]
  ],
  "name": "Chart Color System",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-04T13:25:04.295228Z",
        "status": "active",
        "statusChangedAt": "2026-10-04T13:25:04.295228Z",
        "updatedAt": "2026-10-04T13:25:04.295228Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Solve, audit and simulate colorblind-safe chart palettes. WCAG contrast, OKLab ΔE. Read-only.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://socraticstatic.github.io/Visualizations/plugin-icon.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "180x180"
          ],
          "src": "https://socraticstatic.github.io/Visualizations/apple-touch-icon.png"
        }
      ],
      "name": "io.github.socraticstatic/chart-color-system",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://chart-color-mcp.vercel.app/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "mcp",
        "url": "https://github.com/socraticstatic/Visualizations"
      },
      "title": "Chart Color System",
      "version": "0.1.2",
      "websiteUrl": "https://socraticstatic.github.io/Visualizations/mcp-docs.html"
    }
  },
  "source": "mcp_registry",
  "summary": "Solve, audit and simulate colorblind-safe chart palettes. WCAG contrast, OKLab ΔE. Read-only."
}

What the leaf hashes

{"body":"3d9d97684a4065ff6192101856a4ab0ac4c01d864637903c011fe874bfbf72ee","id":52454,"kind":"listing","method":"baseline/1","observed_us":1793025419908455,"prev":null,"subject":"mcp_registry:io.github.socraticstatic/chart-color-system","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. 0xcc35e01a5439bed96918a0c3074ecdc5963f045dd6d294e0e46fd73573535012
2. 0x132d197fd36b700dfbba9330581fbf359f7cfb6f8bd7095f767d64278527efa8
3. 0x1efff838cc964f086d0bfcce6f8fd198295570144cf55a5e66c0e843758ac158
4. 0x7fbbd79442431487844a94f44c808693be456538938020d4e009b629724c970d
5. 0x489bc1d0f519bd956b57e1817f93fcfb6374a0ca1c73f1914f52e536965f6c88
6. 0x08fabdf7449f6cc0efce59534c6adb02aab873fa5d0373ea24589132e9fb7f52
7. 0xa81342be2e86e8f1348fb4223c245e46c21ef80d51bd02c694cc412fc4311106
8. 0x68fd65536d30616961c30c739bce9ac96c4f024e7a03a5f11a217685d824f90b
9. 0x25ad48cfcb4b94454f2fcdbb7e892d7ebb4b8a43fda41c990cb29ba48199679a
10. 0x271656ddeb4ac114157823f5b692e3080e2fc3456a434600ab85e26da37fbbb5
11. 0x351a777a477836c8c26972f993b4d53df3d67c6acea7cef50b5038df678d6a3f
12. 0x85ea84dc356483b05e7ec8ed6e303988684070a1512dc756c8e64a7e3604feaf
13. 0x985acd37cc044d5aa6ad959194da8e91c81045df83517891ed92f1763a9ab825
14. 0x5b20d8aab05225a3497eadcce89d2e2a586a510fb31334793d3f46f88f0157c5
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae