It's not corrupt, it's the way it's exported.
<team>
<id>2</id>
<type>2</type>
<name>Master Strategy Group</name>
<userid>3747</userid>
<total_credit>1459579.210163</total_credit>
<expavg_credit>5652.205411</expavg_credit>
<expavg_time>1111190071.050880</expavg_time>
<nusers>158</nusers>
<founder_name>James R. Davis</founder_name>
<create_time>0</create_time>
<url>www.msgroup.org</url>
<name_html>Master Strategy Group</name_html>
<description>Eclectic partnership vastly committed to the development of world distributed system functionality and the utilization of otherwise idle computer resources in behalf of scientific efforts.</description>
<country>United States</country>
</team>
Look at the create_time. 0. That is 1970-01-01 in PHP land.