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Ensuring the long-term usability of engineering informatics (EI) artifacts is a challenge, particularly for products with longer lifecycles than the computing hardware and software used for their design and manufacture. Addressing this challenge requires characterizing the nature of EI, defining metrics for EI sustainability, and developing methods for long-term EI curation. In this paper we highlight various issues related to long-term archival of EI and describe the work towards methods anddoi:10.2218/ijdc.v3i2.58 fatcat:3ncgyobonndsbhb4lnprgrl6lu