He fed it a sample—a corrupt dump from an old machine room—because that’s what the program had been built for: the imperfect evidence of a living past. The extractor unspooled data with a careful patience, catching fragments of waveform metadata, repairing discontinuities where firmware glitches had torn the stream. It worked like an archaeologist brushing soil from a plate: small, deliberate actions that, in aggregate, revealed the faint outline of something beautiful.