Changelog for python-posix_ipc-0.5.3-4.fc15.i686.rpm :
Tue Feb 8 13:00:00 2011 Fedora Release Engineering - 0.5.3-4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild

Thu Jul 22 14:00:00 2010 David Malcolm - 0.5.3-3
- Rebuilt for https://fedoraproject.org/wiki/Features/Python_2.7/MassRebuild

Sun Jul 26 14:00:00 2009 Fedora Release Engineering - 0.5.3-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild

Thu Apr 16 14:00:00 2009 Ramakrishna Reddy Yekulla 0.5.3-1
- Initial RPM release