{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:VRXNO65PB4T3IXGTXS5ATLKO4N","short_pith_number":"pith:VRXNO65P","schema_version":"1.0","canonical_sha256":"ac6ed77baf0f27b45cd3bcba09ad4ee353aeaf66ac3bfcf0a181d8ab4a0a993f","source":{"kind":"arxiv","id":"2302.10851","version":2},"attestation_state":"computed","paper":{"title":"Symmetry breaking in merging binary black holes from young massive clusters and isolated binaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Aleksandra Olejak, Krzysztof Belczynski, Sambaran Banerjee","submitted_at":"2023-02-21T18:03:02Z","abstract_excerpt":"Properties of the to-date-observed binary black hole (BBH) merger events suggest a preference towards spin-orbit aligned mergers. Naturally, this has caused widespread interest and speculations regrading implications on various merger formation channels. Here we show that (i) not only the BBH-merger population from isolated binaries, but also (ii) BBH population formed in young massive clusters (YMC) would possess an asymmetry in favour of aligned mergers, in the distribution of the events' effective spin parameter ($\\chi_{\\rm eff}$). In our analysis, we utilize BBH-merger outcomes from state-"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2302.10851","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-21T18:03:02Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"55975f0afb010239abd2bf6769166321e71c09ecfaed0c3389668fe24e2999bc","abstract_canon_sha256":"3cba52b5a44d6aea2f31320aac967b54ea093bf8dfb566761a833e5a1241d5ff"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:38:48.017360Z","signature_b64":"kik8WmqncVkuK3gpXNK6YpPySkl/dwkX9wIFi3SY2Umopv+XvufaBxGRWPPBU0/8d9VPOLO5myf4eGcBIbQGAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac6ed77baf0f27b45cd3bcba09ad4ee353aeaf66ac3bfcf0a181d8ab4a0a993f","last_reissued_at":"2026-07-05T06:38:48.016879Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:38:48.016879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Symmetry breaking in merging binary black holes from young massive clusters and isolated binaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Aleksandra Olejak, Krzysztof Belczynski, Sambaran Banerjee","submitted_at":"2023-02-21T18:03:02Z","abstract_excerpt":"Properties of the to-date-observed binary black hole (BBH) merger events suggest a preference towards spin-orbit aligned mergers. Naturally, this has caused widespread interest and speculations regrading implications on various merger formation channels. Here we show that (i) not only the BBH-merger population from isolated binaries, but also (ii) BBH population formed in young massive clusters (YMC) would possess an asymmetry in favour of aligned mergers, in the distribution of the events' effective spin parameter ($\\chi_{\\rm eff}$). In our analysis, we utilize BBH-merger outcomes from state-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.10851","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2302.10851/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2302.10851","created_at":"2026-07-05T06:38:48.016936+00:00"},{"alias_kind":"arxiv_version","alias_value":"2302.10851v2","created_at":"2026-07-05T06:38:48.016936+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.10851","created_at":"2026-07-05T06:38:48.016936+00:00"},{"alias_kind":"pith_short_12","alias_value":"VRXNO65PB4T3","created_at":"2026-07-05T06:38:48.016936+00:00"},{"alias_kind":"pith_short_16","alias_value":"VRXNO65PB4T3IXGT","created_at":"2026-07-05T06:38:48.016936+00:00"},{"alias_kind":"pith_short_8","alias_value":"VRXNO65P","created_at":"2026-07-05T06:38:48.016936+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VRXNO65PB4T3IXGTXS5ATLKO4N","json":"https://pith.science/pith/VRXNO65PB4T3IXGTXS5ATLKO4N.json","graph_json":"https://pith.science/api/pith-number/VRXNO65PB4T3IXGTXS5ATLKO4N/graph.json","events_json":"https://pith.science/api/pith-number/VRXNO65PB4T3IXGTXS5ATLKO4N/events.json","paper":"https://pith.science/paper/VRXNO65P"},"agent_actions":{"view_html":"https://pith.science/pith/VRXNO65PB4T3IXGTXS5ATLKO4N","download_json":"https://pith.science/pith/VRXNO65PB4T3IXGTXS5ATLKO4N.json","view_paper":"https://pith.science/paper/VRXNO65P","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2302.10851&json=true","fetch_graph":"https://pith.science/api/pith-number/VRXNO65PB4T3IXGTXS5ATLKO4N/graph.json","fetch_events":"https://pith.science/api/pith-number/VRXNO65PB4T3IXGTXS5ATLKO4N/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VRXNO65PB4T3IXGTXS5ATLKO4N/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VRXNO65PB4T3IXGTXS5ATLKO4N/action/storage_attestation","attest_author":"https://pith.science/pith/VRXNO65PB4T3IXGTXS5ATLKO4N/action/author_attestation","sign_citation":"https://pith.science/pith/VRXNO65PB4T3IXGTXS5ATLKO4N/action/citation_signature","submit_replication":"https://pith.science/pith/VRXNO65PB4T3IXGTXS5ATLKO4N/action/replication_record"}},"created_at":"2026-07-05T06:38:48.016936+00:00","updated_at":"2026-07-05T06:38:48.016936+00:00"}