{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:I4D5ALQVOZTYHVGB3FZQUIOLM4","short_pith_number":"pith:I4D5ALQV","schema_version":"1.0","canonical_sha256":"4707d02e15766783d4c1d9730a21cb67043acac262b0a3cee8ad021e9a4e4d72","source":{"kind":"arxiv","id":"1404.7384","version":1},"attestation_state":"computed","paper":{"title":"VLTI/AMBER observations of cold giant stars: atmospheric structures and fundamental parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Quirrenbach, B. Arroyo-Torres, I. Mart\\'i-Vidal, J.C. Guirado, J. Fabregat, J. M. Marcaide, M. Wittkowski, P. H. Hauschildt","submitted_at":"2014-04-29T14:57:18Z","abstract_excerpt":"The main goal of this research is to determine the angular size and the atmospheric structures of cool giant stars and to compare them with hydrostatic stellar model atmospheres, to estimate the fundamental parameters, and to obtain a better understanding of the circumstellar environment.\n  We conducted spectro-interferometric observations of epsilon Oct, beta Peg, NU Pav, and psi Peg in the near-infrared K band (2.13-2.47 microm), and gamma Hya (1.9-2.47 microm) with the VLTI/AMBER instrument at medium spectral resolution. To obtain the fundamental parameters, we compared our data with hydros"},"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":"1404.7384","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-04-29T14:57:18Z","cross_cats_sorted":[],"title_canon_sha256":"88e1167a415af74a32bc7a384c0a2ddbcb81a4808f91407040d81baec542ca61","abstract_canon_sha256":"e3c14171f966d98cdcdb3d1acf022a8820603f89f48c88f5fa113a77d2a36771"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:48:36.085282Z","signature_b64":"an9bHcaAukDrxDxWoAIb9raDCl3/QkA2366B/jJQyQbh/7qP/sWJFsiMTP6HWWih0TpYlZXbvM4j/M7/SaKlCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4707d02e15766783d4c1d9730a21cb67043acac262b0a3cee8ad021e9a4e4d72","last_reissued_at":"2026-05-18T02:48:36.084711Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:48:36.084711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"VLTI/AMBER observations of cold giant stars: atmospheric structures and fundamental parameters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Quirrenbach, B. Arroyo-Torres, I. Mart\\'i-Vidal, J.C. Guirado, J. Fabregat, J. M. Marcaide, M. Wittkowski, P. H. Hauschildt","submitted_at":"2014-04-29T14:57:18Z","abstract_excerpt":"The main goal of this research is to determine the angular size and the atmospheric structures of cool giant stars and to compare them with hydrostatic stellar model atmospheres, to estimate the fundamental parameters, and to obtain a better understanding of the circumstellar environment.\n  We conducted spectro-interferometric observations of epsilon Oct, beta Peg, NU Pav, and psi Peg in the near-infrared K band (2.13-2.47 microm), and gamma Hya (1.9-2.47 microm) with the VLTI/AMBER instrument at medium spectral resolution. To obtain the fundamental parameters, we compared our data with hydros"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.7384","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":"1404.7384","created_at":"2026-05-18T02:48:36.084799+00:00"},{"alias_kind":"arxiv_version","alias_value":"1404.7384v1","created_at":"2026-05-18T02:48:36.084799+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.7384","created_at":"2026-05-18T02:48:36.084799+00:00"},{"alias_kind":"pith_short_12","alias_value":"I4D5ALQVOZTY","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_16","alias_value":"I4D5ALQVOZTYHVGB","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_8","alias_value":"I4D5ALQV","created_at":"2026-05-18T12:28:33.132498+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/I4D5ALQVOZTYHVGB3FZQUIOLM4","json":"https://pith.science/pith/I4D5ALQVOZTYHVGB3FZQUIOLM4.json","graph_json":"https://pith.science/api/pith-number/I4D5ALQVOZTYHVGB3FZQUIOLM4/graph.json","events_json":"https://pith.science/api/pith-number/I4D5ALQVOZTYHVGB3FZQUIOLM4/events.json","paper":"https://pith.science/paper/I4D5ALQV"},"agent_actions":{"view_html":"https://pith.science/pith/I4D5ALQVOZTYHVGB3FZQUIOLM4","download_json":"https://pith.science/pith/I4D5ALQVOZTYHVGB3FZQUIOLM4.json","view_paper":"https://pith.science/paper/I4D5ALQV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1404.7384&json=true","fetch_graph":"https://pith.science/api/pith-number/I4D5ALQVOZTYHVGB3FZQUIOLM4/graph.json","fetch_events":"https://pith.science/api/pith-number/I4D5ALQVOZTYHVGB3FZQUIOLM4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/I4D5ALQVOZTYHVGB3FZQUIOLM4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/I4D5ALQVOZTYHVGB3FZQUIOLM4/action/storage_attestation","attest_author":"https://pith.science/pith/I4D5ALQVOZTYHVGB3FZQUIOLM4/action/author_attestation","sign_citation":"https://pith.science/pith/I4D5ALQVOZTYHVGB3FZQUIOLM4/action/citation_signature","submit_replication":"https://pith.science/pith/I4D5ALQVOZTYHVGB3FZQUIOLM4/action/replication_record"}},"created_at":"2026-05-18T02:48:36.084799+00:00","updated_at":"2026-05-18T02:48:36.084799+00:00"}