{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:4QMM7JTLIZCJTR4ZUECM2WEOYF","short_pith_number":"pith:4QMM7JTL","schema_version":"1.0","canonical_sha256":"e418cfa66b464499c799a104cd588ec14da1ade3379d7b61cfc30d4345121b47","source":{"kind":"arxiv","id":"1811.02267","version":1},"attestation_state":"computed","paper":{"title":"Time-dependent atomic diffusion in the atmospheres of CP stars. A big step forward: introducing numerical models including a stellar mass loss","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"G. Alecian, M. J. Stift","submitted_at":"2018-11-06T10:13:36Z","abstract_excerpt":"Calculating abundance stratifications in ApBp/HgMn star atmospheres, we are considering mass-loss in addition to atomic diffusion in our numerical code in order to achieve more realistic models. These numerical simulations with mass-loss solve the time dependent continuity equation for plane-parallel atmospheres; the procedure is iterated until stationary concentrations of the diffusing elements are obtained throughout a large part of the stellar atmosphere. We find that Mg stratifications in HgMn star atmospheres are particularly sensitive to the presence of a mass-loss. For main-sequence sta"},"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":"1811.02267","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-06T10:13:36Z","cross_cats_sorted":[],"title_canon_sha256":"99aafc5aaca862ce9531c99a3ec6cd086a085eb7647aa68448e3cde9fbda3ccf","abstract_canon_sha256":"22f029283977fb3c602bd70cc458f416771a89b5c7622038b0ebf0d78fb8299a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:48.622399Z","signature_b64":"0OvkT7H4jOjoJ5RoMqtUyBbgQ6zuN2MHLC5zo+AgqU1i1QHKqCS5OaYLTZt3+zDOJRadT+uWE7b6xaRDuXvtBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e418cfa66b464499c799a104cd588ec14da1ade3379d7b61cfc30d4345121b47","last_reissued_at":"2026-05-17T23:59:48.621906Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:48.621906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Time-dependent atomic diffusion in the atmospheres of CP stars. A big step forward: introducing numerical models including a stellar mass loss","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"G. Alecian, M. J. Stift","submitted_at":"2018-11-06T10:13:36Z","abstract_excerpt":"Calculating abundance stratifications in ApBp/HgMn star atmospheres, we are considering mass-loss in addition to atomic diffusion in our numerical code in order to achieve more realistic models. These numerical simulations with mass-loss solve the time dependent continuity equation for plane-parallel atmospheres; the procedure is iterated until stationary concentrations of the diffusing elements are obtained throughout a large part of the stellar atmosphere. We find that Mg stratifications in HgMn star atmospheres are particularly sensitive to the presence of a mass-loss. For main-sequence sta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.02267","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":"1811.02267","created_at":"2026-05-17T23:59:48.621983+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.02267v1","created_at":"2026-05-17T23:59:48.621983+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.02267","created_at":"2026-05-17T23:59:48.621983+00:00"},{"alias_kind":"pith_short_12","alias_value":"4QMM7JTLIZCJ","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_16","alias_value":"4QMM7JTLIZCJTR4Z","created_at":"2026-05-18T12:32:05.422762+00:00"},{"alias_kind":"pith_short_8","alias_value":"4QMM7JTL","created_at":"2026-05-18T12:32:05.422762+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/4QMM7JTLIZCJTR4ZUECM2WEOYF","json":"https://pith.science/pith/4QMM7JTLIZCJTR4ZUECM2WEOYF.json","graph_json":"https://pith.science/api/pith-number/4QMM7JTLIZCJTR4ZUECM2WEOYF/graph.json","events_json":"https://pith.science/api/pith-number/4QMM7JTLIZCJTR4ZUECM2WEOYF/events.json","paper":"https://pith.science/paper/4QMM7JTL"},"agent_actions":{"view_html":"https://pith.science/pith/4QMM7JTLIZCJTR4ZUECM2WEOYF","download_json":"https://pith.science/pith/4QMM7JTLIZCJTR4ZUECM2WEOYF.json","view_paper":"https://pith.science/paper/4QMM7JTL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.02267&json=true","fetch_graph":"https://pith.science/api/pith-number/4QMM7JTLIZCJTR4ZUECM2WEOYF/graph.json","fetch_events":"https://pith.science/api/pith-number/4QMM7JTLIZCJTR4ZUECM2WEOYF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4QMM7JTLIZCJTR4ZUECM2WEOYF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4QMM7JTLIZCJTR4ZUECM2WEOYF/action/storage_attestation","attest_author":"https://pith.science/pith/4QMM7JTLIZCJTR4ZUECM2WEOYF/action/author_attestation","sign_citation":"https://pith.science/pith/4QMM7JTLIZCJTR4ZUECM2WEOYF/action/citation_signature","submit_replication":"https://pith.science/pith/4QMM7JTLIZCJTR4ZUECM2WEOYF/action/replication_record"}},"created_at":"2026-05-17T23:59:48.621983+00:00","updated_at":"2026-05-17T23:59:48.621983+00:00"}