Submission from 18 minutes earlier: https://news.ycombinator.com/item?id=10324311 Submission from 19 hours earlier: https://news.ycombinator.com/item?id=10321396
A small number of reposts is ok if a story hasn't had significant attention yet [1]. After that, we bury reposts as dupes. This is the main device for migitating the randomness that otherwise dominates which stories make it off /newest [2]. Basically, it's ok to roll the dice a few times. If we see a good-by-HN's-standard story that fell through the cracks, we've been emailing the submitters and inviting them to repo…
My purpose in providing back links on each duplicate to the earlier posts was to try to avoid fragmenting the comments. When there are two submissions 18 minutes apart, there is a decent chance comments will be split between them.
> If we see a good-by-HN's-standard story that fell through the cracks, we've been emailing the submitters and inviting them to repost it. We invited coloneltcb to repost this one
That seems pretty inelegant for a site named "Hacker News". Why can't you diddle the database to give the original another shot? The "invite a resubmission" approach makes the submitter have to figure out a different URL, and increases the risk of comment fragmentation.