1. A method comprising: selecting, by a processor, a vector graphic object from a plurality of display objects of a media item, the vector graphic object having a first attribute controlling a width of the vector graphic object and a second attribute controlling a display characteristic of the vector graphic object other than the width; modifying, by the processor, the first attribute of the vector graphic object to have a value such that the vector graphic object has a zero width, the zero width preventing the vector graphic object from being displayed while displaying any other display object of the media item; and encoding, by the processor, a designator in the second attribute of the vector graphic object, wherein the designator is indicative of an origin of the media item.