[API-users] lastInterpreted query param not working?

[Ken-ichi]

GET http://api.gbif.org/v0.9/occurrence/search?institutioncode=iNaturalist&lastInterpreted=2014-01-01
{
offset: 0,
limit: 20,
endOfRecords: true,
count: 0,
results: [ ]
}

I'm pretty sure you guys have indexed more than zero records from us
since 2014-01-01. Am I doing something wrong? Also, does "interpreted"
here mean the last time you *changed* or *added* the record on GBIF or
the last time you verified that the source and the GBIF record were in
sync?

-ken-ichi