Target audience: Developers, technical people who want to announce themselves through clothing.

Cute idea.

I'd lose "procedurally generated" because I think your audience is vastly wider than programmers who would understand that.

Something more like "Wear your obsession" or "You were right! Wear the proof"

How hard would it be to add some way to adjust which portion was included, with a scroller or stepping controls?

The preview seems to be broken, just a progress circle spinner for a few minutes.