{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:W7Z7CLAUTMJVCO6WJXMV5JYI4I","short_pith_number":"pith:W7Z7CLAU","schema_version":"1.0","canonical_sha256":"b7f3f12c149b13513bd64dd95ea708e235c4830691fcfcc0e1405854347c4bef","source":{"kind":"arxiv","id":"1801.09474","version":2},"attestation_state":"computed","paper":{"title":"C/O vs Mg/Si ratios in solar type stars: The HARPS sample","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"E. Delgado Mena, G. Israelian, J.I. Gonz\\'alez Hern\\'andez, L. Su\\'arez-Andr\\'es, N. C. Santos, S. G. Sousa, V. Zh. Adibekyan","submitted_at":"2018-01-29T12:35:07Z","abstract_excerpt":"Aims. We present a detailed study of the Mg/Si and C/O ratios and their importance in determining the mineralogy of planetary companions. Methods. Using 499 solar-like stars from the HARPS sample, we determine C/O and Mg/Si elemental abundance ratios to study the nature of the possible planets formed. We separated the planetary population in low-mass planets ( < 30 $\\rm M_{\\odot}$) and high-mass planets ( > 30 $\\rm M_{\\odot}$) to test for possible relation with the mass. Results. We find a diversity of mineralogical ratios that reveal the different kinds of planetary systems that can be formed"},"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":"1801.09474","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-01-29T12:35:07Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"9aa99aa07787a2ba4bb29c4b14fc91a43e0c166c7e27e74e47ec5c6f4a84fe46","abstract_canon_sha256":"1c53a91fbd3478c956c7343b1323b3a08c0624b94c53742d2a5f1e7e15d2c0fd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:53.454989Z","signature_b64":"LvkWh+aIoMmbCKShdpHvGJyz7mpRU3eB6CTAfISzC0RKOYSPx67dSLSTlhonHHfEvXKbCSctckTB0phPYmIgAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7f3f12c149b13513bd64dd95ea708e235c4830691fcfcc0e1405854347c4bef","last_reissued_at":"2026-05-18T00:12:53.454420Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:53.454420Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"C/O vs Mg/Si ratios in solar type stars: The HARPS sample","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"E. Delgado Mena, G. Israelian, J.I. Gonz\\'alez Hern\\'andez, L. Su\\'arez-Andr\\'es, N. C. Santos, S. G. Sousa, V. Zh. Adibekyan","submitted_at":"2018-01-29T12:35:07Z","abstract_excerpt":"Aims. We present a detailed study of the Mg/Si and C/O ratios and their importance in determining the mineralogy of planetary companions. Methods. Using 499 solar-like stars from the HARPS sample, we determine C/O and Mg/Si elemental abundance ratios to study the nature of the possible planets formed. We separated the planetary population in low-mass planets ( < 30 $\\rm M_{\\odot}$) and high-mass planets ( > 30 $\\rm M_{\\odot}$) to test for possible relation with the mass. Results. We find a diversity of mineralogical ratios that reveal the different kinds of planetary systems that can be formed"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.09474","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":"1801.09474","created_at":"2026-05-18T00:12:53.454514+00:00"},{"alias_kind":"arxiv_version","alias_value":"1801.09474v2","created_at":"2026-05-18T00:12:53.454514+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.09474","created_at":"2026-05-18T00:12:53.454514+00:00"},{"alias_kind":"pith_short_12","alias_value":"W7Z7CLAUTMJV","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"W7Z7CLAUTMJVCO6W","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"W7Z7CLAU","created_at":"2026-05-18T12:32:59.047623+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/W7Z7CLAUTMJVCO6WJXMV5JYI4I","json":"https://pith.science/pith/W7Z7CLAUTMJVCO6WJXMV5JYI4I.json","graph_json":"https://pith.science/api/pith-number/W7Z7CLAUTMJVCO6WJXMV5JYI4I/graph.json","events_json":"https://pith.science/api/pith-number/W7Z7CLAUTMJVCO6WJXMV5JYI4I/events.json","paper":"https://pith.science/paper/W7Z7CLAU"},"agent_actions":{"view_html":"https://pith.science/pith/W7Z7CLAUTMJVCO6WJXMV5JYI4I","download_json":"https://pith.science/pith/W7Z7CLAUTMJVCO6WJXMV5JYI4I.json","view_paper":"https://pith.science/paper/W7Z7CLAU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1801.09474&json=true","fetch_graph":"https://pith.science/api/pith-number/W7Z7CLAUTMJVCO6WJXMV5JYI4I/graph.json","fetch_events":"https://pith.science/api/pith-number/W7Z7CLAUTMJVCO6WJXMV5JYI4I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/W7Z7CLAUTMJVCO6WJXMV5JYI4I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/W7Z7CLAUTMJVCO6WJXMV5JYI4I/action/storage_attestation","attest_author":"https://pith.science/pith/W7Z7CLAUTMJVCO6WJXMV5JYI4I/action/author_attestation","sign_citation":"https://pith.science/pith/W7Z7CLAUTMJVCO6WJXMV5JYI4I/action/citation_signature","submit_replication":"https://pith.science/pith/W7Z7CLAUTMJVCO6WJXMV5JYI4I/action/replication_record"}},"created_at":"2026-05-18T00:12:53.454514+00:00","updated_at":"2026-05-18T00:12:53.454514+00:00"}