This filename appears to be a unique identifier or a hash, likely generated by a specific platform (such as a cloud storage service, a private research dataset, or a social media CDN) rather than a standard name used in published literature. To help me track this down, could you clarify:
(e.g., human actions, medical imaging, or surveillance footage). 0h90z8lithfkoy3a3c5l5_source.mp4
Knowing the or the context of the project it belongs to would be the best way to find the associated paper. This filename appears to be a unique identifier