e.g.: https://news.ycombinator.com/item?id=8454570 https://news.ycombinator.com/item?id=10086156 https://news.ycombinator.com/item?id=803901
In this one https://news.ycombinator.com/item?id=1472611 the URI is actually broken - not sure if it changed or if it just was a mistake of OP back then.