{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:5J2F63BQDP74BK42EG5Q6IIUZE","short_pith_number":"pith:5J2F63BQ","schema_version":"1.0","canonical_sha256":"ea745f6c301bffc0ab9a21bb0f2114c902e549f13ca4c0cd9da9f549d0367bd8","source":{"kind":"arxiv","id":"1001.4796","version":1},"attestation_state":"computed","paper":{"title":"Radiation Magnetohydrodynamics Simulation of Proto-Stellar Collapse: Two-Component Molecular Outflow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Kazuya Saigo, Kengo Tomida, Ken Ohsuga, Kohji Tomisaka, Masahiro N. Machida, Tomoaki Matsumoto","submitted_at":"2010-01-26T21:00:20Z","abstract_excerpt":"We perform a three-dimensional nested-grid radiation magneto-hydrodynamics (RMHD) simulation with self-gravity to study the early phase of the low-mass star formation process from a rotating molecular cloud core to a first adiabatic core just before the second collapse begins. Radiation transfer is handled with the flux-limited diffusion approximation, operator-splitting and implicit time-integrator. In the RMHD simulation, the outer region of the first core attains a higher entropy and the size of first core is larger than that in the magnetohydrodynamics simulations with the barotropic appro"},"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":"1001.4796","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-26T21:00:20Z","cross_cats_sorted":[],"title_canon_sha256":"472bc6b2842465bba8317eb32ab2f04ebbf147414899aa0dfee4a79858beec7c","abstract_canon_sha256":"c0f1eec6012c36cdacfee945aed03a3d78c4ca2daafb0ffa609d317a6d663299"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:34:01.439800Z","signature_b64":"POzxnh02z2LV5aolhfRNfK/uMvWuYOTlCO20ubxURDT/SSbu6wXo823Ow1WJ2GeXXnkmb51YZ17XaLL0/pzVBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea745f6c301bffc0ab9a21bb0f2114c902e549f13ca4c0cd9da9f549d0367bd8","last_reissued_at":"2026-05-18T04:34:01.439338Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:34:01.439338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Radiation Magnetohydrodynamics Simulation of Proto-Stellar Collapse: Two-Component Molecular Outflow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Kazuya Saigo, Kengo Tomida, Ken Ohsuga, Kohji Tomisaka, Masahiro N. Machida, Tomoaki Matsumoto","submitted_at":"2010-01-26T21:00:20Z","abstract_excerpt":"We perform a three-dimensional nested-grid radiation magneto-hydrodynamics (RMHD) simulation with self-gravity to study the early phase of the low-mass star formation process from a rotating molecular cloud core to a first adiabatic core just before the second collapse begins. Radiation transfer is handled with the flux-limited diffusion approximation, operator-splitting and implicit time-integrator. In the RMHD simulation, the outer region of the first core attains a higher entropy and the size of first core is larger than that in the magnetohydrodynamics simulations with the barotropic appro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.4796","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":"1001.4796","created_at":"2026-05-18T04:34:01.439422+00:00"},{"alias_kind":"arxiv_version","alias_value":"1001.4796v1","created_at":"2026-05-18T04:34:01.439422+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.4796","created_at":"2026-05-18T04:34:01.439422+00:00"},{"alias_kind":"pith_short_12","alias_value":"5J2F63BQDP74","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_16","alias_value":"5J2F63BQDP74BK42","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_8","alias_value":"5J2F63BQ","created_at":"2026-05-18T12:26:04.259169+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/5J2F63BQDP74BK42EG5Q6IIUZE","json":"https://pith.science/pith/5J2F63BQDP74BK42EG5Q6IIUZE.json","graph_json":"https://pith.science/api/pith-number/5J2F63BQDP74BK42EG5Q6IIUZE/graph.json","events_json":"https://pith.science/api/pith-number/5J2F63BQDP74BK42EG5Q6IIUZE/events.json","paper":"https://pith.science/paper/5J2F63BQ"},"agent_actions":{"view_html":"https://pith.science/pith/5J2F63BQDP74BK42EG5Q6IIUZE","download_json":"https://pith.science/pith/5J2F63BQDP74BK42EG5Q6IIUZE.json","view_paper":"https://pith.science/paper/5J2F63BQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1001.4796&json=true","fetch_graph":"https://pith.science/api/pith-number/5J2F63BQDP74BK42EG5Q6IIUZE/graph.json","fetch_events":"https://pith.science/api/pith-number/5J2F63BQDP74BK42EG5Q6IIUZE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5J2F63BQDP74BK42EG5Q6IIUZE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5J2F63BQDP74BK42EG5Q6IIUZE/action/storage_attestation","attest_author":"https://pith.science/pith/5J2F63BQDP74BK42EG5Q6IIUZE/action/author_attestation","sign_citation":"https://pith.science/pith/5J2F63BQDP74BK42EG5Q6IIUZE/action/citation_signature","submit_replication":"https://pith.science/pith/5J2F63BQDP74BK42EG5Q6IIUZE/action/replication_record"}},"created_at":"2026-05-18T04:34:01.439422+00:00","updated_at":"2026-05-18T04:34:01.439422+00:00"}