We've switched to that from https://isc.sans.edu/diary/0. Thanks!

I think the problem was that the OP contains https://isc.sans.edu/diary/0 as its canonical URL.

I think that's currently a problem with all isc.sans.edu URLs: https://news.ycombinator.com/from?site=sans.edu

Naw, it just looks like the same submitter, freedude, has been submitting the same temporal top-level over the past month rather than linking to each blog post's static address directly.

I just recalled that I had a similar problem with HN autoreplacing isc.sans.edu URL to wrong one (though the error was different then, in 2022):

https://news.ycombinator.com/item?id=29917559

Attempted to replicate; this[1] submission swallowed without issue. Perhaps dang working some backend CD magic?

[1] https://news.ycombinator.com/item?id=37348284

EDIT: Disregard...yeah, the regression manifests on refresh.

You can see that it's happened to other users plus the wrong canonical URL (which HN fishes out of the HTML) is on all of their individual pages.

Thanks. The submission url is "Poisoning the Honeypot Download Logs"