Congratulations on winning a nice canoe. 179532 is a 16' Old Town Otca that was shipped to Marina del Rey, CA in February of 1968. The only other details in the build record is that it had a keel installed and it was originally painted in Design #4.
A copy of the build record and a picture of design # 4 are attached.
Scans of approximately 210,000 records were created with substantial grants from the Wooden Canoe Heritage Association (WCHA) and others. Additional information about the project to preserve these records is available at http://www.wcha.org/catalogs/old-town/records/ if you want more details. Please join WCHA or make a tax deductable contribution so that services like this can continue. See http://www.wcha.org/wcha/ to learn more about the WCHA and http://www.wcha.org/join.html to join. If you are already a WCHA member, THANK YOU!
It is also possible that you could have another number or manufacturer if this description doesn't match your canoe. Feel free to reply here if you have any other questions.