metadata (METS)
content
metadata (METS)
content
SIP Directory Structure

titleid/

        issueid/

                issue-md.xml

                issue.xml

                cover.tif

                ...

                itemid 1/

                        item-md.xml

                        item.xml

                        item.pdf

                        fig1.tif

                        ...

                itemid n /

                        ...