{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:X3OXSA3PSAZMSDJ2AFBZDSKW2U","short_pith_number":"pith:X3OXSA3P","schema_version":"1.0","canonical_sha256":"bedd79036f9032c90d3a014391c956d501c5f8accfc1dcffca9d3a02359b35b8","source":{"kind":"arxiv","id":"2002.02975","version":2},"attestation_state":"computed","paper":{"title":"Gravitational-wave captures by intermediate-mass black holes in galactic nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Abraham Loeb, Frederic A. Rasio, Giacomo Fragione, Kyle Kremer","submitted_at":"2020-02-07T19:00:04Z","abstract_excerpt":"Intermediate-mass black holes (IMBHs) have not been detected beyond any reasonable doubt, despite their potential role as massive seeds for quasars and sources of tidal disruption events, ultra-luminous X-ray sources, dwarf galaxy feedback, and hypervelocity stars. Gravitational wave (GW) observations can help to find and confirm the existence of IMBHs. Current and upcoming detectors, such as LIGO, Virgo, KAGRA, LISA, ET, and DECIGO promise to identify the full range from stellar-mass to supermassive black holes (SMBHs). In this paper, we address the question of whether IMBHs can produce GWs i"},"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":"2002.02975","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-02-07T19:00:04Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"607e666bf49a81b367ef000c5887447f16b48603ab412688e7c209a9026354b7","abstract_canon_sha256":"115d071fe97cbb33dd192871ab278d4e304f3d834430d20fcec0cf50a60b4396"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:16:44.745322Z","signature_b64":"Uer73Qj0jKVuLKLkOLp42JFqCXaEEUoVBdRT/X93B4w2/mxdbG3xW6qUL83A6Li5okrzJA62+3I34llXWUsxCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bedd79036f9032c90d3a014391c956d501c5f8accfc1dcffca9d3a02359b35b8","last_reissued_at":"2026-07-05T01:16:44.744880Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:16:44.744880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gravitational-wave captures by intermediate-mass black holes in galactic nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Abraham Loeb, Frederic A. Rasio, Giacomo Fragione, Kyle Kremer","submitted_at":"2020-02-07T19:00:04Z","abstract_excerpt":"Intermediate-mass black holes (IMBHs) have not been detected beyond any reasonable doubt, despite their potential role as massive seeds for quasars and sources of tidal disruption events, ultra-luminous X-ray sources, dwarf galaxy feedback, and hypervelocity stars. Gravitational wave (GW) observations can help to find and confirm the existence of IMBHs. Current and upcoming detectors, such as LIGO, Virgo, KAGRA, LISA, ET, and DECIGO promise to identify the full range from stellar-mass to supermassive black holes (SMBHs). In this paper, we address the question of whether IMBHs can produce GWs i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.02975","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/2002.02975/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":"2002.02975","created_at":"2026-07-05T01:16:44.744937+00:00"},{"alias_kind":"arxiv_version","alias_value":"2002.02975v2","created_at":"2026-07-05T01:16:44.744937+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.02975","created_at":"2026-07-05T01:16:44.744937+00:00"},{"alias_kind":"pith_short_12","alias_value":"X3OXSA3PSAZM","created_at":"2026-07-05T01:16:44.744937+00:00"},{"alias_kind":"pith_short_16","alias_value":"X3OXSA3PSAZMSDJ2","created_at":"2026-07-05T01:16:44.744937+00:00"},{"alias_kind":"pith_short_8","alias_value":"X3OXSA3P","created_at":"2026-07-05T01:16:44.744937+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1908.11375","citing_title":"The Missing Link in Gravitational-Wave Astronomy: Discoveries waiting in the decihertz range","ref_index":234,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/X3OXSA3PSAZMSDJ2AFBZDSKW2U","json":"https://pith.science/pith/X3OXSA3PSAZMSDJ2AFBZDSKW2U.json","graph_json":"https://pith.science/api/pith-number/X3OXSA3PSAZMSDJ2AFBZDSKW2U/graph.json","events_json":"https://pith.science/api/pith-number/X3OXSA3PSAZMSDJ2AFBZDSKW2U/events.json","paper":"https://pith.science/paper/X3OXSA3P"},"agent_actions":{"view_html":"https://pith.science/pith/X3OXSA3PSAZMSDJ2AFBZDSKW2U","download_json":"https://pith.science/pith/X3OXSA3PSAZMSDJ2AFBZDSKW2U.json","view_paper":"https://pith.science/paper/X3OXSA3P","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2002.02975&json=true","fetch_graph":"https://pith.science/api/pith-number/X3OXSA3PSAZMSDJ2AFBZDSKW2U/graph.json","fetch_events":"https://pith.science/api/pith-number/X3OXSA3PSAZMSDJ2AFBZDSKW2U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X3OXSA3PSAZMSDJ2AFBZDSKW2U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X3OXSA3PSAZMSDJ2AFBZDSKW2U/action/storage_attestation","attest_author":"https://pith.science/pith/X3OXSA3PSAZMSDJ2AFBZDSKW2U/action/author_attestation","sign_citation":"https://pith.science/pith/X3OXSA3PSAZMSDJ2AFBZDSKW2U/action/citation_signature","submit_replication":"https://pith.science/pith/X3OXSA3PSAZMSDJ2AFBZDSKW2U/action/replication_record"}},"created_at":"2026-07-05T01:16:44.744937+00:00","updated_at":"2026-07-05T01:16:44.744937+00:00"}