{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:LG3KJQECJUG2TCOX2U3SUFV32F","short_pith_number":"pith:LG3KJQEC","canonical_record":{"source":{"id":"1603.02628","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-03-08T19:27:06Z","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-ph"],"title_canon_sha256":"fb3507a5b3ab7ea5887979dea9a4f6fbb1229a7d9b441dd8897ff4a3724987e7","abstract_canon_sha256":"67c00ca2a8747d0a3b38e42c295823e7bd90dec6eb79aae4376d075572b80c96"},"schema_version":"1.0"},"canonical_sha256":"59b6a4c0824d0da989d7d5372a16bbd15b44d72453f0876da480fd81fc9914f6","source":{"kind":"arxiv","id":"1603.02628","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02628","created_at":"2026-05-18T01:00:19Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02628v2","created_at":"2026-05-18T01:00:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02628","created_at":"2026-05-18T01:00:19Z"},{"alias_kind":"pith_short_12","alias_value":"LG3KJQECJUG2","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LG3KJQECJUG2TCOX","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LG3KJQEC","created_at":"2026-05-18T12:30:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:LG3KJQECJUG2TCOX2U3SUFV32F","target":"record","payload":{"canonical_record":{"source":{"id":"1603.02628","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-03-08T19:27:06Z","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-ph"],"title_canon_sha256":"fb3507a5b3ab7ea5887979dea9a4f6fbb1229a7d9b441dd8897ff4a3724987e7","abstract_canon_sha256":"67c00ca2a8747d0a3b38e42c295823e7bd90dec6eb79aae4376d075572b80c96"},"schema_version":"1.0"},"canonical_sha256":"59b6a4c0824d0da989d7d5372a16bbd15b44d72453f0876da480fd81fc9914f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:00:19.494379Z","signature_b64":"slGu8IZ3NxMvU7hMLL/WrZcHEVgrKkPOYkj0bbnL3Zu2Bxkmb8P8XBLMbcaMkFiBxarfJnWsBK7KPhCXOiS9Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"59b6a4c0824d0da989d7d5372a16bbd15b44d72453f0876da480fd81fc9914f6","last_reissued_at":"2026-05-18T01:00:19.493694Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:00:19.493694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.02628","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:00:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Whn5YN1aF/O49iRTDuT9AG80MYpqnmjWliMxdnVmlyBRo3RLddnln+R32ffWJ4suiG/dmE/I53XExHm6LBL7CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:40:35.677565Z"},"content_sha256":"7f3573e7d07b3164f2f3d241712087c87dc21479a21c6b1a7910f948c8545251","schema_version":"1.0","event_id":"sha256:7f3573e7d07b3164f2f3d241712087c87dc21479a21c6b1a7910f948c8545251"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:LG3KJQECJUG2TCOX2U3SUFV32F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Preheating in an Asymptotically Safe Quantum Field Theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Hossein Bazrafshan Moghaddam, Ole Svendsen, Robert Brandenberger","submitted_at":"2016-03-08T19:27:06Z","abstract_excerpt":"We consider reheating in a class of asymptotically safe quantum field theories recently studied in \\cite{Litim:2014uca, Litim:2015iea}. These theories allow for an inflationary phase in the very early universe. Inflation ends with a period of reheating. Since the models contain many scalar fields which are intrinsically coupled to the inflaton there is the possibility of parametric resonance instability in the production of these fields, and the danger that the induced curvature fluctuations will become too large. Here we show that the parametric instability indeed arises, and that hence the e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02628","kind":"arxiv","version":2},"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":"2026-05-18T01:00:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I4QV9/gxVbDuHEsOGBzyV4zWqnmtVor+C1q/6zbI/5aXjYD83KZNb2yY0Yu2MDE8VrZbA4e/my+9CKrNTOGPBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T20:40:35.677922Z"},"content_sha256":"98012bcc126f2297bb55e1c7b3542338f7e940f4e3fcc2e402974c7e111e1983","schema_version":"1.0","event_id":"sha256:98012bcc126f2297bb55e1c7b3542338f7e940f4e3fcc2e402974c7e111e1983"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LG3KJQECJUG2TCOX2U3SUFV32F/bundle.json","state_url":"https://pith.science/pith/LG3KJQECJUG2TCOX2U3SUFV32F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LG3KJQECJUG2TCOX2U3SUFV32F/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":"2026-05-27T20:40:35Z","links":{"resolver":"https://pith.science/pith/LG3KJQECJUG2TCOX2U3SUFV32F","bundle":"https://pith.science/pith/LG3KJQECJUG2TCOX2U3SUFV32F/bundle.json","state":"https://pith.science/pith/LG3KJQECJUG2TCOX2U3SUFV32F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LG3KJQECJUG2TCOX2U3SUFV32F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:LG3KJQECJUG2TCOX2U3SUFV32F","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":"67c00ca2a8747d0a3b38e42c295823e7bd90dec6eb79aae4376d075572b80c96","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-03-08T19:27:06Z","title_canon_sha256":"fb3507a5b3ab7ea5887979dea9a4f6fbb1229a7d9b441dd8897ff4a3724987e7"},"schema_version":"1.0","source":{"id":"1603.02628","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02628","created_at":"2026-05-18T01:00:19Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02628v2","created_at":"2026-05-18T01:00:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02628","created_at":"2026-05-18T01:00:19Z"},{"alias_kind":"pith_short_12","alias_value":"LG3KJQECJUG2","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LG3KJQECJUG2TCOX","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LG3KJQEC","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:98012bcc126f2297bb55e1c7b3542338f7e940f4e3fcc2e402974c7e111e1983","target":"graph","created_at":"2026-05-18T01:00:19Z","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 consider reheating in a class of asymptotically safe quantum field theories recently studied in \\cite{Litim:2014uca, Litim:2015iea}. These theories allow for an inflationary phase in the very early universe. Inflation ends with a period of reheating. Since the models contain many scalar fields which are intrinsically coupled to the inflaton there is the possibility of parametric resonance instability in the production of these fields, and the danger that the induced curvature fluctuations will become too large. Here we show that the parametric instability indeed arises, and that hence the e","authors_text":"Hossein Bazrafshan Moghaddam, Ole Svendsen, Robert Brandenberger","cross_cats":["astro-ph.CO","gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-03-08T19:27:06Z","title":"Preheating in an Asymptotically Safe Quantum Field Theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02628","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":"sha256:7f3573e7d07b3164f2f3d241712087c87dc21479a21c6b1a7910f948c8545251","target":"record","created_at":"2026-05-18T01:00:19Z","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":"67c00ca2a8747d0a3b38e42c295823e7bd90dec6eb79aae4376d075572b80c96","cross_cats_sorted":["astro-ph.CO","gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-03-08T19:27:06Z","title_canon_sha256":"fb3507a5b3ab7ea5887979dea9a4f6fbb1229a7d9b441dd8897ff4a3724987e7"},"schema_version":"1.0","source":{"id":"1603.02628","kind":"arxiv","version":2}},"canonical_sha256":"59b6a4c0824d0da989d7d5372a16bbd15b44d72453f0876da480fd81fc9914f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"59b6a4c0824d0da989d7d5372a16bbd15b44d72453f0876da480fd81fc9914f6","first_computed_at":"2026-05-18T01:00:19.493694Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:19.493694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"slGu8IZ3NxMvU7hMLL/WrZcHEVgrKkPOYkj0bbnL3Zu2Bxkmb8P8XBLMbcaMkFiBxarfJnWsBK7KPhCXOiS9Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:19.494379Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.02628","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f3573e7d07b3164f2f3d241712087c87dc21479a21c6b1a7910f948c8545251","sha256:98012bcc126f2297bb55e1c7b3542338f7e940f4e3fcc2e402974c7e111e1983"],"state_sha256":"6ecdff027a9b2f0b5e12785a7277c2e3d84ebfa734fbcd03f6127c97e912bd86"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tORyiLHxDWvnJWgPgh4Yjz6DTr1fluOSmtwbvt35TqYwwlhKPoNOLzMWtCiuWO45jAFg5h7j/+2xi8cXSHB+Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T20:40:35.680263Z","bundle_sha256":"9da11f30795895f97c290e92e8d70ba2c7247a05d0a3a430c1af3f9c372aeea2"}}