Why some pages do not appear in the Wayback Machine
Finding a domain on the calendar does not mean every URL, image and feature was preserved at the same moment.
preservação digital
Bit rot: why digital files can become corrupted without warning
Keeping a copy does not prove it remained intact. Checksums can expose silent changes, but recovery still depends on redundancy and maintenance.
MAME case study: how an emulator became hardware documentation
The project preserves machines by reconstructing their behavior in code while keeping technical documentation separate from access to protected ROMs.
AO3 case study: how a community turned fanworks into digital heritage
The archive grew without advertising, kept its code open, and treated technical features as decisions about agency, memory, and access.