```ruby
class BitSlicer < Cask
  version '1.7.3'
  sha256 'd1a2fa33852ec95f52070e6b4d9c16f4a8741b41d384f8d1aab7c501d5a78b24'

  url 'https://bitbucket.org/zorgiepoo/bit-slicer/downloads/Bit%20Slicer%201.7.3.zip'
  appcast 'http://zorg.tejat.net/bitslicer/update.php'
  homepage 'https://github.com/zorgiepoo/bit-slicer/'

  link 'Bit Slicer.app'
end
```

Update Bit-Slicer 1.7.3 sha256 hash
user
```ruby
class BitSlicer < Cask
  version '1.7.3'
  sha256 'be8e7638ef29b2fe85f4dc8d237176887c7de86debdb514ef4160d73597d99e7'

  url 'https://bitbucket.org/zorgiepoo/bit-slicer/downloads/Bit%20Slicer%201.7.3.zip'
  appcast 'http://zorg.tejat.net/bitslicer/update.php'
  homepage 'https://github.com/zorgiepoo/bit-slicer/'

  link 'Bit Slicer.app'
end
```
assistant