{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:VJVO43RND7YGWCJVGCZO7KWYAM","short_pith_number":"pith:VJVO43RN","schema_version":"1.0","canonical_sha256":"aa6aee6e2d1ff06b093530b2efaad80302440759d668a96a85a42ee414fdf9e4","source":{"kind":"arxiv","id":"1204.0787","version":2},"attestation_state":"computed","paper":{"title":"Nucleosynthesis and the Inhomogeneous Chemical Evolution of the Carina Dwarf Galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Amina Helmi, Andreas Kaufer, Bertrand Lemasle, Bruno Letarte, Charles Baldner, Eline Tolstoy, Else Starkenburg, Francesca Primas, Giuseppina Battaglia, Kim Venn, Matthew Shetrone, Mike Divell, Mike Irwin, Pascale Jablonka, Vanessa Hill","submitted_at":"2012-04-03T20:00:02Z","abstract_excerpt":"The detailed abundances of 23 elements in nine bright RGB stars in the Carina dSph are presented based on high resolution spectra gathered at the VLT and Magellan telescopes. A spherical model atmospheres analysis is applied using standard methods to spectra ranging from 380 to 680 nm. The stars in this analysis range from -2.9 < [Fe/H] < -1.3, and adopting the ages determined by Lemasle et al. (2012), we are able to examine the chemical evolution of Carina's old and intermediate-aged populations. One of the main results from this work is the evidence for inhomogeneous mixing in Carina; a larg"},"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":"1204.0787","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-04-03T20:00:02Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"70b315941a9512268442185d1d30d45b77bb97644e278dfb68544efdbbb04498","abstract_canon_sha256":"92be41709f286c1b79a305283e561a31dd2431a1c457e440b77fe2d6ace97ba5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:57.488450Z","signature_b64":"IavE7n15dPO5xpENFdMagF4ahSva2Ztf0xZVnCDGow+HbjTJwpxHmgzesK7W/3Zo7hOxmjPjS3OzDHem89erAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa6aee6e2d1ff06b093530b2efaad80302440759d668a96a85a42ee414fdf9e4","last_reissued_at":"2026-05-18T01:57:57.487918Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:57.487918Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nucleosynthesis and the Inhomogeneous Chemical Evolution of the Carina Dwarf Galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Amina Helmi, Andreas Kaufer, Bertrand Lemasle, Bruno Letarte, Charles Baldner, Eline Tolstoy, Else Starkenburg, Francesca Primas, Giuseppina Battaglia, Kim Venn, Matthew Shetrone, Mike Divell, Mike Irwin, Pascale Jablonka, Vanessa Hill","submitted_at":"2012-04-03T20:00:02Z","abstract_excerpt":"The detailed abundances of 23 elements in nine bright RGB stars in the Carina dSph are presented based on high resolution spectra gathered at the VLT and Magellan telescopes. A spherical model atmospheres analysis is applied using standard methods to spectra ranging from 380 to 680 nm. The stars in this analysis range from -2.9 < [Fe/H] < -1.3, and adopting the ages determined by Lemasle et al. (2012), we are able to examine the chemical evolution of Carina's old and intermediate-aged populations. One of the main results from this work is the evidence for inhomogeneous mixing in Carina; a larg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0787","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":"1204.0787","created_at":"2026-05-18T01:57:57.487992+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.0787v2","created_at":"2026-05-18T01:57:57.487992+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0787","created_at":"2026-05-18T01:57:57.487992+00:00"},{"alias_kind":"pith_short_12","alias_value":"VJVO43RND7YG","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_16","alias_value":"VJVO43RND7YGWCJV","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_8","alias_value":"VJVO43RN","created_at":"2026-05-18T12:27:25.539911+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/VJVO43RND7YGWCJVGCZO7KWYAM","json":"https://pith.science/pith/VJVO43RND7YGWCJVGCZO7KWYAM.json","graph_json":"https://pith.science/api/pith-number/VJVO43RND7YGWCJVGCZO7KWYAM/graph.json","events_json":"https://pith.science/api/pith-number/VJVO43RND7YGWCJVGCZO7KWYAM/events.json","paper":"https://pith.science/paper/VJVO43RN"},"agent_actions":{"view_html":"https://pith.science/pith/VJVO43RND7YGWCJVGCZO7KWYAM","download_json":"https://pith.science/pith/VJVO43RND7YGWCJVGCZO7KWYAM.json","view_paper":"https://pith.science/paper/VJVO43RN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.0787&json=true","fetch_graph":"https://pith.science/api/pith-number/VJVO43RND7YGWCJVGCZO7KWYAM/graph.json","fetch_events":"https://pith.science/api/pith-number/VJVO43RND7YGWCJVGCZO7KWYAM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VJVO43RND7YGWCJVGCZO7KWYAM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VJVO43RND7YGWCJVGCZO7KWYAM/action/storage_attestation","attest_author":"https://pith.science/pith/VJVO43RND7YGWCJVGCZO7KWYAM/action/author_attestation","sign_citation":"https://pith.science/pith/VJVO43RND7YGWCJVGCZO7KWYAM/action/citation_signature","submit_replication":"https://pith.science/pith/VJVO43RND7YGWCJVGCZO7KWYAM/action/replication_record"}},"created_at":"2026-05-18T01:57:57.487992+00:00","updated_at":"2026-05-18T01:57:57.487992+00:00"}