{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:4MXYZNVOFZ3U3LFO7NVPZGUMTX","short_pith_number":"pith:4MXYZNVO","schema_version":"1.0","canonical_sha256":"e32f8cb6ae2e774dacaefb6afc9a8c9dd0759c1b09724af14cf8fb70f651f476","source":{"kind":"arxiv","id":"1604.03031","version":1},"attestation_state":"computed","paper":{"title":"Chemical abundances and kinematics of barium stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"C.B. Pereira, C. Chavero, D.B. de Castro, E. Jilinski, F. Roig, J.V. Sales Silva, N.A. Drake","submitted_at":"2016-04-11T17:03:12Z","abstract_excerpt":"In this paper we present an homogeneous analysis of photospheric abundances based on high-resolution spectroscopy of a sample of 182 barium stars and candidates. We determined atmospheric parameters, spectroscopic distances, stellar masses, ages, luminosities and scale height, radial velocities, abundances of the Na, Al, $alpha$-elements, iron-peak elements, and s-process elements Y, Zr, La, Ce, and Nd. We employed the local-thermodynamic-equilibrium model atmospheres of Kurucz and the spectral analysis code {\\sc moog}. We found that the metallicities, the temperatures and the surface gravitie"},"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":"1604.03031","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-04-11T17:03:12Z","cross_cats_sorted":[],"title_canon_sha256":"bb8c37a62b03c8db7372c879b23ba4c6a02e7b9ec06b4fe1d5340be85ccb0b73","abstract_canon_sha256":"4372a90d94c72aa0299bfb550616c5f2e59e6b23861c398eceda89a55aa30d03"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:12.902985Z","signature_b64":"9JRgQkmne7OSamzgcwmf39aoCC3WzjOEDhsQJGGDbZpsiDJpWTvt5y2LozerJKN/mPiXjviNOXRbP2RbrpfRAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e32f8cb6ae2e774dacaefb6afc9a8c9dd0759c1b09724af14cf8fb70f651f476","last_reissued_at":"2026-05-18T01:16:12.902340Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:12.902340Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Chemical abundances and kinematics of barium stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"C.B. Pereira, C. Chavero, D.B. de Castro, E. Jilinski, F. Roig, J.V. Sales Silva, N.A. Drake","submitted_at":"2016-04-11T17:03:12Z","abstract_excerpt":"In this paper we present an homogeneous analysis of photospheric abundances based on high-resolution spectroscopy of a sample of 182 barium stars and candidates. We determined atmospheric parameters, spectroscopic distances, stellar masses, ages, luminosities and scale height, radial velocities, abundances of the Na, Al, $alpha$-elements, iron-peak elements, and s-process elements Y, Zr, La, Ce, and Nd. We employed the local-thermodynamic-equilibrium model atmospheres of Kurucz and the spectral analysis code {\\sc moog}. We found that the metallicities, the temperatures and the surface gravitie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.03031","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":"1604.03031","created_at":"2026-05-18T01:16:12.902468+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.03031v1","created_at":"2026-05-18T01:16:12.902468+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.03031","created_at":"2026-05-18T01:16:12.902468+00:00"},{"alias_kind":"pith_short_12","alias_value":"4MXYZNVOFZ3U","created_at":"2026-05-18T12:29:58.707656+00:00"},{"alias_kind":"pith_short_16","alias_value":"4MXYZNVOFZ3U3LFO","created_at":"2026-05-18T12:29:58.707656+00:00"},{"alias_kind":"pith_short_8","alias_value":"4MXYZNVO","created_at":"2026-05-18T12:29:58.707656+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/4MXYZNVOFZ3U3LFO7NVPZGUMTX","json":"https://pith.science/pith/4MXYZNVOFZ3U3LFO7NVPZGUMTX.json","graph_json":"https://pith.science/api/pith-number/4MXYZNVOFZ3U3LFO7NVPZGUMTX/graph.json","events_json":"https://pith.science/api/pith-number/4MXYZNVOFZ3U3LFO7NVPZGUMTX/events.json","paper":"https://pith.science/paper/4MXYZNVO"},"agent_actions":{"view_html":"https://pith.science/pith/4MXYZNVOFZ3U3LFO7NVPZGUMTX","download_json":"https://pith.science/pith/4MXYZNVOFZ3U3LFO7NVPZGUMTX.json","view_paper":"https://pith.science/paper/4MXYZNVO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.03031&json=true","fetch_graph":"https://pith.science/api/pith-number/4MXYZNVOFZ3U3LFO7NVPZGUMTX/graph.json","fetch_events":"https://pith.science/api/pith-number/4MXYZNVOFZ3U3LFO7NVPZGUMTX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4MXYZNVOFZ3U3LFO7NVPZGUMTX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4MXYZNVOFZ3U3LFO7NVPZGUMTX/action/storage_attestation","attest_author":"https://pith.science/pith/4MXYZNVOFZ3U3LFO7NVPZGUMTX/action/author_attestation","sign_citation":"https://pith.science/pith/4MXYZNVOFZ3U3LFO7NVPZGUMTX/action/citation_signature","submit_replication":"https://pith.science/pith/4MXYZNVOFZ3U3LFO7NVPZGUMTX/action/replication_record"}},"created_at":"2026-05-18T01:16:12.902468+00:00","updated_at":"2026-05-18T01:16:12.902468+00:00"}