The google colab notebooks and the trained models used in the paper are in https://drive.google.com/file/d/1SMzMHNoVwiVRWcs1fD8cEDEKpeT7mnI2/view?usp=sharing
The github repo to perform additional persistence evaluation is in https://github.com/arpitbansal297/Watermark-Robustness-Toolbox/settings