{
  "id": "qycBcv2GUMI",
  "title": "Japan's New Invention Could Replace Gold Forever",
  "channel": "rubenfoto1",
  "upload_date": "20260906",
  "duration": 1566,
  "webpage_url": "https://www.youtube.com/watch?v=qycBcv2GUMI",
  "original_url": "https://youtu.be/qycBcv2GUMI?is=UNSRwu3i6tTNsWd7",
  "capture_note": "English auto-captions and metadata reviewed; full third-party transcript retained privately. Public article uses original summary and primary-source links."
}