[sillysaurusx]

This would be the ultimate proof, but it would also require the system of justice to care enough to accept the proof. It sounds like they just don't care.

[ehsankia]

I don't think the system of justice would ever go after that random Chinese scientist, but it may be able to take down the fake arXiv entry, as well as help confirm to journals than your idea came first.

[wait_a_minute]

So make them care - tell your representatives, vote, etc. let’s make noise about it and it will happen.