Are you in a truth sensitive broadcast position?
I found this wonderful idea about embedding verifiable QR and audio timestamps. Works great from mobile phones too.
www.qrdate.org
@bobbyd0g might be interested, @PhotonEmpress as well
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@Cenizo @PhotonEmpress As a sort of newfangled "holding up today's newspaper in the shot" device?
@bobbyd0g @Cenizo @PhotonEmpress Yeah, and this is machine-readable, easy to process via Python machine vision packages.