{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:3LXX3V6EU6EA3B6QSSYJOI4OYV","short_pith_number":"pith:3LXX3V6E","schema_version":"1.0","canonical_sha256":"daef7dd7c4a7880d87d094b097238ec54ebdd8b2dfc3f26e785f72486e59e162","source":{"kind":"arxiv","id":"1302.1825","version":1},"attestation_state":"computed","paper":{"title":"A non-LTE modeling of narrow emission components of He and Ca lines in optical spectra of CTTS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.V. Dodin, S.A. Lamzin, T.M. Sitnova","submitted_at":"2013-02-07T18:44:26Z","abstract_excerpt":"A spectrum of a hot spot, produced by radiation of accretion shock at T Tauri star's surface, has been calculated taking into account non-LTE effects for HeI, HeII, CaI and CaII, using LTE-calculations of spot's atmospheric structure, calculated by Dodin & Lamzin (2012). Assuming that pre-shock gas number density N_0 and its velocity V_0 are the same across the accretion column, we calculated spectra of a system \"star + round spot\" for a set of N_0, V_0 values and parameters, which characterized the star and the spot.\n  It has been shown that theoretical spectra with an appropriate choice of t"},"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":"1302.1825","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-07T18:44:26Z","cross_cats_sorted":[],"title_canon_sha256":"95ce6708558f76ac804e8a5f5f4e7e552bbb1277bee746958584984c6fde7c32","abstract_canon_sha256":"c0b8b094e9f5492c67fb32e25848f7b0ab120ea350529334053291450ab3f61f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:43.785359Z","signature_b64":"j3XY4fW+OwrWCLZ/rBU4wOp4XViVOuvTIj9DDk9IpjepLFfnCcSXWWnv6zZUKiy7ZZ4H2ToS9HiO7OOhI/ukAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"daef7dd7c4a7880d87d094b097238ec54ebdd8b2dfc3f26e785f72486e59e162","last_reissued_at":"2026-05-18T01:51:43.784854Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:43.784854Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A non-LTE modeling of narrow emission components of He and Ca lines in optical spectra of CTTS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.V. Dodin, S.A. Lamzin, T.M. Sitnova","submitted_at":"2013-02-07T18:44:26Z","abstract_excerpt":"A spectrum of a hot spot, produced by radiation of accretion shock at T Tauri star's surface, has been calculated taking into account non-LTE effects for HeI, HeII, CaI and CaII, using LTE-calculations of spot's atmospheric structure, calculated by Dodin & Lamzin (2012). Assuming that pre-shock gas number density N_0 and its velocity V_0 are the same across the accretion column, we calculated spectra of a system \"star + round spot\" for a set of N_0, V_0 values and parameters, which characterized the star and the spot.\n  It has been shown that theoretical spectra with an appropriate choice of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.1825","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":"1302.1825","created_at":"2026-05-18T01:51:43.784930+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.1825v1","created_at":"2026-05-18T01:51:43.784930+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.1825","created_at":"2026-05-18T01:51:43.784930+00:00"},{"alias_kind":"pith_short_12","alias_value":"3LXX3V6EU6EA","created_at":"2026-05-18T12:27:32.513160+00:00"},{"alias_kind":"pith_short_16","alias_value":"3LXX3V6EU6EA3B6Q","created_at":"2026-05-18T12:27:32.513160+00:00"},{"alias_kind":"pith_short_8","alias_value":"3LXX3V6E","created_at":"2026-05-18T12:27:32.513160+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/3LXX3V6EU6EA3B6QSSYJOI4OYV","json":"https://pith.science/pith/3LXX3V6EU6EA3B6QSSYJOI4OYV.json","graph_json":"https://pith.science/api/pith-number/3LXX3V6EU6EA3B6QSSYJOI4OYV/graph.json","events_json":"https://pith.science/api/pith-number/3LXX3V6EU6EA3B6QSSYJOI4OYV/events.json","paper":"https://pith.science/paper/3LXX3V6E"},"agent_actions":{"view_html":"https://pith.science/pith/3LXX3V6EU6EA3B6QSSYJOI4OYV","download_json":"https://pith.science/pith/3LXX3V6EU6EA3B6QSSYJOI4OYV.json","view_paper":"https://pith.science/paper/3LXX3V6E","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.1825&json=true","fetch_graph":"https://pith.science/api/pith-number/3LXX3V6EU6EA3B6QSSYJOI4OYV/graph.json","fetch_events":"https://pith.science/api/pith-number/3LXX3V6EU6EA3B6QSSYJOI4OYV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3LXX3V6EU6EA3B6QSSYJOI4OYV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3LXX3V6EU6EA3B6QSSYJOI4OYV/action/storage_attestation","attest_author":"https://pith.science/pith/3LXX3V6EU6EA3B6QSSYJOI4OYV/action/author_attestation","sign_citation":"https://pith.science/pith/3LXX3V6EU6EA3B6QSSYJOI4OYV/action/citation_signature","submit_replication":"https://pith.science/pith/3LXX3V6EU6EA3B6QSSYJOI4OYV/action/replication_record"}},"created_at":"2026-05-18T01:51:43.784930+00:00","updated_at":"2026-05-18T01:51:43.784930+00:00"}