Disclaimer: I'm not very familiar with the current state of CV and the way models are trained. What authors could do is train the model on a dataset, but add a

Disclaimer: I'm not very familiar with the current state of CV and the way models are trained. What authors could do is train the model on a dataset, but add a specific image that it flags as a key. That way, if you keep the image private, you can check if a model is a clone of yours if recognises that specific image.