...or restrict the applicable version of this License or the recipients' rights hereunder. However, you may include an additional document offering the additional rights described in Section 4(d). b. Availability of Source Code. You must make available, under the terms of this License, the Source Code of the Licensed Product and any Modifications that you distribute, either on the same media as you distribute any executable or other form of the Licensed Product, or via a mechanism generally accepted...
--BitTorrent Open Source License, Version 1.0. (Paragraph 34.)