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Rule for creating Object and File OSNs using variable definitions from the Alma MARCXML Template and fileSec information
Object OSN: ETD_[OBJECT_ROLE]_[SCHOOL_CODE]_[DEGREE_DATE_VALUE]_PQ_[PROQUEST_IDENTIFIER_VALUE]
The Files OSN will be the same as the Object OSN with an additional 'sequence' number. Only Opaque Objects will need File OSNs with sequence numbers higher than 1 since only Opaque objects can have more than one file.
File OSN: OBJECT_OSN_sequence_number
Example OSNs for an ETD from GSAS in 2022:
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