http://pastoxeodebw6dc5bq7kmuxheunuf54xcovzjwhg4cuh6a3rzj6mthqd.onion/about/license
For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code. There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.