  The Majorana Demonstrator is an ultra-low background physics experiment
searching for the neutrinoless double beta decay of $^{76}$Ge. The Majorana
Parts Tracking Database is used to record the history of components used in the
construction of the Demonstrator. The tracking implementation takes a novel
approach based on the schema-free database technology CouchDB. Transportation,
storage, and processes undergone by parts such as machining or cleaning are
linked to part records. Tracking parts provides a great logistics benefit and
an important quality assurance reference during construction. In addition, the
location history of parts provides an estimate of their exposure to cosmic
radiation. A web application for data entry and a radiation exposure calculator
have been developed as tools for achieving the extreme radio-purity required
for this rare decay search.
