Hi Chris,
Oracle 10gR2 64-bit on HP-UX Itanium 11i v2 (11.23 is not yet certified and is in Projected status for certification.
Oracle 10gR2 64-bit on HP-UX PA-RISC 11i v2 (11.23) is ceritifed.
Oracle 10g Release 1 is certified for both HP-UX PA-RISC and HP-UX Itanium 11i V2 (11.23).
Indira A
Never give up, Keep Trying