This document, available in its original form through this link, certifies that on the day 2017-06-10 13:03:33 UTC, the user "Corrado Cristaldi" filed the creative work "Dos flautas al despertar" in the Patamu Registry, with file number 64238
The exact date of generation of the proof of authorship is certified by timestamp and its validity is guaranteed under eIDAS Regulation (Regulation (EU) 910/2014 for Digital Trust services