{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:IIR3MMHAGYHXFUWGYAKZEMWJB2","short_pith_number":"pith:IIR3MMHA","schema_version":"1.0","canonical_sha256":"4223b630e0360f72d2c6c0159232c90eb16b61a2324f3dc228e596e255464d38","source":{"kind":"arxiv","id":"2207.09333","version":1},"attestation_state":"computed","paper":{"title":"Stellar wind properties of the nearly complete sample of O stars in the low metallicity young star cluster NGC346 in the SMC galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. C. C. Sander, D. Pauli, H. Todt, J. S. Gallagher III, L. M. Oskinova, M. J. Rickard, R. Hainich, R. K. Prinja, T. Shenar, V. Ramachandran, W.-R. Hamann, Y.-H. Chu","submitted_at":"2022-07-19T15:37:43Z","abstract_excerpt":"Massive stars are among the main cosmic engines driving the evolution of star-forming galaxies. Their powerful ionising radiation and stellar winds inject a large amount of energy in the interstellar medium. Furthermore, mass-loss ($\\dot{M}$) through radiatively driven winds plays a key role in the evolution of massive stars. Even so, the wind mass-loss prescriptions used in stellar evolution models, population synthesis, and stellar feedback models often disagree with mass-loss rates empirically measured from the UV spectra of low metallicity massive stars. The most massive young star cluster"},"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":"2207.09333","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-07-19T15:37:43Z","cross_cats_sorted":[],"title_canon_sha256":"acc008e428d2e9db005c5338d0c890175682949216c29d12f3519bbf3c97f188","abstract_canon_sha256":"e310f354d5a6cb3c3c352770c17e29f51601b45e1f78458b935e61659d153943"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:12:13.897300Z","signature_b64":"LohpDopqXw12QzLJPm3zjRQmUZJ9S/Ujlh7VpbXXJfk+NRfcXrtJLDfN5Elrp3SDSiMnsgb1af2Wlm9C4dnaCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4223b630e0360f72d2c6c0159232c90eb16b61a2324f3dc228e596e255464d38","last_reissued_at":"2026-07-05T05:12:13.896965Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:12:13.896965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stellar wind properties of the nearly complete sample of O stars in the low metallicity young star cluster NGC346 in the SMC galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. C. C. Sander, D. Pauli, H. Todt, J. S. Gallagher III, L. M. Oskinova, M. J. Rickard, R. Hainich, R. K. Prinja, T. Shenar, V. Ramachandran, W.-R. Hamann, Y.-H. Chu","submitted_at":"2022-07-19T15:37:43Z","abstract_excerpt":"Massive stars are among the main cosmic engines driving the evolution of star-forming galaxies. Their powerful ionising radiation and stellar winds inject a large amount of energy in the interstellar medium. Furthermore, mass-loss ($\\dot{M}$) through radiatively driven winds plays a key role in the evolution of massive stars. Even so, the wind mass-loss prescriptions used in stellar evolution models, population synthesis, and stellar feedback models often disagree with mass-loss rates empirically measured from the UV spectra of low metallicity massive stars. The most massive young star cluster"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.09333","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2207.09333/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2207.09333","created_at":"2026-07-05T05:12:13.897012+00:00"},{"alias_kind":"arxiv_version","alias_value":"2207.09333v1","created_at":"2026-07-05T05:12:13.897012+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.09333","created_at":"2026-07-05T05:12:13.897012+00:00"},{"alias_kind":"pith_short_12","alias_value":"IIR3MMHAGYHX","created_at":"2026-07-05T05:12:13.897012+00:00"},{"alias_kind":"pith_short_16","alias_value":"IIR3MMHAGYHXFUWG","created_at":"2026-07-05T05:12:13.897012+00:00"},{"alias_kind":"pith_short_8","alias_value":"IIR3MMHA","created_at":"2026-07-05T05:12:13.897012+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/IIR3MMHAGYHXFUWGYAKZEMWJB2","json":"https://pith.science/pith/IIR3MMHAGYHXFUWGYAKZEMWJB2.json","graph_json":"https://pith.science/api/pith-number/IIR3MMHAGYHXFUWGYAKZEMWJB2/graph.json","events_json":"https://pith.science/api/pith-number/IIR3MMHAGYHXFUWGYAKZEMWJB2/events.json","paper":"https://pith.science/paper/IIR3MMHA"},"agent_actions":{"view_html":"https://pith.science/pith/IIR3MMHAGYHXFUWGYAKZEMWJB2","download_json":"https://pith.science/pith/IIR3MMHAGYHXFUWGYAKZEMWJB2.json","view_paper":"https://pith.science/paper/IIR3MMHA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2207.09333&json=true","fetch_graph":"https://pith.science/api/pith-number/IIR3MMHAGYHXFUWGYAKZEMWJB2/graph.json","fetch_events":"https://pith.science/api/pith-number/IIR3MMHAGYHXFUWGYAKZEMWJB2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IIR3MMHAGYHXFUWGYAKZEMWJB2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IIR3MMHAGYHXFUWGYAKZEMWJB2/action/storage_attestation","attest_author":"https://pith.science/pith/IIR3MMHAGYHXFUWGYAKZEMWJB2/action/author_attestation","sign_citation":"https://pith.science/pith/IIR3MMHAGYHXFUWGYAKZEMWJB2/action/citation_signature","submit_replication":"https://pith.science/pith/IIR3MMHAGYHXFUWGYAKZEMWJB2/action/replication_record"}},"created_at":"2026-07-05T05:12:13.897012+00:00","updated_at":"2026-07-05T05:12:13.897012+00:00"}