I don't know anything about Digimarc, but it looks like this tool may allow you to create watermarks as other people using the official digimarc software https:

I don't know anything about Digimarc, but it looks like this tool may allow you to create watermarks as other people using the official digimarc software https://github.com/flarn2006/DigimarcPIN/ https://github.com/flarn2006/DigimarcPIN/