# Hash

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Hash
> Markdown URL: https://mediated.wiki/source/Hash.md
> Source: https://en.wikipedia.org/wiki/Hash
> Source revision: 1355005502
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

Look up ***[hash](https://en.wiktionary.org/wiki/hash)*** in Wiktionary, the free dictionary.

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

## Substances

- [Hash (food)](/source/Hash_(food)), a coarse mixture of ingredients, often based on minced meat

- [Hash (stew)](/source/Hash_(stew)), a pork and onion-based gravy found in South Carolina

- Hash, a nickname for [hashish](/source/Hashish), a cannabis product

## Marks and symbols

- [Checkmate](/source/Checkmate) symbol in chess

- [Hash mark (sports)](/source/Hash_mark_(sports)), a marking on hockey rinks and gridiron football fields

- [Hatch marks](/source/Hatch_mark), hash marks or tick marks, a form of mathematical notation

- [Number sign](/source/Number_sign) (#), also known as the hash, hash mark, or (in American English) pound sign

- [Service stripe](/source/Service_stripe), a military and paramilitary decoration

- [Tally mark](/source/Tally_mark), a counting notation

## Computing

- [Geohash](/source/Geohash), a spatial data structure which subdivides space into buckets of grid shape

- [hash (Unix)](/source/Hash_(Unix)), an operating system command

- [Hash chain](/source/Hash_chain), a method of producing many one-time keys from a single key or password

- [Hash function](/source/Hash_function), an encoding of data into a small, fixed size; used in hash tables and cryptography - [Cryptographic hash function](/source/Cryptographic_hash_function), a hash function used to authenticate message integrity

- [Hash table](/source/Hash_table), a data structure using hash functions

- [Hashtag](/source/Hashtag), a form of metadata often used on social networking websites

- [URI fragment](/source/URI_fragment), in computer hypertext, a string of characters that refers to a subordinate resource

- [Zobrist hashing](/source/Zobrist_hashing), a method of hashing chess positions into a key

## Other uses

- [Fossil hash](/source/Fossil_hash), a rock composed primarily of fragmented fossils

- [*Hash* (EP)](/source/Hash_(EP)) (*[#]*), a 2020 EP by Loona

## See also

Search for ***["HASH"](https://en.wikipedia.org/w/index.php?title=Special:Search&search=%22HASH%22&ns0=1&fulltext=Search)*** , ***["H.A.S.H."](https://en.wikipedia.org/w/index.php?title=Special:Search&search=%22H.A.S.H.%22&ns0=1&fulltext=Search)***, ***["hashes"](https://en.wikipedia.org/w/index.php?title=Special:Search&search=%22hashes%22&ns0=1&fulltext=Search)***, ***["hashs"](https://en.wikipedia.org/w/index.php?title=Special:Search&search=%22hashs%22&ns0=1&fulltext=Search)***, or ***["hash's"](https://en.wikipedia.org/w/index.php?title=Special:Search&search=%22hash%27s%22&ns0=1&fulltext=Search)*** on Wikipedia.

Search for ***["h-ash"](https://en.wikipedia.org/w/index.php?title=Special:Search&search=%22h-ash%22&ns0=1&fulltext=Search)*** , ***["has-h"](https://en.wikipedia.org/w/index.php?title=Special:Search&search=%22has-h%22&ns0=1&fulltext=Search)***, ***["ha-sh"](https://en.wikipedia.org/w/index.php?title=Special:Search&search=%22ha-sh%22&ns0=1&fulltext=Search)***, ***["h-as-h"](https://en.wikipedia.org/w/index.php?title=Special:Search&search=%22h-as-h%22&ns0=1&fulltext=Search)***, or ***["ha-s-h"](https://en.wikipedia.org/w/index.php?title=Special:Search&search=%22ha-s-h%22&ns0=1&fulltext=Search)*** on Wikipedia.

- [Hachis parmentier](/source/Hachis_parmentier), a name for shepherd's pie

- [Hash browns](/source/Hash_browns)

- [Hash House (disambiguation)](/source/Hash_House_(disambiguation))

- [Hashtag (disambiguation)](/source/Hashtag_(disambiguation))

- [Hatching](/source/Hatching), graphic procedure and pattern

- [All pages with titles beginning with *HASH*](https://en.wikipedia.org/wiki/Special:PrefixIndex/HASH)

- [All pages with titles beginning with *Hash*](https://en.wikipedia.org/wiki/Special:PrefixIndex/Hash)

- [All pages with titles containing *H.A.S.H.*](https://en.wikipedia.org/wiki/Special:Search/intitle:%22H.A.S.H.%22)

- [All pages with titles containing *Hash*](https://en.wikipedia.org/wiki/Special:Search/intitle:%22Hash%22)

Topics referred to by the same term

This [disambiguation](https://en.wikipedia.org/wiki/Help:Disambiguation) page lists  articles associated with the title **Hash**.
If an [internal link](https://en.wikipedia.org/w/index.php?title=Special:WhatLinksHere/Hash&namespace=0) incorrectly led you here, you may wish to change the link to point directly to the intended article.

---
Adapted from the Wikipedia article [Hash](https://en.wikipedia.org/wiki/Hash) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Hash?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.