Trusted timestamping

（重定向自Trusted time stamp）

Getting a timestamp from a trusted third party

Checking correctness of a timestamp generated by a time stamping authority (TSA)

Trusted timestamping is the process of securely keeping track of the creation and modification time of a document. Security here means that no one – not even the owner of the document – should be able to change it once it has been recorded provided that the timestamper's integrity is never compromised.

单词	Trusted time stamp
释义	Trusted time stamp 英语百科 Trusted timestamping （重定向自Trusted time stamp） Trusted timestamping is the process of securely keeping track of the creation and modification time of a document. Security here means that no one – not even the owner of the document – should be able to change it once it has been recorded provided that the timestamper's integrity is never compromised.
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