Original prints are traditionally signed in pencil by the artist. They are numbered to indicate how many prints there are in the edition and to identify the individual print. This number appears written as a fraction, for example: 34 / 75. This is called the edition number.
Electronic Product Code (EPC) A radio frequency identification code (RFID) attached to a product which contains a wide range of information unique to that item including the manufacturer, SKU, product information and serial number when applicable. This allows tracking a particular item throughout all stages of the supply chain.
What is OPC? OPC is the interoperability standard for the secure and reliable exchange of data in the industrial automation space and in other industries. It is platform independent and ensures the seamless flow of information among devices from multiple vendors. The OPC Foundation is responsible for the development and maintenance of this standard. The OPC standard is a series of specifications developed by industry vendors, end-users and software developers.