{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:64AYI5ATXSU76QBP54O7R33TEB","short_pith_number":"pith:64AYI5AT","schema_version":"1.0","canonical_sha256":"f701847413bca9ff402fef1df8ef73205c5f8934e1962e7849358469c7991549","source":{"kind":"arxiv","id":"2110.05913","version":1},"attestation_state":"computed","paper":{"title":"Non-Gaussianity in DHOST inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Andrei Lazanu, Philippe Brax","submitted_at":"2021-10-12T11:52:20Z","abstract_excerpt":"DHOST inflation models where deviations from a pure de Sitter background are induced by an axion-like potential can lead to large non-Gaussianities. We investigate the nature of non-Gaussianities in these models and compare to the results given by the Planck experiment. The overlap between the DHOST non-Gaussianities and the equilateral, orthogonal and local templates can be rendered arbitrarily small. On the other hand, this does not preclude DHOST models from showing large non-Gaussianities as exemplified by their reduced bispectrum. As a result, they could be probed by future experiments an"},"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":"2110.05913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-10-12T11:52:20Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"d2e21bdb77e3ecac63914a5af7be1c746dc0194fa4a00a07aa23a619f0d51c60","abstract_canon_sha256":"f2b412356710ff094ed556849389fecda6b3be4cbaa3bf31d66a74fa78365d83"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:28:26.623617Z","signature_b64":"+KFvVJgOu71isTszV+gGRnRcDf7l605xLiRoHRuaEFySB6SCSppe/9yIc65rCmf4icIceM2aoI6A+8MK8gkyAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f701847413bca9ff402fef1df8ef73205c5f8934e1962e7849358469c7991549","last_reissued_at":"2026-07-05T09:28:26.623187Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:28:26.623187Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Non-Gaussianity in DHOST inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Andrei Lazanu, Philippe Brax","submitted_at":"2021-10-12T11:52:20Z","abstract_excerpt":"DHOST inflation models where deviations from a pure de Sitter background are induced by an axion-like potential can lead to large non-Gaussianities. We investigate the nature of non-Gaussianities in these models and compare to the results given by the Planck experiment. The overlap between the DHOST non-Gaussianities and the equilateral, orthogonal and local templates can be rendered arbitrarily small. On the other hand, this does not preclude DHOST models from showing large non-Gaussianities as exemplified by their reduced bispectrum. As a result, they could be probed by future experiments an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.05913","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/2110.05913/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":"2110.05913","created_at":"2026-07-05T09:28:26.623249+00:00"},{"alias_kind":"arxiv_version","alias_value":"2110.05913v1","created_at":"2026-07-05T09:28:26.623249+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.05913","created_at":"2026-07-05T09:28:26.623249+00:00"},{"alias_kind":"pith_short_12","alias_value":"64AYI5ATXSU7","created_at":"2026-07-05T09:28:26.623249+00:00"},{"alias_kind":"pith_short_16","alias_value":"64AYI5ATXSU76QBP","created_at":"2026-07-05T09:28:26.623249+00:00"},{"alias_kind":"pith_short_8","alias_value":"64AYI5AT","created_at":"2026-07-05T09:28:26.623249+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/64AYI5ATXSU76QBP54O7R33TEB","json":"https://pith.science/pith/64AYI5ATXSU76QBP54O7R33TEB.json","graph_json":"https://pith.science/api/pith-number/64AYI5ATXSU76QBP54O7R33TEB/graph.json","events_json":"https://pith.science/api/pith-number/64AYI5ATXSU76QBP54O7R33TEB/events.json","paper":"https://pith.science/paper/64AYI5AT"},"agent_actions":{"view_html":"https://pith.science/pith/64AYI5ATXSU76QBP54O7R33TEB","download_json":"https://pith.science/pith/64AYI5ATXSU76QBP54O7R33TEB.json","view_paper":"https://pith.science/paper/64AYI5AT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2110.05913&json=true","fetch_graph":"https://pith.science/api/pith-number/64AYI5ATXSU76QBP54O7R33TEB/graph.json","fetch_events":"https://pith.science/api/pith-number/64AYI5ATXSU76QBP54O7R33TEB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/64AYI5ATXSU76QBP54O7R33TEB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/64AYI5ATXSU76QBP54O7R33TEB/action/storage_attestation","attest_author":"https://pith.science/pith/64AYI5ATXSU76QBP54O7R33TEB/action/author_attestation","sign_citation":"https://pith.science/pith/64AYI5ATXSU76QBP54O7R33TEB/action/citation_signature","submit_replication":"https://pith.science/pith/64AYI5ATXSU76QBP54O7R33TEB/action/replication_record"}},"created_at":"2026-07-05T09:28:26.623249+00:00","updated_at":"2026-07-05T09:28:26.623249+00:00"}