3 ms·

Y is definitely derived work. The knowledge that "A = X(A1) xor Y(A2)" is also derived work. That fact will be known by someone, and will definitely be infring

• adinisom 6y ago
  "possibly" here means that while Y is hosting derived work, even the uploader doesn't know that for a fact since the software doing the uploading doesn't expose this detail. Knowledge of how to combine them being a derived work is an interesting theory. One challenge is that facts aren't typically copyrightable. On the other hand you could argue contributory infringement instead.