diff --git a/content/videos/challenges/119-binary-to-decimal-conversion/showcase/contribution-1756678732.json b/content/videos/challenges/119-binary-to-decimal-conversion/showcase/contribution-1756678732.json
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+{
+  "title": "BitCALC",
+  "author": {
+    "name": "Cosmic Lotus"
+  },
+  "url": "https://cosmic-lotus.itch.io/bitcalc",
+  "submittedOn": "2025-08-31T22:18:52.346Z",
+  "socialPermission": true
+}
diff --git a/content/videos/challenges/119-binary-to-decimal-conversion/showcase/contribution-1756678732.png b/content/videos/challenges/119-binary-to-decimal-conversion/showcase/contribution-1756678732.png
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