{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:AAPVO2Z3QCLJJGTFYQQFCFSPH5","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":"2c0dffcb72404e10163bae71ce7c8635f9cedbce92c99dc5da38618a4effecff","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-08-06T02:51:53Z","title_canon_sha256":"d056af6f602d5e090ba8d89d6cc9d90ee10c9825a75e7adbd7e56801ca3f09cb"},"schema_version":"1.0","source":{"id":"1208.1073","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.1073","created_at":"2026-05-18T03:22:27Z"},{"alias_kind":"arxiv_version","alias_value":"1208.1073v3","created_at":"2026-05-18T03:22:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.1073","created_at":"2026-05-18T03:22:27Z"},{"alias_kind":"pith_short_12","alias_value":"AAPVO2Z3QCLJ","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"AAPVO2Z3QCLJJGTF","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"AAPVO2Z3","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:569adae7701ddd8a3e76f5be0b620c120da8eeccbf859df21cb97db6ea0dab80","target":"graph","created_at":"2026-05-18T03:22:27Z","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"},"paper":{"abstract_excerpt":"Precise understanding of nonlinear evolution of cosmological perturbations during inflation is necessary for the correct interpretation of measurements of non-Gaussian correlations in the cosmic microwave background and the large-scale structure of the universe. The \"{\\delta}N formalism\" is a popular and powerful technique for computing non-linear evolution of cosmological perturbations on large scales. In particular, it enables us to compute the curvature perturbation, {\\zeta}, on large scales without actually solving perturbed field equations. However, people often wonder why this is the cas","authors_text":"Eiichiro Komatsu, Naonori S. Sugiyama, Toshifumi Futamase","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-08-06T02:51:53Z","title":"{\\delta}N formalism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.1073","kind":"arxiv","version":3},"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":"sha256:3f94d24fc5ebeec57409616e97f901f474fcb057ed3cfea4503536d05cc4a7bf","target":"record","created_at":"2026-05-18T03:22:27Z","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":"2c0dffcb72404e10163bae71ce7c8635f9cedbce92c99dc5da38618a4effecff","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-08-06T02:51:53Z","title_canon_sha256":"d056af6f602d5e090ba8d89d6cc9d90ee10c9825a75e7adbd7e56801ca3f09cb"},"schema_version":"1.0","source":{"id":"1208.1073","kind":"arxiv","version":3}},"canonical_sha256":"001f576b3b8096949a65c42051164f3f5e531d4b509fa33d85749d25f9181c48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"001f576b3b8096949a65c42051164f3f5e531d4b509fa33d85749d25f9181c48","first_computed_at":"2026-05-18T03:22:27.778409Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:22:27.778409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"a56cIXv97dDsLBxy6FrAYsTPtv3aBKm19rFnC2FMvcd5tI+xHGaG4fTWQQ6fRVJGk01OtDRBtNyLPr6aTWdTDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:22:27.779087Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.1073","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f94d24fc5ebeec57409616e97f901f474fcb057ed3cfea4503536d05cc4a7bf","sha256:569adae7701ddd8a3e76f5be0b620c120da8eeccbf859df21cb97db6ea0dab80"],"state_sha256":"c0a86c00d2423bddc9d648be3c8309e500b11dc94e19ca5bf3f07fd5f10f5690"}