{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TTMMODTWO6YJJLAATHCIBXGXQD","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":"2d6677b09c24240772e02a37fe7369f4faa37eaaf02a3bc4023dfb3941b393ea","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-18T19:00:00Z","title_canon_sha256":"56f3d4513f0dd3328105ba8fd31db26264bf6e5a367b1809e993cce23e25340b"},"schema_version":"1.0","source":{"id":"1812.07571","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.07571","created_at":"2026-07-05T00:15:34Z"},{"alias_kind":"arxiv_version","alias_value":"1812.07571v2","created_at":"2026-07-05T00:15:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.07571","created_at":"2026-07-05T00:15:34Z"},{"alias_kind":"pith_short_12","alias_value":"TTMMODTWO6YJ","created_at":"2026-07-05T00:15:34Z"},{"alias_kind":"pith_short_16","alias_value":"TTMMODTWO6YJJLAA","created_at":"2026-07-05T00:15:34Z"},{"alias_kind":"pith_short_8","alias_value":"TTMMODTW","created_at":"2026-07-05T00:15:34Z"}],"graph_snapshots":[{"event_id":"sha256:c403c0534a4e6afae80753be97c521acfe0665fa03dbc070692ab5d7e345b06a","target":"graph","created_at":"2026-07-05T00:15:34Z","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/1812.07571/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"If the graviton is the only high spin particle present during inflation, then the form of the observable tensor three-point function is fixed by de Sitter symmetry at leading order in slow-roll, regardless of the theory, to be a linear combination of two possible shapes. This is because there are only a fixed number of possible on-shell cubic structures through which the graviton can self-interact. If additional massive spin-2 degrees of freedom are present, more cubic interaction structures are possible, including those containing interactions between the new fields and the graviton, and self","authors_text":"Austin Joyce, Garrett Goon, Kurt Hinterbichler, Mark Trodden","cross_cats":["astro-ph.CO","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-18T19:00:00Z","title":"Shapes of gravity: Tensor non-Gaussianity and massive spin-2 fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.07571","kind":"arxiv","version":2},"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":"sha256:68102b04b921944d15df24a49f278a0a9db23ef9dc2807802c7fa13782666455","target":"record","created_at":"2026-07-05T00:15:34Z","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":"2d6677b09c24240772e02a37fe7369f4faa37eaaf02a3bc4023dfb3941b393ea","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-12-18T19:00:00Z","title_canon_sha256":"56f3d4513f0dd3328105ba8fd31db26264bf6e5a367b1809e993cce23e25340b"},"schema_version":"1.0","source":{"id":"1812.07571","kind":"arxiv","version":2}},"canonical_sha256":"9cd8c70e7677b094ac0099c480dcd780d9084c96bfc5c111129a99bc7968fb4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9cd8c70e7677b094ac0099c480dcd780d9084c96bfc5c111129a99bc7968fb4c","first_computed_at":"2026-07-05T00:15:34.737105Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:15:34.737105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KzoCzn9Pmd4XY4fAPRaqgQqg6DABA6fatovaVV0Yc5Iz44GfVBLZDI2ZrbW1jeSt29BJk43DnhRv10F+EG2UDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:15:34.737586Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.07571","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68102b04b921944d15df24a49f278a0a9db23ef9dc2807802c7fa13782666455","sha256:c403c0534a4e6afae80753be97c521acfe0665fa03dbc070692ab5d7e345b06a"],"state_sha256":"4e87d9aaadbc095c477df8aad355db70993e738acf549b42eb0fed509fabc784"}