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Evidence row 51398

Observed , by baseline/1.

Kind
listing
About
source_record mcp_registry:io.github.sadri-dridi/wcag-aa-ok
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1df1dd6be1e1392b7c038aa58bdf37b08573c18dfd71f139eea512b7fa1a531e
Leaf
0x89e522846f945e85f24a9a27dfaa69a08c9ebca40c0f58f8a15c9d9626d4ee20

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/wcag-aa-ok/mcp"
    ]
  ],
  "name": "WCAG AA contrast for two hex colors",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-09T20:10:13.612588Z",
        "status": "active",
        "statusChangedAt": "2026-09-09T20:10:13.612588Z",
        "updatedAt": "2026-09-09T20:10:13.612588Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "WCAG AA contrast for two hex colors",
      "name": "io.github.sadri-dridi/wcag-aa-ok",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/wcag-aa-ok/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/sadri-dridi/named-mcp-utilities"
      },
      "title": "WCAG AA contrast for two hex colors",
      "version": "1.0.0"
    }
  },
  "source": "mcp_registry",
  "summary": "WCAG AA contrast for two hex colors"
}

What the leaf hashes

{"body":"1df1dd6be1e1392b7c038aa58bdf37b08573c18dfd71f139eea512b7fa1a531e","id":51398,"kind":"listing","method":"baseline/1","observed_us":1793025417400073,"prev":null,"subject":"mcp_registry:io.github.sadri-dridi/wcag-aa-ok","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. 0x89e4d4e957239e9c03c5f2d21101406d63ee75e2c5fd351defbe069f541679f8
  2. 0xbf2685f6c4506462c8fc8193d1bfe9bc6d4012e4a6ca8c05a035d4daaaf61351
  3. 0x2c3bae0ad044b2c7f8af1cfc5cc590f1b4fd960aea0b660013c8b6f0d40ccb0d
  4. 0xdc3615ede65db8649c52617c45753533f75e8e5ad23269136b7869a942b3a3f5
  5. 0x6ebab04cf99164f799d8bc68fb65fb571b9ff8d3a8bcfeb971f216e096267777
  6. 0xacbb6b591af2736326d40f46f0b065b114f06be193a96f414dfc550cd4d6bccb
  7. 0x511b7bf7f0d08a2dadacec272cf3987032d470b6f3577152155dd35024f9278e
  8. 0x1c4ea70e87892cee9b7d9fc9608bf4d1db93081d90b42306dbc58b39496ed35f
  9. 0x16a8d158894a82f2fc451dc7156839c348df5d7d90157f09f86aff0f1aedd62b
  10. 0x982630687ce64555ae64a26aec05bb57bc8d6dbc7f1a3b6335e749ef24ab7401
  11. 0x231f490acbb86d1ac0f80fbb2d49e85abc0ff9c6392ca16679f2cdf49b2863ac
  12. 0x8cb11bf3bc7d3a6f859c170a167821024ffc4758cdfd2cc96f61a3291aefb637
  13. 0xd5ec7ffaecac790d8adfa0620b0a5494758f862e3090b49e556a6ecbad2f0782
  14. 0x78ac2b34737774659a6a411f4d10b8ba570d40699d9f277321c3a32ff03d1dc9
  15. 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
  16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON