{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:DFOZ3IGYAXLVQKE6SQFQSRMAJN","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":"1dbb578185f2d8cbfe31f2fbcb955e8b93bc36a82871a6c865df08d64ee2cdeb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-16T12:18:36Z","title_canon_sha256":"e383e7439d6d4cb1c5c077f96bd39bc899997f02fdb57376e307ee06929bca59"},"schema_version":"1.0","source":{"id":"1109.3595","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.3595","created_at":"2026-05-18T02:00:31Z"},{"alias_kind":"arxiv_version","alias_value":"1109.3595v1","created_at":"2026-05-18T02:00:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.3595","created_at":"2026-05-18T02:00:31Z"},{"alias_kind":"pith_short_12","alias_value":"DFOZ3IGYAXLV","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"DFOZ3IGYAXLVQKE6","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"DFOZ3IGY","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:6872e02740385d1f03c249d5a01dfac154bc6ab576c6e0da3772f65c33810b28","target":"graph","created_at":"2026-05-18T02:00:31Z","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":"This is the first paper in a series dealing with optical Nitrogen spectroscopy of O-type stars, aiming at the analysis of Nitrogen abundances.\n  We implemented a new Nitrogen model atom into the NLTE atmosphere/spectrum synthesis code FASTWIND, and compare the resulting optical NIII lines at 4634/40/42 A with other predictions, mostly from Mihalas & Hummer (1973, ApJ 179, 827,`MH'), and from the alternative code CMFGEN.\n  Using similar model atmospheres as MH (not blanketed and wind-free), we are able to reproduce their results, in particular the triplet emission lines. According to MH, these ","authors_text":"Francisco Najarro, Joachim Puls, Jorge G. Rivero Gonzalez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-16T12:18:36Z","title":"Nitrogen line spectroscopy of O-stars -- I. Nitrogen III emission line formation revisited"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3595","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":"sha256:3a453139b387220ce093aff7d113b86197765f9e5ede4b81b619f46862093d24","target":"record","created_at":"2026-05-18T02:00:31Z","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":"1dbb578185f2d8cbfe31f2fbcb955e8b93bc36a82871a6c865df08d64ee2cdeb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-16T12:18:36Z","title_canon_sha256":"e383e7439d6d4cb1c5c077f96bd39bc899997f02fdb57376e307ee06929bca59"},"schema_version":"1.0","source":{"id":"1109.3595","kind":"arxiv","version":1}},"canonical_sha256":"195d9da0d805d758289e940b0945804b6689ccfc15be6a34311518e44a5d94c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"195d9da0d805d758289e940b0945804b6689ccfc15be6a34311518e44a5d94c0","first_computed_at":"2026-05-18T02:00:31.880026Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:31.880026Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tAlnOHEdE+qIW55ghuVpFiMZosVIGz8m0v+GZm1tkXjZlM0vzImQp9F+CwVBKYNzVK4GWNxUAqepYmxB5cNPCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:31.880621Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.3595","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3a453139b387220ce093aff7d113b86197765f9e5ede4b81b619f46862093d24","sha256:6872e02740385d1f03c249d5a01dfac154bc6ab576c6e0da3772f65c33810b28"],"state_sha256":"5a30707249fa1febcaaedbbad11769d3c8588ff9f44dcc6006646c6f9a07f72a"}