<blockquote>
  <p><strong>Possible Duplicate:</strong><br />
  <a href="http://meta.stackexchange.com/questions/2508/account-association-between-websites">Account Association Between Websites</a>  </p>
  
  <p><strong>Possible Duplicate:</strong><br />
  <a href="http://meta.stackexchange.com/questions/2508/account-association-between-websites">Account Association Between Websites</a>  </p>
</blockquote>

<p>My ServerFault reputation suddently went down from 501 to 423. It does not seem to be the 
result of many downvotes (or they are well hidden). </p>

<p>In the past, I remember that big cleanings of reputations took place in StackOverflow, after 
massive cheating was detected. But I find no such announce for ServerFault and, anyway, I do not cheat :-) Any idea of what is going on?</p>