Also, how does he guarantee his function to be called at least once a day? Perhaps he needs a quantum machine to run his code or he should use a "predictable-ra

Also, how does he guarantee his function to be called at least once a day? Perhaps he needs a quantum machine to run his code or he should use a "predictable-random-generator" (http://goo.gl/jsYC http://goo.gl/jsYC) which "would violate his 'stateless' requirement".