The string OPNMRSKMHD is likely a compressed filename or "scene" tag used by third-party distribution sites like SkymoviesHD to index specific content.
The unrated version’s additional minutes serve two functions: OPNMRSKMHD -2010- www.SkymoviesHD.mom UNRATED 7...
While the convenience of free "Unrated" content is tempting, the safest and most ethical way to view films from 2010 and beyond is through official channels. Many films originally hosted on sites like SkymoviesHD are now available on: The string OPNMRSKMHD is likely a compressed filename