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A question is, "is all metadata public?" Presently the answer to this is yes; all metadata is exposed via OAI-PMH, even if the item has restricted access policies. The reasoning behind this is that people who do actually have permission to read a restricted item should still be able to use OAI-based services to discover the content. But, exposed data could be changed by changing the XSLT defined at [dspace]/config/modulescrosswalks/oai/metadataFormats.

Modification Date (OAI Date Stamp)

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Each OAI-PMH ListRecords request will return at most 100 records (by default) but it could be configured in the [dspace]/config/modulescrosswalks/oai/xoai.xml file.

When a resumption token is issued, the optional completeListSize and cursor attributes are included. OAI 2.0 resumption tokens are persistent, so expirationDate of the resumption token is undefined, they do not expire.

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