No, it's OK to post your own site. HN FAQ says: If a story has had significant attention in the last year or so, we kill reposts as duplicates. If not, a smal

No, it's OK to post your own site. HN FAQ says: If a story has had significant attention in the last year or so, we kill reposts as duplicates. If not, a small number of reposts is ok. The linked post had no comments, so it clearly doesn't qualify as having "significant attention".