If you were expecting it to appear on the front page, that isn't guaranteed. It will be on the "new" page, but won't appear on the front (default) page unless it gets sufficient upvotes.
I, uh, may have been confused by this the first time I posted a submission.
Send an email to hn@ycombinator.com so dang/tomhow can solve the problem.
https://news.ycombinator.com/newsguidelines.html
I, uh, may have been confused by this the first time I posted a submission.
New posts: https://news.ycombinator.com/newest