I'm seriously curious, is this the first time this link is being submitted? Frequently, I try to submit a link, and it shows up as having been submitted. And I

I'm seriously curious, is this the first time this link is being submitted? Frequently, I try to submit a link, and it shows up as having been submitted. And I'm quite certain a tool as popular as fd has been featured on hn before. So either, somehow this particular link has never been submitted (doubtful), hn allows resubmitting a link after some amount of time, or the link resubmit prevention logic doesn't apply to certain users?