Highlights List July 12, 2010   Service regular stop due to further improvement of reliability TimeStamp Service down time : September 15, 2010, 12:50 to 12:55 p.m. (JST) TimeStamp Service down time : October 15, 2010, 12:50 to 12:55 p.m. (JST) TimeStamp Service down time : November 15, 2010, 12:50 to 12:55 p.m. (JST) TimeStamp Service down time : December 15, 2010, 12:50 to 12:55 p.m. (JST) TimeStamp Service down time : January 14, 2011, 12:50 to 12:55 p.m. (JST) TimeStamp Service down time : February 15, 2011, 12:50 to 12:55 p.m. (JST) TimeStamp Service down time : March 15, 2011, 12:50 to 12:55 p.m. (JST) Attention: Time Stamps cannot be issued during the period above.

News List July 12, 2010   Time-Stamping Service Practice Statement(TPS)2.2 published May 20, 2008   Modification of Time Attribute Certificate is scheduled by Seiko Instruments Inc.

PFU TimeStamp Service is a solution that realizes proof of existence and proof of completeness of digital data. It helps to protect digital data from tampering that troubles computerized societies.

	PFU's time stamps are attached to digital data to promote reliability by offering proof of existence and proof of completeness verifiability.
	These proofs ensure the evidential value of the digital data.