{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:QZOVZFSNEU3IDRGWG5XHWJXXJC","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":"6e881729fd85951294b2962a6d355f614a3cca091f4cc0acb511fc03cc71dca3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-08-26T06:44:51Z","title_canon_sha256":"84b72e58aa8a5b1fe47053b0f452debe6fbb92125f18573151b2bb5ff9c11c69"},"schema_version":"1.0","source":{"id":"2008.11404","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.11404","created_at":"2026-07-05T02:22:37Z"},{"alias_kind":"arxiv_version","alias_value":"2008.11404v2","created_at":"2026-07-05T02:22:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.11404","created_at":"2026-07-05T02:22:37Z"},{"alias_kind":"pith_short_12","alias_value":"QZOVZFSNEU3I","created_at":"2026-07-05T02:22:37Z"},{"alias_kind":"pith_short_16","alias_value":"QZOVZFSNEU3IDRGW","created_at":"2026-07-05T02:22:37Z"},{"alias_kind":"pith_short_8","alias_value":"QZOVZFSN","created_at":"2026-07-05T02:22:37Z"}],"graph_snapshots":[{"event_id":"sha256:e6bb1324438c30888d7595619d711b7cd83cf7db9fb7266494635bf70ff318ed","target":"graph","created_at":"2026-07-05T02:22:37Z","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/2008.11404/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Fast Blue Optical Transient (FBOT) ATLAS18qqn (AT2018cow) has a light curve as bright as superluminous supernovae but rises and falls much faster. We model this light curve by circumstellar interaction of a pulsational pair-instability (PPI) supernova (SN) model based on our PPISN models studied in previous work. We focus on the 42 $M_\\odot$ He star (core of a 80 $M_{\\odot}$ star) which has circumstellar matter of mass 0.50 $M_\\odot$. With the parameterized mass cut and the kinetic energy of explosion $E$, we perform hydrodynamical calculations of nucleosynthesis and optical light curves o","authors_text":"Alexey Tolstov, Elena Sorokina, Ken'ichi Nomoto, Petr Baklanov, Sergei Blinnikov, Shing-Chi Leung","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-08-26T06:44:51Z","title":"A Model for Fast Blue Optical Transient AT2018Cow: Circumstellar Interaction of a Pulsational Pair-instability Supernova"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.11404","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":"sha256:70b8f0bea81a910cdf89b3168b373d8489268afed0c0f2915333c85b6f4d2484","target":"record","created_at":"2026-07-05T02:22:37Z","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":"6e881729fd85951294b2962a6d355f614a3cca091f4cc0acb511fc03cc71dca3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-08-26T06:44:51Z","title_canon_sha256":"84b72e58aa8a5b1fe47053b0f452debe6fbb92125f18573151b2bb5ff9c11c69"},"schema_version":"1.0","source":{"id":"2008.11404","kind":"arxiv","version":2}},"canonical_sha256":"865d5c964d253681c4d6376e7b26f74885b7fbcdc0e5038bd11976ea67727bff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"865d5c964d253681c4d6376e7b26f74885b7fbcdc0e5038bd11976ea67727bff","first_computed_at":"2026-07-05T02:22:37.807446Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:22:37.807446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7y00+tZnFo3Mop3UT6XFv+GTU/V4ULueUkT4FuP9I7pAyGokNvajRmHCeIJrIkvfm2G+cUDjLt6eB/iM3t29BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:22:37.807948Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.11404","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70b8f0bea81a910cdf89b3168b373d8489268afed0c0f2915333c85b6f4d2484","sha256:e6bb1324438c30888d7595619d711b7cd83cf7db9fb7266494635bf70ff318ed"],"state_sha256":"a52c8450acf7823cf20174f97111881b3743949cee08ed8fd9158f5384c373c1"}