{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:EW6UXMKEUBSF7PMK376BLBEPXL","short_pith_number":"pith:EW6UXMKE","schema_version":"1.0","canonical_sha256":"25bd4bb144a0645fbd8adffc15848fbafff34ae83ccae6815e83f0df80fba340","source":{"kind":"arxiv","id":"2204.12874","version":3},"attestation_state":"computed","paper":{"title":"Lattice Simulations of Axion-U(1) Inflation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Angelo Caravano, Eiichiro Komatsu, Jochen Weller, Kaloian D. Lozanov","submitted_at":"2022-04-27T12:18:19Z","abstract_excerpt":"We present the first nonlinear lattice simulation of an axion field coupled to a U(1) gauge field during inflation. We use it to fully characterize the statistics of the primordial curvature perturbation {\\zeta}. We find high-order statistics to be essential in describing non-Gaussianity of {\\zeta} in the linear regime of the theory. On the contrary, non-Gaussianity is suppressed when the dynamics becomes nonlinear. This relaxes bounds from overproduction of primordial black holes, allowing for an observable gravitational waves signal at pulsar timing array and interferometers scales. Our work"},"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":"2204.12874","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-04-27T12:18:19Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"4489de4a9ea89b19827657da6668a5cea3f998ee2dc65276858bd785d1480162","abstract_canon_sha256":"88deb17452924f5f7dda3a143ff4e41a483e17589a5116f7b97e226e27bcddca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:39:48.796793Z","signature_b64":"QSm2efRAnQCwOYepEYgM7JQw1UGAC7f1iGPniK4gLlIG346Qm1MDrDpGt920+JfiIcx6k7iaBc1jh8yH0n2dAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25bd4bb144a0645fbd8adffc15848fbafff34ae83ccae6815e83f0df80fba340","last_reissued_at":"2026-07-05T06:39:48.796267Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:39:48.796267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Lattice Simulations of Axion-U(1) Inflation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Angelo Caravano, Eiichiro Komatsu, Jochen Weller, Kaloian D. Lozanov","submitted_at":"2022-04-27T12:18:19Z","abstract_excerpt":"We present the first nonlinear lattice simulation of an axion field coupled to a U(1) gauge field during inflation. We use it to fully characterize the statistics of the primordial curvature perturbation {\\zeta}. We find high-order statistics to be essential in describing non-Gaussianity of {\\zeta} in the linear regime of the theory. On the contrary, non-Gaussianity is suppressed when the dynamics becomes nonlinear. This relaxes bounds from overproduction of primordial black holes, allowing for an observable gravitational waves signal at pulsar timing array and interferometers scales. Our work"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.12874","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2204.12874/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":"2204.12874","created_at":"2026-07-05T06:39:48.796325+00:00"},{"alias_kind":"arxiv_version","alias_value":"2204.12874v3","created_at":"2026-07-05T06:39:48.796325+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.12874","created_at":"2026-07-05T06:39:48.796325+00:00"},{"alias_kind":"pith_short_12","alias_value":"EW6UXMKEUBSF","created_at":"2026-07-05T06:39:48.796325+00:00"},{"alias_kind":"pith_short_16","alias_value":"EW6UXMKEUBSF7PMK","created_at":"2026-07-05T06:39:48.796325+00:00"},{"alias_kind":"pith_short_8","alias_value":"EW6UXMKE","created_at":"2026-07-05T06:39:48.796325+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":9,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2607.01780","citing_title":"Lattice study of primordial black hole formation in bumpy axion inflation","ref_index":74,"is_internal_anchor":false},{"citing_arxiv_id":"2506.11797","citing_title":"InflationEasy: A C++ Lattice Code for Inflation","ref_index":17,"is_internal_anchor":false},{"citing_arxiv_id":"2506.20538","citing_title":"Schwinger effect in axion inflation on a lattice","ref_index":34,"is_internal_anchor":false},{"citing_arxiv_id":"2508.00798","citing_title":"Gravitational waves from axion inflation in the gradient expansion formalism. Part I. Pure axion inflation","ref_index":66,"is_internal_anchor":false},{"citing_arxiv_id":"2509.25013","citing_title":"Gravitational waves from axion inflation in the gradient expansion formalism. Part II. Fermionic axion inflation","ref_index":63,"is_internal_anchor":false},{"citing_arxiv_id":"2604.00978","citing_title":"Nonlinear Lattice Framework for Inflation: Bridging stochastic inflation and the $\\delta{N}$ formalism","ref_index":38,"is_internal_anchor":false},{"citing_arxiv_id":"2604.27496","citing_title":"Primordial black hole dark matter from axion inflation","ref_index":30,"is_internal_anchor":false},{"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":104,"is_internal_anchor":false},{"citing_arxiv_id":"2604.13674","citing_title":"Axion Inflation from Heavy-Fermion One-Loop Effects","ref_index":106,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EW6UXMKEUBSF7PMK376BLBEPXL","json":"https://pith.science/pith/EW6UXMKEUBSF7PMK376BLBEPXL.json","graph_json":"https://pith.science/api/pith-number/EW6UXMKEUBSF7PMK376BLBEPXL/graph.json","events_json":"https://pith.science/api/pith-number/EW6UXMKEUBSF7PMK376BLBEPXL/events.json","paper":"https://pith.science/paper/EW6UXMKE"},"agent_actions":{"view_html":"https://pith.science/pith/EW6UXMKEUBSF7PMK376BLBEPXL","download_json":"https://pith.science/pith/EW6UXMKEUBSF7PMK376BLBEPXL.json","view_paper":"https://pith.science/paper/EW6UXMKE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2204.12874&json=true","fetch_graph":"https://pith.science/api/pith-number/EW6UXMKEUBSF7PMK376BLBEPXL/graph.json","fetch_events":"https://pith.science/api/pith-number/EW6UXMKEUBSF7PMK376BLBEPXL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EW6UXMKEUBSF7PMK376BLBEPXL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EW6UXMKEUBSF7PMK376BLBEPXL/action/storage_attestation","attest_author":"https://pith.science/pith/EW6UXMKEUBSF7PMK376BLBEPXL/action/author_attestation","sign_citation":"https://pith.science/pith/EW6UXMKEUBSF7PMK376BLBEPXL/action/citation_signature","submit_replication":"https://pith.science/pith/EW6UXMKEUBSF7PMK376BLBEPXL/action/replication_record"}},"created_at":"2026-07-05T06:39:48.796325+00:00","updated_at":"2026-07-05T06:39:48.796325+00:00"}