So if the author fix a small typo in the post, they break all the links to it. The blog is not "stateless", it’s just that its state is stored in the homepage.

So if the author fix a small typo in the post, they break all the links to it. The blog is not "stateless", it’s just that its state is stored in the homepage. Having all posts on that page with anchor links would achieve the same thing with shorter links that don’t depend on the content.