Sealing
How a new Seal is created
Validation
How a Seal’s content and time integrity is verified
Sealing & Validating
Timestamp Renewal
Surety customers have the ability to extend the life of their Seals beyond the life of the hash function that was used to create it, while retaining the original sealing date and time.
Widely Witnessed
Our open, Widely-Witnessed process makes it impossible for anyone—including Surety—to backdate timestamps or validate electronic records that were not exact copies of the originals.
We anchor the integrity of your Seal by publishing an integrity value each week in the Public Notices section of the New York Times. Through this Widely Witnessed process, you are guaranteed future verifiability and compelling evidence of document integrity.
AbsoluteProof Published Value Lookup
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Important: The published values returned here are provided as a convenience. Verification against these values is in no way a replacement for verification against the actual published value in the named publication. These values are suitable for testing, demonstration, or routine verification purposes. For a high-assurance independent verification of a Surety Integrity Seal, it is necessary to go to the original source publication.
Technology Comparison
Find a vendor-neutral analysis of the strengths and limitations of each of the most commonly used data-level security procedures and compared them to Surety’s hash and link trusted timestamp technology.
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