Signature (disambiguation)

A signature is a mark used to confirm a person's identity or intent.

Signature may also refer to:

Businesses and organizations

• Signature (charity), for deaf communication activities in the UK
• Signature, a clothing brand of Levi Strauss & Co.
• Signature (dance group) English Bhangra dance duo Suleman Mirza and Madhu Singh
• Signature (typography journal), a 20th-century British journal
• Signature (whisky), an Indian whisky brand
• Signature Books, a publisher of Mormon works
• Signature Flight Support, a British fixed-base operator
• Signatures Restaurant, former restaurant once owned by Washington lobbyist Jack Abramoff
• Signature School, a charter school in Evansville, Indiana
• Signature Team, a French motor racing team
• Signature Theatres, a movie theatre chain

Computing

• Signature block, text automatically appended at the bottom of electronic messages
• Electronic signature, a digital form of identity or intent validation
• File signature, data used to identify or verify the contents of a file
• Type signature, a definition of the inputs and outputs for a function or method
• XML Signature, a W3C recommendation

Cryptography

• Blind signature, a digital signature used to validate a disguised message
• Digital signature (or public-key digital signature), a method for authenticating information
• Key signature (cryptography), the result of applying a hash function on a key

Mathematics

• Signature (logic), a description of a set of function and relation symbols in mathematical logic
• Signature (permutation), a measure for the number of pairs a permutation maps out of order
• Signature (quadratic form), the number of positive, negative, or null terms of a quadratic form
• Signature (topology) of a 4k-dimensional compact oriented manifold
• Signature of a knot, in knot theory
• Prime signature, the multiset of exponents in the prime factorisation of a number
• Signature (matrix), the difference of the positive and negative eigenvalues of a matrix
• Metric signature of the metric tensor on a pseudo-Riemannian manifold

Music

• Key signature, symbols placed on the staff designating notes to be played sharp or flat
• Signature (Moya Brennan album), 2006
• Signature (Joe album), 2009
• Signature (Patrice Rushen album), 1997
• Signature, a 2021 EP by the Filipino singer Morissette
• Signature Records, a mid-20th century United States-based record label
• Time signature, indicating how many beats are in each measure

Science

• Acoustic signature, a combination of acoustic emissions
• Isotopic signature, a characteristic set of ratios of stable or unstable isotopes
• Metric signature, in physics, the form of a metric tensor: the sign of the diagonal components
  • Signature change, in relativity
• Radar cross-section
• Spectral signature, the specific combination of varying wavelengths reflected and absorbed which can uniquely identify an object

Bookbinding

• Signature (bookbinding), a group of sheets folded in half
• Signature mark, a mark at the bottom of a group of sheets to assist in collation
• An alternative word for section (bookbinding)

Other uses

• Signature Bridge, over the Yamuna river, Delhi, India
• Signature crime, a crime which exhibits characteristics unique to an offender's psychology
• Signature Place, a residential skyscraper in St. Petersburg, Florida

See also

• Cignature, a South Korean girl group
• Signature file, any of several types of computer files
• Digital Signature Algorithm, a United States Federal Government standard
• ElGamal signature scheme
• Signature song, the song or songs a performer is most identified with
• Signatory (disambiguation)
• Doctrine of signatures, the notion that the appearance of plants is a function of their celestial influences
• Seal (East Asia), stamps used for identity or validation

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