{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:IPM5HFC44DK3YQPAOG4RGIS6N6","short_pith_number":"pith:IPM5HFC4","schema_version":"1.0","canonical_sha256":"43d9d3945ce0d5bc41e071b913225e6f843aba0b26a0624eb199785f9549bd14","source":{"kind":"arxiv","id":"1601.05640","version":1},"attestation_state":"computed","paper":{"title":"The temperature and chronology of heavy-element synthesis in low-mass stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alain Jorissen, Bertrand Plez, Lionel Siess, Pieter Neyskens, Sophie Van Eck, Stephane Goriely","submitted_at":"2016-01-21T14:06:40Z","abstract_excerpt":"Roughly half of the heavy elements (atomic mass greater than that of iron) are believed to be synthesized in the late evolutionary stages of stars with masses between 0.8 and 8 solar masses. Deep inside the star, nuclei (mainly iron) capture neutrons and progressively build up (through the slow-neutron-capture process, or s-process) heavier elements that are subsequently brought to the stellar surface by convection. Two neutron sources, activated at distinct temperatures, have been proposed: 13C and 22Ne, each releasing one neutron per alpha-particle (4He) captured. To explain the measured ste"},"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":"1601.05640","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-01-21T14:06:40Z","cross_cats_sorted":[],"title_canon_sha256":"799d2300957c3c10a6a96cc85c5873b006f20df92b46f5f429d1840b0021b047","abstract_canon_sha256":"670673e1eca5db91e60faf7100b330a017013b2d712bf70b8f234b13cbbf48a5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:13.297857Z","signature_b64":"8XJWvgU6PZlweMAaMwtghra9GpUu/YsIkmlxLMAXg8RN2uiz2S+lnbt5f3cfJmAj/fPLG815BFAvfGOvhYEJCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43d9d3945ce0d5bc41e071b913225e6f843aba0b26a0624eb199785f9549bd14","last_reissued_at":"2026-05-18T01:22:13.297423Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:13.297423Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The temperature and chronology of heavy-element synthesis in low-mass stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alain Jorissen, Bertrand Plez, Lionel Siess, Pieter Neyskens, Sophie Van Eck, Stephane Goriely","submitted_at":"2016-01-21T14:06:40Z","abstract_excerpt":"Roughly half of the heavy elements (atomic mass greater than that of iron) are believed to be synthesized in the late evolutionary stages of stars with masses between 0.8 and 8 solar masses. Deep inside the star, nuclei (mainly iron) capture neutrons and progressively build up (through the slow-neutron-capture process, or s-process) heavier elements that are subsequently brought to the stellar surface by convection. Two neutron sources, activated at distinct temperatures, have been proposed: 13C and 22Ne, each releasing one neutron per alpha-particle (4He) captured. To explain the measured ste"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.05640","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":"1601.05640","created_at":"2026-05-18T01:22:13.297494+00:00"},{"alias_kind":"arxiv_version","alias_value":"1601.05640v1","created_at":"2026-05-18T01:22:13.297494+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.05640","created_at":"2026-05-18T01:22:13.297494+00:00"},{"alias_kind":"pith_short_12","alias_value":"IPM5HFC44DK3","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_16","alias_value":"IPM5HFC44DK3YQPA","created_at":"2026-05-18T12:30:22.444734+00:00"},{"alias_kind":"pith_short_8","alias_value":"IPM5HFC4","created_at":"2026-05-18T12:30:22.444734+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/IPM5HFC44DK3YQPAOG4RGIS6N6","json":"https://pith.science/pith/IPM5HFC44DK3YQPAOG4RGIS6N6.json","graph_json":"https://pith.science/api/pith-number/IPM5HFC44DK3YQPAOG4RGIS6N6/graph.json","events_json":"https://pith.science/api/pith-number/IPM5HFC44DK3YQPAOG4RGIS6N6/events.json","paper":"https://pith.science/paper/IPM5HFC4"},"agent_actions":{"view_html":"https://pith.science/pith/IPM5HFC44DK3YQPAOG4RGIS6N6","download_json":"https://pith.science/pith/IPM5HFC44DK3YQPAOG4RGIS6N6.json","view_paper":"https://pith.science/paper/IPM5HFC4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1601.05640&json=true","fetch_graph":"https://pith.science/api/pith-number/IPM5HFC44DK3YQPAOG4RGIS6N6/graph.json","fetch_events":"https://pith.science/api/pith-number/IPM5HFC44DK3YQPAOG4RGIS6N6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IPM5HFC44DK3YQPAOG4RGIS6N6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IPM5HFC44DK3YQPAOG4RGIS6N6/action/storage_attestation","attest_author":"https://pith.science/pith/IPM5HFC44DK3YQPAOG4RGIS6N6/action/author_attestation","sign_citation":"https://pith.science/pith/IPM5HFC44DK3YQPAOG4RGIS6N6/action/citation_signature","submit_replication":"https://pith.science/pith/IPM5HFC44DK3YQPAOG4RGIS6N6/action/replication_record"}},"created_at":"2026-05-18T01:22:13.297494+00:00","updated_at":"2026-05-18T01:22:13.297494+00:00"}