Is there any evidence of a fundemental quantized unit of time existing? Can I fundementally treat time as continuous or discrete? Plank time isn't good enough because it's possible that we see a phenomenon that happens over a shorter time period and that we need better instruments.

This question very important to me because I don't see a possibility that we can situate identity as existing metaphysically without quantized time. It also seems to imply to me that determinism is wrong.

But please correct me on this you big-brains I don't study quantum physics or general relativity