{"record":{"author":{"account_ref":null,"orcid":null},"builds_on":[],"content_schema":"pubphys.content.topic/1","content_sha256":"347bb1313d84b0ca3775a1f58a462143efce424e909ba247b7dc0d308e00ebb3","created":"2026-10-03T07:17:50Z","files":[],"origin":{"assisted_by":[],"kind":"seed"},"parents":[],"salt":"e32d408dafeb66aba2f30306a7ff26e517b5d10f28c96c65d8862114664b1d3d","schema":"pubphys.record/2","site":"pubphys.com","target":null,"type":"topic"},"content":{"external_id":"astro.compact-binary-origins","field":"astro","n":"1","review_cite":"M. Mapelli, Formation channels of single and binary stellar-mass black holes, Handbook of Gravitational Wave Astronomy (Springer), 2021","review_link":"https://arxiv.org/abs/2106.00699","review_verified":"true","summary":"Gravitational-wave detectors have recorded hundreds of mergers of black holes and neutron stars. How these pairs formed, and why some masses appear where theory forbids them, is open.","title":"Formation of merging black holes and neutron stars","topic_ref":null,"why":"The merging population records how massive stars live and die and how dense star clusters evolve."},"attested":{"attestation":{"batch":null,"client_id":null,"id_token_sha256":null,"kind":"platform"},"record_hash":"daba472bb0b714510fff4a7bb5a67935cfcb27a99af5cf911b7cdf92f4674c82","schema":"pubphys.attested/1"},"envelope":{"attested_hash":"940a855675a03b44e237dfb68ee47110d515916c848d28068aff5ba27578c735","platform_signature":{"key_id":"c6afc19b31429869751f06879c75cd64ea92654423d15b44be775bf1310a60da","sig":"30NTAanC0f1Mt7HPHAF4Emr6JKJKlU-W0PkKXP0pfzd_7Z5LeAeVevrqcypjOmGs9t9_ncWdWt0mStcIxe15Bg"},"schema":"pubphys.envelope/1"},"record_hash":"daba472bb0b714510fff4a7bb5a67935cfcb27a99af5cf911b7cdf92f4674c82","leaf_index":31}