{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:L7M6273OKEKXGIBDC3IX4ML2TT","short_pith_number":"pith:L7M6273O","schema_version":"1.0","canonical_sha256":"5fd9ed7f6e511573202316d17e317a9cd54621812f053fce134e5c8060d39bae","source":{"kind":"arxiv","id":"1307.7077","version":2},"attestation_state":"computed","paper":{"title":"An inflationary model with small scalar and large tensor nongaussianities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Jessica L. Cook, Lorenzo Sorbo","submitted_at":"2013-07-26T15:41:56Z","abstract_excerpt":"We study a model of inflation where the scalar perturbations are almost gaussian while there is sizable (equilateral) nongaussianity in the tensor sector. In this model, a rolling pseudoscalar gravitationally coupled to the inflaton amplifies the vacuum fluctuations of a vector field. The vector sources both scalar and tensor metric perturbations. Both kinds of perturbations are nongaussian, but, due to helicity conservation, the tensors have a larger amplitude, so that nongaussianity in the scalar perturbations is negligible. Moreover, the tensors produced this way are chiral. We study, in th"},"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":"1307.7077","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-07-26T15:41:56Z","cross_cats_sorted":["hep-ph","hep-th"],"title_canon_sha256":"72d212c372ffd98f2c8614fa14ac21fe0bc40d0f90be46861945866170c0f8bd","abstract_canon_sha256":"681c3102d66e1fb8d1c9c56f86087ad871f9fe0c63a3835928d7624c9f0f77c7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:06:05.540019Z","signature_b64":"tPBndRBpuVUsmyRbqirn7gxjhLh4f8v74jE78htGvjxef2M5SCrGdbKezF43KaaZw32+Qmwc4kSk7c/5EwttDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5fd9ed7f6e511573202316d17e317a9cd54621812f053fce134e5c8060d39bae","last_reissued_at":"2026-05-18T03:06:05.539302Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:06:05.539302Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An inflationary model with small scalar and large tensor nongaussianities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Jessica L. Cook, Lorenzo Sorbo","submitted_at":"2013-07-26T15:41:56Z","abstract_excerpt":"We study a model of inflation where the scalar perturbations are almost gaussian while there is sizable (equilateral) nongaussianity in the tensor sector. In this model, a rolling pseudoscalar gravitationally coupled to the inflaton amplifies the vacuum fluctuations of a vector field. The vector sources both scalar and tensor metric perturbations. Both kinds of perturbations are nongaussian, but, due to helicity conservation, the tensors have a larger amplitude, so that nongaussianity in the scalar perturbations is negligible. Moreover, the tensors produced this way are chiral. We study, in th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.7077","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":""},"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":"1307.7077","created_at":"2026-05-18T03:06:05.539438+00:00"},{"alias_kind":"arxiv_version","alias_value":"1307.7077v2","created_at":"2026-05-18T03:06:05.539438+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.7077","created_at":"2026-05-18T03:06:05.539438+00:00"},{"alias_kind":"pith_short_12","alias_value":"L7M6273OKEKX","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_16","alias_value":"L7M6273OKEKXGIBD","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_8","alias_value":"L7M6273O","created_at":"2026-05-18T12:27:51.066281+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2506.20538","citing_title":"Schwinger effect in axion inflation on a lattice","ref_index":17,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/L7M6273OKEKXGIBDC3IX4ML2TT","json":"https://pith.science/pith/L7M6273OKEKXGIBDC3IX4ML2TT.json","graph_json":"https://pith.science/api/pith-number/L7M6273OKEKXGIBDC3IX4ML2TT/graph.json","events_json":"https://pith.science/api/pith-number/L7M6273OKEKXGIBDC3IX4ML2TT/events.json","paper":"https://pith.science/paper/L7M6273O"},"agent_actions":{"view_html":"https://pith.science/pith/L7M6273OKEKXGIBDC3IX4ML2TT","download_json":"https://pith.science/pith/L7M6273OKEKXGIBDC3IX4ML2TT.json","view_paper":"https://pith.science/paper/L7M6273O","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1307.7077&json=true","fetch_graph":"https://pith.science/api/pith-number/L7M6273OKEKXGIBDC3IX4ML2TT/graph.json","fetch_events":"https://pith.science/api/pith-number/L7M6273OKEKXGIBDC3IX4ML2TT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/L7M6273OKEKXGIBDC3IX4ML2TT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/L7M6273OKEKXGIBDC3IX4ML2TT/action/storage_attestation","attest_author":"https://pith.science/pith/L7M6273OKEKXGIBDC3IX4ML2TT/action/author_attestation","sign_citation":"https://pith.science/pith/L7M6273OKEKXGIBDC3IX4ML2TT/action/citation_signature","submit_replication":"https://pith.science/pith/L7M6273OKEKXGIBDC3IX4ML2TT/action/replication_record"}},"created_at":"2026-05-18T03:06:05.539438+00:00","updated_at":"2026-05-18T03:06:05.539438+00:00"}