Oh, whoops. Must've been lazy in the editor.
Yeah, it was less about proving that I did it and more about proving WHEN I did it, for posterity. :-D
Thanks, guys.
You know what? The game in reference (Seterra) has a splash screen at the end when you finish a run, and I completely forgot that it shows the date. That makes the YouTube date a non-issue, as long as that splash screen is sufficient for the mods.
I just submitted my first couple of records. It's my first time, and I changed the YouTube videos from "Unlisted" to "Public." This seems to have screwed up my original upload dates that were shown under the video.
For example, I set a few records back in October and posted them Unlisted to YouTube. Now I flipped them to "Public" in YouTube, and the date under the video shows today's date, March 17, 2021.
Is there any way to get back the previous date? It's not the biggest deal, but I would have left it as Unlisted if I had known that changing would screw up my dates.