Evidence row 21669

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.uselexica.com/mcp"
    ],
    [
      "web",
      "https://uselexica.com/"
    ]
  ],
  "name": "Lexica",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-17T15:07:39.336411Z",
        "status": "active",
        "statusChangedAt": "2026-10-17T15:07:39.336411Z",
        "updatedAt": "2026-10-17T15:07:39.336411Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Language flashcards in your AI assistant: build decks, edit cards and review what's due in the chat.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "240x240"
          ],
          "src": "https://uselexica.com/lexica-icon.png"
        }
      ],
      "name": "com.uselexica/lexica",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.uselexica.com/mcp"
        }
      ],
      "title": "Lexica",
      "version": "1.0.0",
      "websiteUrl": "https://uselexica.com"
    }
  },
  "source": "mcp_registry",
  "summary": "Language flashcards in your AI assistant: build decks, edit cards and review what's due in the chat."
}

What the leaf hashes

{"body":"f69871e65773812a75c0e39e8e5b25aeb9a896cfc0fc162cfdbfd18236d79ae5","id":21669,"kind":"listing","method":"baseline/1","observed_us":1793025340809260,"prev":null,"subject":"mcp_registry:com.uselexica/lexica","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. 0x90af256dead1bf0bf355163e5d909c5236751b514ca18c1ee597297cd548af39
2. 0x63cc1a9a00106dcb65536acf490573ed16e4c6c61cf9c93fba797e1b74fd5c93
3. 0x75488962e3f40cd24d8ff50585bfd05902f6a8cf7ac1956243fa91fd0953736c
4. 0x7af34427b9ba23c020321d1fba7032ec51b66df08f3f8a4ca8a398ecd455bde5
5. 0x01ce3f1c0d27a9baf42f4fd9ae7f7b24a31565a70bd192c317cfeef84bd80f14
6. 0x7ba0e917ecbedb2834810f706121f7fa401f455e00fc099019428c675991faa1
7. 0x82b25767f3ff66915a616981fdb374a101935f853b005a2b7da401dc3f6f39f6
8. 0xf1a5150638de3de03c655f089bf9ce6ee2c828dcc66f7c67da8fde0d756ce624
9. 0x34218488b946088cefda1e91ecf658e451b5fa9de339f66946fe548fbb5cf034
10. 0xaceb83c372739bd98e77173713a458afd2092803e86ac0b8b2afe3eb94ca90c0
11. 0xc41c5ee73cf254bf3fe8e9a8475b0931c3223f7331f30010bc3a5e2a753329d6
12. 0x4634efb8094d1dd2874013b832ad8653e49400f57bf98efdcc5f925ed08d0f5b
13. 0xc0cb184c9bdf71abcf18fda97bd59289153d120dbf8fee9f517b63bf303deb95
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae