{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:QLQSM63X3TV75PCPTYYYSL3BBY","short_pith_number":"pith:QLQSM63X","schema_version":"1.0","canonical_sha256":"82e1267b77dcebfebc4f9e31892f610e02a4212a2cb81cd3fd344ae6a715f573","source":{"kind":"arxiv","id":"2606.02431","version":1},"attestation_state":"computed","paper":{"title":"Regression on Regression: Mapping Data-Driven Binary Black Hole Merger Rate Fits to Progenitor Histories","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Aryanna Schiebelbein-Zwack, Emma Blanchet, Maya Fishbach","submitted_at":"2026-06-01T16:06:10Z","abstract_excerpt":"The binary black hole (BBH) merger rate is governed by the progenitor formation rate and the distribution of delay-times between formation and merger, but these functions remain poorly constrained. We introduce a framework that maps the parameters of physics-driven models directly onto existing data-driven fits of the BBH merger rate. This ``regression on regression'' approach enables physical interpretation of flexible population models without the computational burden of reanalyzing the underlying gravitational-wave event data. Applying this method to the \\textsc{B-Spline} merger-rate poster"},"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":"2606.02431","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-06-01T16:06:10Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"9965d7b1fa4dd99680a297713e5b27a0ac37695e44f9f62889df9638bda6bde0","abstract_canon_sha256":"bce89d47a5cd898abecf439b5ae233311a7fdc2627028cf2c62fa394db279e19"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T03:04:59.132634Z","signature_b64":"xNdSDfUB2tGIcg8fgD8gBpy9Ziif6czT3jwATnViH+JY0lfJceeNUR0itbPYHBm98hW12URWmXKGPtRF+C2lCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82e1267b77dcebfebc4f9e31892f610e02a4212a2cb81cd3fd344ae6a715f573","last_reissued_at":"2026-06-02T03:04:59.132263Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T03:04:59.132263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Regression on Regression: Mapping Data-Driven Binary Black Hole Merger Rate Fits to Progenitor Histories","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Aryanna Schiebelbein-Zwack, Emma Blanchet, Maya Fishbach","submitted_at":"2026-06-01T16:06:10Z","abstract_excerpt":"The binary black hole (BBH) merger rate is governed by the progenitor formation rate and the distribution of delay-times between formation and merger, but these functions remain poorly constrained. We introduce a framework that maps the parameters of physics-driven models directly onto existing data-driven fits of the BBH merger rate. This ``regression on regression'' approach enables physical interpretation of flexible population models without the computational burden of reanalyzing the underlying gravitational-wave event data. Applying this method to the \\textsc{B-Spline} merger-rate poster"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.02431","kind":"arxiv","version":1},"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/2606.02431/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":"2606.02431","created_at":"2026-06-02T03:04:59.132325+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.02431v1","created_at":"2026-06-02T03:04:59.132325+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.02431","created_at":"2026-06-02T03:04:59.132325+00:00"},{"alias_kind":"pith_short_12","alias_value":"QLQSM63X3TV7","created_at":"2026-06-02T03:04:59.132325+00:00"},{"alias_kind":"pith_short_16","alias_value":"QLQSM63X3TV75PCP","created_at":"2026-06-02T03:04:59.132325+00:00"},{"alias_kind":"pith_short_8","alias_value":"QLQSM63X","created_at":"2026-06-02T03:04:59.132325+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/QLQSM63X3TV75PCPTYYYSL3BBY","json":"https://pith.science/pith/QLQSM63X3TV75PCPTYYYSL3BBY.json","graph_json":"https://pith.science/api/pith-number/QLQSM63X3TV75PCPTYYYSL3BBY/graph.json","events_json":"https://pith.science/api/pith-number/QLQSM63X3TV75PCPTYYYSL3BBY/events.json","paper":"https://pith.science/paper/QLQSM63X"},"agent_actions":{"view_html":"https://pith.science/pith/QLQSM63X3TV75PCPTYYYSL3BBY","download_json":"https://pith.science/pith/QLQSM63X3TV75PCPTYYYSL3BBY.json","view_paper":"https://pith.science/paper/QLQSM63X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.02431&json=true","fetch_graph":"https://pith.science/api/pith-number/QLQSM63X3TV75PCPTYYYSL3BBY/graph.json","fetch_events":"https://pith.science/api/pith-number/QLQSM63X3TV75PCPTYYYSL3BBY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QLQSM63X3TV75PCPTYYYSL3BBY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QLQSM63X3TV75PCPTYYYSL3BBY/action/storage_attestation","attest_author":"https://pith.science/pith/QLQSM63X3TV75PCPTYYYSL3BBY/action/author_attestation","sign_citation":"https://pith.science/pith/QLQSM63X3TV75PCPTYYYSL3BBY/action/citation_signature","submit_replication":"https://pith.science/pith/QLQSM63X3TV75PCPTYYYSL3BBY/action/replication_record"}},"created_at":"2026-06-02T03:04:59.132325+00:00","updated_at":"2026-06-02T03:04:59.132325+00:00"}