Comment 5 for bug 1001780

It's not a Launchpad problem. From the master copy of the archive:

-rw-r--r-- 1 lp_publish lp_publish 1.5M Sep 20 2008 /srv/launchpad.net/ubuntu-archive/ubuntu/dists/hardy/main/binary-i386/Packages.gz

Since http://archive.ubuntu.com/ubuntu/dists/hardy/main/binary-i386/ shows the bad mtime, it's probably something in the internal mirroring pipeline.

But one could also argue that apt still shouldn't regrab the file, since Release still has the same hashes for it.