Yes DB2 v8.1 at Fixpack 7 level is Db2 V8.2 or Stinger.
Db2level command will show DB2 CODE Release as SQL08020.
db2level
DB21085I Instance "DB2DMD01" uses "32" bits and DB2 code release "SQL08020" with level identifier "03010106".
Informational tokens are "DB2 v8.1.7.445", "s040812", "WR21342", and FixPak
"7".
Product is installed at "C:\Program files\IBM\SQLLIB\".