{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:ZYEHRSOFG4QYE4IXPHYC746MMO","short_pith_number":"pith:ZYEHRSOF","schema_version":"1.0","canonical_sha256":"ce0878c9c5372182711779f02ff3cc63a9a34272da207483678a348cbc857e46","source":{"kind":"arxiv","id":"1701.02423","version":1},"attestation_state":"computed","paper":{"title":"Sc and neutron-capture abundances in Galactic low- and high-alpha field halo stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Alves-Brito, A. I. Karakas, A. R. Casey, C. K. Fishlock, C. Kobayashi, D. Yong, J. Melendez, P. E. Nissen","submitted_at":"2017-01-10T02:59:33Z","abstract_excerpt":"We determine relative abundance ratios for the neutron-capture elements Zr, La, Ce, Nd, and Eu for a sample of 27 Galactic dwarf stars with -1.5 < [Fe/H] <-0.8. We also measure the iron-peak element Sc. These stars separate into three populations (low- and high-alpha halo and thick-disc stars) based on the [alpha/Fe] abundance ratio and their kinematics as discovered by Nissen & Schuster. We find differences between the low- and high-alpha groups in the abundance ratios of [Sc/Fe], [Zr/Fe], [La/Zr], [Y/Eu], and [Ba/Eu] when including Y and Ba from Nissen & Schuster. For all ratios except [La/Z"},"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":"1701.02423","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-01-10T02:59:33Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"098baa6689d39fe29c90b15c0e27b7ac4978ccbfd1c9c9f90d9bd18b43817c1b","abstract_canon_sha256":"2f808a34048852e0cbb58ebe0e6ee237b4efed32256a03843e9f99d4251cd1fb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:35.278884Z","signature_b64":"OHVs8bd75z+T2V19VbyAluyX7ACgSuIDX5kEfOqYKnMlHth9PYti/8KZ2qN3Su/2GqxjhPW53mkRQ/bhv1iDAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ce0878c9c5372182711779f02ff3cc63a9a34272da207483678a348cbc857e46","last_reissued_at":"2026-05-18T00:52:35.278482Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:35.278482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sc and neutron-capture abundances in Galactic low- and high-alpha field halo stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Alves-Brito, A. I. Karakas, A. R. Casey, C. K. Fishlock, C. Kobayashi, D. Yong, J. Melendez, P. E. Nissen","submitted_at":"2017-01-10T02:59:33Z","abstract_excerpt":"We determine relative abundance ratios for the neutron-capture elements Zr, La, Ce, Nd, and Eu for a sample of 27 Galactic dwarf stars with -1.5 < [Fe/H] <-0.8. We also measure the iron-peak element Sc. These stars separate into three populations (low- and high-alpha halo and thick-disc stars) based on the [alpha/Fe] abundance ratio and their kinematics as discovered by Nissen & Schuster. We find differences between the low- and high-alpha groups in the abundance ratios of [Sc/Fe], [Zr/Fe], [La/Zr], [Y/Eu], and [Ba/Eu] when including Y and Ba from Nissen & Schuster. For all ratios except [La/Z"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.02423","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":"1701.02423","created_at":"2026-05-18T00:52:35.278543+00:00"},{"alias_kind":"arxiv_version","alias_value":"1701.02423v1","created_at":"2026-05-18T00:52:35.278543+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.02423","created_at":"2026-05-18T00:52:35.278543+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZYEHRSOFG4QY","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZYEHRSOFG4QYE4IX","created_at":"2026-05-18T12:31:59.375834+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZYEHRSOF","created_at":"2026-05-18T12:31:59.375834+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/ZYEHRSOFG4QYE4IXPHYC746MMO","json":"https://pith.science/pith/ZYEHRSOFG4QYE4IXPHYC746MMO.json","graph_json":"https://pith.science/api/pith-number/ZYEHRSOFG4QYE4IXPHYC746MMO/graph.json","events_json":"https://pith.science/api/pith-number/ZYEHRSOFG4QYE4IXPHYC746MMO/events.json","paper":"https://pith.science/paper/ZYEHRSOF"},"agent_actions":{"view_html":"https://pith.science/pith/ZYEHRSOFG4QYE4IXPHYC746MMO","download_json":"https://pith.science/pith/ZYEHRSOFG4QYE4IXPHYC746MMO.json","view_paper":"https://pith.science/paper/ZYEHRSOF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1701.02423&json=true","fetch_graph":"https://pith.science/api/pith-number/ZYEHRSOFG4QYE4IXPHYC746MMO/graph.json","fetch_events":"https://pith.science/api/pith-number/ZYEHRSOFG4QYE4IXPHYC746MMO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZYEHRSOFG4QYE4IXPHYC746MMO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZYEHRSOFG4QYE4IXPHYC746MMO/action/storage_attestation","attest_author":"https://pith.science/pith/ZYEHRSOFG4QYE4IXPHYC746MMO/action/author_attestation","sign_citation":"https://pith.science/pith/ZYEHRSOFG4QYE4IXPHYC746MMO/action/citation_signature","submit_replication":"https://pith.science/pith/ZYEHRSOFG4QYE4IXPHYC746MMO/action/replication_record"}},"created_at":"2026-05-18T00:52:35.278543+00:00","updated_at":"2026-05-18T00:52:35.278543+00:00"}