I know that HN has ring detection for up votes, but how about down votes? As of this writing, this post is only 1 hr old and has 98 points (which is higher than

I know that HN has ring detection for up votes, but how about down votes? As of this writing, this post is only 1 hr old and has 98 points (which is higher than many of the posts currently above it) and 105 comments. yet it's dropping fast. It's a bit suspicious.