These binary packages represent builds of the mainline or stable Linux kernel tree at the commit below:
v2.6.32.10 (dd49f6263809f43901e9f6131ec9c8a71cf7b7ed)
To obtain the source from which they are built fetch the commit below:
git://git.launchpad.net/~ubuntu-kernel-test/ubuntu/+source/linux/+git/mainline-crack v2.6.32.10
and apply the following patches on top in the order below:
0001-base-packaging.patch
0002-debian-changelog.patch
0003-configs-based-on-Ubuntu-2.6.32-73.140.patch
This is summarised in the SOURCES file included with these binaries.
For further information see: http://wiki.ubuntu.com/Kernel/MainlineBuilds