{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:TOIBFOAK643Y4ZTLVEEZ3LTIID","short_pith_number":"pith:TOIBFOAK","schema_version":"1.0","canonical_sha256":"9b9012b80af7378e666ba9099dae6840dec9bd2b5ba6c8f4ff38fbe1e1472a90","source":{"kind":"arxiv","id":"2601.03257","version":2},"attestation_state":"computed","paper":{"title":"Heavy Black-Holes Also Matter in Standard Siren Cosmology","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Alexander Papadopoulos, Gr\\'egoire Pierra","submitted_at":"2026-01-06T18:59:59Z","abstract_excerpt":"With the release of the Gravitational-Wave Transient Catalog GWTC-4.0 by the LIGO-Virgo-KAGRA (LVK) collaboration, 218 candidate detections of gravitational waves (GWs) from compact binary coalescences (CBCs) have been reported. This milestone represents a major advancement for GW cosmology, as many methods, particularly those employing the spectral siren approach, critically depend on the number of available sources. We investigate the impact of a novel parametric model describing the full population mass spectrum of CBCs on the estimation of the Hubble constant. This model is designed to tes"},"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":"2601.03257","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-01-06T18:59:59Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"cc2ec406aa01d00ab01d6da8207cfc66aec8ec6aa40d1b62cf69aaf30a6f6b4a","abstract_canon_sha256":"3b737fe737ad8192860d1c7624ddf82727021608441472b9d0be2943f71ecfc6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-08T01:05:05.847642Z","signature_b64":"wrOM3AoK55iDKlwGAfsW4YLD8ODEmV90XrdYmSoYzw/AWd/DwGL2y942goC0xeNfpnQkAYIK31HUFH1Vk+AhCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b9012b80af7378e666ba9099dae6840dec9bd2b5ba6c8f4ff38fbe1e1472a90","last_reissued_at":"2026-06-08T01:05:05.846670Z","signature_status":"signed_v1","first_computed_at":"2026-06-08T01:05:05.846670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Heavy Black-Holes Also Matter in Standard Siren Cosmology","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Alexander Papadopoulos, Gr\\'egoire Pierra","submitted_at":"2026-01-06T18:59:59Z","abstract_excerpt":"With the release of the Gravitational-Wave Transient Catalog GWTC-4.0 by the LIGO-Virgo-KAGRA (LVK) collaboration, 218 candidate detections of gravitational waves (GWs) from compact binary coalescences (CBCs) have been reported. This milestone represents a major advancement for GW cosmology, as many methods, particularly those employing the spectral siren approach, critically depend on the number of available sources. We investigate the impact of a novel parametric model describing the full population mass spectrum of CBCs on the estimation of the Hubble constant. This model is designed to tes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.03257","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/2601.03257/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":"2601.03257","created_at":"2026-06-08T01:05:05.846796+00:00"},{"alias_kind":"arxiv_version","alias_value":"2601.03257v2","created_at":"2026-06-08T01:05:05.846796+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.03257","created_at":"2026-06-08T01:05:05.846796+00:00"},{"alias_kind":"pith_short_12","alias_value":"TOIBFOAK643Y","created_at":"2026-06-08T01:05:05.846796+00:00"},{"alias_kind":"pith_short_16","alias_value":"TOIBFOAK643Y4ZTL","created_at":"2026-06-08T01:05:05.846796+00:00"},{"alias_kind":"pith_short_8","alias_value":"TOIBFOAK","created_at":"2026-06-08T01:05:05.846796+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":7,"internal_anchor_count":7,"sample":[{"citing_arxiv_id":"2605.23538","citing_title":"Scalable Dark Siren Cosmology with gwcosmo: GPU Acceleration, Validation and Systematics","ref_index":11,"is_internal_anchor":true},{"citing_arxiv_id":"2605.20112","citing_title":"Gravitational-wave constraints on $H_0$ are robust to (putative) redshift evolution in the binary black hole mass spectrum at current sensitivity","ref_index":25,"is_internal_anchor":true},{"citing_arxiv_id":"2602.11282","citing_title":"Measurement prospects for the pair-instability mass cutoff with gravitational waves","ref_index":101,"is_internal_anchor":true},{"citing_arxiv_id":"2605.12606","citing_title":"Radio sirens: inferring $H_0$ with binary black holes and neutral hydrogen in the era of the Einstein Telescope and the SKA Observatory","ref_index":156,"is_internal_anchor":true},{"citing_arxiv_id":"2605.11474","citing_title":"Secondary-Mass Features improve Spectral-Siren $H_0$ Constraints","ref_index":64,"is_internal_anchor":true},{"citing_arxiv_id":"2604.14290","citing_title":"Emergent structure in the binary black hole mass distribution and implications for population-based cosmology","ref_index":28,"is_internal_anchor":true},{"citing_arxiv_id":"2604.07456","citing_title":"Second-Generation Mass Peak in the Gravitational-Wave Population as a Probe of Globular Clusters","ref_index":68,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TOIBFOAK643Y4ZTLVEEZ3LTIID","json":"https://pith.science/pith/TOIBFOAK643Y4ZTLVEEZ3LTIID.json","graph_json":"https://pith.science/api/pith-number/TOIBFOAK643Y4ZTLVEEZ3LTIID/graph.json","events_json":"https://pith.science/api/pith-number/TOIBFOAK643Y4ZTLVEEZ3LTIID/events.json","paper":"https://pith.science/paper/TOIBFOAK"},"agent_actions":{"view_html":"https://pith.science/pith/TOIBFOAK643Y4ZTLVEEZ3LTIID","download_json":"https://pith.science/pith/TOIBFOAK643Y4ZTLVEEZ3LTIID.json","view_paper":"https://pith.science/paper/TOIBFOAK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2601.03257&json=true","fetch_graph":"https://pith.science/api/pith-number/TOIBFOAK643Y4ZTLVEEZ3LTIID/graph.json","fetch_events":"https://pith.science/api/pith-number/TOIBFOAK643Y4ZTLVEEZ3LTIID/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TOIBFOAK643Y4ZTLVEEZ3LTIID/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TOIBFOAK643Y4ZTLVEEZ3LTIID/action/storage_attestation","attest_author":"https://pith.science/pith/TOIBFOAK643Y4ZTLVEEZ3LTIID/action/author_attestation","sign_citation":"https://pith.science/pith/TOIBFOAK643Y4ZTLVEEZ3LTIID/action/citation_signature","submit_replication":"https://pith.science/pith/TOIBFOAK643Y4ZTLVEEZ3LTIID/action/replication_record"}},"created_at":"2026-06-08T01:05:05.846796+00:00","updated_at":"2026-06-08T01:05:05.846796+00:00"}