{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:3JDUB7VOTG65JMSRZCNYW2F726","short_pith_number":"pith:3JDUB7VO","schema_version":"1.0","canonical_sha256":"da4740feae99bdd4b251c89b8b68bfd7855f24545c891105c4150eda14d201a6","source":{"kind":"arxiv","id":"1406.6686","version":1},"attestation_state":"computed","paper":{"title":"Stellar abundances and presolar grains trace the nucleosynthetic origin of molybdenum and ruthenium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Anja C. Andersen, Camilla J. Hansen, Norbert Christlieb","submitted_at":"2014-06-25T20:00:01Z","abstract_excerpt":"This work presents a large consistent study of molybdenum (Mo) and ruthenium (Ru) abundances in the Milky Way. These two elements are important nucleosynthetic diagnostics. In our sample of 71 Galactic metal-poor field stars, we detect Ru and/or Mo in 51 of these (59 including upper limits). The sample consists of high-resolution, high signal-to-noise spectra covering both dwarfs and giants from [Fe/H]=-0.63 down to -3.16. Thus we provide information on the behaviour of Mo I and Ru I at higher and lower metallicity than is currently known. We find a wide spread in the Mo and Ru abundances, whi"},"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":"1406.6686","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-06-25T20:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"6e9c972668de437e6be9fa9a3225d401c5a0222647e315821328421a94cd37d5","abstract_canon_sha256":"998dbdbef34d06cceb0b0efa2312678d4b12c28b1f24f76d2dd6c43805cb7a91"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:43:34.739691Z","signature_b64":"KGLNJIjo9xBGzmNNIdggqmNLeW5gWfH/YhCWAL0hE5H3mYzACWj1J73K0oxdiEwOXBSz2PqGBle1aMrYRohsDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da4740feae99bdd4b251c89b8b68bfd7855f24545c891105c4150eda14d201a6","last_reissued_at":"2026-05-18T02:43:34.739034Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:43:34.739034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stellar abundances and presolar grains trace the nucleosynthetic origin of molybdenum and ruthenium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Anja C. Andersen, Camilla J. Hansen, Norbert Christlieb","submitted_at":"2014-06-25T20:00:01Z","abstract_excerpt":"This work presents a large consistent study of molybdenum (Mo) and ruthenium (Ru) abundances in the Milky Way. These two elements are important nucleosynthetic diagnostics. In our sample of 71 Galactic metal-poor field stars, we detect Ru and/or Mo in 51 of these (59 including upper limits). The sample consists of high-resolution, high signal-to-noise spectra covering both dwarfs and giants from [Fe/H]=-0.63 down to -3.16. Thus we provide information on the behaviour of Mo I and Ru I at higher and lower metallicity than is currently known. We find a wide spread in the Mo and Ru abundances, whi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6686","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":"1406.6686","created_at":"2026-05-18T02:43:34.739136+00:00"},{"alias_kind":"arxiv_version","alias_value":"1406.6686v1","created_at":"2026-05-18T02:43:34.739136+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6686","created_at":"2026-05-18T02:43:34.739136+00:00"},{"alias_kind":"pith_short_12","alias_value":"3JDUB7VOTG65","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_16","alias_value":"3JDUB7VOTG65JMSR","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_8","alias_value":"3JDUB7VO","created_at":"2026-05-18T12:28:11.866339+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/3JDUB7VOTG65JMSRZCNYW2F726","json":"https://pith.science/pith/3JDUB7VOTG65JMSRZCNYW2F726.json","graph_json":"https://pith.science/api/pith-number/3JDUB7VOTG65JMSRZCNYW2F726/graph.json","events_json":"https://pith.science/api/pith-number/3JDUB7VOTG65JMSRZCNYW2F726/events.json","paper":"https://pith.science/paper/3JDUB7VO"},"agent_actions":{"view_html":"https://pith.science/pith/3JDUB7VOTG65JMSRZCNYW2F726","download_json":"https://pith.science/pith/3JDUB7VOTG65JMSRZCNYW2F726.json","view_paper":"https://pith.science/paper/3JDUB7VO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1406.6686&json=true","fetch_graph":"https://pith.science/api/pith-number/3JDUB7VOTG65JMSRZCNYW2F726/graph.json","fetch_events":"https://pith.science/api/pith-number/3JDUB7VOTG65JMSRZCNYW2F726/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3JDUB7VOTG65JMSRZCNYW2F726/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3JDUB7VOTG65JMSRZCNYW2F726/action/storage_attestation","attest_author":"https://pith.science/pith/3JDUB7VOTG65JMSRZCNYW2F726/action/author_attestation","sign_citation":"https://pith.science/pith/3JDUB7VOTG65JMSRZCNYW2F726/action/citation_signature","submit_replication":"https://pith.science/pith/3JDUB7VOTG65JMSRZCNYW2F726/action/replication_record"}},"created_at":"2026-05-18T02:43:34.739136+00:00","updated_at":"2026-05-18T02:43:34.739136+00:00"}