Years later, students in a software preservation course would open Mara's archive and learn more than deprecated APIs. They would read the build notes and the ledger and a short file labeled "for K." and think about ethics in engineering, the interplay of memory and machinery. They would see, in that careful documentation and the verified sybase_powerbuilder_11_5.iso checksum, a small act of stewardship: a decision to preserve truth and to give future hands the means to understand the past.