There are two stories for this URL: https://news.ycombinator.com/item?id=19263814 https://news.ycombinator.com/item?id=19263814 (this one) and https://news.y

There are two stories for this URL: https://news.ycombinator.com/item?id=19263814 https://news.ycombinator.com/item?id=19263814 (this one) and https://news.ycombinator.com/item?id=19263603 https://news.ycombinator.com/item?id=19263603 I would have expected the anti-duplicate-submission mechanism to prevent one of these from being created, redirecting the later submitter to the already-existing story, given that these were both submitted around the same time.