provenance — Describes origin or history of the associated information
provenance :  [provID]
     author+
     (creationDate | functionCreationDate)
     documentRef*
     modificationRef*
     description?
The provenance element describes the history or source of the model data and includes author, date, and zero or more references to documents and modification records.
fileHeader
 | 
variableDef
 | 
griddedTableDef
 | 
ungriddedTableDef
 | 
function
 | 
checkData
 | 
staticShot
 | 
2011-03-25