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  2. Trusted timestamping - Wikipedia

    en.wikipedia.org/wiki/Trusted_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. The administrative aspect involves setting ...

  3. ANSI ASC X9.95 Standard - Wikipedia

    en.wikipedia.org/wiki/ANSI_ASC_X9.95_Standard

    A superset of the IETF's RFC 3161 protocol, the X9.95 standard includes definitions for specific data objects, message protocols, and trusted timestamp methods, such as digital signature, MAC, linked token, linked-and-signature and transient-key methods. X9.95 compliance can be achieved via several technological approaches, such as transient ...

  4. OpenTimestamps - Wikipedia

    en.wikipedia.org/wiki/OpenTimestamps

    OpenTimestamps (OTS) is an open-source [2] project that aims to provide a standard format for blockchain timestamping. [3] With the advent of systems like Bitcoin, it is possible to create and verify proofs of existence of documents (timestamps) without relying on a trusted third party; this represents an enhancement in term of security, since it excludes the possibility of a malicious (or ...

  5. Bates numbering - Wikipedia

    en.wikipedia.org/wiki/Bates_numbering

    Bates numbering is commonly used as an organizational method to label and identify legal documents. Nearly all American law firms use Bates stamps, though the use of manual hand-stamping is becoming increasingly rare because of the rise in electronic numbering, mostly in Portable Document Format (PDF) files rather than printed material.

  6. Timestamping (computing) - Wikipedia

    en.wikipedia.org/wiki/Timestamping_(computing)

    In computing, timestamping refers to the use of an electronic timestamp to provide a temporal order among a set of events. Timestamping techniques are used in a variety of computing fields, from network management and computer security to concurrency control. [1][2] For instance, a heartbeat network uses timestamping to monitor the nodes on a ...

  7. Time stamp protocol - Wikipedia

    en.wikipedia.org/wiki/Time_stamp_protocol

    v. t. e. The Time-Stamp Protocol, or TSP is a cryptographic protocol for certifying timestamps using X.509 certificates and public key infrastructure. The timestamp is the signer's assertion that a piece of electronic data existed at or before a particular time. The protocol is defined in RFC 3161. One application of the protocol is to show ...

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