{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:O33FNHU44FPIGAVZJYGGV3JUOC","short_pith_number":"pith:O33FNHU4","schema_version":"1.0","canonical_sha256":"76f6569e9ce15e8302b94e0c6aed3470a384a9ae88fc16fa10b4c7998895644d","source":{"kind":"arxiv","id":"0907.0561","version":1},"attestation_state":"computed","paper":{"title":"Understanding of GRB-SN Connection by General Relativistic MHD Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"S. Nagataki","submitted_at":"2009-07-03T08:55:00Z","abstract_excerpt":"I have developed two numerical codes to investigate the dynamics of collapsars. One is two-dimensional MHD code that are performed using the Newtonian (ZEUS-2D) code where realistic equation of state, neutrino cooling and heating processes are taken into account. The other one is two-dimensional general relativistic magnetohydrodynamic (GRMHD) code. I have performed numerical simulations of collapsars using these codes and realistic progenitor models. In the Newtonian code, it is found that neutrino heating processes are not efficient enough to launch a jet in this study. It is also found that"},"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":"0907.0561","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-07-03T08:55:00Z","cross_cats_sorted":[],"title_canon_sha256":"3cb1e5595b81dcf61dab9e14ecb6e888698908b5d659b2da9bf4f45d1665379f","abstract_canon_sha256":"2e1f023bb7419e5d8beb6b5b58db13e4b42e40bdc79c8d18d246c977261c5120"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:45:30.457404Z","signature_b64":"p8POg2jQwjEQE+soRGkn1+oWhMvtHPx91E3ZfWPLC0Dci12vegn8JpLxbZ2ypmXuSxovihvm13etQ+Qb/Z8SAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76f6569e9ce15e8302b94e0c6aed3470a384a9ae88fc16fa10b4c7998895644d","last_reissued_at":"2026-07-04T15:45:30.457031Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:45:30.457031Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Understanding of GRB-SN Connection by General Relativistic MHD Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"S. Nagataki","submitted_at":"2009-07-03T08:55:00Z","abstract_excerpt":"I have developed two numerical codes to investigate the dynamics of collapsars. One is two-dimensional MHD code that are performed using the Newtonian (ZEUS-2D) code where realistic equation of state, neutrino cooling and heating processes are taken into account. The other one is two-dimensional general relativistic magnetohydrodynamic (GRMHD) code. I have performed numerical simulations of collapsars using these codes and realistic progenitor models. In the Newtonian code, it is found that neutrino heating processes are not efficient enough to launch a jet in this study. It is also found that"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.0561","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0907.0561/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"0907.0561","created_at":"2026-07-04T15:45:30.457091+00:00"},{"alias_kind":"arxiv_version","alias_value":"0907.0561v1","created_at":"2026-07-04T15:45:30.457091+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.0561","created_at":"2026-07-04T15:45:30.457091+00:00"},{"alias_kind":"pith_short_12","alias_value":"O33FNHU44FPI","created_at":"2026-07-04T15:45:30.457091+00:00"},{"alias_kind":"pith_short_16","alias_value":"O33FNHU44FPIGAVZ","created_at":"2026-07-04T15:45:30.457091+00:00"},{"alias_kind":"pith_short_8","alias_value":"O33FNHU4","created_at":"2026-07-04T15:45:30.457091+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/O33FNHU44FPIGAVZJYGGV3JUOC","json":"https://pith.science/pith/O33FNHU44FPIGAVZJYGGV3JUOC.json","graph_json":"https://pith.science/api/pith-number/O33FNHU44FPIGAVZJYGGV3JUOC/graph.json","events_json":"https://pith.science/api/pith-number/O33FNHU44FPIGAVZJYGGV3JUOC/events.json","paper":"https://pith.science/paper/O33FNHU4"},"agent_actions":{"view_html":"https://pith.science/pith/O33FNHU44FPIGAVZJYGGV3JUOC","download_json":"https://pith.science/pith/O33FNHU44FPIGAVZJYGGV3JUOC.json","view_paper":"https://pith.science/paper/O33FNHU4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0907.0561&json=true","fetch_graph":"https://pith.science/api/pith-number/O33FNHU44FPIGAVZJYGGV3JUOC/graph.json","fetch_events":"https://pith.science/api/pith-number/O33FNHU44FPIGAVZJYGGV3JUOC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/O33FNHU44FPIGAVZJYGGV3JUOC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/O33FNHU44FPIGAVZJYGGV3JUOC/action/storage_attestation","attest_author":"https://pith.science/pith/O33FNHU44FPIGAVZJYGGV3JUOC/action/author_attestation","sign_citation":"https://pith.science/pith/O33FNHU44FPIGAVZJYGGV3JUOC/action/citation_signature","submit_replication":"https://pith.science/pith/O33FNHU44FPIGAVZJYGGV3JUOC/action/replication_record"}},"created_at":"2026-07-04T15:45:30.457091+00:00","updated_at":"2026-07-04T15:45:30.457091+00:00"}