Skeptical. http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.052501 It existed for an incredibly short time, and we've been wrong before about this very same manner. I'll look for future reviews of this study, but I doubt they will confirm it. Not to my knowledge, other than like anisotrophies in the CMB if that's what you're hinting to. But I mean, all of our evidence is inferential, and probably will be until we can create supersymmetry at LHC. If theres a joke being made, It's probably going over my head, but I'm going to go with quark.