Take a look at this thing https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html about titles - random arxiv papers y

Take a look at this thing https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html about titles - random arxiv papers you found interesting along with commentary on why you thought it was interesting are fine things to post, you just can't put the commentary in your post's title.