This document, available in its original form through this link, certifies that on the day 2020-05-17 22:51:07 UTC, the user "Silvio Dell'Acqua" filed the creative work "La ferrovia a pallone frenato" in the Patamu Registry, with file number 128218
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