B-mesonCPviolation without flavor identification

We present tests of $\mathrm{CP}$ symmetry in $B$ meson decay which do not require the tagging of the flavor of the $B$ meson. These involve $\mathrm{CP}$-odd energy asymmetries in the sum of all $B^0$ and ${\overline{B}}^0$ events. We explore the expected patterns of signals within the standard model.