Temporal anchoring and obsolescence Date-stamped packages are both anchors and tombstones. They freeze a working environment—software versions, compatibility expectations, known bugs—so that projects depending on that bundle can be rebuilt. At the same time, they point to eventual obsolescence: software from 2019 can still be useful, but may not run on modern platforms without adaptation. The presence of an emulator in the bundle signals awareness of this tension: emulation preserves usability across changing host systems, asserting that digital artifacts deserve continuity beyond the lifecycle of a single operating system.