A one-time upload fee could work with widespread expectations about how to entrust the money to long-term preservation, and how to report that transparently. I'

A one-time upload fee could work with widespread expectations about how to entrust the money to long-term preservation, and how to report that transparently. I'm reminded of cemetery management which must split plot sale revenue between today's expenses and the trust that cares for the cemetery at least a century after the last one is sold.