"You can send an updated job to an Antminer and watch it continue to work on an old job for over 60 seconds in edge cases" 
nostr:nevent1qqsdvh3zs0el2pyfyym9ypa8xj9ju2su4vzrmy2awafd976jj6jveespz3mhxue69uhhyetvv9ujuerpd46hxtnfdupzqa8lc5wvxq2seaumdje3d5aptnen92ef5w87e845sj4325wk6xzkqvzqqqqqqyke38xg 

 Wow. 

That explains a lot! 

 I feel bad for Ocean. They have been copping a bad rap for mining 3 empty blocks. Looks like it was actually due to Bitmain playing games