Sentence:  An actual physical piece of paper shows that you're not just <WSD>shotgunning</WSD> out queries to every agent on the planet. 
Meaning of the word marked with <WSD> tags:  To send out many (requests, answers to a question, etc), especially in the hope that one obtains a positive result (i.e. reveals useful information, is correct, etc), in the manner of a shotgun firing many balls of shot such that one may hit a target.