{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:7SRBSR54ZYJPFW2K2NF4FVSHVR","short_pith_number":"pith:7SRBSR54","schema_version":"1.0","canonical_sha256":"fca21947bcce12f2db4ad34bc2d647ac51a4a2637a4c5391e5a5ae902ce647de","source":{"kind":"arxiv","id":"2307.01248","version":1},"attestation_state":"computed","paper":{"title":"Gravitational Waves from Stochastic Scalar Fluctuations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Amara McCune, Hanwen Tai, Lian-Tao Wang, Reza Ebadi, Soubhik Kumar","submitted_at":"2023-07-03T18:00:00Z","abstract_excerpt":"We present a novel mechanism for gravitational wave generation in the early Universe. Light spectator scalar fields during inflation can acquire a blue-tilted power spectrum due to stochastic effects. We show that this effect can lead to large curvature perturbations at small scales (induced by the spectator field fluctuations) while maintaining the observed, slightly red-tilted curvature perturbations at large cosmological scales (induced by the inflaton fluctuations). Along with other observational signatures, such as enhanced dark matter substructure, large curvature perturbations can induc"},"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":"2307.01248","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-07-03T18:00:00Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"b8ef30a8c8761c0733649a7bff3143eed2afcb334ea80341d343a2e07010d926","abstract_canon_sha256":"13209be3d837ca4c187504bf5f5e1260124a58efd829888ccb795a8fd129af55"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:27:53.657524Z","signature_b64":"YsnYjhiwTkZ6Vzl36fuOqpvf1+lGap5A/RWgVeH9jtDSXm/527iIMLM+7euouGECzj3hG5vu5kkYQA7vHiXXBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fca21947bcce12f2db4ad34bc2d647ac51a4a2637a4c5391e5a5ae902ce647de","last_reissued_at":"2026-07-05T06:27:53.657106Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:27:53.657106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gravitational Waves from Stochastic Scalar Fluctuations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Amara McCune, Hanwen Tai, Lian-Tao Wang, Reza Ebadi, Soubhik Kumar","submitted_at":"2023-07-03T18:00:00Z","abstract_excerpt":"We present a novel mechanism for gravitational wave generation in the early Universe. Light spectator scalar fields during inflation can acquire a blue-tilted power spectrum due to stochastic effects. We show that this effect can lead to large curvature perturbations at small scales (induced by the spectator field fluctuations) while maintaining the observed, slightly red-tilted curvature perturbations at large cosmological scales (induced by the inflaton fluctuations). Along with other observational signatures, such as enhanced dark matter substructure, large curvature perturbations can induc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.01248","kind":"arxiv","version":1},"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/2307.01248/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":"2307.01248","created_at":"2026-07-05T06:27:53.657171+00:00"},{"alias_kind":"arxiv_version","alias_value":"2307.01248v1","created_at":"2026-07-05T06:27:53.657171+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.01248","created_at":"2026-07-05T06:27:53.657171+00:00"},{"alias_kind":"pith_short_12","alias_value":"7SRBSR54ZYJP","created_at":"2026-07-05T06:27:53.657171+00:00"},{"alias_kind":"pith_short_16","alias_value":"7SRBSR54ZYJPFW2K","created_at":"2026-07-05T06:27:53.657171+00:00"},{"alias_kind":"pith_short_8","alias_value":"7SRBSR54","created_at":"2026-07-05T06:27:53.657171+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":6,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2505.16820","citing_title":"Isotropy, anisotropies and non-Gaussianity in the scalar-induced gravitational-wave background: diagrammatic approach for primordial non-Gaussianity up to arbitrary order","ref_index":260,"is_internal_anchor":false},{"citing_arxiv_id":"2507.08737","citing_title":"Quantum production of gravitational waves after inflation","ref_index":49,"is_internal_anchor":false},{"citing_arxiv_id":"2510.05967","citing_title":"Stochastic Gravitational Waves from Modulated Reheating","ref_index":57,"is_internal_anchor":false},{"citing_arxiv_id":"2604.05078","citing_title":"Gravitational Waves from Matter Perturbations of Spectator Scalar Fields","ref_index":26,"is_internal_anchor":false},{"citing_arxiv_id":"2604.18030","citing_title":"Yukawa scalar self energy at two loop and $\\langle \\phi^2 \\rangle$ in the inflationary de Sitter spacetime","ref_index":59,"is_internal_anchor":false},{"citing_arxiv_id":"2604.20063","citing_title":"Purely Quadratic Non-Gaussianity from Tachyonic Instability: Primordial Black Holes and Scalar-Induced Gravitational Waves","ref_index":16,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7SRBSR54ZYJPFW2K2NF4FVSHVR","json":"https://pith.science/pith/7SRBSR54ZYJPFW2K2NF4FVSHVR.json","graph_json":"https://pith.science/api/pith-number/7SRBSR54ZYJPFW2K2NF4FVSHVR/graph.json","events_json":"https://pith.science/api/pith-number/7SRBSR54ZYJPFW2K2NF4FVSHVR/events.json","paper":"https://pith.science/paper/7SRBSR54"},"agent_actions":{"view_html":"https://pith.science/pith/7SRBSR54ZYJPFW2K2NF4FVSHVR","download_json":"https://pith.science/pith/7SRBSR54ZYJPFW2K2NF4FVSHVR.json","view_paper":"https://pith.science/paper/7SRBSR54","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2307.01248&json=true","fetch_graph":"https://pith.science/api/pith-number/7SRBSR54ZYJPFW2K2NF4FVSHVR/graph.json","fetch_events":"https://pith.science/api/pith-number/7SRBSR54ZYJPFW2K2NF4FVSHVR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7SRBSR54ZYJPFW2K2NF4FVSHVR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7SRBSR54ZYJPFW2K2NF4FVSHVR/action/storage_attestation","attest_author":"https://pith.science/pith/7SRBSR54ZYJPFW2K2NF4FVSHVR/action/author_attestation","sign_citation":"https://pith.science/pith/7SRBSR54ZYJPFW2K2NF4FVSHVR/action/citation_signature","submit_replication":"https://pith.science/pith/7SRBSR54ZYJPFW2K2NF4FVSHVR/action/replication_record"}},"created_at":"2026-07-05T06:27:53.657171+00:00","updated_at":"2026-07-05T06:27:53.657171+00:00"}