My PGP keys have the fingerprints:
See http://marmaro.de/rights for definitive information. In short:
My works shall be available to any one at any time in the same way as if they were in the public domain.
Hence, to the extent possible under law, I dedicate all copyright and related and neighboring rights to my works to the public domain worldwide -- using CC0 1.0 Universal. (Excluded are those works for which I explicitly make different arrangements.)
I rely on the ethical values of the public that people appreciate my work appropriately.