Traceability arrangements for managing an individual article distributed through a plurality of sites with a form thereof changed at at least one of the plurality of sites, the traceability arrangements including: receiving, from information processing apparatuses installed at each of the plurality of sites, both identification information read from a tag attached to each individual article for identifying the article, and index information including change information indicating a change in distribution situation and form of a predetermined individual article; associating and storing the received change information with one another in accordance with the identification information; accepting an input of search condition information including the identification information; and specifying a distribution route of the each individual article based on the accepted search condition information.