All Pi have a serial number (programmed at manufacture) and MAC address/es are algorithmically derived from this (you have to search to discover the algorithm but the code is available - originally ...
This is the answer
ExecStart=/usr/bin/cvlc --play-then-stop /path/to/video.mp4
I have a 3.5 inch HDMI LED Waveshare display on a raspberry pi zero w running Bullseye 32 bit mode working fine with the following in /boot/config.txt. I am not using the touch part, only using it as ...
I think you've got the syntax right on the first entry:
sudo crontab -e → 0 0 * * WED,SUN reboot → ❌ no reboot
I confirmed that with crontab guru, and in man 5 crontab.
The thing you have missed is ...