Several teams are submitting prototypes for review by a certain date. These will be viewed on their own servers. So I am looking for a utility that will prove that the prototype has not been changed since the deadline date. thanks.
If the files are stored on servers under the control of participants, and you want to ensure that they do not cheat, ask the teams to send you a checksum of their executable, using a particular reliable tool. You can even specify the tool that should be used.
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