{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:EWW5MQENWFPP7MZXIVVYFYNYUW","short_pith_number":"pith:EWW5MQEN","schema_version":"1.0","canonical_sha256":"25add6408db15effb337456b82e1b8a58ef7470950910de4a56c5510c0ef4c5b","source":{"kind":"arxiv","id":"2002.11630","version":2},"attestation_state":"computed","paper":{"title":"Cosmic Rates of Black Hole Mergers and Pair-Instability Supernovae from Chemically Homogeneous Binary Evolution","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":"Chiaki Kobayashi, Filipe B. Abdalla, Ilya Mandel, Lise du Buisson, Norbert Langer, Pablo Marchant, Philipp Podsiadlowski, Philip Taylor, Selma E. de Mink, Takashi J. Moriya","submitted_at":"2020-02-26T17:12:47Z","abstract_excerpt":"During the first three observing runs of the Advanced gravitational-wave detector network, the LIGO/Virgo collaboration detected several black hole binary (BHBH) mergers. As the population of detected BHBH mergers grows, it will become possible to constrain different channels for their formation. Here we consider the chemically homogeneous evolution (CHE) channel in close binaries, by performing population synthesis simulations that combine realistic binary models with detailed cosmological calculations of the chemical and star-formation history of the Universe. This allows us to constrain pop"},"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":"2002.11630","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-02-26T17:12:47Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"1b63fe250459be529c3a293a958fcaba9a26c8439a37f63fb44278b56f8d6e3f","abstract_canon_sha256":"3fe361ec54087f23476a800b8ebc2600ad70f3301b5051d73ff5411dd178ff12"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:49:49.922007Z","signature_b64":"iKdWS5B+2sG7mK7yAM6rhvZjj8p6M5WkTumS0i85FBe5CjZpow4JTr6uAhtsmlgkCWFyfMIgW5chQ+wjZZOGDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25add6408db15effb337456b82e1b8a58ef7470950910de4a56c5510c0ef4c5b","last_reissued_at":"2026-07-05T01:49:49.921527Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:49:49.921527Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cosmic Rates of Black Hole Mergers and Pair-Instability Supernovae from Chemically Homogeneous Binary Evolution","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":"Chiaki Kobayashi, Filipe B. Abdalla, Ilya Mandel, Lise du Buisson, Norbert Langer, Pablo Marchant, Philipp Podsiadlowski, Philip Taylor, Selma E. de Mink, Takashi J. Moriya","submitted_at":"2020-02-26T17:12:47Z","abstract_excerpt":"During the first three observing runs of the Advanced gravitational-wave detector network, the LIGO/Virgo collaboration detected several black hole binary (BHBH) mergers. As the population of detected BHBH mergers grows, it will become possible to constrain different channels for their formation. Here we consider the chemically homogeneous evolution (CHE) channel in close binaries, by performing population synthesis simulations that combine realistic binary models with detailed cosmological calculations of the chemical and star-formation history of the Universe. This allows us to constrain pop"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.11630","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/2002.11630/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":"2002.11630","created_at":"2026-07-05T01:49:49.921591+00:00"},{"alias_kind":"arxiv_version","alias_value":"2002.11630v2","created_at":"2026-07-05T01:49:49.921591+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.11630","created_at":"2026-07-05T01:49:49.921591+00:00"},{"alias_kind":"pith_short_12","alias_value":"EWW5MQENWFPP","created_at":"2026-07-05T01:49:49.921591+00:00"},{"alias_kind":"pith_short_16","alias_value":"EWW5MQENWFPP7MZX","created_at":"2026-07-05T01:49:49.921591+00:00"},{"alias_kind":"pith_short_8","alias_value":"EWW5MQEN","created_at":"2026-07-05T01:49:49.921591+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.12205","citing_title":"Evidence for additional structure in the effective spin distribution hints at multiple formation pathways in GWTC-5.0","ref_index":38,"is_internal_anchor":false},{"citing_arxiv_id":"2111.03606","citing_title":"GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run","ref_index":69,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EWW5MQENWFPP7MZXIVVYFYNYUW","json":"https://pith.science/pith/EWW5MQENWFPP7MZXIVVYFYNYUW.json","graph_json":"https://pith.science/api/pith-number/EWW5MQENWFPP7MZXIVVYFYNYUW/graph.json","events_json":"https://pith.science/api/pith-number/EWW5MQENWFPP7MZXIVVYFYNYUW/events.json","paper":"https://pith.science/paper/EWW5MQEN"},"agent_actions":{"view_html":"https://pith.science/pith/EWW5MQENWFPP7MZXIVVYFYNYUW","download_json":"https://pith.science/pith/EWW5MQENWFPP7MZXIVVYFYNYUW.json","view_paper":"https://pith.science/paper/EWW5MQEN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2002.11630&json=true","fetch_graph":"https://pith.science/api/pith-number/EWW5MQENWFPP7MZXIVVYFYNYUW/graph.json","fetch_events":"https://pith.science/api/pith-number/EWW5MQENWFPP7MZXIVVYFYNYUW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EWW5MQENWFPP7MZXIVVYFYNYUW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EWW5MQENWFPP7MZXIVVYFYNYUW/action/storage_attestation","attest_author":"https://pith.science/pith/EWW5MQENWFPP7MZXIVVYFYNYUW/action/author_attestation","sign_citation":"https://pith.science/pith/EWW5MQENWFPP7MZXIVVYFYNYUW/action/citation_signature","submit_replication":"https://pith.science/pith/EWW5MQENWFPP7MZXIVVYFYNYUW/action/replication_record"}},"created_at":"2026-07-05T01:49:49.921591+00:00","updated_at":"2026-07-05T01:49:49.921591+00:00"}