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What short name does OAIS use for an information package that is used for dissemination?
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== Description == <!-- Describe the what the tool does, focusing on it's digital preservation value. Keep it factual. --> The tool validates the following set of header fields in a DPX file: * Magic number of 'SDPX' or 'XPDS' for reversed byte order. * A valid image data offset value. * Header format version number as 'V2.0'. * DPX file size in header matches what filesystem shows. * Encryption key is undefined and therefore image is unencrypted. For more information about DPX, see the SMPTE standard ST 268-1:2014: File Format for Digital Moving-Picture Exchange (DPX). == User Experiences == <!-- Add hotlinks to user experiences with the tool (eg. blog posts). These should illustrate the effectiveness (or otherwise) of the tool. Use a bullet list. --> == Development Activity == <!-- Provide *evidence* of development activity of the tool. For example, RSS feeds for code issues or commits. --> <!-- Add the OpenHub.com ID for the tool, if known. -->