{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:ZACNBQSF3HJQGG3GD5HJZHSZY4","short_pith_number":"pith:ZACNBQSF","canonical_record":{"source":{"id":"1412.0112","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-11-29T14:45:31Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"962067935742b06f3f58bc92049ffe029d81fa3c123bac750028cb7e48dcd394","abstract_canon_sha256":"4482b4381a9619133dbb3907c7741a19cab80558892ba7e1ba27228f967ca500"},"schema_version":"1.0"},"canonical_sha256":"c804d0c245d9d3031b661f4e9c9e59c7216ea388c8ab5fb03a6379fbb91e3b71","source":{"kind":"arxiv","id":"1412.0112","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.0112","created_at":"2026-05-18T01:32:10Z"},{"alias_kind":"arxiv_version","alias_value":"1412.0112v2","created_at":"2026-05-18T01:32:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.0112","created_at":"2026-05-18T01:32:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZACNBQSF3HJQ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZACNBQSF3HJQGG3G","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZACNBQSF","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:ZACNBQSF3HJQGG3GD5HJZHSZY4","target":"record","payload":{"canonical_record":{"source":{"id":"1412.0112","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-11-29T14:45:31Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"962067935742b06f3f58bc92049ffe029d81fa3c123bac750028cb7e48dcd394","abstract_canon_sha256":"4482b4381a9619133dbb3907c7741a19cab80558892ba7e1ba27228f967ca500"},"schema_version":"1.0"},"canonical_sha256":"c804d0c245d9d3031b661f4e9c9e59c7216ea388c8ab5fb03a6379fbb91e3b71","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:10.651699Z","signature_b64":"4a6+tsYnVG738IXFdkzLJrlt/Idq+ALy9z+zj8gJ06jz5dNDJDa/EJdMGXKcKV/3717f+ogJpGF1UfmPlv+gDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c804d0c245d9d3031b661f4e9c9e59c7216ea388c8ab5fb03a6379fbb91e3b71","last_reissued_at":"2026-05-18T01:32:10.650982Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:10.650982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.0112","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":"2026-05-18T01:32:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RbHIqIvjWnf7zi+tBb1l1TA7C4Y5+8PD8b8BLpDTTXu4cwb5HJ4Sjc2qJDk8IzaQ7juyK+RI0AWrFSbu+EfNAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:20:13.310129Z"},"content_sha256":"f9654af921080a6346301ea60db6fa3206423bbc7f59eb6cd73a04c59d53b608","schema_version":"1.0","event_id":"sha256:f9654af921080a6346301ea60db6fa3206423bbc7f59eb6cd73a04c59d53b608"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:ZACNBQSF3HJQGG3GD5HJZHSZY4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shape of the inflaton potential and the efficiency of the universe heating","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"A.D. Dolgov, A.S. Rudenko, A.V. Popov","submitted_at":"2014-11-29T14:45:31Z","abstract_excerpt":"It is shown that the efficiency of the universe heating by an inflaton field depends not only on the possible presence of parametric resonance in the production of scalar particles but also strongly depends on the character of the inflaton approach to its mechanical equilibrium point. In particular, when the inflaton oscillations deviate from pure harmonic ones toward a succession of step functions, the production probability rises by several orders of magnitude. This in turn leads to a much higher temperature of the universe after the inflaton decay, in comparison to the harmonic case. An exa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.0112","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":"2026-05-18T01:32:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XcUpzAYysAaJ0pO1v7vcNRWj1H0IjYd8vuqtjfgmpyyNti//Uh+x1MXg8bIKtdhPEOITg+QEgVtkjGmVjs/qDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:20:13.310886Z"},"content_sha256":"bad4cc8d4e9083412955f4f5d1ea77e1f21665e64a8fa4dbaa4307af87820caa","schema_version":"1.0","event_id":"sha256:bad4cc8d4e9083412955f4f5d1ea77e1f21665e64a8fa4dbaa4307af87820caa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZACNBQSF3HJQGG3GD5HJZHSZY4/bundle.json","state_url":"https://pith.science/pith/ZACNBQSF3HJQGG3GD5HJZHSZY4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZACNBQSF3HJQGG3GD5HJZHSZY4/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":"2026-05-26T20:20:13Z","links":{"resolver":"https://pith.science/pith/ZACNBQSF3HJQGG3GD5HJZHSZY4","bundle":"https://pith.science/pith/ZACNBQSF3HJQGG3GD5HJZHSZY4/bundle.json","state":"https://pith.science/pith/ZACNBQSF3HJQGG3GD5HJZHSZY4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZACNBQSF3HJQGG3GD5HJZHSZY4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ZACNBQSF3HJQGG3GD5HJZHSZY4","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":"4482b4381a9619133dbb3907c7741a19cab80558892ba7e1ba27228f967ca500","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-11-29T14:45:31Z","title_canon_sha256":"962067935742b06f3f58bc92049ffe029d81fa3c123bac750028cb7e48dcd394"},"schema_version":"1.0","source":{"id":"1412.0112","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.0112","created_at":"2026-05-18T01:32:10Z"},{"alias_kind":"arxiv_version","alias_value":"1412.0112v2","created_at":"2026-05-18T01:32:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.0112","created_at":"2026-05-18T01:32:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZACNBQSF3HJQ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZACNBQSF3HJQGG3G","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZACNBQSF","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:bad4cc8d4e9083412955f4f5d1ea77e1f21665e64a8fa4dbaa4307af87820caa","target":"graph","created_at":"2026-05-18T01:32:10Z","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":"It is shown that the efficiency of the universe heating by an inflaton field depends not only on the possible presence of parametric resonance in the production of scalar particles but also strongly depends on the character of the inflaton approach to its mechanical equilibrium point. In particular, when the inflaton oscillations deviate from pure harmonic ones toward a succession of step functions, the production probability rises by several orders of magnitude. This in turn leads to a much higher temperature of the universe after the inflaton decay, in comparison to the harmonic case. An exa","authors_text":"A.D. Dolgov, A.S. Rudenko, A.V. Popov","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-11-29T14:45:31Z","title":"Shape of the inflaton potential and the efficiency of the universe heating"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.0112","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:f9654af921080a6346301ea60db6fa3206423bbc7f59eb6cd73a04c59d53b608","target":"record","created_at":"2026-05-18T01:32:10Z","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":"4482b4381a9619133dbb3907c7741a19cab80558892ba7e1ba27228f967ca500","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2014-11-29T14:45:31Z","title_canon_sha256":"962067935742b06f3f58bc92049ffe029d81fa3c123bac750028cb7e48dcd394"},"schema_version":"1.0","source":{"id":"1412.0112","kind":"arxiv","version":2}},"canonical_sha256":"c804d0c245d9d3031b661f4e9c9e59c7216ea388c8ab5fb03a6379fbb91e3b71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c804d0c245d9d3031b661f4e9c9e59c7216ea388c8ab5fb03a6379fbb91e3b71","first_computed_at":"2026-05-18T01:32:10.650982Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:10.650982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4a6+tsYnVG738IXFdkzLJrlt/Idq+ALy9z+zj8gJ06jz5dNDJDa/EJdMGXKcKV/3717f+ogJpGF1UfmPlv+gDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:10.651699Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.0112","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f9654af921080a6346301ea60db6fa3206423bbc7f59eb6cd73a04c59d53b608","sha256:bad4cc8d4e9083412955f4f5d1ea77e1f21665e64a8fa4dbaa4307af87820caa"],"state_sha256":"e1c81d83496888b70d1abf812d21febc210964e9fa3bcb9a1b132a24e9640cf1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q9EiytB6JnqBagbKxSp3ZjM/Ixz9S6JTt+rns03ITkyATrx4L86nEsU1ucH4rzYb+ykDL+dKTYvX8e7r3DTgAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:20:13.314626Z","bundle_sha256":"e30a21d38fdcb970ce9bfefa77aab30e17557a6ec8ca2b610a07d4b0747c3dcd"}}