And maybe they pledge by providing a paper they're withholding from publishing? If the authors, pledging platform, and open journals collaboratively design & c

And maybe they pledge by providing a paper they're withholding from publishing? If the authors, pledging platform, and open journals collaboratively design & coordinate a process for handling the reviewing of said papers, then the process can safely be automated. Also, pledging can be done as a pledge to be available for free peer review if they aren't pledging a paper.