{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:FUNTD5DFJWY2MODBRULJOLREMM","short_pith_number":"pith:FUNTD5DF","canonical_record":{"source":{"id":"astro-ph/0603799","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-29T19:33:59Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"e89c4a8071c1d312f3bf376dac9b40b1f24ec4e134d19e524bfb1669dd7a25b8","abstract_canon_sha256":"337ad6e44144f84d73f4bf89b66a4e455b80a77b59e09d30399e061ce35e2844"},"schema_version":"1.0"},"canonical_sha256":"2d1b31f4654db1a638618d16972e24631c6b56fd086c969a90c42e7a8675070b","source":{"kind":"arxiv","id":"astro-ph/0603799","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0603799","created_at":"2026-07-04T16:58:31Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603799v3","created_at":"2026-07-04T16:58:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603799","created_at":"2026-07-04T16:58:31Z"},{"alias_kind":"pith_short_12","alias_value":"FUNTD5DFJWY2","created_at":"2026-07-04T16:58:31Z"},{"alias_kind":"pith_short_16","alias_value":"FUNTD5DFJWY2MODB","created_at":"2026-07-04T16:58:31Z"},{"alias_kind":"pith_short_8","alias_value":"FUNTD5DF","created_at":"2026-07-04T16:58:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:FUNTD5DFJWY2MODBRULJOLREMM","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0603799","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-29T19:33:59Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"e89c4a8071c1d312f3bf376dac9b40b1f24ec4e134d19e524bfb1669dd7a25b8","abstract_canon_sha256":"337ad6e44144f84d73f4bf89b66a4e455b80a77b59e09d30399e061ce35e2844"},"schema_version":"1.0"},"canonical_sha256":"2d1b31f4654db1a638618d16972e24631c6b56fd086c969a90c42e7a8675070b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:58:31.865902Z","signature_b64":"8KD6Ck9nKLDX9vJ2jGJo07zzuXHP74+uOMb/Iogro4CjCGGYd8MdH3Flk+y0KqpIr5djx7Kc3afKRVb8txcQCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d1b31f4654db1a638618d16972e24631c6b56fd086c969a90c42e7a8675070b","last_reissued_at":"2026-07-04T16:58:31.865520Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:58:31.865520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0603799","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:58:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GAseki/PtI7Q1MrL8RD188VMlNTPCcv5pOMo8a0GRfY5pL4o9UGl06c2VpscN0pUGgVLtcUpyBae2ZnNYpXqBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T10:54:17.337635Z"},"content_sha256":"6bdb102bd71c39414ee5d36dbcd501c12d0e5ad344b6c28ce82d3f995334155f","schema_version":"1.0","event_id":"sha256:6bdb102bd71c39414ee5d36dbcd501c12d0e5ad344b6c28ce82d3f995334155f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:FUNTD5DFJWY2MODBRULJOLREMM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-Gaussianities in two-field inflation","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"David Wands, Filippo Vernizzi","submitted_at":"2006-03-29T19:33:59Z","abstract_excerpt":"We study the bispectrum of the curvature perturbation on uniform energy density hypersurfaces in models of inflation with two scalar fields evolving simultaneously. In the case of a separable potential, it is possible to compute the curvature perturbation up to second order in the perturbations, generated on large scales due to the presence of non-adiabatic perturbations, by employing the $\\delta N$-formalism, in the slow-roll approximation. In this case, we provide an analytic formula for the nonlinear parameter $f_{NL}$. We apply this formula to double inflation with two massive fields, show"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603799","kind":"arxiv","version":3},"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/astro-ph/0603799/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":"2026-07-04T16:58:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y7v4dy4t2ZE4qwKuFhlKRSOwz4pOqxPBaxFAiu2GXQtKdkwWSqUQ82+7BjNtS469Ws+7g50vUG0vGxvR/vy3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T10:54:17.338541Z"},"content_sha256":"109b8bb05f90bce78b99a39da61ab56d359aeb96b925cef04869b3c1507924e4","schema_version":"1.0","event_id":"sha256:109b8bb05f90bce78b99a39da61ab56d359aeb96b925cef04869b3c1507924e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FUNTD5DFJWY2MODBRULJOLREMM/bundle.json","state_url":"https://pith.science/pith/FUNTD5DFJWY2MODBRULJOLREMM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FUNTD5DFJWY2MODBRULJOLREMM/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":"2026-08-13T10:54:17Z","links":{"resolver":"https://pith.science/pith/FUNTD5DFJWY2MODBRULJOLREMM","bundle":"https://pith.science/pith/FUNTD5DFJWY2MODBRULJOLREMM/bundle.json","state":"https://pith.science/pith/FUNTD5DFJWY2MODBRULJOLREMM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FUNTD5DFJWY2MODBRULJOLREMM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:FUNTD5DFJWY2MODBRULJOLREMM","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":"337ad6e44144f84d73f4bf89b66a4e455b80a77b59e09d30399e061ce35e2844","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-29T19:33:59Z","title_canon_sha256":"e89c4a8071c1d312f3bf376dac9b40b1f24ec4e134d19e524bfb1669dd7a25b8"},"schema_version":"1.0","source":{"id":"astro-ph/0603799","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0603799","created_at":"2026-07-04T16:58:31Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603799v3","created_at":"2026-07-04T16:58:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603799","created_at":"2026-07-04T16:58:31Z"},{"alias_kind":"pith_short_12","alias_value":"FUNTD5DFJWY2","created_at":"2026-07-04T16:58:31Z"},{"alias_kind":"pith_short_16","alias_value":"FUNTD5DFJWY2MODB","created_at":"2026-07-04T16:58:31Z"},{"alias_kind":"pith_short_8","alias_value":"FUNTD5DF","created_at":"2026-07-04T16:58:31Z"}],"graph_snapshots":[{"event_id":"sha256:109b8bb05f90bce78b99a39da61ab56d359aeb96b925cef04869b3c1507924e4","target":"graph","created_at":"2026-07-04T16:58:31Z","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/astro-ph/0603799/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the bispectrum of the curvature perturbation on uniform energy density hypersurfaces in models of inflation with two scalar fields evolving simultaneously. In the case of a separable potential, it is possible to compute the curvature perturbation up to second order in the perturbations, generated on large scales due to the presence of non-adiabatic perturbations, by employing the $\\delta N$-formalism, in the slow-roll approximation. In this case, we provide an analytic formula for the nonlinear parameter $f_{NL}$. We apply this formula to double inflation with two massive fields, show","authors_text":"David Wands, Filippo Vernizzi","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-03-29T19:33:59Z","title":"Non-Gaussianities in two-field inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603799","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":"sha256:6bdb102bd71c39414ee5d36dbcd501c12d0e5ad344b6c28ce82d3f995334155f","target":"record","created_at":"2026-07-04T16:58:31Z","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":"337ad6e44144f84d73f4bf89b66a4e455b80a77b59e09d30399e061ce35e2844","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-29T19:33:59Z","title_canon_sha256":"e89c4a8071c1d312f3bf376dac9b40b1f24ec4e134d19e524bfb1669dd7a25b8"},"schema_version":"1.0","source":{"id":"astro-ph/0603799","kind":"arxiv","version":3}},"canonical_sha256":"2d1b31f4654db1a638618d16972e24631c6b56fd086c969a90c42e7a8675070b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2d1b31f4654db1a638618d16972e24631c6b56fd086c969a90c42e7a8675070b","first_computed_at":"2026-07-04T16:58:31.865520Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:58:31.865520Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8KD6Ck9nKLDX9vJ2jGJo07zzuXHP74+uOMb/Iogro4CjCGGYd8MdH3Flk+y0KqpIr5djx7Kc3afKRVb8txcQCw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:58:31.865902Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0603799","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6bdb102bd71c39414ee5d36dbcd501c12d0e5ad344b6c28ce82d3f995334155f","sha256:109b8bb05f90bce78b99a39da61ab56d359aeb96b925cef04869b3c1507924e4"],"state_sha256":"4feb77beb3b4029e7c200a3a995af11fe92a7a70337a333f0d1123c0c74b18eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kfsn7270f97oRcWXXwp2TwN+vguYRHbuCO1RBR4H5uhP2O+KTUEFA0ugjjzouGvQ1/ZE2glJb1hQTg7HgwZxBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T10:54:17.397633Z","bundle_sha256":"feb457b8a49e03b775094a62d2a521737e52e07df94110d4cedae5dc4680c1b1"}}