Apparently there's 500 hours of video uploaded to YouTube every minute (30 seconds every millisecond). Assuming 4K@60fps, that works out to 14,929,920,000 pixels per millisecond.
If YouTube wanted to give every incoming pixel its own UUIDv7, they'd see a collision rate just under 0.6%.
If YouTube wanted to give every incoming pixel its own UUIDv7, they'd see a collision rate just under 0.6%.