{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:LTGFWAG3U6DT3WFPFA4P2AW4KN","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":"d9d66a412f475d5a56ff81b1b0420bf7261b88be03cc6553b0036cb561be11b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-12-26T02:36:57Z","title_canon_sha256":"8726de43026118b960de610158001eb43404015bb0f05972b8b1eaf507dfa173"},"schema_version":"1.0","source":{"id":"1312.7043","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.7043","created_at":"2026-05-18T01:45:41Z"},{"alias_kind":"arxiv_version","alias_value":"1312.7043v1","created_at":"2026-05-18T01:45:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.7043","created_at":"2026-05-18T01:45:41Z"},{"alias_kind":"pith_short_12","alias_value":"LTGFWAG3U6DT","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_16","alias_value":"LTGFWAG3U6DT3WFP","created_at":"2026-05-18T12:27:51Z"},{"alias_kind":"pith_short_8","alias_value":"LTGFWAG3","created_at":"2026-05-18T12:27:51Z"}],"graph_snapshots":[{"event_id":"sha256:4d663a22657ce856eb446e02a77e90a0f8252f510c4172f9e4fc299530322d9f","target":"graph","created_at":"2026-05-18T01:45:41Z","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 investigate the possibility of a super-luminous Type Ic core-collapse supernovae producing a large amount of 56Ni. Very massive stars with a main-sequence mass larger than 100 Msun and a metallicity 0.001 < Z < 0.004 are expected to explode as super-luminous Type Ic supernovae. Stars with ~ 110 - 150 Msun and Z < 0.001 would explode as Type Ic pulsational pair-instability supernovae if the whole H and He layers has been lost by the mass loss during pulsational pair-instability. We evaluate the total ejecta mass and the yields of 56Ni, O, and Si in core-collapse supernovae evolved from very ","authors_text":"Hideyuki Umeda, Shinpei Okita, Takashi Yoshida","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-12-26T02:36:57Z","title":"Type Ic core-collapse supernova explosions evolved from very massive stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.7043","kind":"arxiv","version":1},"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:b69230fd72e4325de0be86906c0e020503c0e45db852f8f3984d614f6b74707a","target":"record","created_at":"2026-05-18T01:45:41Z","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":"d9d66a412f475d5a56ff81b1b0420bf7261b88be03cc6553b0036cb561be11b2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-12-26T02:36:57Z","title_canon_sha256":"8726de43026118b960de610158001eb43404015bb0f05972b8b1eaf507dfa173"},"schema_version":"1.0","source":{"id":"1312.7043","kind":"arxiv","version":1}},"canonical_sha256":"5ccc5b00dba7873dd8af2838fd02dc5341cb69c4fcd444265c54995a6be91f87","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ccc5b00dba7873dd8af2838fd02dc5341cb69c4fcd444265c54995a6be91f87","first_computed_at":"2026-05-18T01:45:41.681684Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:41.681684Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ox/VLsTpgHErsheIkkShuUA0UZ1LJ05gfUcF2A2LYC2OGqYPHZUfqyHqkVEQJrb3nRC2lSHn2KOAveel1AGNCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:41.682424Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.7043","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b69230fd72e4325de0be86906c0e020503c0e45db852f8f3984d614f6b74707a","sha256:4d663a22657ce856eb446e02a77e90a0f8252f510c4172f9e4fc299530322d9f"],"state_sha256":"dc5db7ad57ab21b110675e299586729ffbffa07fd3ee1fcf451ff064b584e746"}