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by AceJohnny2 5y ago
Ref (2012): https://boingboing.net/2012/01/10/lockdown.html https://boingboing.net/2012/01/10/lockdown.html
- teddyh 5y agoSee also: The Digital Imprimatur, https://www.fourmilab.ch/documents/digital-imprimatur/ https://www.fourmilab.ch/documents/digital-imprimatur/