{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:4SZA7T37KCEIIJZ67VCV6Q37BS","short_pith_number":"pith:4SZA7T37","schema_version":"1.0","canonical_sha256":"e4b20fcf7f508884273efd455f437f0ca00e7afaec0b2895413de6dea51dc8a1","source":{"kind":"arxiv","id":"1504.01202","version":1},"attestation_state":"computed","paper":{"title":"Can very massive Population III stars produce a super-collapsar?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alexandra Kozyreva, Jisu Kang, Sung-Chul Yoon","submitted_at":"2015-04-06T04:37:39Z","abstract_excerpt":"A fraction of the first generation of stars in the early Universe may be very massive ($\\gtrsim 300~\\mathrm{M_\\odot}$) as they form in metal-free environments. Formation of black holes from these stars can be accompanied by supermassive collapsars to produce long gamma-ray bursts of a unique type having a very high total energy ($\\sim 10^{54}~\\mathrm{erg}$) as recently suggested by several authors. We present new stellar evolution models of very massive Population III stars including the effect of rotation to provide theoretical constraints on super-collapsar progenitors. We find that the angu"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1504.01202","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-04-06T04:37:39Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"81a35cb26240d180aacc1d033071b5cc1ee63801f464ebd026fa591a2e7ce4a6","abstract_canon_sha256":"aebc9a2159327edb0c7ea02e86f240b89afa66f384962b41d563e07aad28e441"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:49.227202Z","signature_b64":"pc/INbUOf3UW4o1t4DU32eazQ7inkdFPIuGYSMviRSG95+Gnvm7p0i3bh/d2xtixNxMzSMF15K00zBaQCQM6CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e4b20fcf7f508884273efd455f437f0ca00e7afaec0b2895413de6dea51dc8a1","last_reissued_at":"2026-05-18T01:40:49.226627Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:49.226627Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Can very massive Population III stars produce a super-collapsar?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alexandra Kozyreva, Jisu Kang, Sung-Chul Yoon","submitted_at":"2015-04-06T04:37:39Z","abstract_excerpt":"A fraction of the first generation of stars in the early Universe may be very massive ($\\gtrsim 300~\\mathrm{M_\\odot}$) as they form in metal-free environments. Formation of black holes from these stars can be accompanied by supermassive collapsars to produce long gamma-ray bursts of a unique type having a very high total energy ($\\sim 10^{54}~\\mathrm{erg}$) as recently suggested by several authors. We present new stellar evolution models of very massive Population III stars including the effect of rotation to provide theoretical constraints on super-collapsar progenitors. We find that the angu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.01202","kind":"arxiv","version":1},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1504.01202","created_at":"2026-05-18T01:40:49.226713+00:00"},{"alias_kind":"arxiv_version","alias_value":"1504.01202v1","created_at":"2026-05-18T01:40:49.226713+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.01202","created_at":"2026-05-18T01:40:49.226713+00:00"},{"alias_kind":"pith_short_12","alias_value":"4SZA7T37KCEI","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"4SZA7T37KCEIIJZ6","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"4SZA7T37","created_at":"2026-05-18T12:29:05.191682+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4SZA7T37KCEIIJZ67VCV6Q37BS","json":"https://pith.science/pith/4SZA7T37KCEIIJZ67VCV6Q37BS.json","graph_json":"https://pith.science/api/pith-number/4SZA7T37KCEIIJZ67VCV6Q37BS/graph.json","events_json":"https://pith.science/api/pith-number/4SZA7T37KCEIIJZ67VCV6Q37BS/events.json","paper":"https://pith.science/paper/4SZA7T37"},"agent_actions":{"view_html":"https://pith.science/pith/4SZA7T37KCEIIJZ67VCV6Q37BS","download_json":"https://pith.science/pith/4SZA7T37KCEIIJZ67VCV6Q37BS.json","view_paper":"https://pith.science/paper/4SZA7T37","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1504.01202&json=true","fetch_graph":"https://pith.science/api/pith-number/4SZA7T37KCEIIJZ67VCV6Q37BS/graph.json","fetch_events":"https://pith.science/api/pith-number/4SZA7T37KCEIIJZ67VCV6Q37BS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4SZA7T37KCEIIJZ67VCV6Q37BS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4SZA7T37KCEIIJZ67VCV6Q37BS/action/storage_attestation","attest_author":"https://pith.science/pith/4SZA7T37KCEIIJZ67VCV6Q37BS/action/author_attestation","sign_citation":"https://pith.science/pith/4SZA7T37KCEIIJZ67VCV6Q37BS/action/citation_signature","submit_replication":"https://pith.science/pith/4SZA7T37KCEIIJZ67VCV6Q37BS/action/replication_record"}},"created_at":"2026-05-18T01:40:49.226713+00:00","updated_at":"2026-05-18T01:40:49.226713+00:00"}