There are several types of pinstripping commonly used. The majority are applied by the tech doing the pre-delivery inspection. If it has more than one color or ornate details at the ends it may very well be hand painted.
As an amateur detailer I have to caution you from scratching the paint because some over time and after years of exposure to the elements even the vinyl will require some attention to remove. There are tools you might want to get to do this yourself.
Please keep the safety on the device I have had one of those bad boys explode at full speed, nothing like molten flying bits of plastic, wear glasses for this one too.