{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:MIFOAR76NFFWZ2YIW6RL4IIWXV","short_pith_number":"pith:MIFOAR76","canonical_record":{"source":{"id":"2303.17383","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-03-30T13:51:02Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"2036bf663042edbf701e327d70202cd5957b56b75925f7b4f0633666b000c159","abstract_canon_sha256":"373ae08783a39e9ed35236773dab71c9dc6bd6a077fb49d81ae7c29833d2fd61"},"schema_version":"1.0"},"canonical_sha256":"620ae047fe694b6ceb08b7a2be2116bd57912e74aa8153768a6e9224591194ad","source":{"kind":"arxiv","id":"2303.17383","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.17383","created_at":"2026-07-05T07:18:25Z"},{"alias_kind":"arxiv_version","alias_value":"2303.17383v2","created_at":"2026-07-05T07:18:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.17383","created_at":"2026-07-05T07:18:25Z"},{"alias_kind":"pith_short_12","alias_value":"MIFOAR76NFFW","created_at":"2026-07-05T07:18:25Z"},{"alias_kind":"pith_short_16","alias_value":"MIFOAR76NFFWZ2YI","created_at":"2026-07-05T07:18:25Z"},{"alias_kind":"pith_short_8","alias_value":"MIFOAR76","created_at":"2026-07-05T07:18:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:MIFOAR76NFFWZ2YIW6RL4IIWXV","target":"record","payload":{"canonical_record":{"source":{"id":"2303.17383","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-03-30T13:51:02Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"2036bf663042edbf701e327d70202cd5957b56b75925f7b4f0633666b000c159","abstract_canon_sha256":"373ae08783a39e9ed35236773dab71c9dc6bd6a077fb49d81ae7c29833d2fd61"},"schema_version":"1.0"},"canonical_sha256":"620ae047fe694b6ceb08b7a2be2116bd57912e74aa8153768a6e9224591194ad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:18:25.433811Z","signature_b64":"O/AGIKosHzBVMKf8ZO2exKEGexrZ/PYhWv3dvbCRufigjjkJiCXfMmY41JITtOpz44pyiDvIwIgJzEXEpsdeCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"620ae047fe694b6ceb08b7a2be2116bd57912e74aa8153768a6e9224591194ad","last_reissued_at":"2026-07-05T07:18:25.433300Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:18:25.433300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.17383","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":"2026-07-05T07:18:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g0VxiR+fo7TNSrsqttrONthmIUX+2pUV5L1akYy+TLnEX433eg6v8iC6q+B8xMKmyDdDR4w1Sf5HvS5z/pFZAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:19:37.962504Z"},"content_sha256":"692a91da9780f90fa7e24a13184b69ebde2a1d709fc440d292e276f70c7b2d41","schema_version":"1.0","event_id":"sha256:692a91da9780f90fa7e24a13184b69ebde2a1d709fc440d292e276f70c7b2d41"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:MIFOAR76NFFWZ2YIW6RL4IIWXV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-thermal moduli production during preheating in $\\alpha$-attractor inflation models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"H. V. Ragavendra, Khursid Alam, Koushik Dutta, Mar Bastero-Gil","submitted_at":"2023-03-30T13:51:02Z","abstract_excerpt":"Production of gravitationally coupled light moduli fields must be suppressed in the early universe, so that its decay products do not alter Big Bang Nucleosynthesis (BBN) predictions for light elements. On the other hand, the moduli quanta can be copiously produced non-thermally during preheating after the end of inflation. In this work, we study the production of moduli in the $\\alpha$-attractor inflationary model through parametric resonances. For our case, where the inflationary potential at its minimum is quartic, the inflaton field self-resonates, and subsequently induces large production"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.17383","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2303.17383/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":"2026-07-05T07:18:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NhzJ/1L9AQ8Mft4ZnAC0QXmADOh2wXBdraCQC3Fnxh97HTLNHlGNvRKJizuGeguiHirCp6sdYxGT4rNYWQdTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T12:19:37.962876Z"},"content_sha256":"b5c78bf9b80bbee70f92a88d30580a25a6cbfab1901fad3f25f0bfb86d6c4904","schema_version":"1.0","event_id":"sha256:b5c78bf9b80bbee70f92a88d30580a25a6cbfab1901fad3f25f0bfb86d6c4904"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MIFOAR76NFFWZ2YIW6RL4IIWXV/bundle.json","state_url":"https://pith.science/pith/MIFOAR76NFFWZ2YIW6RL4IIWXV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MIFOAR76NFFWZ2YIW6RL4IIWXV/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":"2026-07-05T12:19:37Z","links":{"resolver":"https://pith.science/pith/MIFOAR76NFFWZ2YIW6RL4IIWXV","bundle":"https://pith.science/pith/MIFOAR76NFFWZ2YIW6RL4IIWXV/bundle.json","state":"https://pith.science/pith/MIFOAR76NFFWZ2YIW6RL4IIWXV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MIFOAR76NFFWZ2YIW6RL4IIWXV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:MIFOAR76NFFWZ2YIW6RL4IIWXV","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":"373ae08783a39e9ed35236773dab71c9dc6bd6a077fb49d81ae7c29833d2fd61","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-03-30T13:51:02Z","title_canon_sha256":"2036bf663042edbf701e327d70202cd5957b56b75925f7b4f0633666b000c159"},"schema_version":"1.0","source":{"id":"2303.17383","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.17383","created_at":"2026-07-05T07:18:25Z"},{"alias_kind":"arxiv_version","alias_value":"2303.17383v2","created_at":"2026-07-05T07:18:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.17383","created_at":"2026-07-05T07:18:25Z"},{"alias_kind":"pith_short_12","alias_value":"MIFOAR76NFFW","created_at":"2026-07-05T07:18:25Z"},{"alias_kind":"pith_short_16","alias_value":"MIFOAR76NFFWZ2YI","created_at":"2026-07-05T07:18:25Z"},{"alias_kind":"pith_short_8","alias_value":"MIFOAR76","created_at":"2026-07-05T07:18:25Z"}],"graph_snapshots":[{"event_id":"sha256:b5c78bf9b80bbee70f92a88d30580a25a6cbfab1901fad3f25f0bfb86d6c4904","target":"graph","created_at":"2026-07-05T07:18:25Z","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/2303.17383/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Production of gravitationally coupled light moduli fields must be suppressed in the early universe, so that its decay products do not alter Big Bang Nucleosynthesis (BBN) predictions for light elements. On the other hand, the moduli quanta can be copiously produced non-thermally during preheating after the end of inflation. In this work, we study the production of moduli in the $\\alpha$-attractor inflationary model through parametric resonances. For our case, where the inflationary potential at its minimum is quartic, the inflaton field self-resonates, and subsequently induces large production","authors_text":"H. V. Ragavendra, Khursid Alam, Koushik Dutta, Mar Bastero-Gil","cross_cats":["gr-qc","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-03-30T13:51:02Z","title":"Non-thermal moduli production during preheating in $\\alpha$-attractor inflation models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.17383","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":"sha256:692a91da9780f90fa7e24a13184b69ebde2a1d709fc440d292e276f70c7b2d41","target":"record","created_at":"2026-07-05T07:18:25Z","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":"373ae08783a39e9ed35236773dab71c9dc6bd6a077fb49d81ae7c29833d2fd61","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-03-30T13:51:02Z","title_canon_sha256":"2036bf663042edbf701e327d70202cd5957b56b75925f7b4f0633666b000c159"},"schema_version":"1.0","source":{"id":"2303.17383","kind":"arxiv","version":2}},"canonical_sha256":"620ae047fe694b6ceb08b7a2be2116bd57912e74aa8153768a6e9224591194ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"620ae047fe694b6ceb08b7a2be2116bd57912e74aa8153768a6e9224591194ad","first_computed_at":"2026-07-05T07:18:25.433300Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:18:25.433300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O/AGIKosHzBVMKf8ZO2exKEGexrZ/PYhWv3dvbCRufigjjkJiCXfMmY41JITtOpz44pyiDvIwIgJzEXEpsdeCw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:18:25.433811Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.17383","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:692a91da9780f90fa7e24a13184b69ebde2a1d709fc440d292e276f70c7b2d41","sha256:b5c78bf9b80bbee70f92a88d30580a25a6cbfab1901fad3f25f0bfb86d6c4904"],"state_sha256":"86b47f8c037b84f5b50d0d8585838219bb06c14a1ab0370bae7c2f2da41ff51b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZQrE+G+I9Qxpd+ZZxSx0xJi4ME8+P6rvng0ST14cLivNxOhQrw3wKtoGNKXZuFPRdR3o1cRfMIVazS4x/eAuCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T12:19:37.964921Z","bundle_sha256":"d40dd0db22577fde5ad5c19fe80501248d38b6f811c014e70b7fa5469b0e78f5"}}