- files: ["thick_stamp_sub.ogg"]
  license: "CC-BY-4.0"
  copyright: "Created by newagesoup. Converted from WAV to OGG by Lomcastar, then to mono by crazybrain23."
  source: "https://freesound.org/people/newagesoup/sounds/347323/"

- files: ["automatic_stamp.ogg"]
  license: "CC-BY-4.0"
  copyright: "Created by kermite607. Converted from WAV to OGG by Lomcastar, then to mono by crazybrain23."
  source: "https://freesound.org/people/kermite607/sounds/362624/"