The mention of "paper" at the end seems out of place in this digital context. Are you looking for information on how this relates to physical paper, or is there something specific about digital publications and their identifiers you're interested in?
However, without more context about where you encountered this string or the specific system that uses such a format, providing a more detailed explanation or a direct reference to a known system or document is challenging. 62 117 68 199 8055 viewerframe mode motionepub updated