This 20-character string is likely a UUID (Universally Unique Identifier) or a cryptographic hash (such as SHA-1). Systems like Wyze, Google Photos, or cloud databases use these strings to prevent filename collisions and ensure each upload has a unique record in the database.
This tag typically denotes the original, unedited file uploaded by a user. In automated video pipelines, the "source" file is used to generate various transcoded versions (e.g., lower resolutions like 480p or 720p) for streaming compatibility. 5f6bce6cf15bae887ee9b_source.mp4
The filename is composed of three distinct parts that indicate its function within a database or storage system: This 20-character string is likely a UUID (Universally