{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:GMFJDLAOF2EZKFK5MJTXCZ7ZA6","short_pith_number":"pith:GMFJDLAO","canonical_record":{"source":{"id":"1107.2270","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-12T12:56:56Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"e5b28cddfca71c27e6c16b0f92c178477d98e026fafbf73f984c5fdf73a55e0c","abstract_canon_sha256":"fbb3e3c973d5dfac3bfb16730b8f39645c93b8fad1dbd31706aeae5170d2ba25"},"schema_version":"1.0"},"canonical_sha256":"330a91ac0e2e8995155d62677167f907a132c6f5c73310eaae3e64f444ddb8ef","source":{"kind":"arxiv","id":"1107.2270","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.2270","created_at":"2026-05-18T03:46:15Z"},{"alias_kind":"arxiv_version","alias_value":"1107.2270v1","created_at":"2026-05-18T03:46:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.2270","created_at":"2026-05-18T03:46:15Z"},{"alias_kind":"pith_short_12","alias_value":"GMFJDLAOF2EZ","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"GMFJDLAOF2EZKFK5","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"GMFJDLAO","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:GMFJDLAOF2EZKFK5MJTXCZ7ZA6","target":"record","payload":{"canonical_record":{"source":{"id":"1107.2270","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-12T12:56:56Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"e5b28cddfca71c27e6c16b0f92c178477d98e026fafbf73f984c5fdf73a55e0c","abstract_canon_sha256":"fbb3e3c973d5dfac3bfb16730b8f39645c93b8fad1dbd31706aeae5170d2ba25"},"schema_version":"1.0"},"canonical_sha256":"330a91ac0e2e8995155d62677167f907a132c6f5c73310eaae3e64f444ddb8ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:15.321803Z","signature_b64":"+P/fNR7BBBUv4TK5Yq26A3peHHN2/bvwc4hdw+mYZBNntT9pAdWxZax9GyedBW2RLZu04p4VpKaxSjpyOi9MDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"330a91ac0e2e8995155d62677167f907a132c6f5c73310eaae3e64f444ddb8ef","last_reissued_at":"2026-05-18T03:46:15.320871Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:15.320871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1107.2270","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":"2026-05-18T03:46:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oumFyzPVO9DajhjPDU6nS/hNstij+uF9iLQ0BqH5b4wdrL+EadqI5NMuuViJ3IyioJwPhYUYmcF1yoJX456zAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:26:59.787117Z"},"content_sha256":"5a02dab325e4277dd2c5de6ea58d59f867e48d42e625bdf4b91f4792ead955be","schema_version":"1.0","event_id":"sha256:5a02dab325e4277dd2c5de6ea58d59f867e48d42e625bdf4b91f4792ead955be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:GMFJDLAOF2EZKFK5MJTXCZ7ZA6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of non-Gaussianity in multi-scalar field models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"David Mulryne, David Seery, Joseph Elliston, Reza Tavakol","submitted_at":"2011-07-12T12:56:56Z","abstract_excerpt":"We study the evolution of non-Gaussianity in multiple-field inflationary models, focusing on three fundamental questions: (a) How is the sign and peak magnitude of the non-linearity parameter fNL related to generic features in the inflationary potential? (b) How sensitive is fNL to the process by which an adiabatic limit is reached, where the curvature perturbation becomes conserved? (c) For a given model, what is the appropriate tool -- analytic or numerical -- to calculate fNL at the adiabatic limit? We summarise recent results obtained by the authors and further elucidate them by considerin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.2270","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":""},"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":"2026-05-18T03:46:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jer3I3rXHKUglcz3l6hqlL++8pqmN7U5hAW/2f8KKNbt2T6p54OlAknKOSfj9eGuZyoDscGNik6l1u0HuJ7VCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:26:59.787837Z"},"content_sha256":"f20706eb7c2815e0ddf0deb8b91fc8002bd9ac1c5f1226681791038165f71bff","schema_version":"1.0","event_id":"sha256:f20706eb7c2815e0ddf0deb8b91fc8002bd9ac1c5f1226681791038165f71bff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GMFJDLAOF2EZKFK5MJTXCZ7ZA6/bundle.json","state_url":"https://pith.science/pith/GMFJDLAOF2EZKFK5MJTXCZ7ZA6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GMFJDLAOF2EZKFK5MJTXCZ7ZA6/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":"2026-05-25T16:26:59Z","links":{"resolver":"https://pith.science/pith/GMFJDLAOF2EZKFK5MJTXCZ7ZA6","bundle":"https://pith.science/pith/GMFJDLAOF2EZKFK5MJTXCZ7ZA6/bundle.json","state":"https://pith.science/pith/GMFJDLAOF2EZKFK5MJTXCZ7ZA6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GMFJDLAOF2EZKFK5MJTXCZ7ZA6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:GMFJDLAOF2EZKFK5MJTXCZ7ZA6","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":"fbb3e3c973d5dfac3bfb16730b8f39645c93b8fad1dbd31706aeae5170d2ba25","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-12T12:56:56Z","title_canon_sha256":"e5b28cddfca71c27e6c16b0f92c178477d98e026fafbf73f984c5fdf73a55e0c"},"schema_version":"1.0","source":{"id":"1107.2270","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.2270","created_at":"2026-05-18T03:46:15Z"},{"alias_kind":"arxiv_version","alias_value":"1107.2270v1","created_at":"2026-05-18T03:46:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.2270","created_at":"2026-05-18T03:46:15Z"},{"alias_kind":"pith_short_12","alias_value":"GMFJDLAOF2EZ","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"GMFJDLAOF2EZKFK5","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"GMFJDLAO","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:f20706eb7c2815e0ddf0deb8b91fc8002bd9ac1c5f1226681791038165f71bff","target":"graph","created_at":"2026-05-18T03:46:15Z","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":"We study the evolution of non-Gaussianity in multiple-field inflationary models, focusing on three fundamental questions: (a) How is the sign and peak magnitude of the non-linearity parameter fNL related to generic features in the inflationary potential? (b) How sensitive is fNL to the process by which an adiabatic limit is reached, where the curvature perturbation becomes conserved? (c) For a given model, what is the appropriate tool -- analytic or numerical -- to calculate fNL at the adiabatic limit? We summarise recent results obtained by the authors and further elucidate them by considerin","authors_text":"David Mulryne, David Seery, Joseph Elliston, Reza Tavakol","cross_cats":["gr-qc","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-12T12:56:56Z","title":"Evolution of non-Gaussianity in multi-scalar field models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.2270","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":"sha256:5a02dab325e4277dd2c5de6ea58d59f867e48d42e625bdf4b91f4792ead955be","target":"record","created_at":"2026-05-18T03:46:15Z","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":"fbb3e3c973d5dfac3bfb16730b8f39645c93b8fad1dbd31706aeae5170d2ba25","cross_cats_sorted":["gr-qc","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-12T12:56:56Z","title_canon_sha256":"e5b28cddfca71c27e6c16b0f92c178477d98e026fafbf73f984c5fdf73a55e0c"},"schema_version":"1.0","source":{"id":"1107.2270","kind":"arxiv","version":1}},"canonical_sha256":"330a91ac0e2e8995155d62677167f907a132c6f5c73310eaae3e64f444ddb8ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"330a91ac0e2e8995155d62677167f907a132c6f5c73310eaae3e64f444ddb8ef","first_computed_at":"2026-05-18T03:46:15.320871Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:46:15.320871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+P/fNR7BBBUv4TK5Yq26A3peHHN2/bvwc4hdw+mYZBNntT9pAdWxZax9GyedBW2RLZu04p4VpKaxSjpyOi9MDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:46:15.321803Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.2270","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a02dab325e4277dd2c5de6ea58d59f867e48d42e625bdf4b91f4792ead955be","sha256:f20706eb7c2815e0ddf0deb8b91fc8002bd9ac1c5f1226681791038165f71bff"],"state_sha256":"135475efa32fcbff5ba52fd0a7dd230cbe649836037dbb5b912eb46879fc6e05"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6v5wIc1S1/WSMU8PK+SDPHgankTtmfg3wxRPxqihEZBQUigEZgQKWqP0d/exwG/ARygkW4j8wrDLC+GikKteCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:26:59.791787Z","bundle_sha256":"82a1b2b33b87f112f1c9ba065e319e178c84417c920651b4fbd0f4dc720a209f"}}