Would silver cables beat UP-OCC copper?

They the silver cables might come in handy. When the moon turns full and the wolfs bane is in bloom.

As stated already all silver and copper interconnects are not created equally.
On top of that it's all dependent upon your equipment and your listening preferences. Until you hear it for yourself in your own system you will never really know which one you prefer.

I agree with LAK. There is no definitive answer to your question. System dependent and also dependent on the preferences of the listener
Alan

All things considered, the final, conclusive answer to your question of would silver cables beat UP-OCC copper?

It depends....on system synergy, personal taste, cable design, etc.

Now, let's move forward to final conclusions on the SS vs. tube debate, and wrap up the analog vs. digital debate as well.

Shouldn't be necessary but might.