L.2.10.3.5.1 Summary Revision Table

Contents of the Shared Workbook Revision Header part (revisionHeaders.xml).

<header guid="{B0CB8BC9-63A4-4830-8821-E03C053BD326}"
  dateTime="2006-04-14T10:40:24" maxSheetId="4" userName="User 2"
  r:id="rId6" minRId="22">
  <sheetIdMap count="3">
    <sheetId val="1"/>
    <sheetId val="2"/>
    <sheetId val="3"/>
  </sheetIdMap>
</header>

Use the r:id value of rId6 and then follow the relationship expressed in revisionHeaders.xml.rels. In this way the corresponding Shared Workbook Revision Log part can be located.