{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:DHEKPISZFKVLKTIONEGETMC3LF","short_pith_number":"pith:DHEKPISZ","schema_version":"1.0","canonical_sha256":"19c8a7a2592aaab54d0e690c49b05b5942dee78495ba38b44f9e6c6517b964af","source":{"kind":"arxiv","id":"2406.05125","version":2},"attestation_state":"computed","paper":{"title":"Eccentricity effects on the supermassive black hole gravitational wave background","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"Hardi Veerm\\\"ae, Juan Urrutia, Juhan Raidal, Ville Vaskonen","submitted_at":"2024-06-07T17:55:08Z","abstract_excerpt":"We studied how eccentricity affects the gravitational wave (GW) spectrum from supermassive black hole (SMBH) binaries. We developed a fast and accurate semi-analytic method for computing the GW spectra, the distribution for the spectral fluctuations and the correlations between different frequencies. As GW emission circularizes binaries, the suppression of the signal strength due to eccentricity is relevant for signals from wider binaries emitting at lower frequencies. Such a feature is present in the signal observed at pulsar timing arrays. We found that when orbital decay of the SMBH binarie"},"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":"2406.05125","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-06-07T17:55:08Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"5084e8c80db952cb241ad9f041e77962289a6a996004a5bb9fe1fa34c36560ac","abstract_canon_sha256":"f5a95edf7005a9556368a665d22e110a3ed5976f142a9547b0060e2ab578a3ae"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:48:33.327308Z","signature_b64":"qgG+1Mqw05DpqG59hS0xpNTiI94uAwmgFHDV822TPAd+iboaaFij9ynyB1qfgRx8cjJdGKtDF8XuLWoLY/ZlCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19c8a7a2592aaab54d0e690c49b05b5942dee78495ba38b44f9e6c6517b964af","last_reissued_at":"2026-07-05T09:48:33.326821Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:48:33.326821Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Eccentricity effects on the supermassive black hole gravitational wave background","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"Hardi Veerm\\\"ae, Juan Urrutia, Juhan Raidal, Ville Vaskonen","submitted_at":"2024-06-07T17:55:08Z","abstract_excerpt":"We studied how eccentricity affects the gravitational wave (GW) spectrum from supermassive black hole (SMBH) binaries. We developed a fast and accurate semi-analytic method for computing the GW spectra, the distribution for the spectral fluctuations and the correlations between different frequencies. As GW emission circularizes binaries, the suppression of the signal strength due to eccentricity is relevant for signals from wider binaries emitting at lower frequencies. Such a feature is present in the signal observed at pulsar timing arrays. We found that when orbital decay of the SMBH binarie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.05125","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/2406.05125/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":"2406.05125","created_at":"2026-07-05T09:48:33.326883+00:00"},{"alias_kind":"arxiv_version","alias_value":"2406.05125v2","created_at":"2026-07-05T09:48:33.326883+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.05125","created_at":"2026-07-05T09:48:33.326883+00:00"},{"alias_kind":"pith_short_12","alias_value":"DHEKPISZFKVL","created_at":"2026-07-05T09:48:33.326883+00:00"},{"alias_kind":"pith_short_16","alias_value":"DHEKPISZFKVLKTIO","created_at":"2026-07-05T09:48:33.326883+00:00"},{"alias_kind":"pith_short_8","alias_value":"DHEKPISZ","created_at":"2026-07-05T09:48:33.326883+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2510.01317","citing_title":"Expectations for the first supermassive black-hole binary resolved by PTAs I: Model efficacy","ref_index":90,"is_internal_anchor":false},{"citing_arxiv_id":"2604.20975","citing_title":"Probing Supermassive Black Hole Mergers with Pulsar Timing Arrays","ref_index":60,"is_internal_anchor":false},{"citing_arxiv_id":"2604.19701","citing_title":"A practical theorem on gravitational-wave background statistics","ref_index":30,"is_internal_anchor":false},{"citing_arxiv_id":"2604.08506","citing_title":"The Heavy Tailed Non-Gaussianity of the Supermassive Black Hole Gravitational Wave Background","ref_index":45,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DHEKPISZFKVLKTIONEGETMC3LF","json":"https://pith.science/pith/DHEKPISZFKVLKTIONEGETMC3LF.json","graph_json":"https://pith.science/api/pith-number/DHEKPISZFKVLKTIONEGETMC3LF/graph.json","events_json":"https://pith.science/api/pith-number/DHEKPISZFKVLKTIONEGETMC3LF/events.json","paper":"https://pith.science/paper/DHEKPISZ"},"agent_actions":{"view_html":"https://pith.science/pith/DHEKPISZFKVLKTIONEGETMC3LF","download_json":"https://pith.science/pith/DHEKPISZFKVLKTIONEGETMC3LF.json","view_paper":"https://pith.science/paper/DHEKPISZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2406.05125&json=true","fetch_graph":"https://pith.science/api/pith-number/DHEKPISZFKVLKTIONEGETMC3LF/graph.json","fetch_events":"https://pith.science/api/pith-number/DHEKPISZFKVLKTIONEGETMC3LF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DHEKPISZFKVLKTIONEGETMC3LF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DHEKPISZFKVLKTIONEGETMC3LF/action/storage_attestation","attest_author":"https://pith.science/pith/DHEKPISZFKVLKTIONEGETMC3LF/action/author_attestation","sign_citation":"https://pith.science/pith/DHEKPISZFKVLKTIONEGETMC3LF/action/citation_signature","submit_replication":"https://pith.science/pith/DHEKPISZFKVLKTIONEGETMC3LF/action/replication_record"}},"created_at":"2026-07-05T09:48:33.326883+00:00","updated_at":"2026-07-05T09:48:33.326883+00:00"}