With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
hpOVEvtTime
hp OV Evt Time
1.3.6.1.4.1.11.2.17.4.2.7
The time the field change occured.
Back to hpov-ovtopmd MIB page.
IPHost Network monitor allows you to monitor hpOVEvtTime on Hewlett Packard device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.