The invention relates to a security tag made unique by randomly distributing a mixture of large numbers of multicolored small objects, such as two colored glass balls, into a regular geometric array or pattern onto a substrate and encapsulating those objects. The objects in the regular array on the substrate will create a unique, non-reproducible pattern. The data, saved to a secure database, can be processed and calculated quantities can be derived from the field of binary data, which can be affixed to the document or manufactured part that the stamp is affixed to. The regular array can be read out by scanner, quantities calculated, and compared to the values printed on the part or document. Additionally, the regular array can be read out by optical scanner and parts or all of the data compared to the data stored in the secure database.