Evidence row 16922

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://learnosapp.com/mcp"
    ],
    [
      "web",
      "https://learnosapp.com/"
    ]
  ],
  "name": "LearnOS",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-14T15:11:52.502455Z",
        "status": "active",
        "statusChangedAt": "2026-10-14T15:11:52.502455Z",
        "updatedAt": "2026-10-14T15:11:52.502455Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Hosted MCP for LearnOS: search courses, lesson citations, flashcards and notes from any MCP client.",
      "name": "com.learnosapp/learnos",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://learnosapp.com/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/trippuroskie/learnos"
      },
      "title": "LearnOS",
      "version": "0.2.0",
      "websiteUrl": "https://learnosapp.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Hosted MCP for LearnOS: search courses, lesson citations, flashcards and notes from any MCP client."
}

What the leaf hashes

{"body":"ff50757d1036ed5756ae0cef5226d277daf300f3d2ecd731ef71247d6ef1a206","id":16922,"kind":"listing","method":"baseline/1","observed_us":1793025325338149,"prev":null,"subject":"mcp_registry:com.learnosapp/learnos","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. 0x40b2b0ecc18e7c4ca04227c575de195ce15b2ba2d9d0375bcbc68d87ca8ac298
2. 0x267a5dc5d675b2647242322a88be42be617c01cfe61d56ec04c9a60f397526c7
3. 0xab2f55d40900fe23d45910c3a3b242304452544d418447a6f646c06cf405405e
4. 0x71359242a1b940f0417d7f2be654c2fb1b92911767546a768f7cb8856aa4e16f
5. 0xda3bec25f57fbdeb4781607cfa8ea2c9ed1d4749ef7dc3b687202affe606b9ae
6. 0x8561ba6c745829dacb12e291f54fd5ece92eb97b7d1f8718a654923ac03fc0cf
7. 0xafddb6a953590e5205407f467658f03ea154b9b54a72153ddbee27b90c8662ca
8. 0xd02d27cf4339c8fd9ebd49b2aabc85f35d10b9c0e02b360e20c21e0005d9d2f8
9. 0xf6dd4ff7a75bae3a7230c4dce7f04e6f05105018da003835795a25bd8feeb607
10. 0xa22eb09d48f0af576480334a704954e6e8556d9981bdf6546be78cf11ad8843d
11. 0x6ec69a305a23b604ab679d75c3502d235953d73d9c2a74b16fb74b49af695fa0
12. 0xe2bb2a30c74e0bf16b8b75c332bdd45334d0338bef3f3022b7ea7b55718e1369
13. 0xd406739acce2ba016f8d49081b15f266a4ea4a0b0fc5ef171c89c8fd2dda4d80
14. 0x8b27a4c21bf4ba962fd008c8f4300bc6953764a5032b9ab0cfe696b318c45326
15. 0x4b52a97f7a80ff7778a702b85267b8d2e5c93ce160942656435c29ae7be68bf4
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae