I think this is the fourth submission in the past 10 days.
I just checked those submissions, and it turned out they were posted in a single day (August 10th) with an eleven-hour time frame! The first submission was at 05:48 AM, the second at 06:37 AM (within less than an hour from the first), and the third at 16:24 PM, which raises one of the weirdest behaviors of the HN system (at least for me): "How or why on earth some submissions got accepted as 'duplicates' where others did not? ". I encounter this a lot when I try to submit a story and it gets rejected because it was already submitted. Sometimes, even if the original story is a month old or more!!
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I just checked those submissions, and it turned out they were posted in a single day (August 10th) with an eleven-hour time frame! The first submission was at 05:48 AM, the second at 06:37 AM (within less than an hour from the first), and the third at 16:24 PM, which raises one of the weirdest behaviors of the HN system (at least for me): "How or why on earth some submissions got accepted as 'duplicates' where others did not? ". I encounter this a lot when I try to submit a story and it gets rejected because it was already submitted. Sometimes, even if the original story is a month old or more!!
I second that. Two months ago I tried to submit what I found to be a quite interesting video from 2018 and it was immediately marked as duplicate:
https://news.ycombinator.com/item?id=40798566
Checking past submissions, I saw that the last time it had been submitted was a year ago:
https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...
But then, as you can see from that page, someone resubmitted the video a month ago and for some reason that one got through.