System and method for field-verifiable record authentication

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9268969
APP PUB NO 20150052615A1
SERIAL NO

13966297

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Abstract

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A code is added as a marking to a document and encodes an identifier that maps to a copy of the document stored in a database. Database copies of stored documents are preferably digitally signed. Using a device such as a smart phone, a user may extract the document identifier from the marking on a purported authentic version of the document and retrieve a copy of the document from the corresponding location in the database. The user can then visually compare the purported authentic version of the document with the retrieved database copy.

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Patent Owner(s)

Patent OwnerAddress
GUARDTIME SA1006 LAUSANNE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Buldas, Ahto Tallinn, EE 25 485
Gault, Michael Hong Kong, HK 7 213
Laanoja, Risto Tallinn, EE 4 130
Pearce, Jeffrey Hilo, US 18 465
Piesse, David F A Hong Kong, HK 1 40
Rajnak, Peter Singapore, SG 1 40
Ruubel, Martin Tallinn, EE 4 64
Tan, Jian Belle Mead, US 92 2080

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