jm Ìf)wa²Õ=*ZÌz,Gi@üÌÈTÕ3]î3LOh, I didn't see it go to BTC go to zero. Nevertheless, the reporting system is bugged. Look right now, reporting negative hashrate...
https://whatsonchain.com/tx/8354106daecadf3fa22ef9e6f9669aea16e1303b0ec312d5a7c3023224350b90