I'll tell you who you are Mystery Cache

Last month's puzzle turned out to be more frustrating than expected, so time for something that should be easier and fun.

Note about the Triangle Puzzle Challenge: To be considered for the solver points, you must verify your answer with certitude. All point scoring is arbitrary and subject to change. One challenge puzzle will be posted per month and hint added on the 15th of the month. Please do not share the hints with others. Team work is accepted but please note on your logs or send me an email with team members.

Triangle Puzzle Challenge Solvers
Triangle Puzzle Challenge Finders

You can validate your puzzle solution with certitude.