Hash

Hash, hashes, hash mark, or hashing may refer to:

Substances

* Hash (food), a coarse mixture of ingredients
* Hash, a nickname for hashish, a cannabis product

Hash mark

*Hash mark (sports), a marking on hockey rinks and gridiron football fields
* Hatch mark, a form of mathematical notation
* Number sign (#), also known as the hash, hash mark, or (in American English) pound sign
* Service stripe, a military and paramilitary decoration
* Tally mark, a counting notation

Computing

* Hash function, an encoding of data into a small, fixed size; used in hash tables and cryptography
* Hash table, a data structure using hash functions
* Cryptographic hash function, a hash function used to authenticate message integrity
* URI fragment, in computer hypertext, a string of characters that refers to a subordinate resource
* Geohash, a spatial data structure which subdivides space into buckets of grid shape
* Hashtag, a form of metadata often used on social networking websites
* hash (Unix), an operating system command
* Hash chain, a method of producing many one-time keys from a single key or password
* Password hash
* Zobrist hashing, a method of hashing chess positions into a key
*Hashgraph, a Distributed ledger technology.

Other uses

* Hash House Harriers, a running club
*Hash (EP), ''Hash'' (EP) (''[#]''), a 2020 EP by Loona

See also

* Hash browns
* Hash House (disambiguation)
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