I wonder - when the Sun goes supernova, will the man-made exotic nuclear elements on Earth change it’s spectrum in a detectable way? Someone on here once sugge

I wonder - when the Sun goes supernova, will the man-made exotic nuclear elements on Earth change it’s spectrum in a detectable way? Someone on here once suggested shooting nuclear waste into the sun, but apparently aliens would immediately be able to tell we did that from the absorbtion lines, in addition to the impractical delta-V involved.