When a company goes bankrupt the employees receive a notice from the administrators, this is the " contact" records are kept by the FAA on Pilot LPCS etc. Pay slips showing block hours are the " norm" if you have none of this then it appears "fishy" and that's how any potential employer will see it.. It's your career and some legwork maybe needed. But in over 24yrs looking at recruits I've never found one that couldn't get some kind of validation of their hours etc, so it must be possible especially as the event is only a month old.. the paperwork must be hot off the press!