{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:7VM53P62O7R4W5UHB4W76QV7V2","short_pith_number":"pith:7VM53P62","schema_version":"1.0","canonical_sha256":"fd59ddbfda77e3cb76870f2dff42bfaea9de9ec0544d4a09ee2835bf5417c27c","source":{"kind":"arxiv","id":"1706.01385","version":2},"attestation_state":"computed","paper":{"title":"Distinguishing Spin-Aligned and Isotropic Black Hole Populations With Gravitational Waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Alberto Vecchio, Ben Farr, Ilya Mandel, M. Coleman Miller, Simon Stevenson, Will M. Farr","submitted_at":"2017-06-05T15:52:40Z","abstract_excerpt":"The first direct detections of gravitational waves from merging binary black holes open a unique window into the binary black hole formation environment. One promising environmental signature is the angular distribution of the black hole spins; systems formed through dynamical interactions among already-compact objects are expected to have isotropic spin orientations whereas binaries formed from pairs of stars born together are more likely to have spins preferentially aligned with the binary orbital angular momentum. We consider existing gravitational wave measurements of the binary effective "},"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":"1706.01385","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-06-05T15:52:40Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"90e8f82460ce68617f84934fe35aa051b784b98aa7a19e8ad928c1ceb1691e9a","abstract_canon_sha256":"f0731d075d56fa00f9006acb4496659c1191d29e906584b1757fc286adfa6a69"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:03.163493Z","signature_b64":"nAhUppzwJpUB/2sQhQMQal8kNO7JlZlvi03m57trCOFL75P9B6Op/ZuZoPJWEtmjveHDljOjoYfxEu3pam1MCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd59ddbfda77e3cb76870f2dff42bfaea9de9ec0544d4a09ee2835bf5417c27c","last_reissued_at":"2026-05-18T00:36:03.162985Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:03.162985Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Distinguishing Spin-Aligned and Isotropic Black Hole Populations With Gravitational Waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Alberto Vecchio, Ben Farr, Ilya Mandel, M. Coleman Miller, Simon Stevenson, Will M. Farr","submitted_at":"2017-06-05T15:52:40Z","abstract_excerpt":"The first direct detections of gravitational waves from merging binary black holes open a unique window into the binary black hole formation environment. One promising environmental signature is the angular distribution of the black hole spins; systems formed through dynamical interactions among already-compact objects are expected to have isotropic spin orientations whereas binaries formed from pairs of stars born together are more likely to have spins preferentially aligned with the binary orbital angular momentum. We consider existing gravitational wave measurements of the binary effective "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.01385","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":""},"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":"1706.01385","created_at":"2026-05-18T00:36:03.163068+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.01385v2","created_at":"2026-05-18T00:36:03.163068+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.01385","created_at":"2026-05-18T00:36:03.163068+00:00"},{"alias_kind":"pith_short_12","alias_value":"7VM53P62O7R4","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_16","alias_value":"7VM53P62O7R4W5UH","created_at":"2026-05-18T12:31:05.417338+00:00"},{"alias_kind":"pith_short_8","alias_value":"7VM53P62","created_at":"2026-05-18T12:31:05.417338+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":9,"internal_anchor_count":7,"sample":[{"citing_arxiv_id":"2607.07120","citing_title":"Prospect for Detection of Strongly Lensed Multi-messenger Signals of Binary Neutron Star Mergers","ref_index":245,"is_internal_anchor":true},{"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":22,"is_internal_anchor":true},{"citing_arxiv_id":"2606.18081","citing_title":"The Chirp-Mass Ladder: A New Rung Emerges","ref_index":33,"is_internal_anchor":true},{"citing_arxiv_id":"2311.01300","citing_title":"Waveform Modelling for the Laser Interferometer Space Antenna","ref_index":197,"is_internal_anchor":true},{"citing_arxiv_id":"2404.14286","citing_title":"Evidence for eccentricity in the population of binary black holes observed by LIGO-Virgo-KAGRA","ref_index":16,"is_internal_anchor":true},{"citing_arxiv_id":"2509.13638","citing_title":"An Implementation to Identify the Properties of Multiple Population of Gravitational Wave Sources","ref_index":30,"is_internal_anchor":true},{"citing_arxiv_id":"2108.01045","citing_title":"GWTC-2.1: Deep Extended Catalog of Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run","ref_index":256,"is_internal_anchor":true},{"citing_arxiv_id":"2604.06090","citing_title":"Posterior Predictive Checks for Gravitational-wave Populations: Limitations and Improvements","ref_index":74,"is_internal_anchor":false},{"citing_arxiv_id":"2007.05579","citing_title":"Inferring the properties of a population of compact binaries in presence of selection effects","ref_index":18,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7VM53P62O7R4W5UHB4W76QV7V2","json":"https://pith.science/pith/7VM53P62O7R4W5UHB4W76QV7V2.json","graph_json":"https://pith.science/api/pith-number/7VM53P62O7R4W5UHB4W76QV7V2/graph.json","events_json":"https://pith.science/api/pith-number/7VM53P62O7R4W5UHB4W76QV7V2/events.json","paper":"https://pith.science/paper/7VM53P62"},"agent_actions":{"view_html":"https://pith.science/pith/7VM53P62O7R4W5UHB4W76QV7V2","download_json":"https://pith.science/pith/7VM53P62O7R4W5UHB4W76QV7V2.json","view_paper":"https://pith.science/paper/7VM53P62","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.01385&json=true","fetch_graph":"https://pith.science/api/pith-number/7VM53P62O7R4W5UHB4W76QV7V2/graph.json","fetch_events":"https://pith.science/api/pith-number/7VM53P62O7R4W5UHB4W76QV7V2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7VM53P62O7R4W5UHB4W76QV7V2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7VM53P62O7R4W5UHB4W76QV7V2/action/storage_attestation","attest_author":"https://pith.science/pith/7VM53P62O7R4W5UHB4W76QV7V2/action/author_attestation","sign_citation":"https://pith.science/pith/7VM53P62O7R4W5UHB4W76QV7V2/action/citation_signature","submit_replication":"https://pith.science/pith/7VM53P62O7R4W5UHB4W76QV7V2/action/replication_record"}},"created_at":"2026-05-18T00:36:03.163068+00:00","updated_at":"2026-05-18T00:36:03.163068+00:00"}