{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:IDC7HNQRN2HHBP2NECXCSQ6UJR","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":"c7a32a04384e320819a3e042188c1b6e507395949bd309bb1f3065d49ecd2052","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-08T19:00:01Z","title_canon_sha256":"fa028484fd0f83e9fc14c5759289e5e46204675822e13e69ddba5cd056fbe334"},"schema_version":"1.0","source":{"id":"2102.04467","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.04467","created_at":"2026-07-05T03:19:05Z"},{"alias_kind":"arxiv_version","alias_value":"2102.04467v2","created_at":"2026-07-05T03:19:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.04467","created_at":"2026-07-05T03:19:05Z"},{"alias_kind":"pith_short_12","alias_value":"IDC7HNQRN2HH","created_at":"2026-07-05T03:19:05Z"},{"alias_kind":"pith_short_16","alias_value":"IDC7HNQRN2HHBP2N","created_at":"2026-07-05T03:19:05Z"},{"alias_kind":"pith_short_8","alias_value":"IDC7HNQR","created_at":"2026-07-05T03:19:05Z"}],"graph_snapshots":[{"event_id":"sha256:df727d686bbc1abe4c783c2ce1680d1580dfbf006e9b5c9f27a5d90ea4b255ff","target":"graph","created_at":"2026-07-05T03:19:05Z","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/2102.04467/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Long-term neutrino-radiation hydrodynamics simulations in full general relativity are performed for the collapse of rotating massive stars that are evolved from He-stars with their initial mass of $20$ and $32M_\\odot$. It is shown that if the collapsing stellar core has sufficient angular momentum, the rotationally-supported proto-neutron star (PNS) survives for seconds accompanying the formation of a massive torus of mass larger than $1\\,M_\\odot$. Subsequent mass accretion onto the central region produces a massive and compact central object, and eventually enhances the neutrino luminosity be","authors_text":"Koh Takahashi, Masaru Shibata, Sho Fujibayashi, Yuichiro Sekiguchi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-08T19:00:01Z","title":"Ultra-delayed neutrino-driven explosion of rotating massive-star collapse"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.04467","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:ad09d3fd347a2005dc95b0b36ee068d5d13db4f6d9b00f17390f3c8b74b263ea","target":"record","created_at":"2026-07-05T03:19:05Z","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":"c7a32a04384e320819a3e042188c1b6e507395949bd309bb1f3065d49ecd2052","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-02-08T19:00:01Z","title_canon_sha256":"fa028484fd0f83e9fc14c5759289e5e46204675822e13e69ddba5cd056fbe334"},"schema_version":"1.0","source":{"id":"2102.04467","kind":"arxiv","version":2}},"canonical_sha256":"40c5f3b6116e8e70bf4d20ae2943d44c410472df19bb8e130def74ecbcb4196a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"40c5f3b6116e8e70bf4d20ae2943d44c410472df19bb8e130def74ecbcb4196a","first_computed_at":"2026-07-05T03:19:05.160020Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:19:05.160020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PQVeOQb7rZkCRiuQmyJ7Cv5h+FfcSAlTMixsBuYRLweiQxtILKpysocOxU6G9oar5AmRP9AXOLfHyGDYQi4xCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:19:05.160515Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.04467","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad09d3fd347a2005dc95b0b36ee068d5d13db4f6d9b00f17390f3c8b74b263ea","sha256:df727d686bbc1abe4c783c2ce1680d1580dfbf006e9b5c9f27a5d90ea4b255ff"],"state_sha256":"0b0ed5af760e11547d604b90329d51ba014d6904d288da902cab08f5ef7ea783"}