{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:3QMQGDNFQYZJIWILEPHAHLF6H5","short_pith_number":"pith:3QMQGDNF","schema_version":"1.0","canonical_sha256":"dc19030da5863294590b23ce03acbe3f6d23e422012d5863ed49ca1a06d33f60","source":{"kind":"arxiv","id":"1105.0947","version":2},"attestation_state":"computed","paper":{"title":"Chemical Composition of the RS CVn-type Star 29 Draconis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"G. Barisevi\\v{c}ius, G. Tautvai\\v{s}ien\\.e, I. Ilyin, S. Berdyugina, Y. Chorniy","submitted_at":"2011-05-04T21:20:25Z","abstract_excerpt":"Photospheric parameters and chemical composition are determined for the single-lined chromospherically active RS CVn-type star 29 Draconis (HD 160538). From the high resolution spectra obtained on the Nordic Optical Telescope, abundances of 22 chemical elements, including the key elements such as 12C, 13C, N and O, were investigated. The differential line analysis with the MARCS model atmospheres gives Teff=4720 K, log g=2.5, Fe/H]=-0.20, [C/Fe]=-0.14, [N/Fe]=0.08, [O/Fe]=-0.04, C/N=2.40, 12C/13C=16. The low value of the 12C/13C ratio gives a hint that extra mixing processes in low-mass chromo"},"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":"1105.0947","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-05-04T21:20:25Z","cross_cats_sorted":[],"title_canon_sha256":"6067353fd69034f10b6d5c886a6949ad5a62d67ff644fcdd3f7edd9069f90d44","abstract_canon_sha256":"3d4c92c8a032645c9fc067b38914d0d8e2e60d4a2606ce04d13f2f91e2e464ad"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:21:15.329531Z","signature_b64":"n1Dq3iu7/ImcItby6P2kD7Zri8Xvc3PP0TCL+Upti0vlstpM5Z0al1WopVFLHJNs3E6k5XBo31PgsKy3H/V8BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc19030da5863294590b23ce03acbe3f6d23e422012d5863ed49ca1a06d33f60","last_reissued_at":"2026-05-18T00:21:15.329124Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:21:15.329124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Chemical Composition of the RS CVn-type Star 29 Draconis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"G. Barisevi\\v{c}ius, G. Tautvai\\v{s}ien\\.e, I. Ilyin, S. Berdyugina, Y. Chorniy","submitted_at":"2011-05-04T21:20:25Z","abstract_excerpt":"Photospheric parameters and chemical composition are determined for the single-lined chromospherically active RS CVn-type star 29 Draconis (HD 160538). From the high resolution spectra obtained on the Nordic Optical Telescope, abundances of 22 chemical elements, including the key elements such as 12C, 13C, N and O, were investigated. The differential line analysis with the MARCS model atmospheres gives Teff=4720 K, log g=2.5, Fe/H]=-0.20, [C/Fe]=-0.14, [N/Fe]=0.08, [O/Fe]=-0.04, C/N=2.40, 12C/13C=16. The low value of the 12C/13C ratio gives a hint that extra mixing processes in low-mass chromo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.0947","kind":"arxiv","version":2},"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":"1105.0947","created_at":"2026-05-18T00:21:15.329195+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.0947v2","created_at":"2026-05-18T00:21:15.329195+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.0947","created_at":"2026-05-18T00:21:15.329195+00:00"},{"alias_kind":"pith_short_12","alias_value":"3QMQGDNFQYZJ","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"3QMQGDNFQYZJIWIL","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"3QMQGDNF","created_at":"2026-05-18T12:26:18.847500+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/3QMQGDNFQYZJIWILEPHAHLF6H5","json":"https://pith.science/pith/3QMQGDNFQYZJIWILEPHAHLF6H5.json","graph_json":"https://pith.science/api/pith-number/3QMQGDNFQYZJIWILEPHAHLF6H5/graph.json","events_json":"https://pith.science/api/pith-number/3QMQGDNFQYZJIWILEPHAHLF6H5/events.json","paper":"https://pith.science/paper/3QMQGDNF"},"agent_actions":{"view_html":"https://pith.science/pith/3QMQGDNFQYZJIWILEPHAHLF6H5","download_json":"https://pith.science/pith/3QMQGDNFQYZJIWILEPHAHLF6H5.json","view_paper":"https://pith.science/paper/3QMQGDNF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.0947&json=true","fetch_graph":"https://pith.science/api/pith-number/3QMQGDNFQYZJIWILEPHAHLF6H5/graph.json","fetch_events":"https://pith.science/api/pith-number/3QMQGDNFQYZJIWILEPHAHLF6H5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3QMQGDNFQYZJIWILEPHAHLF6H5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3QMQGDNFQYZJIWILEPHAHLF6H5/action/storage_attestation","attest_author":"https://pith.science/pith/3QMQGDNFQYZJIWILEPHAHLF6H5/action/author_attestation","sign_citation":"https://pith.science/pith/3QMQGDNFQYZJIWILEPHAHLF6H5/action/citation_signature","submit_replication":"https://pith.science/pith/3QMQGDNFQYZJIWILEPHAHLF6H5/action/replication_record"}},"created_at":"2026-05-18T00:21:15.329195+00:00","updated_at":"2026-05-18T00:21:15.329195+00:00"}