The founder of Bellingcat discusses this in his recent book.
He mentions things like "where/when did this happen", where were the people/things in the video at that time, which source did this arise from. Basically there's a whole web of context to any event, which is why the breaking news is the best place for this, but the long term viability is much harder.
He also mentions some NYT tech for timestamping their videos as they record them and to detect manipulation.
> What is the Coalition for Content Provenance and Authenticity (C2PA)?
> The C2PA is a Joint Development Foundation project to collectively build an end-to-end open technical standard to provide publishers, creators, and consumers with opt-in, flexible ways to understand the authenticity and provenance of different types of media. C2PA opposes efforts to make content provenance measures mandatory.
He mentions things like "where/when did this happen", where were the people/things in the video at that time, which source did this arise from. Basically there's a whole web of context to any event, which is why the breaking news is the best place for this, but the long term viability is much harder.
He also mentions some NYT tech for timestamping their videos as they record them and to detect manipulation.