Issue dossier

OHM2013 sits immediately before SHA2017 in the Dutch camp lineage, but currently has stronger public memory as hat/patch identity culture than as a sourceable electronic badge.

A linkable camp-impact record with badge context, severity, evidence confidence, and source notes.

OHM2013 Patch / Hat Identity note

historical scope · public history page and event archive · needs primary artifact recovery

The compendium models OHM2013 as a non-PCB identity artifact and leaves any electronic-badge claim open pending primary evidence.

Evidence

Related Resources

history page

Dutch badge-evolution page contrasting SHA2017's transformative badge with earlier simple/none badge practice.

official archive

Official historical event site for Observe. Hack. Make. 2013.

Source trail

Event archive · retrieved 2026-05-15

Official historical event site for Observe. Hack. Make. 2013.

WHY2025 wiki · retrieved 2026-05-15

Source for the early-Dutch-camp badge-scope caveat and the transition toward modern electronic badges.