0gpqwhf7sb5unpp9pg619_source-nubsua9k.mp4 -

(e.g., a specific website, a cloud drive, or a social media download?)

The filename appears to be a specific, machine-generated identifier typically used by content delivery networks (CDNs) or internal asset management systems (like those for social media platforms or news archives). 0gpqwhf7sb5unpp9pg619_source-nUbSuA9k.mp4

Because this is a technical filename rather than a public title, I don't have a direct "guide" for its specific content. To help me identify what this video is and provide the information you need, could you tell me: a specific website