You've linked to the top level of this blog, which means that when there's a new post, this submission will point to something completely different.

The actual permalink is here:

https://galoisrepresentations.wordpress.com/2017/12/17/the-a...

That was, in fact, submitted a bit over an hour ago[0], but has had neither upvotes nor comments.

[0] https://news.ycombinator.com/item?id=15971802