> The best way to make sure you are in compliance when distributing GPLv2 object code on BitTorrent would be to include all the corresponding source in the same torrent
Not a link to the source, the source code itself.
> section 6(e) of GPLv3 is designed to give distributors—people who initially seed torrents—a clear and straightforward way to provide the source, _by telling recipients where it is available on a public network server._ This ensures that everyone who wants to get the source can do so, and it's almost no hassle for the distributor.
The Linux kernel is still licensed under GPLv2.
The differences between v2 and v3 is the entire context of this thread, so I believe you're deliberately being obtuse.