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A signature (/ ˈ s ɪ ɡ n ɪ tʃ ər, ˈ s ɪ ɡ n ə tʃ ər /; from Latin: signare, "to sign") is a depiction of someone's name, nickname, or even a simple "X" or other mark that a person writes on documents as a proof of identity and intent. Signatures are often, but not always, handwritten or stylized. The writer of a signature is a ...
A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature on a message gives a recipient confidence that the message came from a sender known to the recipient. [1] [2]
An electronic signature, or e-signature, is data that is logically associated with other data and which is used by the signatory to sign the associated data. [1] [2] [3] This type of signature has the same legal standing as a handwritten signature as long as it adheres to the requirements of the specific regulation under which it was created (e.g., eIDAS in the European Union, NIST-DSS in the ...
Signum manus (transl. sign of the hand, sometimes also known as Chrismon) refers to the medieval European practice of signing a document or charter with a special type of monogram or royal cypher. The practice is documented from at least the Merovingian period (ca. 5th century) until the 14th century in the Frankish Empire and its successors.
In addition to signatures, this endorsement, the Constitution's closing protocol, included a brief declaration that the delegates' work has been successfully completed and that those whose signatures appear on it subscribe to the final document. Included are, a statement pronouncing the document's adoption by the states present, a formulaic ...
US Treasury Department check signing machine. Operated by J.L. Summers in 1918. An autopen (or signing machine) is a device used for the automatic signing of a signature.. Prominent individuals may be asked to provide their signatures many times a day, such as celebrities receiving requests for autographs, or politicians signing documents and correspondence in their official capacit
Federal secure electronic signature regulations make it clear that a secure electronic signature is a digital signature created and verified in a specific manner. Canada's Evidence Act contains evidentiary presumptions about both the integrity and validity of electronic documents with attached secure electronic signatures, and of the ...
B-A-C-H is beginning and end of all music", signed autograph document by Max Reger (dated 7 May 1912) Share of the Standard Oil Trust, issued 5 April 1882, signed by John D. Rockefeller. An autograph is a person's own handwriting or signature.