Not that I believe this result is clean, but Yelena Lashmanova ran the 50km race walk world record last year which was scored at 1336, above the 1326 of Gidey.
https://worldathletics.org/athletes/russia/yelena-lashmanova-14330123
https://worldathletics.org/athletes/ethiopia/letesenbet-gidey-14654918