Parallel and reflective coding structures inclusive of data from both parties to a transaction are propagated beginning with an algorithm derived maker's code, an item code unique to and associated with a single article made by a maker, and data identifying both the maker and the legitimate acquirer. Use of secure hash algorithms, single and double key encryption are suggested to obtain two virtually irreversible parallel coding structures that reflect the identities of the current and previous owner and are also mathematically reflective in that one code is derivable by either code structure in verification of both authenticity and ownership. Multiple modes of verification with coding printed on a receipt for the article are provided including Internet, offline computer, land line and SMS cellular telephone. Authenticity, non-repudiation, proof of legitimate ownership and provenance are provided for any article of value including pharmaceuticals and other consumable product warranting authentification.