{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:KWBWKYTZ4I52EL3IUNBWZYT4MC","short_pith_number":"pith:KWBWKYTZ","schema_version":"1.0","canonical_sha256":"5583656279e23ba22f68a3436ce27c60b69efee3df43fdfef09e7da2a7373412","source":{"kind":"arxiv","id":"2507.03610","version":1},"attestation_state":"computed","paper":{"title":"Post-inflationary enhancement of adiabatic perturbations in modular cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andrei Linde, Diederik Roest, John Joseph Carrasco, Martino Michelotti, Renata Kallosh, Rodrigo Gonzalez Quaglia","submitted_at":"2025-07-04T14:32:44Z","abstract_excerpt":"We show that multi-field inflationary models with negligible turning in field space during inflation can lead to an effective sourcing of adiabatic from entropic perturbations {\\it after} the end of inflation. We illustrate this general phenomenon with a detailed analysis of an inflationary model whose scalar potential is determined by modular invariance. Its entropic perturbations are frozen during inflation, but instead, they are converted into adiabatic perturbations in the first post-inflationary $e$-folds. The curvature power spectrum, giving rise to CMB fluctuations, reaches a novel and "},"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":"2507.03610","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-07-04T14:32:44Z","cross_cats_sorted":[],"title_canon_sha256":"47a05e801dce2e414da949f2435fa734b2dec39c7f566ffa507f00a43b03fa43","abstract_canon_sha256":"3b5355594993d623a8d533637bf260d955e778180165145b329c19881cdbd343"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:32:02.630161Z","signature_b64":"hNSpUiNDf/Kba2t2/XLVXej4W2qKwSnBQ91znUsoWEx4KsB4Dwo+JefD4mYYOd5qhWIA2RWqlFEMyvnPvirMAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5583656279e23ba22f68a3436ce27c60b69efee3df43fdfef09e7da2a7373412","last_reissued_at":"2026-07-05T11:32:02.629713Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:32:02.629713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Post-inflationary enhancement of adiabatic perturbations in modular cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andrei Linde, Diederik Roest, John Joseph Carrasco, Martino Michelotti, Renata Kallosh, Rodrigo Gonzalez Quaglia","submitted_at":"2025-07-04T14:32:44Z","abstract_excerpt":"We show that multi-field inflationary models with negligible turning in field space during inflation can lead to an effective sourcing of adiabatic from entropic perturbations {\\it after} the end of inflation. We illustrate this general phenomenon with a detailed analysis of an inflationary model whose scalar potential is determined by modular invariance. Its entropic perturbations are frozen during inflation, but instead, they are converted into adiabatic perturbations in the first post-inflationary $e$-folds. The curvature power spectrum, giving rise to CMB fluctuations, reaches a novel and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.03610","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/2507.03610/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":"2507.03610","created_at":"2026-07-05T11:32:02.629771+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.03610v1","created_at":"2026-07-05T11:32:02.629771+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.03610","created_at":"2026-07-05T11:32:02.629771+00:00"},{"alias_kind":"pith_short_12","alias_value":"KWBWKYTZ4I52","created_at":"2026-07-05T11:32:02.629771+00:00"},{"alias_kind":"pith_short_16","alias_value":"KWBWKYTZ4I52EL3I","created_at":"2026-07-05T11:32:02.629771+00:00"},{"alias_kind":"pith_short_8","alias_value":"KWBWKYTZ","created_at":"2026-07-05T11:32:02.629771+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.12549","citing_title":"Tachyonic Encore: A universal shift of inflationary observables","ref_index":23,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/KWBWKYTZ4I52EL3IUNBWZYT4MC","json":"https://pith.science/pith/KWBWKYTZ4I52EL3IUNBWZYT4MC.json","graph_json":"https://pith.science/api/pith-number/KWBWKYTZ4I52EL3IUNBWZYT4MC/graph.json","events_json":"https://pith.science/api/pith-number/KWBWKYTZ4I52EL3IUNBWZYT4MC/events.json","paper":"https://pith.science/paper/KWBWKYTZ"},"agent_actions":{"view_html":"https://pith.science/pith/KWBWKYTZ4I52EL3IUNBWZYT4MC","download_json":"https://pith.science/pith/KWBWKYTZ4I52EL3IUNBWZYT4MC.json","view_paper":"https://pith.science/paper/KWBWKYTZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.03610&json=true","fetch_graph":"https://pith.science/api/pith-number/KWBWKYTZ4I52EL3IUNBWZYT4MC/graph.json","fetch_events":"https://pith.science/api/pith-number/KWBWKYTZ4I52EL3IUNBWZYT4MC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KWBWKYTZ4I52EL3IUNBWZYT4MC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KWBWKYTZ4I52EL3IUNBWZYT4MC/action/storage_attestation","attest_author":"https://pith.science/pith/KWBWKYTZ4I52EL3IUNBWZYT4MC/action/author_attestation","sign_citation":"https://pith.science/pith/KWBWKYTZ4I52EL3IUNBWZYT4MC/action/citation_signature","submit_replication":"https://pith.science/pith/KWBWKYTZ4I52EL3IUNBWZYT4MC/action/replication_record"}},"created_at":"2026-07-05T11:32:02.629771+00:00","updated_at":"2026-07-05T11:32:02.629771+00:00"}