{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:IRGWSUV2KGVYPCRNBPNKJU6WVE","short_pith_number":"pith:IRGWSUV2","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"},"canonical_sha256":"444d6952ba51ab878a2d0bdaa4d3d6a90bb5df548f20c27181bc0e7b1de42155","source":{"kind":"arxiv","id":"0903.1949","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0903.1949","created_at":"2026-05-18T02:14:35Z"},{"alias_kind":"arxiv_version","alias_value":"0903.1949v1","created_at":"2026-05-18T02:14:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.1949","created_at":"2026-05-18T02:14:35Z"},{"alias_kind":"pith_short_12","alias_value":"IRGWSUV2KGVY","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"IRGWSUV2KGVYPCRN","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"IRGWSUV2","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:IRGWSUV2KGVYPCRNBPNKJU6WVE","target":"record","payload":{"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"},"canonical_sha256":"444d6952ba51ab878a2d0bdaa4d3d6a90bb5df548f20c27181bc0e7b1de42155","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"},"source_kind":"arxiv","source_id":"0903.1949","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:14:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OQ5BroSXWwBKuEFtBJ/HkQmVDtMyC+AcZwo7/eiwcQHULBodVOaagziimOUWaZefN8OsiPXN5LqLW5dwIg4GDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T08:34:25.751940Z"},"content_sha256":"6319de4eafc6bbca9aa374d6d6ee5cd05a78c9b09d17530afa460d6ab0bd6302","schema_version":"1.0","event_id":"sha256:6319de4eafc6bbca9aa374d6d6ee5cd05a78c9b09d17530afa460d6ab0bd6302"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:IRGWSUV2KGVYPCRNBPNKJU6WVE","target":"graph","payload":{"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:14:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"orIdMYspd54bIF9MvJTBJGN6IMxIpDJxuNhAWZCQxGsh9bDXMSQAh7o4Td/5HvkxUC8/OPeEFp+vlyUp2ygfCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T08:34:25.752421Z"},"content_sha256":"1eca0b172926c475f6199634f4467dd7973bf0a9e497e3542ba50d839c34b65b","schema_version":"1.0","event_id":"sha256:1eca0b172926c475f6199634f4467dd7973bf0a9e497e3542ba50d839c34b65b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE/bundle.json","state_url":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-22T08:34:25Z","links":{"resolver":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE","bundle":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE/bundle.json","state":"https://pith.science/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IRGWSUV2KGVYPCRNBPNKJU6WVE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:IRGWSUV2KGVYPCRNBPNKJU6WVE","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":"0bf37053bdff5460501d0611818d27099ed0bfab8c25b1c4db06c579d904f3d1","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-03-11T11:04:35Z","title_canon_sha256":"30c3858528c70007664c082fdba7fe9210c9c73058873574b9c68d1504cdc68c"},"schema_version":"1.0","source":{"id":"0903.1949","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0903.1949","created_at":"2026-05-18T02:14:35Z"},{"alias_kind":"arxiv_version","alias_value":"0903.1949v1","created_at":"2026-05-18T02:14:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.1949","created_at":"2026-05-18T02:14:35Z"},{"alias_kind":"pith_short_12","alias_value":"IRGWSUV2KGVY","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"IRGWSUV2KGVYPCRN","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"IRGWSUV2","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:1eca0b172926c475f6199634f4467dd7973bf0a9e497e3542ba50d839c34b65b","target":"graph","created_at":"2026-05-18T02:14:35Z","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 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","authors_text":"E. Baron, Peter H. Hauschildt","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-03-11T11:04:35Z","title":"A 3D radiative transfer framework: IV. spherical & cylindrical coordinate systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.1949","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":"sha256:6319de4eafc6bbca9aa374d6d6ee5cd05a78c9b09d17530afa460d6ab0bd6302","target":"record","created_at":"2026-05-18T02:14:35Z","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":"0bf37053bdff5460501d0611818d27099ed0bfab8c25b1c4db06c579d904f3d1","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2009-03-11T11:04:35Z","title_canon_sha256":"30c3858528c70007664c082fdba7fe9210c9c73058873574b9c68d1504cdc68c"},"schema_version":"1.0","source":{"id":"0903.1949","kind":"arxiv","version":1}},"canonical_sha256":"444d6952ba51ab878a2d0bdaa4d3d6a90bb5df548f20c27181bc0e7b1de42155","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"444d6952ba51ab878a2d0bdaa4d3d6a90bb5df548f20c27181bc0e7b1de42155","first_computed_at":"2026-05-18T02:14:35.966932Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:35.966932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9D0mmRKMNRSrxI8eJB9j8G/wXrkrJObD+EBqL3kEWVsJ/SfxilG/hcKEFu+GS/sQ+GyWAcoJNkimHEEEWHumAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:35.967578Z","signed_message":"canonical_sha256_bytes"},"source_id":"0903.1949","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6319de4eafc6bbca9aa374d6d6ee5cd05a78c9b09d17530afa460d6ab0bd6302","sha256:1eca0b172926c475f6199634f4467dd7973bf0a9e497e3542ba50d839c34b65b"],"state_sha256":"07a63ad0354e9b6ac61ab84f10d49168e7ba55de6509b0b7c806a157c484595a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OJwQMbx67Tr4U9wrQ4iUf2lBIuW5Yk2xLurTjlRWWp+vJfaGVrOtQ4QT5L4hv7BX45lZ2F/MBWhRTARciewWBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T08:34:25.755482Z","bundle_sha256":"788b0a7a3c50b65f866ff1c6e16ce94d000c0222dff800fb9869ddd92ed7210d"}}