{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:QXNYGWSFJQRJMTLTS44CSZYMCT","short_pith_number":"pith:QXNYGWSF","schema_version":"1.0","canonical_sha256":"85db835a454c22964d73973829670c14c0274b047960662caca60ac81ddae688","source":{"kind":"arxiv","id":"0902.0483","version":2},"attestation_state":"computed","paper":{"title":"Beryllium abundances and star formation in the halo and in the thick disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"B. Wolff, D. Galli, L. Pasquini, P. Bonifacio, R. G. Gratton, R. Smiljanic, S. Randich","submitted_at":"2009-02-03T11:51:31Z","abstract_excerpt":"[abridged] Beryllium is a pure product of cosmic ray spallation. This implies a relatively simple evolution in time of the beryllium abundance and suggests its use as a time-like observable. We study the evolution of Be in the early Galaxy and its dependence on kinematic and orbital parameters. We investigate the formation of the halo and the thick disk of the Galaxy and the use of Be as a cosmochronometer. Beryllium abundances are determined from high resolution, high signal to noise UVES spectra with spectrum synthesis in the largest sample of halo and thick disk stars analyzed to date. We p"},"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":"0902.0483","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-02-03T11:51:31Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"41ab328e349e67260970f0b79cef5d82d49c3cd2feefc685bc64e9f603e1e693","abstract_canon_sha256":"7bf3e5987031fc16103221c409bdd5e4543b05c56675216f5cbbda7e865d8818"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:54.467739Z","signature_b64":"LGjnbeBA4ulMHTskmK1b2YP7cgZgYIacBIzLmMAbkDW5YIdfKwAVE/5DXIj4bJin86j/OSgUstl1xPyUxAtDCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85db835a454c22964d73973829670c14c0274b047960662caca60ac81ddae688","last_reissued_at":"2026-05-18T02:14:54.467246Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:54.467246Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Beryllium abundances and star formation in the halo and in the thick disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"B. Wolff, D. Galli, L. Pasquini, P. Bonifacio, R. G. Gratton, R. Smiljanic, S. Randich","submitted_at":"2009-02-03T11:51:31Z","abstract_excerpt":"[abridged] Beryllium is a pure product of cosmic ray spallation. This implies a relatively simple evolution in time of the beryllium abundance and suggests its use as a time-like observable. We study the evolution of Be in the early Galaxy and its dependence on kinematic and orbital parameters. We investigate the formation of the halo and the thick disk of the Galaxy and the use of Be as a cosmochronometer. Beryllium abundances are determined from high resolution, high signal to noise UVES spectra with spectrum synthesis in the largest sample of halo and thick disk stars analyzed to date. We p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.0483","kind":"arxiv","version":2},"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":"0902.0483","created_at":"2026-05-18T02:14:54.467326+00:00"},{"alias_kind":"arxiv_version","alias_value":"0902.0483v2","created_at":"2026-05-18T02:14:54.467326+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.0483","created_at":"2026-05-18T02:14:54.467326+00:00"},{"alias_kind":"pith_short_12","alias_value":"QXNYGWSFJQRJ","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"QXNYGWSFJQRJMTLT","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"QXNYGWSF","created_at":"2026-05-18T12:26:01.383474+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2605.23746","citing_title":"Gaia-Sausage-Enceladus: Lithium evolution from early red-giant-branch and main-sequence stars","ref_index":37,"is_internal_anchor":true},{"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":247,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QXNYGWSFJQRJMTLTS44CSZYMCT","json":"https://pith.science/pith/QXNYGWSFJQRJMTLTS44CSZYMCT.json","graph_json":"https://pith.science/api/pith-number/QXNYGWSFJQRJMTLTS44CSZYMCT/graph.json","events_json":"https://pith.science/api/pith-number/QXNYGWSFJQRJMTLTS44CSZYMCT/events.json","paper":"https://pith.science/paper/QXNYGWSF"},"agent_actions":{"view_html":"https://pith.science/pith/QXNYGWSFJQRJMTLTS44CSZYMCT","download_json":"https://pith.science/pith/QXNYGWSFJQRJMTLTS44CSZYMCT.json","view_paper":"https://pith.science/paper/QXNYGWSF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0902.0483&json=true","fetch_graph":"https://pith.science/api/pith-number/QXNYGWSFJQRJMTLTS44CSZYMCT/graph.json","fetch_events":"https://pith.science/api/pith-number/QXNYGWSFJQRJMTLTS44CSZYMCT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QXNYGWSFJQRJMTLTS44CSZYMCT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QXNYGWSFJQRJMTLTS44CSZYMCT/action/storage_attestation","attest_author":"https://pith.science/pith/QXNYGWSFJQRJMTLTS44CSZYMCT/action/author_attestation","sign_citation":"https://pith.science/pith/QXNYGWSFJQRJMTLTS44CSZYMCT/action/citation_signature","submit_replication":"https://pith.science/pith/QXNYGWSFJQRJMTLTS44CSZYMCT/action/replication_record"}},"created_at":"2026-05-18T02:14:54.467326+00:00","updated_at":"2026-05-18T02:14:54.467326+00:00"}