# Timestamping

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.

-- Wikipedia

# Links

• OpenTimestamps - OpenTimestamps aims to be a standard format for blockchain timestamping.
• OriginStamp