No they were not, in point of fact.
After the Constitution was ratified, the individual states were no longer sovereigns, as the Constitution makes explicitly clear.
Now you’re just making up stuff as you go along.
I can show you where the Constitution comments on the matter demonstrating that I am correct. Can you?
Look at the 10th Amendment. It was crafted to protect the power and sovereignty in the states because the Anti-Federalist clearly understood the tyrannical nature of a single, federal level of control.