burnt in timecode for caption sync testing
YouTube and Kaltura Captions are identical SRT provided by Blender where the media came from. If your browser last displayed captions while you were on YouTube (not incognito, so your YouTube cookie carries over the cc settings), you will see YouTube captions here in the Kaltura player. Then turn on Kaltura CC "original captions" which should match exactly. Fast forward to about Min 7:25 for lip sync comparison.
side note - I am told "Note: Only public YouTube videos are supported. Well, this one isn't public, but "unlisted"