Original poster of the thread here. Doesn't appear to be negative anymore, but here is what it looked like: https://vale.rocks/micros/20260512-0652 Screenshot was taken at 06:50 UTC.
https://news.social-protocols.org/stats?id=48104663
This seems to have gone to -10 and then went up according to this, which matches what your comment had said that you were seeing -10 on your android.
Edit: (actually it had gone all the way to -15) and seems that this website has been still stuck at -8 upvotes at the moment of this comment and this link has also been the proof for me to finally see/confirm this as the submission now has positive upvotes.