YouTube Live Rewind?

[RedPenguin]

I am trying to figure out exactly how you rip a YouTube stream that occurred in the past.

I noticed some YT Live Streams allow you to slide your seek bar backwards while the stream is still going on.

I looked at this https://stefansundin.com/blog/452 where it says basically get the m3u8 and more importantly the start_seq added on.

Though after telling ffmpeg the URLs I found, it always starts recording from where the stream is at the current moment.

I looked at livestreamer and youtube-dl but they don't seem to have a specify time option from what I can tell.