So public records indicate that an 85-year old Ruth Ginsburg, of Washington DC, married to Martin Ginsburg, is dead.
Scroll to the middle of the results to see for yourself.
https://www.searchquarry.com/namesearch/results?trackstat=homepage-&fname=ruth&lname=ginsburg&recordtype=Death&state=all&fbclid=IwAR3rGRAs8UzXB6mEc-hi1H5uWwVJsICY7LQ-DzouU9rcUAmGKgyWhz5A-jE
Social Security Death Records up to 2014 show no Ruth Ginsburg of that DOB has died, so that helps validate the claim that the only dead Ruth Ginsburg appeared in the last ~5 years.
https://www.genealogybank.com/explore/ssdi/all?fname=ruth&lname=ginsburg&kwinc=&kwexc=&minit=&birthy_0=&birthy_1=&deathy_0=&deathy_1=&citylast=&cntylast=&statelast=&ziplast=&nonusloc=&ssstate=&ssnum=&kbid=9064&m=9