e718583c_operating_method___Patents_com__Description
[Patent #] US-8,006,094 [Description] 
Trustworthy timestamps and certifiable clocks using logs linked by cryptographic hashes A method and apparatus for creating and/or using trustworthy timestamps and certifiable clocks using logs linked by cryptographic hashes. In one embodiment, the...
Patents filed at Aug 23 2011 | Central processing unit with multiple clock zones and operating method | Patents.com