{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:GEZ6IF4PAC3PJCNXZSNATW7BAQ","short_pith_number":"pith:GEZ6IF4P","schema_version":"1.0","canonical_sha256":"3133e4178f00b6f489b7cc9a09dbe1043cfe4ae453e6f47c8166223100fe88d2","source":{"kind":"arxiv","id":"1812.10861","version":1},"attestation_state":"computed","paper":{"title":"Spectroscopic study of the extremely young O-type triple system Herschel 36 A in the Hourglass Nebula. I. Orbital properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"(2) Las Campanas Observatory, (3) IALP-CONICET, (4) Centro de Astrobiolog\\'ia CSIC-INTA), Abdo R. Campillay (1), Jes\\'us Ma\\'iz Apell\\'aniz (4) ((1) Universidad de La Serena, Julia I. Arias (1), Nidia I. Morrell (2), Roberto C. Gamen (3), Rodolfo H. Barb\\'a (1), UNLP","submitted_at":"2018-12-28T01:35:58Z","abstract_excerpt":"We present a detailed spectroscopic study of Herschel 36 A (H36A), the main stellar component of the massive multiple system Herschel 36 in the Hourglass Nebula, based on high-resolution optical spectra obtained along an 11 years span. The three stellar components present in the spectrum of H36A are separated by means of a spectral disentangling technique. Individual spectral classifications are improved, and high precision orbital solutions for the inner and the outer orbits are calculated. H36A is confirmed to be a hierarchical triple system composed of a close massive binary (Ab1+Ab2, O9.5 "},"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":"1812.10861","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-12-28T01:35:58Z","cross_cats_sorted":[],"title_canon_sha256":"3b8f47572ba70623ac3ccf0e12e5d6ac3bbb26124bfb44bd32bc5a48c7c6b9d5","abstract_canon_sha256":"77a30d995fd233845f6c75b0ce5fb1b419dedad77f14f8728e210c6407572365"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:16.402564Z","signature_b64":"A/866ljt/V/Vmt7Cw9Yy8P8JSIJ2/YfCmCqtPUXkEQ2y1a7enFSs/kzuEbKVKev0pbPuVF2FxbJ6itIUknkeAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3133e4178f00b6f489b7cc9a09dbe1043cfe4ae453e6f47c8166223100fe88d2","last_reissued_at":"2026-05-17T23:56:16.402085Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:16.402085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectroscopic study of the extremely young O-type triple system Herschel 36 A in the Hourglass Nebula. I. Orbital properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"(2) Las Campanas Observatory, (3) IALP-CONICET, (4) Centro de Astrobiolog\\'ia CSIC-INTA), Abdo R. Campillay (1), Jes\\'us Ma\\'iz Apell\\'aniz (4) ((1) Universidad de La Serena, Julia I. Arias (1), Nidia I. Morrell (2), Roberto C. Gamen (3), Rodolfo H. Barb\\'a (1), UNLP","submitted_at":"2018-12-28T01:35:58Z","abstract_excerpt":"We present a detailed spectroscopic study of Herschel 36 A (H36A), the main stellar component of the massive multiple system Herschel 36 in the Hourglass Nebula, based on high-resolution optical spectra obtained along an 11 years span. The three stellar components present in the spectrum of H36A are separated by means of a spectral disentangling technique. Individual spectral classifications are improved, and high precision orbital solutions for the inner and the outer orbits are calculated. H36A is confirmed to be a hierarchical triple system composed of a close massive binary (Ab1+Ab2, O9.5 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.10861","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":"1812.10861","created_at":"2026-05-17T23:56:16.402161+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.10861v1","created_at":"2026-05-17T23:56:16.402161+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.10861","created_at":"2026-05-17T23:56:16.402161+00:00"},{"alias_kind":"pith_short_12","alias_value":"GEZ6IF4PAC3P","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_16","alias_value":"GEZ6IF4PAC3PJCNX","created_at":"2026-05-18T12:32:25.280505+00:00"},{"alias_kind":"pith_short_8","alias_value":"GEZ6IF4P","created_at":"2026-05-18T12:32:25.280505+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/GEZ6IF4PAC3PJCNXZSNATW7BAQ","json":"https://pith.science/pith/GEZ6IF4PAC3PJCNXZSNATW7BAQ.json","graph_json":"https://pith.science/api/pith-number/GEZ6IF4PAC3PJCNXZSNATW7BAQ/graph.json","events_json":"https://pith.science/api/pith-number/GEZ6IF4PAC3PJCNXZSNATW7BAQ/events.json","paper":"https://pith.science/paper/GEZ6IF4P"},"agent_actions":{"view_html":"https://pith.science/pith/GEZ6IF4PAC3PJCNXZSNATW7BAQ","download_json":"https://pith.science/pith/GEZ6IF4PAC3PJCNXZSNATW7BAQ.json","view_paper":"https://pith.science/paper/GEZ6IF4P","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.10861&json=true","fetch_graph":"https://pith.science/api/pith-number/GEZ6IF4PAC3PJCNXZSNATW7BAQ/graph.json","fetch_events":"https://pith.science/api/pith-number/GEZ6IF4PAC3PJCNXZSNATW7BAQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GEZ6IF4PAC3PJCNXZSNATW7BAQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GEZ6IF4PAC3PJCNXZSNATW7BAQ/action/storage_attestation","attest_author":"https://pith.science/pith/GEZ6IF4PAC3PJCNXZSNATW7BAQ/action/author_attestation","sign_citation":"https://pith.science/pith/GEZ6IF4PAC3PJCNXZSNATW7BAQ/action/citation_signature","submit_replication":"https://pith.science/pith/GEZ6IF4PAC3PJCNXZSNATW7BAQ/action/replication_record"}},"created_at":"2026-05-17T23:56:16.402161+00:00","updated_at":"2026-05-17T23:56:16.402161+00:00"}