{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:UDVR4F7AYVYUIPWFVABMEHSWPY","short_pith_number":"pith:UDVR4F7A","schema_version":"1.0","canonical_sha256":"a0eb1e17e0c571443ec5a802c21e567e3d6124175fbd120ad2fa97f77604cce4","source":{"kind":"arxiv","id":"1009.4496","version":1},"attestation_state":"computed","paper":{"title":"The Ubiquity of the Rapid Neutron-Capture Process","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A.I. Karakas, C. Sneden, I.U. Roederer, J.J. Cowan, J. Simmerer, K. Farouqi, K.-L. Kratz, M. Lugaro","submitted_at":"2010-09-22T22:40:50Z","abstract_excerpt":"To better characterize the abundance patterns produced by the r-process, we have derived new abundances or upper limits for the heavy elements zinc (Zn), yttrium (Y), lanthanum (La), europium (Eu), and lead (Pb). Our sample of 161 metal-poor stars includes new measurements from 88 high resolution and high signal-to-noise spectra obtained with the Tull Spectrograph on the 2.7m Smith Telescope at McDonald Observatory, and other abundances are adopted from the literature. We use models of the s-process in AGB stars to characterize the high Pb/Eu ratios produced in the s-process at low metallicity"},"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":"1009.4496","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-09-22T22:40:50Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"808312d589487cf47445862c1de852d0aaacf7ed364aae6085b9d04f000ee263","abstract_canon_sha256":"eeb184c3cbe51d331ecc83cce3048ed0c996ea200fae0251f9299c102e4bc3e2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:18.345494Z","signature_b64":"VA7NCyz7Ur0q+BlGCU3xAmYOF9FjI5oveXYatRDHHLNtW9L4oRM/1GjVhSwiY38Ah01b6ZfIZw5mjfesbsbcCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0eb1e17e0c571443ec5a802c21e567e3d6124175fbd120ad2fa97f77604cce4","last_reissued_at":"2026-05-18T02:05:18.344844Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:18.344844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Ubiquity of the Rapid Neutron-Capture Process","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A.I. Karakas, C. Sneden, I.U. Roederer, J.J. Cowan, J. Simmerer, K. Farouqi, K.-L. Kratz, M. Lugaro","submitted_at":"2010-09-22T22:40:50Z","abstract_excerpt":"To better characterize the abundance patterns produced by the r-process, we have derived new abundances or upper limits for the heavy elements zinc (Zn), yttrium (Y), lanthanum (La), europium (Eu), and lead (Pb). Our sample of 161 metal-poor stars includes new measurements from 88 high resolution and high signal-to-noise spectra obtained with the Tull Spectrograph on the 2.7m Smith Telescope at McDonald Observatory, and other abundances are adopted from the literature. We use models of the s-process in AGB stars to characterize the high Pb/Eu ratios produced in the s-process at low metallicity"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1009.4496","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":"1009.4496","created_at":"2026-05-18T02:05:18.344930+00:00"},{"alias_kind":"arxiv_version","alias_value":"1009.4496v1","created_at":"2026-05-18T02:05:18.344930+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1009.4496","created_at":"2026-05-18T02:05:18.344930+00:00"},{"alias_kind":"pith_short_12","alias_value":"UDVR4F7AYVYU","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_16","alias_value":"UDVR4F7AYVYUIPWF","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_8","alias_value":"UDVR4F7A","created_at":"2026-05-18T12:26:15.391820+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/UDVR4F7AYVYUIPWFVABMEHSWPY","json":"https://pith.science/pith/UDVR4F7AYVYUIPWFVABMEHSWPY.json","graph_json":"https://pith.science/api/pith-number/UDVR4F7AYVYUIPWFVABMEHSWPY/graph.json","events_json":"https://pith.science/api/pith-number/UDVR4F7AYVYUIPWFVABMEHSWPY/events.json","paper":"https://pith.science/paper/UDVR4F7A"},"agent_actions":{"view_html":"https://pith.science/pith/UDVR4F7AYVYUIPWFVABMEHSWPY","download_json":"https://pith.science/pith/UDVR4F7AYVYUIPWFVABMEHSWPY.json","view_paper":"https://pith.science/paper/UDVR4F7A","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1009.4496&json=true","fetch_graph":"https://pith.science/api/pith-number/UDVR4F7AYVYUIPWFVABMEHSWPY/graph.json","fetch_events":"https://pith.science/api/pith-number/UDVR4F7AYVYUIPWFVABMEHSWPY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UDVR4F7AYVYUIPWFVABMEHSWPY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UDVR4F7AYVYUIPWFVABMEHSWPY/action/storage_attestation","attest_author":"https://pith.science/pith/UDVR4F7AYVYUIPWFVABMEHSWPY/action/author_attestation","sign_citation":"https://pith.science/pith/UDVR4F7AYVYUIPWFVABMEHSWPY/action/citation_signature","submit_replication":"https://pith.science/pith/UDVR4F7AYVYUIPWFVABMEHSWPY/action/replication_record"}},"created_at":"2026-05-18T02:05:18.344930+00:00","updated_at":"2026-05-18T02:05:18.344930+00:00"}