I think it's widely known at this stage that I am willing to put past differences aside and make some money and do the right thing for the fans. If it happens, it happens. It's all good. If it doesn't, I truly am not going to miss a beat of my life.
The artist has the power to signoff the work by deconstructing the work itself: I've finished this work now and I'll sign it and relegate the painting to simply something that services my signature. The painting becomes the colorful backdrop of the signature.