{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:KMMJRMUPFGSYBALMVWVYSTYESD","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"6e58557249bb380c020572d23f7d7e424ca9fbf39767892f3ce00f43bd2a22d2","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-24T18:00:01Z","title_canon_sha256":"596e1f2304b25e8ffe7a6956d193b2649dddd1a4388e3435c2b92f3e1657551e"},"schema_version":"1.0","source":{"id":"2109.12119","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.12119","created_at":"2026-07-05T05:53:30Z"},{"alias_kind":"arxiv_version","alias_value":"2109.12119v2","created_at":"2026-07-05T05:53:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.12119","created_at":"2026-07-05T05:53:30Z"},{"alias_kind":"pith_short_12","alias_value":"KMMJRMUPFGSY","created_at":"2026-07-05T05:53:30Z"},{"alias_kind":"pith_short_16","alias_value":"KMMJRMUPFGSYBALM","created_at":"2026-07-05T05:53:30Z"},{"alias_kind":"pith_short_8","alias_value":"KMMJRMUP","created_at":"2026-07-05T05:53:30Z"}],"graph_snapshots":[{"event_id":"sha256:2bd475c6b2bfa5bea472f518bbe77e55c709a2916a4515240c90f148307d1dc5","target":"graph","created_at":"2026-07-05T05:53:30Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.12119/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The current interpretation of LIGO--Virgo--KAGRA data suggests that the primary mass function of merging binary black holes (BBHs) at redshift $z\\lesssim 1$ contains multiple structures, while spins are relatively low. Theoretical models of BBH formation in different environments can provide a key to interpreting the population of observed mergers, but they require the simultaneous treatment of stellar evolution and dynamics, galaxy evolution, and general relativity. We present \\texttt{B-POP}, a population synthesis tool to model BBH mergers formed in the field or via dynamical interactions in","authors_text":"Manuel Arca Sedda, Mario Spera, Matthew Benacquista, Michela Mapelli","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-24T18:00:01Z","title":"Isolated and dynamical black hole mergers with \\texttt{B-POP}: the role of star formation and dynamics, star cluster evolution, natal kicks, mass and spins, and hierarchical mergers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.12119","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:802552468168781e5b62e8c82c17948f4eff1eba09ae8c9418d9fdcbe0cc4b39","target":"record","created_at":"2026-07-05T05:53:30Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"6e58557249bb380c020572d23f7d7e424ca9fbf39767892f3ce00f43bd2a22d2","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-09-24T18:00:01Z","title_canon_sha256":"596e1f2304b25e8ffe7a6956d193b2649dddd1a4388e3435c2b92f3e1657551e"},"schema_version":"1.0","source":{"id":"2109.12119","kind":"arxiv","version":2}},"canonical_sha256":"531898b28f29a580816cadab894f0490f30afbc45fc61d7a058736f35ce4367f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"531898b28f29a580816cadab894f0490f30afbc45fc61d7a058736f35ce4367f","first_computed_at":"2026-07-05T05:53:30.655757Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:53:30.655757Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B+buqPeEx5vLdvpIV99RD8OS5/nCuWammYDUqk/hTjkJwAxhgE4YQEvp3F1LF+qvovDiOxB9wh648itmxlNhDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:53:30.656214Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.12119","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:802552468168781e5b62e8c82c17948f4eff1eba09ae8c9418d9fdcbe0cc4b39","sha256:2bd475c6b2bfa5bea472f518bbe77e55c709a2916a4515240c90f148307d1dc5"],"state_sha256":"63a6482d6b191a6a8f7adff0b8ee537e280c3e195868fee1aac7c8d9b4e8af91"}