{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:DTNIJF33MVE27I3C3AM72QMROF","short_pith_number":"pith:DTNIJF33","schema_version":"1.0","canonical_sha256":"1cda84977b6549afa362d819fd419171421b554159bc32e2c4fe5a7e20bdeb10","source":{"kind":"arxiv","id":"0804.1055","version":4},"attestation_state":"computed","paper":{"title":"Primordial Non-Gaussianities of General Multiple Field Inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"astro-ph","authors_text":"Xian Gao","submitted_at":"2008-04-07T15:09:24Z","abstract_excerpt":"We perform a general study of the primordial scalar non-Gaussianities in multi-field inflationary models in Einstein gravity. We consider models governed by a Lagrangian which is a general function of the scalar fields and their first spacetime derivatives. We use $\\delta N$ formalism to relate scalar fields and curvature perturbations. We calculate the explicit cubic order perturbation action and the three-point function of curvature perturbation evaluated at horizon-crossing. Under reasonable assumptions, in the limit of small slow-varying parameters and a sound speed $c_s$ close to one, we "},"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":"0804.1055","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-04-07T15:09:24Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"1e74d24fa74d670e46d18a122fa1ad9cd3b52f20d514729282f37ca5f321ec37","abstract_canon_sha256":"09c388796392b7abed4fd58a43f075db4416bc8b1c8a723301d756595d8824f5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:44:46.409163Z","signature_b64":"2tnIFlLY6j0KSNohh8VQ1CYIbcXQ+m+tNG7hPRpL68JoCIim2wzO+9FebE/NIcYcL8D3hYbhia0GWYpVwQWtAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cda84977b6549afa362d819fd419171421b554159bc32e2c4fe5a7e20bdeb10","last_reissued_at":"2026-07-04T15:44:46.408783Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:44:46.408783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Primordial Non-Gaussianities of General Multiple Field Inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"astro-ph","authors_text":"Xian Gao","submitted_at":"2008-04-07T15:09:24Z","abstract_excerpt":"We perform a general study of the primordial scalar non-Gaussianities in multi-field inflationary models in Einstein gravity. We consider models governed by a Lagrangian which is a general function of the scalar fields and their first spacetime derivatives. We use $\\delta N$ formalism to relate scalar fields and curvature perturbations. We calculate the explicit cubic order perturbation action and the three-point function of curvature perturbation evaluated at horizon-crossing. Under reasonable assumptions, in the limit of small slow-varying parameters and a sound speed $c_s$ close to one, we "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0804.1055","kind":"arxiv","version":4},"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/0804.1055/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":"0804.1055","created_at":"2026-07-04T15:44:46.408839+00:00"},{"alias_kind":"arxiv_version","alias_value":"0804.1055v4","created_at":"2026-07-04T15:44:46.408839+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0804.1055","created_at":"2026-07-04T15:44:46.408839+00:00"},{"alias_kind":"pith_short_12","alias_value":"DTNIJF33MVE2","created_at":"2026-07-04T15:44:46.408839+00:00"},{"alias_kind":"pith_short_16","alias_value":"DTNIJF33MVE27I3C","created_at":"2026-07-04T15:44:46.408839+00:00"},{"alias_kind":"pith_short_8","alias_value":"DTNIJF33","created_at":"2026-07-04T15:44:46.408839+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DTNIJF33MVE27I3C3AM72QMROF","json":"https://pith.science/pith/DTNIJF33MVE27I3C3AM72QMROF.json","graph_json":"https://pith.science/api/pith-number/DTNIJF33MVE27I3C3AM72QMROF/graph.json","events_json":"https://pith.science/api/pith-number/DTNIJF33MVE27I3C3AM72QMROF/events.json","paper":"https://pith.science/paper/DTNIJF33"},"agent_actions":{"view_html":"https://pith.science/pith/DTNIJF33MVE27I3C3AM72QMROF","download_json":"https://pith.science/pith/DTNIJF33MVE27I3C3AM72QMROF.json","view_paper":"https://pith.science/paper/DTNIJF33","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0804.1055&json=true","fetch_graph":"https://pith.science/api/pith-number/DTNIJF33MVE27I3C3AM72QMROF/graph.json","fetch_events":"https://pith.science/api/pith-number/DTNIJF33MVE27I3C3AM72QMROF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DTNIJF33MVE27I3C3AM72QMROF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DTNIJF33MVE27I3C3AM72QMROF/action/storage_attestation","attest_author":"https://pith.science/pith/DTNIJF33MVE27I3C3AM72QMROF/action/author_attestation","sign_citation":"https://pith.science/pith/DTNIJF33MVE27I3C3AM72QMROF/action/citation_signature","submit_replication":"https://pith.science/pith/DTNIJF33MVE27I3C3AM72QMROF/action/replication_record"}},"created_at":"2026-07-04T15:44:46.408839+00:00","updated_at":"2026-07-04T15:44:46.408839+00:00"}