{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:Y4W7S63HQ5Q3ZPENUT7K2N3N5X","short_pith_number":"pith:Y4W7S63H","canonical_record":{"source":{"id":"2311.13819","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-11-23T06:07:55Z","cross_cats_sorted":[],"title_canon_sha256":"7e54a57ff28789e317836de932323f31bfe8c4043e7435a1ab6b66d754f2cf52","abstract_canon_sha256":"b27fcce881ec98ce7c579db8269158111006bd40281ec068e0fe230de3cd2ab5"},"schema_version":"1.0"},"canonical_sha256":"c72df97b678761bcbc8da4fead376dedc67ada4f71f778eb16550c82806d1eec","source":{"kind":"arxiv","id":"2311.13819","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.13819","created_at":"2026-07-05T09:28:28Z"},{"alias_kind":"arxiv_version","alias_value":"2311.13819v1","created_at":"2026-07-05T09:28:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.13819","created_at":"2026-07-05T09:28:28Z"},{"alias_kind":"pith_short_12","alias_value":"Y4W7S63HQ5Q3","created_at":"2026-07-05T09:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"Y4W7S63HQ5Q3ZPEN","created_at":"2026-07-05T09:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"Y4W7S63H","created_at":"2026-07-05T09:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:Y4W7S63HQ5Q3ZPENUT7K2N3N5X","target":"record","payload":{"canonical_record":{"source":{"id":"2311.13819","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-11-23T06:07:55Z","cross_cats_sorted":[],"title_canon_sha256":"7e54a57ff28789e317836de932323f31bfe8c4043e7435a1ab6b66d754f2cf52","abstract_canon_sha256":"b27fcce881ec98ce7c579db8269158111006bd40281ec068e0fe230de3cd2ab5"},"schema_version":"1.0"},"canonical_sha256":"c72df97b678761bcbc8da4fead376dedc67ada4f71f778eb16550c82806d1eec","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:28:28.564219Z","signature_b64":"URdvWdH2jjB6b8C1uSeLlC4381B1g5ExZwM3hJPqEVp0RbfSBIJ891xxW3vlSxirDVHBsd3c99CY1p2JmavFAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c72df97b678761bcbc8da4fead376dedc67ada4f71f778eb16550c82806d1eec","last_reissued_at":"2026-07-05T09:28:28.563662Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:28:28.563662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2311.13819","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:28:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n43R8N31ov0XfTJ6jgImf1E4RaqDD10isoZ5xpwy5E46oSMIhINRFYrETzYGMepO80WNgW39x8TYtbw1P2aFCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T01:45:31.089994Z"},"content_sha256":"c545cc7e77e7b1384c0650c0d2a1ba50c0b90125cc309d40d68f6e0ed6d124ba","schema_version":"1.0","event_id":"sha256:c545cc7e77e7b1384c0650c0d2a1ba50c0b90125cc309d40d68f6e0ed6d124ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:Y4W7S63HQ5Q3ZPENUT7K2N3N5X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CMB bispectrum constraints on DHOST inflation","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Andrei Lazanu, James R. Fergusson, Philippe Brax, Wuhyun Sohn","submitted_at":"2023-11-23T06:07:55Z","abstract_excerpt":"We present the first direct constraints on a Degenerate Higher Order Scalar Tensor (DHOST) inflation model using the Planck 2018 Cosmic Microwave Background (CMB) results on non-Gaussianities. We identify that the bispectrum consists of a fixed contribution following from the power spectrum and a linear combination of terms depending on five free parameters defining the cubic perturbations to the DHOST model. The former peaks in the squeezed limit, while the latter is maximised in the equilateral limit. We directly confront the model predictions to the CMB bispectrum statistics via the public "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.13819","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/2311.13819/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:28:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"21JveTX612QBCLYzA4IVsEStmtdGl7Pn5O7YXvfxXHJ4jPTrP2F9CeP/IP/qnZh+0hUhbQ+Y+eDNr+OAH02gAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T01:45:31.090588Z"},"content_sha256":"ce9b635deaff924646d07afe45f04bfe91ec76eacace19e5d410773a0e262d4a","schema_version":"1.0","event_id":"sha256:ce9b635deaff924646d07afe45f04bfe91ec76eacace19e5d410773a0e262d4a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y4W7S63HQ5Q3ZPENUT7K2N3N5X/bundle.json","state_url":"https://pith.science/pith/Y4W7S63HQ5Q3ZPENUT7K2N3N5X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y4W7S63HQ5Q3ZPENUT7K2N3N5X/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-07T01:45:31Z","links":{"resolver":"https://pith.science/pith/Y4W7S63HQ5Q3ZPENUT7K2N3N5X","bundle":"https://pith.science/pith/Y4W7S63HQ5Q3ZPENUT7K2N3N5X/bundle.json","state":"https://pith.science/pith/Y4W7S63HQ5Q3ZPENUT7K2N3N5X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y4W7S63HQ5Q3ZPENUT7K2N3N5X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:Y4W7S63HQ5Q3ZPENUT7K2N3N5X","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b27fcce881ec98ce7c579db8269158111006bd40281ec068e0fe230de3cd2ab5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-11-23T06:07:55Z","title_canon_sha256":"7e54a57ff28789e317836de932323f31bfe8c4043e7435a1ab6b66d754f2cf52"},"schema_version":"1.0","source":{"id":"2311.13819","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2311.13819","created_at":"2026-07-05T09:28:28Z"},{"alias_kind":"arxiv_version","alias_value":"2311.13819v1","created_at":"2026-07-05T09:28:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2311.13819","created_at":"2026-07-05T09:28:28Z"},{"alias_kind":"pith_short_12","alias_value":"Y4W7S63HQ5Q3","created_at":"2026-07-05T09:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"Y4W7S63HQ5Q3ZPEN","created_at":"2026-07-05T09:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"Y4W7S63H","created_at":"2026-07-05T09:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:ce9b635deaff924646d07afe45f04bfe91ec76eacace19e5d410773a0e262d4a","target":"graph","created_at":"2026-07-05T09:28:28Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2311.13819/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the first direct constraints on a Degenerate Higher Order Scalar Tensor (DHOST) inflation model using the Planck 2018 Cosmic Microwave Background (CMB) results on non-Gaussianities. We identify that the bispectrum consists of a fixed contribution following from the power spectrum and a linear combination of terms depending on five free parameters defining the cubic perturbations to the DHOST model. The former peaks in the squeezed limit, while the latter is maximised in the equilateral limit. We directly confront the model predictions to the CMB bispectrum statistics via the public ","authors_text":"Andrei Lazanu, James R. Fergusson, Philippe Brax, Wuhyun Sohn","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-11-23T06:07:55Z","title":"CMB bispectrum constraints on DHOST inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2311.13819","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:c545cc7e77e7b1384c0650c0d2a1ba50c0b90125cc309d40d68f6e0ed6d124ba","target":"record","created_at":"2026-07-05T09:28:28Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b27fcce881ec98ce7c579db8269158111006bd40281ec068e0fe230de3cd2ab5","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-11-23T06:07:55Z","title_canon_sha256":"7e54a57ff28789e317836de932323f31bfe8c4043e7435a1ab6b66d754f2cf52"},"schema_version":"1.0","source":{"id":"2311.13819","kind":"arxiv","version":1}},"canonical_sha256":"c72df97b678761bcbc8da4fead376dedc67ada4f71f778eb16550c82806d1eec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c72df97b678761bcbc8da4fead376dedc67ada4f71f778eb16550c82806d1eec","first_computed_at":"2026-07-05T09:28:28.563662Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:28:28.563662Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"URdvWdH2jjB6b8C1uSeLlC4381B1g5ExZwM3hJPqEVp0RbfSBIJ891xxW3vlSxirDVHBsd3c99CY1p2JmavFAA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:28:28.564219Z","signed_message":"canonical_sha256_bytes"},"source_id":"2311.13819","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c545cc7e77e7b1384c0650c0d2a1ba50c0b90125cc309d40d68f6e0ed6d124ba","sha256:ce9b635deaff924646d07afe45f04bfe91ec76eacace19e5d410773a0e262d4a"],"state_sha256":"8ae2a21b248fa2f57115d1bdf782c6d14df5daba11816db98d0a3908b54b9c92"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e+fxJo35Rn77w1NGgHQWQzgvE3mhVVYRIP964wKvN2JEDvKwDca1dXQHFYLwxi4HnU8tC08eQq7G+nG7KLokAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T01:45:31.097174Z","bundle_sha256":"83617d95d10c6275c6395d0785a6ec93b503675a0a5f1947bf287efc834b5b95"}}