Based on this article https://theins.ru/en/politics/270425.

The question will be resolved as true if:

• We get confirmation from reliable U.S / western sources (inteligence, mainstream media)

• We get confirmation from the Russian inteligence

Or

• The technological details will be provided regarding the weapon

• U.S / western sources will report on understanding the technological details

Or

• Weapon will be confiscated and this information will be published

Else will be resolved false at the end of the year