{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:TSC4TDZOD67U2EWPOW7DDDDN54","short_pith_number":"pith:TSC4TDZO","canonical_record":{"source":{"id":"1404.4376","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-04-16T20:13:54Z","cross_cats_sorted":[],"title_canon_sha256":"1a23c7f2fd4d8d80cf61a5c4023ac98206fc22c93a25a20c371d9400c06413e3","abstract_canon_sha256":"b8501a8a44d0ae22ed38b4d0fd0f2b75bcc02eea3d778efc4e6c6e678c9635d5"},"schema_version":"1.0"},"canonical_sha256":"9c85c98f2e1fbf4d12cf75be318c6def127e3e8a3d7c7e4439ac4e758d9ee874","source":{"kind":"arxiv","id":"1404.4376","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.4376","created_at":"2026-05-18T02:48:36Z"},{"alias_kind":"arxiv_version","alias_value":"1404.4376v1","created_at":"2026-05-18T02:48:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.4376","created_at":"2026-05-18T02:48:36Z"},{"alias_kind":"pith_short_12","alias_value":"TSC4TDZOD67U","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"TSC4TDZOD67U2EWP","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"TSC4TDZO","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:TSC4TDZOD67U2EWPOW7DDDDN54","target":"record","payload":{"canonical_record":{"source":{"id":"1404.4376","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-04-16T20:13:54Z","cross_cats_sorted":[],"title_canon_sha256":"1a23c7f2fd4d8d80cf61a5c4023ac98206fc22c93a25a20c371d9400c06413e3","abstract_canon_sha256":"b8501a8a44d0ae22ed38b4d0fd0f2b75bcc02eea3d778efc4e6c6e678c9635d5"},"schema_version":"1.0"},"canonical_sha256":"9c85c98f2e1fbf4d12cf75be318c6def127e3e8a3d7c7e4439ac4e758d9ee874","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:48:36.267846Z","signature_b64":"cnSe3YORPmJKkAfYSkytwTIrkEp9fH53CqPDiT8ioIOw2btjjygwyk9YXPtxH0P+lBbxG3vH36tcQyvg7l1DBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9c85c98f2e1fbf4d12cf75be318c6def127e3e8a3d7c7e4439ac4e758d9ee874","last_reissued_at":"2026-05-18T02:48:36.267162Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:48:36.267162Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.4376","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":"2026-05-18T02:48:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FDesCHxZ5UpDZ9Q0r5siGzmsdmrokGl9kNn5O5OmDppg4Afs66MsSurRm+nUdmMAMoEha2jl/a0oBooF++3oBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T01:27:34.130880Z"},"content_sha256":"50a73bc265d44bca537ac0810a2a1bde7f0da20f71160c984788c00c17ef2015","schema_version":"1.0","event_id":"sha256:50a73bc265d44bca537ac0810a2a1bde7f0da20f71160c984788c00c17ef2015"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:TSC4TDZOD67U2EWPOW7DDDDN54","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A 3D radiative transfer framework: XI. multi-level NLTE","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"E. Baron, Peter H. Hauschildt","submitted_at":"2014-04-16T20:13:54Z","abstract_excerpt":"Multi-level non-local thermodynamic equilibrium (NLTE) radiation transfer calculations have become standard throughout the stellar atmospheres community and are applied to all types of stars as well as dynamical systems such as novae and supernovae. Even today spherically symmetric 1D calculations with full physics are computationally intensive. We show that full NLTE calculations can be done with fully 3 dimensional (3D) radiative transfer. With modern computational techniques and current massive parallel computational resources, full detailed solution of the multi-level NLTE problem coupled "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.4376","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":"2026-05-18T02:48:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QsZBSdEup2VXQT45FfN4buApNbEGkz9NUos1atocVNYwuNajh5F8KDNpXH/91ezNVr33MBtlmNOHg1SikATgCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T01:27:34.131553Z"},"content_sha256":"7c1870b0452189bc22b350c917122afe9d57fd624423967b779d3e3a340c9f2b","schema_version":"1.0","event_id":"sha256:7c1870b0452189bc22b350c917122afe9d57fd624423967b779d3e3a340c9f2b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TSC4TDZOD67U2EWPOW7DDDDN54/bundle.json","state_url":"https://pith.science/pith/TSC4TDZOD67U2EWPOW7DDDDN54/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TSC4TDZOD67U2EWPOW7DDDDN54/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":"2026-05-23T01:27:34Z","links":{"resolver":"https://pith.science/pith/TSC4TDZOD67U2EWPOW7DDDDN54","bundle":"https://pith.science/pith/TSC4TDZOD67U2EWPOW7DDDDN54/bundle.json","state":"https://pith.science/pith/TSC4TDZOD67U2EWPOW7DDDDN54/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TSC4TDZOD67U2EWPOW7DDDDN54/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:TSC4TDZOD67U2EWPOW7DDDDN54","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":"b8501a8a44d0ae22ed38b4d0fd0f2b75bcc02eea3d778efc4e6c6e678c9635d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-04-16T20:13:54Z","title_canon_sha256":"1a23c7f2fd4d8d80cf61a5c4023ac98206fc22c93a25a20c371d9400c06413e3"},"schema_version":"1.0","source":{"id":"1404.4376","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.4376","created_at":"2026-05-18T02:48:36Z"},{"alias_kind":"arxiv_version","alias_value":"1404.4376v1","created_at":"2026-05-18T02:48:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.4376","created_at":"2026-05-18T02:48:36Z"},{"alias_kind":"pith_short_12","alias_value":"TSC4TDZOD67U","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"TSC4TDZOD67U2EWP","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"TSC4TDZO","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:7c1870b0452189bc22b350c917122afe9d57fd624423967b779d3e3a340c9f2b","target":"graph","created_at":"2026-05-18T02:48:36Z","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":"Multi-level non-local thermodynamic equilibrium (NLTE) radiation transfer calculations have become standard throughout the stellar atmospheres community and are applied to all types of stars as well as dynamical systems such as novae and supernovae. Even today spherically symmetric 1D calculations with full physics are computationally intensive. We show that full NLTE calculations can be done with fully 3 dimensional (3D) radiative transfer. With modern computational techniques and current massive parallel computational resources, full detailed solution of the multi-level NLTE problem coupled ","authors_text":"E. Baron, Peter H. Hauschildt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-04-16T20:13:54Z","title":"A 3D radiative transfer framework: XI. multi-level NLTE"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.4376","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":"sha256:50a73bc265d44bca537ac0810a2a1bde7f0da20f71160c984788c00c17ef2015","target":"record","created_at":"2026-05-18T02:48:36Z","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":"b8501a8a44d0ae22ed38b4d0fd0f2b75bcc02eea3d778efc4e6c6e678c9635d5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-04-16T20:13:54Z","title_canon_sha256":"1a23c7f2fd4d8d80cf61a5c4023ac98206fc22c93a25a20c371d9400c06413e3"},"schema_version":"1.0","source":{"id":"1404.4376","kind":"arxiv","version":1}},"canonical_sha256":"9c85c98f2e1fbf4d12cf75be318c6def127e3e8a3d7c7e4439ac4e758d9ee874","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9c85c98f2e1fbf4d12cf75be318c6def127e3e8a3d7c7e4439ac4e758d9ee874","first_computed_at":"2026-05-18T02:48:36.267162Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:48:36.267162Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cnSe3YORPmJKkAfYSkytwTIrkEp9fH53CqPDiT8ioIOw2btjjygwyk9YXPtxH0P+lBbxG3vH36tcQyvg7l1DBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:48:36.267846Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.4376","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50a73bc265d44bca537ac0810a2a1bde7f0da20f71160c984788c00c17ef2015","sha256:7c1870b0452189bc22b350c917122afe9d57fd624423967b779d3e3a340c9f2b"],"state_sha256":"b0736d48fb1c61bab377c1b81198052d0a4316b642959053006cdf446f64c196"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qj5DVDY0mw6AJSuL0qjDVeWFIUUBE6HyH5IG+pHtceySEbR422cqhnOKbHIwbxDYAdNGQY2GFQZYKKP3ZX8uCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T01:27:34.136255Z","bundle_sha256":"8e521ba243f4aecac95aa1d536406710b9d5df7a745fcc7cae98c0d9ed7f6f8e"}}