Solved
Raspberry Pi can't connect to ThingWorx
when i study the example Connect Raspberry Pi to ThingWorx, i encounter this problem: 
by the way, my thingworx version is 9.1.12-b1048, is this the reason?
Hi,
There have been similar problems before:
- "Error connecting raspberry pi using ssl": https://community.ptc.com/t5/ThingWorx-Developers/Error-connecting-raspberry-pi-using-ssl/td-p/538203
- "Connecting Raspberry Pi to Thingworx ERROR": https://community.ptc.com/t5/ThingWorx-Developers/Connecting-Raspberry-Pi-to-Thingworx-ERROR/td-p/609101
- "Raspberry PI OS (Buster) EMS - SSL handshake error / Verify Failed / twWs_Connect: Error restarting": https://community.ptc.com/t5/ThingWorx-Developers/Raspberry-PI-OS-Buster-EMS-SSL-handshake-error-Verify-Failed/td-p/671716
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