This is a timestamp (April 24, 2014). In digital archiving, this usually marks the original air date or the day the file was first encoded and verified.
To understand this specific string, one has to break down the "release nomenclature" often used by uploaders: facialabuse brook ultra 04242014 1080p hd10 verified
Here is an analysis of what these terms mean in the context of digital media and the "Lifestyle and Entertainment" sector. Deconstructing the Metadata This is a timestamp (April 24, 2014)