Files shared across these platforms are often renamed to long alphanumeric strings to avoid filename conflicts. To find the "story" behind it, you can try:
If you can play the video, describe the key visual elements (e.g., "orange cat jumping off a fridge" or "indie game trailer with pixel art"). 0hbbw5sfm8p69t771w868_source.mp4
When you download or inspect a video from a Reddit post, the source file is often given a long string of characters like this. Files shared across these platforms are often renamed
Look for the page you were visiting right before or at the time you saw this filename. describe the key visual elements (e.g.