{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:7TZQD5D7UURWLP43KDYF34O2UB","short_pith_number":"pith:7TZQD5D7","schema_version":"1.0","canonical_sha256":"fcf301f47fa52365bf9b50f05df1daa065cbbab0ca3608dddec4d0fd65e557f7","source":{"kind":"arxiv","id":"2110.01879","version":2},"attestation_state":"computed","paper":{"title":"Salient features of the optimised PyCBC IMBH search","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Archana Pai, C. McIsaac, G. S. Cabourn Davies, I. W. Harry, Koustav Chandra, K. Soni, T. Dent, V. Villa-Ortega","submitted_at":"2021-10-05T08:47:21Z","abstract_excerpt":"Matched-filter based PyCBC searches have successfully detected $\\sim \\mathcal{O}(50)$ compact binary merger signals in the LIGO-Virgo data. While most PyCBC searches have been designed to detect stellar-mass binaries, we present here a new search that is optimised to detect short-duration \\ac{GW} signals emitted by intermediate-mass black hole mergers. When applied to the first half of the third observation run data, the optimised search re-identified the \\ac{IMBH} binary event, GW190521, with a false alarm rate of 1 in 727 yrs, significantly lower than the previous PyCBC search result of 1 in"},"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":"2110.01879","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2021-10-05T08:47:21Z","cross_cats_sorted":[],"title_canon_sha256":"d79a5f159f00252ff8b267af6cf7961299e09358a6e3f552c211b1e48939e74f","abstract_canon_sha256":"9a34e5db7248ea1480cace2f54f75ca295dcd6187fdeb07a237e02b004e9a608"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:20:24.324737Z","signature_b64":"AMOqxXG+7DfVKOr5/42xKerPuolJvC/hZnq1gR3UTWwbwwRGcJ17GEGwecWRIRIIPjcvn+tf7IrOfXVkEE+yCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fcf301f47fa52365bf9b50f05df1daa065cbbab0ca3608dddec4d0fd65e557f7","last_reissued_at":"2026-07-05T03:20:24.324217Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:20:24.324217Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Salient features of the optimised PyCBC IMBH search","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Archana Pai, C. McIsaac, G. S. Cabourn Davies, I. W. Harry, Koustav Chandra, K. Soni, T. Dent, V. Villa-Ortega","submitted_at":"2021-10-05T08:47:21Z","abstract_excerpt":"Matched-filter based PyCBC searches have successfully detected $\\sim \\mathcal{O}(50)$ compact binary merger signals in the LIGO-Virgo data. While most PyCBC searches have been designed to detect stellar-mass binaries, we present here a new search that is optimised to detect short-duration \\ac{GW} signals emitted by intermediate-mass black hole mergers. When applied to the first half of the third observation run data, the optimised search re-identified the \\ac{IMBH} binary event, GW190521, with a false alarm rate of 1 in 727 yrs, significantly lower than the previous PyCBC search result of 1 in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.01879","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/2110.01879/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":"2110.01879","created_at":"2026-07-05T03:20:24.324270+00:00"},{"alias_kind":"arxiv_version","alias_value":"2110.01879v2","created_at":"2026-07-05T03:20:24.324270+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.01879","created_at":"2026-07-05T03:20:24.324270+00:00"},{"alias_kind":"pith_short_12","alias_value":"7TZQD5D7UURW","created_at":"2026-07-05T03:20:24.324270+00:00"},{"alias_kind":"pith_short_16","alias_value":"7TZQD5D7UURWLP43","created_at":"2026-07-05T03:20:24.324270+00:00"},{"alias_kind":"pith_short_8","alias_value":"7TZQD5D7","created_at":"2026-07-05T03:20:24.324270+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/7TZQD5D7UURWLP43KDYF34O2UB","json":"https://pith.science/pith/7TZQD5D7UURWLP43KDYF34O2UB.json","graph_json":"https://pith.science/api/pith-number/7TZQD5D7UURWLP43KDYF34O2UB/graph.json","events_json":"https://pith.science/api/pith-number/7TZQD5D7UURWLP43KDYF34O2UB/events.json","paper":"https://pith.science/paper/7TZQD5D7"},"agent_actions":{"view_html":"https://pith.science/pith/7TZQD5D7UURWLP43KDYF34O2UB","download_json":"https://pith.science/pith/7TZQD5D7UURWLP43KDYF34O2UB.json","view_paper":"https://pith.science/paper/7TZQD5D7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2110.01879&json=true","fetch_graph":"https://pith.science/api/pith-number/7TZQD5D7UURWLP43KDYF34O2UB/graph.json","fetch_events":"https://pith.science/api/pith-number/7TZQD5D7UURWLP43KDYF34O2UB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7TZQD5D7UURWLP43KDYF34O2UB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7TZQD5D7UURWLP43KDYF34O2UB/action/storage_attestation","attest_author":"https://pith.science/pith/7TZQD5D7UURWLP43KDYF34O2UB/action/author_attestation","sign_citation":"https://pith.science/pith/7TZQD5D7UURWLP43KDYF34O2UB/action/citation_signature","submit_replication":"https://pith.science/pith/7TZQD5D7UURWLP43KDYF34O2UB/action/replication_record"}},"created_at":"2026-07-05T03:20:24.324270+00:00","updated_at":"2026-07-05T03:20:24.324270+00:00"}