{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:GTK4KP6T3M7TUXARVKE7BAINYJ","short_pith_number":"pith:GTK4KP6T","schema_version":"1.0","canonical_sha256":"34d5c53fd3db3f3a5c11aa89f0810dc257fd267a1715b2f1b4e6d73e666c7543","source":{"kind":"arxiv","id":"2003.09456","version":2},"attestation_state":"computed","paper":{"title":"Reconstructing gravitational wave signals from binary black hole mergers with minimal assumptions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"James A. Clark, Katerina Chatziioannou, Laura Cadonati, Margaret Millhouse, Neil Cornish, Sudarshan Ghonge, Tyson Littenberg","submitted_at":"2020-03-20T18:49:57Z","abstract_excerpt":"We present a systematic comparison of the binary black hole (BBH) signal waveform reconstructed by two independent and complementary approaches used in LIGO and Virgo source inference: a template-based analysis, and a morphology-independent analysis. We apply the two approaches to real events and to two sets of simulated observations made by adding simulated BBH signals to LIGO and Virgo detector noise. The first set is representative of the 10 BBH events in the first Gravitational Wave Transient Catalog (GWTC-1). The second set is constructed from a population of BBH systems with total mass a"},"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":"2003.09456","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-03-20T18:49:57Z","cross_cats_sorted":[],"title_canon_sha256":"f684cc2021557f04fb00d6324b482d93cbbb8625356909b40f55c4e7ffca2237","abstract_canon_sha256":"4e846d93c8a244459960305c97abd031e249cc34c06e6485285d5841d326f310"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:37:07.644294Z","signature_b64":"BBkPXzTLuc/prY5ahgYTaJN5FVrCyQm5V15DqX5Y/29avZ/00TJ0J3Hjunwr4AGNltD+e+QdyC7AzpEwNNp0Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34d5c53fd3db3f3a5c11aa89f0810dc257fd267a1715b2f1b4e6d73e666c7543","last_reissued_at":"2026-07-05T01:37:07.643821Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:37:07.643821Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Reconstructing gravitational wave signals from binary black hole mergers with minimal assumptions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"James A. Clark, Katerina Chatziioannou, Laura Cadonati, Margaret Millhouse, Neil Cornish, Sudarshan Ghonge, Tyson Littenberg","submitted_at":"2020-03-20T18:49:57Z","abstract_excerpt":"We present a systematic comparison of the binary black hole (BBH) signal waveform reconstructed by two independent and complementary approaches used in LIGO and Virgo source inference: a template-based analysis, and a morphology-independent analysis. We apply the two approaches to real events and to two sets of simulated observations made by adding simulated BBH signals to LIGO and Virgo detector noise. The first set is representative of the 10 BBH events in the first Gravitational Wave Transient Catalog (GWTC-1). The second set is constructed from a population of BBH systems with total mass a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.09456","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/2003.09456/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":"2003.09456","created_at":"2026-07-05T01:37:07.643877+00:00"},{"alias_kind":"arxiv_version","alias_value":"2003.09456v2","created_at":"2026-07-05T01:37:07.643877+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.09456","created_at":"2026-07-05T01:37:07.643877+00:00"},{"alias_kind":"pith_short_12","alias_value":"GTK4KP6T3M7T","created_at":"2026-07-05T01:37:07.643877+00:00"},{"alias_kind":"pith_short_16","alias_value":"GTK4KP6T3M7TUXAR","created_at":"2026-07-05T01:37:07.643877+00:00"},{"alias_kind":"pith_short_8","alias_value":"GTK4KP6T","created_at":"2026-07-05T01:37:07.643877+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2509.08054","citing_title":"GW250114: testing Hawking's area law and the Kerr nature of black holes","ref_index":62,"is_internal_anchor":false},{"citing_arxiv_id":"2010.14527","citing_title":"GWTC-2: Compact Binary Coalescences Observed by LIGO and Virgo During the First Half of the Third Observing Run","ref_index":282,"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":115,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GTK4KP6T3M7TUXARVKE7BAINYJ","json":"https://pith.science/pith/GTK4KP6T3M7TUXARVKE7BAINYJ.json","graph_json":"https://pith.science/api/pith-number/GTK4KP6T3M7TUXARVKE7BAINYJ/graph.json","events_json":"https://pith.science/api/pith-number/GTK4KP6T3M7TUXARVKE7BAINYJ/events.json","paper":"https://pith.science/paper/GTK4KP6T"},"agent_actions":{"view_html":"https://pith.science/pith/GTK4KP6T3M7TUXARVKE7BAINYJ","download_json":"https://pith.science/pith/GTK4KP6T3M7TUXARVKE7BAINYJ.json","view_paper":"https://pith.science/paper/GTK4KP6T","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2003.09456&json=true","fetch_graph":"https://pith.science/api/pith-number/GTK4KP6T3M7TUXARVKE7BAINYJ/graph.json","fetch_events":"https://pith.science/api/pith-number/GTK4KP6T3M7TUXARVKE7BAINYJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GTK4KP6T3M7TUXARVKE7BAINYJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GTK4KP6T3M7TUXARVKE7BAINYJ/action/storage_attestation","attest_author":"https://pith.science/pith/GTK4KP6T3M7TUXARVKE7BAINYJ/action/author_attestation","sign_citation":"https://pith.science/pith/GTK4KP6T3M7TUXARVKE7BAINYJ/action/citation_signature","submit_replication":"https://pith.science/pith/GTK4KP6T3M7TUXARVKE7BAINYJ/action/replication_record"}},"created_at":"2026-07-05T01:37:07.643877+00:00","updated_at":"2026-07-05T01:37:07.643877+00:00"}