{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"e5ea630812b128495216233306e2a29161edc452ea1c469a44f6b31d65333063","created":"2026-10-03T07:17:51Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"af1a3d3403f117136398d04a4e82986a70d5a0cead625b30970a5e1e4cfbda30","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"hep.baryogenesis","field":"hep","n":"1","review_cite":"D. Bodeker, W. Buchmuller, Baryogenesis from the weak scale to the grand unification scale, Reviews of Modern Physics, 2021","review_link":"https://arxiv.org/abs/2009.07294","review_verified":"true","summary":"The Big Bang should have made equal amounts of matter and antimatter, yet the universe contains almost only matter. The SM cannot produce the observed excess.","title":"Origin of the matter-antimatter asymmetry","topic_ref":null,"why":"The existence of matter requires physics beyond the SM, of a kind that may be testable."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"c54812d3b8f0845a9a58fc3c5ac18fb1c12d2e71ab9f3fd11422e3dcd5aa26bc","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"cf392818a0b1ce920b762d79547af9a2b760a8278dd02e8c5eccccef3f47fe17","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"851XqHNgZpUEmohIza5yGDq3HEUDtOmxeiz5hbv1lZvOUtLspjEz3GSwXCrooWC_rYFqZQCBwb3fHMGEqMF5AQ"},"schema":"pubphys.envelope/1"},"record_hash":"c54812d3b8f0845a9a58fc3c5ac18fb1c12d2e71ab9f3fd11422e3dcd5aa26bc","leaf_index":238}