I have been looking at the ARC records released by NARA on 26 April 2018 again, and there is at least one error identifying a record.
NARA 18 lists the record 104-10012-10037; it is available here
In fact, this record has the identification sheet for ARC 104-10012-10037 on top of it, but the document that follows the sheet is not ARC 104-10012-10037.…