This document, available in its original form through this link, certifies that on the day 2015-06-04 16:22:23 UTC, the user "Marco Zanini" filed the creative work "Ultimi echi" in the Patamu Registry, with file number 21285
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