Would it not be easier to use some method that doesn't cause a mess and to automate an email or text message to your local police department/paramedic etc with

Would it not be easier to use some method that doesn't cause a mess and to automate an email or text message to your local police department/paramedic etc with details on what you've done and how to locate your body? Sounds preferable to leaving it to chance whilst your body is in a freezer for n years.