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

Substances

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  • Hash (food), a coarse mixture of ingredients, often based on minced meat
  • Hash (stew), a pork and onion-based gravy found in South Carolina
  • Fossil hash, a rock composed primarily of fragmented fossils
  • Hash, a nickname for hashish, a cannabis product

Marks and symbols

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Computing

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  • Hash function, a small, fixed-size pseudorandom index derived in a deterministic way from data; used in hash tables and cryptography
    • Cryptographic hash function, a hash function used to authenticate message integrity
      • Hash chain, a method of producing many single-use keys from a master key or password
    • Geohash, a spatial data structure which subdivides space into buckets of grid shape
    • Hash table, a data structure using hash functions
      • hash (Unix), an operating system command for manipulating a hash table
    • Zobrist hashing, a method of hashing chess positions into a key
  • URI fragment, in computer hypertext, a string of characters that refers to a subordinate resource

Other uses

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See also

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