{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:BHR3YYFJQS5E6WZFDNHUJOQQ4G","short_pith_number":"pith:BHR3YYFJ","schema_version":"1.0","canonical_sha256":"09e3bc60a984ba4f5b251b4f44ba10e1a809821971bea97f18fa7d647bfc9df9","source":{"kind":"arxiv","id":"1606.09318","version":1},"attestation_state":"computed","paper":{"title":"The odd-isotope fractions of Barium in CEMP-r/s star HE 0338-3945 and r-II star CS 31082-001","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Bo Zhang, Gang Zhao, Jianrong Shi, Ji Li, Wenyuan Cui, Xiaohua Jiang, Xiaoying Meng","submitted_at":"2016-06-30T01:11:02Z","abstract_excerpt":"We report the first measurement of the odd-isotope fractions for barium, \\fodd\\, in two extremely metal-poor stars: a CEMP-r/s star \\he\\ (\\feh\\,$=-2.42\\pm0.11$) and an r-II star \\cs\\ (\\feh\\,$=-2.90\\pm0.13$). The measured \\fodd\\ values are $0.23\\pm0.12$ corresponding to $34.3\\pm34.3$\\% of the r-process contributions for \\he\\ and $0.43\\pm0.09$ corresponding to $91.4\\pm25.7$\\% of the r-process contribution to Ba production for \\cs. The high r-process signature of barium in \\cs\\ ($91.4\\pm25.7\\%$) suggests that the majority of the heavy elements in this star were synthesised via an r-process path, "},"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":"1606.09318","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-06-30T01:11:02Z","cross_cats_sorted":[],"title_canon_sha256":"2c0bb63d21c210dfbcb66f468c0c32e3848b09dd7d878b10f93311fc0fd6a91f","abstract_canon_sha256":"52b9ee179579c7c8bddd8f7909239c564a645b186001e0fbc83a908dbe8d7d02"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:10.683241Z","signature_b64":"NmdkG3S7VNixJ8saPGOdZuj5yGp7nn7OdFsJMLQJfStTrResXrPm/39FJ/oYeHNK22in1us3HkCYT9cRebF4CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"09e3bc60a984ba4f5b251b4f44ba10e1a809821971bea97f18fa7d647bfc9df9","last_reissued_at":"2026-05-18T01:04:10.682585Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:10.682585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The odd-isotope fractions of Barium in CEMP-r/s star HE 0338-3945 and r-II star CS 31082-001","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Bo Zhang, Gang Zhao, Jianrong Shi, Ji Li, Wenyuan Cui, Xiaohua Jiang, Xiaoying Meng","submitted_at":"2016-06-30T01:11:02Z","abstract_excerpt":"We report the first measurement of the odd-isotope fractions for barium, \\fodd\\, in two extremely metal-poor stars: a CEMP-r/s star \\he\\ (\\feh\\,$=-2.42\\pm0.11$) and an r-II star \\cs\\ (\\feh\\,$=-2.90\\pm0.13$). The measured \\fodd\\ values are $0.23\\pm0.12$ corresponding to $34.3\\pm34.3$\\% of the r-process contributions for \\he\\ and $0.43\\pm0.09$ corresponding to $91.4\\pm25.7$\\% of the r-process contribution to Ba production for \\cs. The high r-process signature of barium in \\cs\\ ($91.4\\pm25.7\\%$) suggests that the majority of the heavy elements in this star were synthesised via an r-process path, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.09318","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":"1606.09318","created_at":"2026-05-18T01:04:10.682681+00:00"},{"alias_kind":"arxiv_version","alias_value":"1606.09318v1","created_at":"2026-05-18T01:04:10.682681+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.09318","created_at":"2026-05-18T01:04:10.682681+00:00"},{"alias_kind":"pith_short_12","alias_value":"BHR3YYFJQS5E","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_16","alias_value":"BHR3YYFJQS5E6WZF","created_at":"2026-05-18T12:30:07.202191+00:00"},{"alias_kind":"pith_short_8","alias_value":"BHR3YYFJ","created_at":"2026-05-18T12:30:07.202191+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.11074","citing_title":"Observational Signatures and Constraints on the Intermediate Neutron-Capture Process. The Case of the CEMP star TYC 6044-714-1 (RAVE J094921.8-161722)","ref_index":43,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BHR3YYFJQS5E6WZFDNHUJOQQ4G","json":"https://pith.science/pith/BHR3YYFJQS5E6WZFDNHUJOQQ4G.json","graph_json":"https://pith.science/api/pith-number/BHR3YYFJQS5E6WZFDNHUJOQQ4G/graph.json","events_json":"https://pith.science/api/pith-number/BHR3YYFJQS5E6WZFDNHUJOQQ4G/events.json","paper":"https://pith.science/paper/BHR3YYFJ"},"agent_actions":{"view_html":"https://pith.science/pith/BHR3YYFJQS5E6WZFDNHUJOQQ4G","download_json":"https://pith.science/pith/BHR3YYFJQS5E6WZFDNHUJOQQ4G.json","view_paper":"https://pith.science/paper/BHR3YYFJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1606.09318&json=true","fetch_graph":"https://pith.science/api/pith-number/BHR3YYFJQS5E6WZFDNHUJOQQ4G/graph.json","fetch_events":"https://pith.science/api/pith-number/BHR3YYFJQS5E6WZFDNHUJOQQ4G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BHR3YYFJQS5E6WZFDNHUJOQQ4G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BHR3YYFJQS5E6WZFDNHUJOQQ4G/action/storage_attestation","attest_author":"https://pith.science/pith/BHR3YYFJQS5E6WZFDNHUJOQQ4G/action/author_attestation","sign_citation":"https://pith.science/pith/BHR3YYFJQS5E6WZFDNHUJOQQ4G/action/citation_signature","submit_replication":"https://pith.science/pith/BHR3YYFJQS5E6WZFDNHUJOQQ4G/action/replication_record"}},"created_at":"2026-05-18T01:04:10.682681+00:00","updated_at":"2026-05-18T01:04:10.682681+00:00"}