(e.g., in a URL, a browser console, or a specific app?)
If you describe the content (the music, the person, or the scene), I can search for the original source. 0h8wux1k4mc0jey8y1u6s_source.mp4
Often these filenames are visible in the "Inspect Element" or "Network" tab of a browser when viewing a site like Instagram or a news outlet. in a URL