{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:IRGWSUV2KGVYPCRNBPNKJU6WVE","short_pith_number":"pith:IRGWSUV2","schema_version":"1.0","canonical_sha256":"444d6952ba51ab878a2d0bdaa4d3d6a90bb5df548f20c27181bc0e7b1de42155","source":{"kind":"arxiv","id":"0903.1949","version":1},"attestation_state":"computed","paper":{"title":"A 3D radiative transfer framework: IV. spherical & cylindrical coordinate systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"E. Baron, Peter H. Hauschildt","submitted_at":"2009-03-11T11:04:35Z","abstract_excerpt":"We extend our framework for 3D radiative transfer calculations with a non-local operator splitting methods along (full) characteristics to spherical and cylindrical coordinate systems. These coordinate systems are better suited to a number of physical problems than Cartesian coordinates. The scattering problem for line transfer is solved via means of an operator splitting (OS) technique. The formal solution is based on a full characteristics method. The approximate $\\Lambda$ operator is constructed considering nearest neighbors exactly. The code is parallelized over both wavelength and solid a"},"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":"0903.1949","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-03-11T11:04:35Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"30c3858528c70007664c082fdba7fe9210c9c73058873574b9c68d1504cdc68c","abstract_canon_sha256":"0bf37053bdff5460501d0611818d27099ed0bfab8c25b1c4db06c579d904f3d1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:35.967578Z","signature_b64":"9D0mmRKMNRSrxI8eJB9j8G/wXrkrJObD+EBqL3kEWVsJ/SfxilG/hcKEFu+GS/sQ+GyWAcoJNkimHEEEWHumAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"444d6952ba51ab878a2d0bdaa4d3d6a90bb5df548f20c27181bc0e7b1de42155","last_reissued_at":"2026-05-18T02:14:35.966932Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:35.966932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A 3D radiative transfer framework: IV. spherical & cylindrical coordinate systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.IM","authors_text":"E. Baron, Peter H. Hauschildt","submitted_at":"2009-03-11T11:04:35Z","abstract_excerpt":"We extend our framework for 3D radiative transfer calculations with a non-local operator splitting methods along (full) characteristics to spherical and cylindrical coordinate systems. These coordinate systems are better suited to a number of physical problems than Cartesian coordinates. The scattering problem for line transfer is solved via means of an operator splitting (OS) technique. The formal solution is based on a full characteristics method. The approximate $\\Lambda$ operator is constructed considering nearest neighbors exactly. The code is parallelized over both wavelength and solid a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.1949","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":"0903.1949","created_at":"2026-05-18T02:14:35.967033+00:00"},{"alias_kind":"arxiv_version","alias_value":"0903.1949v1","created_at":"2026-05-18T02:14:35.967033+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.1949","created_at":"2026-05-18T02:14:35.967033+00:00"},{"alias_kind":"pith_short_12","alias_value":"IRGWSUV2KGVY","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"IRGWSUV2KGVYPCRN","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"IRGWSUV2","created_at":"2026-05-18T12:26:00.592388+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/IRGWSUV2KGVYPCRNBPNKJU6WVE","json":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE.json","graph_json":"https://pith.science/api/pith-number/IRGWSUV2KGVYPCRNBPNKJU6WVE/graph.json","events_json":"https://pith.science/api/pith-number/IRGWSUV2KGVYPCRNBPNKJU6WVE/events.json","paper":"https://pith.science/paper/IRGWSUV2"},"agent_actions":{"view_html":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE","download_json":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE.json","view_paper":"https://pith.science/paper/IRGWSUV2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0903.1949&json=true","fetch_graph":"https://pith.science/api/pith-number/IRGWSUV2KGVYPCRNBPNKJU6WVE/graph.json","fetch_events":"https://pith.science/api/pith-number/IRGWSUV2KGVYPCRNBPNKJU6WVE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE/action/storage_attestation","attest_author":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE/action/author_attestation","sign_citation":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE/action/citation_signature","submit_replication":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE/action/replication_record"}},"created_at":"2026-05-18T02:14:35.967033+00:00","updated_at":"2026-05-18T02:14:35.967033+00:00"}