It looks like you'll be able to search this site if the settlement is approved:
> https://www.anthropiccopyrightsettlement.com/
If your work is there, you qualify for a slice of the settlement. If not, you're outta luck.
This site references Meta, but the training corpus probably has some overlap? Maybe?
https://www.theatlantic.com/technology/archive/2025/03/searc...