I don't think repost is a problem (if you don't do it constantly and too much). I would try another Show HN, but with the direct URL tomorrow - it worked for m

I don't think repost is a problem (if you don't do it constantly and too much). I would try another Show HN, but with the direct URL tomorrow - it worked for me, i did a no upvoted Show HN, them a no upvoted Ask HN, them a successfull 43 points Show HN. There is a lot of luck in it, try once more.