@misc{gfp_map_standard_model_cover_to_z2,
  author = {{Groups for Physics}},
  title = {G_SM^(1) → G_SM^(2)},
  howpublished = {Groups for Physics reference},
  url = {https://groups.qft.org/atlas/maps/standard-model-cover-to-z2/},
  version = {2026.11-workbench.4},
  note = {Research workbench IV; review status recorded on canonical page}
}