The following question was closed as off-topic.
I really don't think this question should have been closed. We have other questions e.g. dealing problems with uploading to arXiv which are considered on-topic. We don't know for sure that the problem is simply one of the fact that NSF redistills the uploaded PDF. NSF receives thousands of submissions and many users use LaTeX, so there might be a real solution out there but closing the question will prevent any new answer.
This is not the type of off-topic question that will attract lots of irrelevant answers, so I think that leaving it open has more potential benefits than closing it.