{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:ELX4CPBLPPMIDZS2AL6TOCMEBT","short_pith_number":"pith:ELX4CPBL","schema_version":"1.0","canonical_sha256":"22efc13c2b7bd881e65a02fd3709840cd1c3254362a5b7d6d377e8ecba35a3a0","source":{"kind":"arxiv","id":"1201.4848","version":3},"attestation_state":"computed","paper":{"title":"On the importance of heavy fields during inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Gonzalo A. Palma, Sebastian Cespedes, Vicente Atal","submitted_at":"2012-01-23T20:25:59Z","abstract_excerpt":"We study the dynamics of two-field models of inflation characterized by a hierarchy of masses between curvature and isocurvature modes. When the hierarchy is large, a low energy effective field theory (EFT) exists in which only curvature modes participate in the dynamics of perturbations. In this EFT heavy fields continue to have a significant role in the low energy dynamics, as their interaction with curvature modes reduces their speed of sound whenever the multi-field trajectory is subject to a sharp turn in target space. Here we analyze under which general conditions this EFT remains a reli"},"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":"1201.4848","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2012-01-23T20:25:59Z","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-ph"],"title_canon_sha256":"36a399dd454aa0947f444a0f6dcb731af47800b41ea3246f10e3a93bf583ed5d","abstract_canon_sha256":"e275c4a7222f184d00b589fa5e33e2a1b2e720aeda6222b1ff1006cb1e95be74"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:43.201293Z","signature_b64":"BD0ukmss0NL4m+v5OA/sXR0bqr8FSb79sAHvjSFPUvMi0INnJV+ku8X2cPhgZrUBhpfNBnmLI099o9j7s71oDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22efc13c2b7bd881e65a02fd3709840cd1c3254362a5b7d6d377e8ecba35a3a0","last_reissued_at":"2026-05-18T01:58:43.200540Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:43.200540Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the importance of heavy fields during inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Gonzalo A. Palma, Sebastian Cespedes, Vicente Atal","submitted_at":"2012-01-23T20:25:59Z","abstract_excerpt":"We study the dynamics of two-field models of inflation characterized by a hierarchy of masses between curvature and isocurvature modes. When the hierarchy is large, a low energy effective field theory (EFT) exists in which only curvature modes participate in the dynamics of perturbations. In this EFT heavy fields continue to have a significant role in the low energy dynamics, as their interaction with curvature modes reduces their speed of sound whenever the multi-field trajectory is subject to a sharp turn in target space. Here we analyze under which general conditions this EFT remains a reli"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4848","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1201.4848","created_at":"2026-05-18T01:58:43.200657+00:00"},{"alias_kind":"arxiv_version","alias_value":"1201.4848v3","created_at":"2026-05-18T01:58:43.200657+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4848","created_at":"2026-05-18T01:58:43.200657+00:00"},{"alias_kind":"pith_short_12","alias_value":"ELX4CPBLPPMI","created_at":"2026-05-18T12:27:04.183437+00:00"},{"alias_kind":"pith_short_16","alias_value":"ELX4CPBLPPMIDZS2","created_at":"2026-05-18T12:27:04.183437+00:00"},{"alias_kind":"pith_short_8","alias_value":"ELX4CPBL","created_at":"2026-05-18T12:27:04.183437+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.26541","citing_title":"The End of the First Act: Spectral Running, Interacting Dark Radiation, and the Hubble Tension in Light of ACT DR6 Data","ref_index":114,"is_internal_anchor":false},{"citing_arxiv_id":"2604.06145","citing_title":"Massive Exchange and the Sign of the Equilateral Bispectrum","ref_index":49,"is_internal_anchor":false},{"citing_arxiv_id":"2604.15194","citing_title":"Dilaton-Flattened Axion Inflation","ref_index":23,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ELX4CPBLPPMIDZS2AL6TOCMEBT","json":"https://pith.science/pith/ELX4CPBLPPMIDZS2AL6TOCMEBT.json","graph_json":"https://pith.science/api/pith-number/ELX4CPBLPPMIDZS2AL6TOCMEBT/graph.json","events_json":"https://pith.science/api/pith-number/ELX4CPBLPPMIDZS2AL6TOCMEBT/events.json","paper":"https://pith.science/paper/ELX4CPBL"},"agent_actions":{"view_html":"https://pith.science/pith/ELX4CPBLPPMIDZS2AL6TOCMEBT","download_json":"https://pith.science/pith/ELX4CPBLPPMIDZS2AL6TOCMEBT.json","view_paper":"https://pith.science/paper/ELX4CPBL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1201.4848&json=true","fetch_graph":"https://pith.science/api/pith-number/ELX4CPBLPPMIDZS2AL6TOCMEBT/graph.json","fetch_events":"https://pith.science/api/pith-number/ELX4CPBLPPMIDZS2AL6TOCMEBT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ELX4CPBLPPMIDZS2AL6TOCMEBT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ELX4CPBLPPMIDZS2AL6TOCMEBT/action/storage_attestation","attest_author":"https://pith.science/pith/ELX4CPBLPPMIDZS2AL6TOCMEBT/action/author_attestation","sign_citation":"https://pith.science/pith/ELX4CPBLPPMIDZS2AL6TOCMEBT/action/citation_signature","submit_replication":"https://pith.science/pith/ELX4CPBLPPMIDZS2AL6TOCMEBT/action/replication_record"}},"created_at":"2026-05-18T01:58:43.200657+00:00","updated_at":"2026-05-18T01:58:43.200657+00:00"}