PinInput: access to 'aria-invalid' on each individual PinInputInput

[nuno-am]

Is it possible to have access to the aria-invalid attribute on each individual input element (PinInputInput) that makes for the Pin Input component?
The use case is to have a direct access for styling the PinInputInput element, without relying on a property set on the root element.
I believe it makes sense to consider each input element invalid if the parent itself is invalid (there would be no other possible combinations).

Is this possible right now? If not, do you believe it could be supported by the library?
Thanks