{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:HTOBJHQYNFMH2LVLRJDKBWXX3O","short_pith_number":"pith:HTOBJHQY","schema_version":"1.0","canonical_sha256":"3cdc149e1869587d2eab8a46a0daf7db96dd398f4b714c6091f16417af2f3d99","source":{"kind":"arxiv","id":"1310.0449","version":1},"attestation_state":"computed","paper":{"title":"Macroclumping as solution of the discrepancy between H{\\alpha} and P v mass loss diagnostics for O-type stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Aret, A. F. Torres, B. \\v{S}urlan, J. Kub\\'at, L. M. Oskinova, W.-R. Hamann","submitted_at":"2013-10-01T19:54:18Z","abstract_excerpt":"Recent studies of O-type stars demonstrated that discrepant mass-loss rates are obtained when different diagnostic methods are employed - fitting the unsaturated UV resonance lines (e.g. P v) gives drastically lower values than obtained from the H{\\alpha} emission. Wind clumping may be the main cause for this discrepancy. In a previous paper, we have presented 3-D Monte-Carlo calculations for the formation of scattering lines in a clumped stellar wind. In the present paper we select five O-type supergiants (from O4 to O7) and test whether the reported discrepancies can be resolved this way. In"},"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":"1310.0449","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-01T19:54:18Z","cross_cats_sorted":[],"title_canon_sha256":"7cd2fd4182df64ae519a674dbe39331da47eb82f6479f153dad784c2120c8931","abstract_canon_sha256":"478bf59d5b9a776b19e2eb47ea5df6adf04c9eef4095bdff52fc96ae7bc4ce57"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:49:47.141800Z","signature_b64":"n108Ec0wmBXuCJugQwXamaYaqbgvxvzFb2p3cL4PST62ygmI+pAmxq2LZZuUkM27XHEhjcHeLHDlxoAXEELTAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3cdc149e1869587d2eab8a46a0daf7db96dd398f4b714c6091f16417af2f3d99","last_reissued_at":"2026-05-18T02:49:47.141418Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:49:47.141418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Macroclumping as solution of the discrepancy between H{\\alpha} and P v mass loss diagnostics for O-type stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Aret, A. F. Torres, B. \\v{S}urlan, J. Kub\\'at, L. M. Oskinova, W.-R. Hamann","submitted_at":"2013-10-01T19:54:18Z","abstract_excerpt":"Recent studies of O-type stars demonstrated that discrepant mass-loss rates are obtained when different diagnostic methods are employed - fitting the unsaturated UV resonance lines (e.g. P v) gives drastically lower values than obtained from the H{\\alpha} emission. Wind clumping may be the main cause for this discrepancy. In a previous paper, we have presented 3-D Monte-Carlo calculations for the formation of scattering lines in a clumped stellar wind. In the present paper we select five O-type supergiants (from O4 to O7) and test whether the reported discrepancies can be resolved this way. In"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.0449","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":"1310.0449","created_at":"2026-05-18T02:49:47.141468+00:00"},{"alias_kind":"arxiv_version","alias_value":"1310.0449v1","created_at":"2026-05-18T02:49:47.141468+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.0449","created_at":"2026-05-18T02:49:47.141468+00:00"},{"alias_kind":"pith_short_12","alias_value":"HTOBJHQYNFMH","created_at":"2026-05-18T12:27:46.883200+00:00"},{"alias_kind":"pith_short_16","alias_value":"HTOBJHQYNFMH2LVL","created_at":"2026-05-18T12:27:46.883200+00:00"},{"alias_kind":"pith_short_8","alias_value":"HTOBJHQY","created_at":"2026-05-18T12:27:46.883200+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/HTOBJHQYNFMH2LVLRJDKBWXX3O","json":"https://pith.science/pith/HTOBJHQYNFMH2LVLRJDKBWXX3O.json","graph_json":"https://pith.science/api/pith-number/HTOBJHQYNFMH2LVLRJDKBWXX3O/graph.json","events_json":"https://pith.science/api/pith-number/HTOBJHQYNFMH2LVLRJDKBWXX3O/events.json","paper":"https://pith.science/paper/HTOBJHQY"},"agent_actions":{"view_html":"https://pith.science/pith/HTOBJHQYNFMH2LVLRJDKBWXX3O","download_json":"https://pith.science/pith/HTOBJHQYNFMH2LVLRJDKBWXX3O.json","view_paper":"https://pith.science/paper/HTOBJHQY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1310.0449&json=true","fetch_graph":"https://pith.science/api/pith-number/HTOBJHQYNFMH2LVLRJDKBWXX3O/graph.json","fetch_events":"https://pith.science/api/pith-number/HTOBJHQYNFMH2LVLRJDKBWXX3O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HTOBJHQYNFMH2LVLRJDKBWXX3O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HTOBJHQYNFMH2LVLRJDKBWXX3O/action/storage_attestation","attest_author":"https://pith.science/pith/HTOBJHQYNFMH2LVLRJDKBWXX3O/action/author_attestation","sign_citation":"https://pith.science/pith/HTOBJHQYNFMH2LVLRJDKBWXX3O/action/citation_signature","submit_replication":"https://pith.science/pith/HTOBJHQYNFMH2LVLRJDKBWXX3O/action/replication_record"}},"created_at":"2026-05-18T02:49:47.141468+00:00","updated_at":"2026-05-18T02:49:47.141468+00:00"}