No, I think like someone above said this thread was added to something called a "second chance pool" on HN, which means it gets reposted to the frontpage after

No, I think like someone above said this thread was added to something called a "second chance pool" on HN, which means it gets reposted to the frontpage after X amount of time for a second time, and it rewrites the timestamps. So I think that's what you're seeing