Artifacts 5
Every copy this mystery rests on, each with its own key and its distance from the original.
Photo1 step from object
Roger Patterson and Robert Gimlin · Public domain
Document2 steps from object
Patterson's 1967 contact prints and later copy groups (Canadian, ANE) · private
Video3 steps from object
Roger Patterson (camera); digitised copy of unrecorded generation, via the Internet Archive · contested
Document3 steps from object
Tian, Munns and Meldrum (computational restoration of the lookback sequence) · publisher
Scan2 steps from object
Bill Munns · private