<4 digit year><2 digit month><2 digit day><2 digit hour><2 digit minute><2 digit second>
Comment: This line states date and time when the file was created or changed last. The date needs to be the same as the one stated in line 7. In the present line however, not only the revision date, but also the revision time is given, which is important for larger, almost simultaneously generated file collections or near-real-time applications.
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