Roland Coeurjoly <rolandcoeurjoly@gmail.com> writes:

> I have read the page about signing FSF papers, but I am unclear about how
> to proceed.
> Could you give some pointers?

Certainly. See

  https://orgmode.org/worg/org-contribute.html#copyright-issues

You basically need to fill a form and send it to assign@gnu.org.

Thank you for considering signing it.