The filename appears to be a system-generated ID for a video file, likely sourced from a social media platform's CDN (Content Delivery Network) or a cloud storage service.
To help you find the story behind it, could you provide more context? For example: 0h8rgtyzi3l6yny5wl6f0_source.mp4
(e.g., Instagram, TikTok, or a specific news site). The filename appears to be a system-generated ID