You could always say "I could have made that", but the important part is: you didn't.

No one cares if you automate the painting of a black square. They care about the intention of the mind that thought it was important enough to do. That's why it's art.

Good luck automating the part where you convince people it's worth something.

Step 1: Add subtle "imperfections."

Step 2: Don't tell anyone that you automated.

Step 3: Publish a personal account on what "experience" this particular piece represents.

you really couldn't