{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:NPIMRBKJGL74EXSRICWQEL3SSC","short_pith_number":"pith:NPIMRBKJ","schema_version":"1.0","canonical_sha256":"6bd0c8854932ffc25e5140ad022f729080d5b3c52851e4b92470110f2b70bbaf","source":{"kind":"arxiv","id":"2307.15547","version":2},"attestation_state":"computed","paper":{"title":"Broken blue-tilted inflationary gravitational waves: a joint analysis of NANOGrav 15-year and BICEP/Keck 2018 data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Gen Ye, Jun-Qian Jiang, Yong Cai, Yun-Song Piao","submitted_at":"2023-07-28T13:24:18Z","abstract_excerpt":"Recently, the pulsar timing array (PTA) collaborations have reported the evidence for a stochastic gravitational wave background (SGWB) at nano-Hertz band. The spectrum of inflationary gravitational wave (IGW) is unknown, which might exhibit different power law at different frequency-bands, thus if the PTA signal is primordial, it will be significant to explore the underlying implications of current PTA and CMB data on IGW. In this paper, we perform a joint Markov Chain Monte Carlo analysis for a broken power-law spectrum of IGW with the NANOGrav 15-year and BICEP/Keck 2018 data. It is found t"},"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":"2307.15547","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-07-28T13:24:18Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"35f12ff6411a0f377170621c8cf6956d920f3230eb5185bb85ca4679cacfe711","abstract_canon_sha256":"0b641ae8eb73c5b53203b65125da948670ba7f5413e13c30331c53efb22f80b5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:14:39.264701Z","signature_b64":"2C2Op8M5XKdNxVnSeZssHep+c3ADLFe2V3JfWE7awdUplyQ2TFf86ZRsDZrxj601FWFpW6e15S5m9cz2B2EGBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6bd0c8854932ffc25e5140ad022f729080d5b3c52851e4b92470110f2b70bbaf","last_reissued_at":"2026-07-05T08:14:39.264195Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:14:39.264195Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Broken blue-tilted inflationary gravitational waves: a joint analysis of NANOGrav 15-year and BICEP/Keck 2018 data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Gen Ye, Jun-Qian Jiang, Yong Cai, Yun-Song Piao","submitted_at":"2023-07-28T13:24:18Z","abstract_excerpt":"Recently, the pulsar timing array (PTA) collaborations have reported the evidence for a stochastic gravitational wave background (SGWB) at nano-Hertz band. The spectrum of inflationary gravitational wave (IGW) is unknown, which might exhibit different power law at different frequency-bands, thus if the PTA signal is primordial, it will be significant to explore the underlying implications of current PTA and CMB data on IGW. In this paper, we perform a joint Markov Chain Monte Carlo analysis for a broken power-law spectrum of IGW with the NANOGrav 15-year and BICEP/Keck 2018 data. It is found t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.15547","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/2307.15547/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":"2307.15547","created_at":"2026-07-05T08:14:39.264255+00:00"},{"alias_kind":"arxiv_version","alias_value":"2307.15547v2","created_at":"2026-07-05T08:14:39.264255+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.15547","created_at":"2026-07-05T08:14:39.264255+00:00"},{"alias_kind":"pith_short_12","alias_value":"NPIMRBKJGL74","created_at":"2026-07-05T08:14:39.264255+00:00"},{"alias_kind":"pith_short_16","alias_value":"NPIMRBKJGL74EXSR","created_at":"2026-07-05T08:14:39.264255+00:00"},{"alias_kind":"pith_short_8","alias_value":"NPIMRBKJ","created_at":"2026-07-05T08:14:39.264255+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.20063","citing_title":"Purely quadratic non-Gaussianity from tachyonic instability: Primordial black holes and scalar-induced gravitational waves","ref_index":35,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/NPIMRBKJGL74EXSRICWQEL3SSC","json":"https://pith.science/pith/NPIMRBKJGL74EXSRICWQEL3SSC.json","graph_json":"https://pith.science/api/pith-number/NPIMRBKJGL74EXSRICWQEL3SSC/graph.json","events_json":"https://pith.science/api/pith-number/NPIMRBKJGL74EXSRICWQEL3SSC/events.json","paper":"https://pith.science/paper/NPIMRBKJ"},"agent_actions":{"view_html":"https://pith.science/pith/NPIMRBKJGL74EXSRICWQEL3SSC","download_json":"https://pith.science/pith/NPIMRBKJGL74EXSRICWQEL3SSC.json","view_paper":"https://pith.science/paper/NPIMRBKJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2307.15547&json=true","fetch_graph":"https://pith.science/api/pith-number/NPIMRBKJGL74EXSRICWQEL3SSC/graph.json","fetch_events":"https://pith.science/api/pith-number/NPIMRBKJGL74EXSRICWQEL3SSC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NPIMRBKJGL74EXSRICWQEL3SSC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NPIMRBKJGL74EXSRICWQEL3SSC/action/storage_attestation","attest_author":"https://pith.science/pith/NPIMRBKJGL74EXSRICWQEL3SSC/action/author_attestation","sign_citation":"https://pith.science/pith/NPIMRBKJGL74EXSRICWQEL3SSC/action/citation_signature","submit_replication":"https://pith.science/pith/NPIMRBKJGL74EXSRICWQEL3SSC/action/replication_record"}},"created_at":"2026-07-05T08:14:39.264255+00:00","updated_at":"2026-07-05T08:14:39.264255+00:00"}