nostr:npub1k9arkn78gmdp5ew20r44aqwwu84wjhvshjf9kcht46heh4zajthsjjm3yh
Have it log to a file. Very simple to implement.
Discussion
nostr:npub1k9arkn78gmdp5ew20r44aqwwu84wjhvshjf9kcht46heh4zajthsjjm3yh
Cronjob execution will be logged either way though in the syslog or messages files depending on the system