{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:V6FTPQZVZVJFHKIKPQWJEUG5HZ","short_pith_number":"pith:V6FTPQZV","schema_version":"1.0","canonical_sha256":"af8b37c335cd5253a90a7c2c9250dd3e488c702c094352619bcef798f68c9ff1","source":{"kind":"arxiv","id":"1608.07682","version":1},"attestation_state":"computed","paper":{"title":"Footprints of the weak s-process in the carbon-enhanced metal-poor star ET0097","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Bo Zhang, Guochao Yang, Hongjie Li, Nian Liu, Wenyuan Cui, Yanchun Liang","submitted_at":"2016-08-27T09:22:28Z","abstract_excerpt":"Historically, the weak s-process contribution to metal-poor stars is thought to be extremely small, due to the effect of the secondary-like nature of the neutron source 22Ne(a;n)25Mg in massive stars, which means that metal-poor weak s-process stars could not be found. ET0097 is the first observed carbon-enhanced metal-poor (CEMP) star in the Sculptor dwarf spheroidal galaxy. Because C is enriched and the elements heavier than Ba are not overabundant, ET0097 can be classified as a CEMP-no star. However, this star shows overabundances of lighter n-capture elements (i.e., Sr, Y and Zr). In this "},"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":"1608.07682","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-08-27T09:22:28Z","cross_cats_sorted":[],"title_canon_sha256":"e6b54d878a533075db41b826e418c0c1fdd994fadace5dd5efd3d906db94926b","abstract_canon_sha256":"bddd5f2713a319d4dfd5e034bf87befa56feeac7ba4501f0578d46f9b3320610"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:50.115187Z","signature_b64":"S0b+aQjOqIhHwO0seAG31wipeVXnCK6UdQC9KB0Ms9IlXqBGIS+Kz5P7PORvG+gc5nEJeTvhPPUauqfwXlibAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"af8b37c335cd5253a90a7c2c9250dd3e488c702c094352619bcef798f68c9ff1","last_reissued_at":"2026-05-18T01:07:50.114768Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:50.114768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Footprints of the weak s-process in the carbon-enhanced metal-poor star ET0097","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Bo Zhang, Guochao Yang, Hongjie Li, Nian Liu, Wenyuan Cui, Yanchun Liang","submitted_at":"2016-08-27T09:22:28Z","abstract_excerpt":"Historically, the weak s-process contribution to metal-poor stars is thought to be extremely small, due to the effect of the secondary-like nature of the neutron source 22Ne(a;n)25Mg in massive stars, which means that metal-poor weak s-process stars could not be found. ET0097 is the first observed carbon-enhanced metal-poor (CEMP) star in the Sculptor dwarf spheroidal galaxy. Because C is enriched and the elements heavier than Ba are not overabundant, ET0097 can be classified as a CEMP-no star. However, this star shows overabundances of lighter n-capture elements (i.e., Sr, Y and Zr). In this "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.07682","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":"1608.07682","created_at":"2026-05-18T01:07:50.114827+00:00"},{"alias_kind":"arxiv_version","alias_value":"1608.07682v1","created_at":"2026-05-18T01:07:50.114827+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.07682","created_at":"2026-05-18T01:07:50.114827+00:00"},{"alias_kind":"pith_short_12","alias_value":"V6FTPQZVZVJF","created_at":"2026-05-18T12:30:48.956258+00:00"},{"alias_kind":"pith_short_16","alias_value":"V6FTPQZVZVJFHKIK","created_at":"2026-05-18T12:30:48.956258+00:00"},{"alias_kind":"pith_short_8","alias_value":"V6FTPQZV","created_at":"2026-05-18T12:30:48.956258+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/V6FTPQZVZVJFHKIKPQWJEUG5HZ","json":"https://pith.science/pith/V6FTPQZVZVJFHKIKPQWJEUG5HZ.json","graph_json":"https://pith.science/api/pith-number/V6FTPQZVZVJFHKIKPQWJEUG5HZ/graph.json","events_json":"https://pith.science/api/pith-number/V6FTPQZVZVJFHKIKPQWJEUG5HZ/events.json","paper":"https://pith.science/paper/V6FTPQZV"},"agent_actions":{"view_html":"https://pith.science/pith/V6FTPQZVZVJFHKIKPQWJEUG5HZ","download_json":"https://pith.science/pith/V6FTPQZVZVJFHKIKPQWJEUG5HZ.json","view_paper":"https://pith.science/paper/V6FTPQZV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1608.07682&json=true","fetch_graph":"https://pith.science/api/pith-number/V6FTPQZVZVJFHKIKPQWJEUG5HZ/graph.json","fetch_events":"https://pith.science/api/pith-number/V6FTPQZVZVJFHKIKPQWJEUG5HZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/V6FTPQZVZVJFHKIKPQWJEUG5HZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/V6FTPQZVZVJFHKIKPQWJEUG5HZ/action/storage_attestation","attest_author":"https://pith.science/pith/V6FTPQZVZVJFHKIKPQWJEUG5HZ/action/author_attestation","sign_citation":"https://pith.science/pith/V6FTPQZVZVJFHKIKPQWJEUG5HZ/action/citation_signature","submit_replication":"https://pith.science/pith/V6FTPQZVZVJFHKIKPQWJEUG5HZ/action/replication_record"}},"created_at":"2026-05-18T01:07:50.114827+00:00","updated_at":"2026-05-18T01:07:50.114827+00:00"}