{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1994:LCKP5ZUUUUJS2ZCKLRYZ6NXRYV","short_pith_number":"pith:LCKP5ZUU","schema_version":"1.0","canonical_sha256":"5894fee694a5132d644a5c719f36f1c54567aea740b31ee4d203963c702b18be","source":{"kind":"arxiv","id":"astro-ph/9406017","version":1},"attestation_state":"computed","paper":{"title":"Constraints to the Masses of Brown Dwarf Candidates from the Lithium Test","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Magazzu, E.L. Martin, R. Rebolo","submitted_at":"1994-06-07T09:08:59Z","abstract_excerpt":"We present intermediate dispersion (0.7-2.2 \\AA ~pix$^{-1}$) optical spectroscopic observations aimed at applying the ``Lithium Test'' to a sample of ten brown dwarf candidates located in the general field, two in young open clusters, and two in close binaries. We find evidence for strong Li depletion in all of them, and thus infer lower mass limits of 0.065~M$_\\odot$, depending only slightly ($\\pm$0.005~M$_\\odot$) on the interior models. None of the field brown dwarf candidates in our sample appears to be a very young (age $<$~10$^8$~yr) substellar object. For one of the faintest proper motio"},"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":"astro-ph/9406017","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1994-06-07T09:08:59Z","cross_cats_sorted":[],"title_canon_sha256":"8668ee2dc1bd7cb5b833925e42558e4a7523d89dcaffe1d1a701eebe01935ebe","abstract_canon_sha256":"8c54774c7bea21b4f8899b70eee5117cbbc7b0e1dad3c39e1f9100e42cfe94ed"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:24.545202Z","signature_b64":"iRX4XvwWY1HQXZrv1Ug60v/zTvjT3KbogVJHYRbLc9dwzdRQDMRvQtD7JhsHTRRfhLmPYykM0cqF5S8LkNgDBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5894fee694a5132d644a5c719f36f1c54567aea740b31ee4d203963c702b18be","last_reissued_at":"2026-05-18T01:40:24.544571Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:24.544571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraints to the Masses of Brown Dwarf Candidates from the Lithium Test","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Magazzu, E.L. Martin, R. Rebolo","submitted_at":"1994-06-07T09:08:59Z","abstract_excerpt":"We present intermediate dispersion (0.7-2.2 \\AA ~pix$^{-1}$) optical spectroscopic observations aimed at applying the ``Lithium Test'' to a sample of ten brown dwarf candidates located in the general field, two in young open clusters, and two in close binaries. We find evidence for strong Li depletion in all of them, and thus infer lower mass limits of 0.065~M$_\\odot$, depending only slightly ($\\pm$0.005~M$_\\odot$) on the interior models. None of the field brown dwarf candidates in our sample appears to be a very young (age $<$~10$^8$~yr) substellar object. For one of the faintest proper motio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9406017","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":"astro-ph/9406017","created_at":"2026-05-18T01:40:24.544674+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9406017v1","created_at":"2026-05-18T01:40:24.544674+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9406017","created_at":"2026-05-18T01:40:24.544674+00:00"},{"alias_kind":"pith_short_12","alias_value":"LCKP5ZUUUUJS","created_at":"2026-05-18T12:25:47.102015+00:00"},{"alias_kind":"pith_short_16","alias_value":"LCKP5ZUUUUJS2ZCK","created_at":"2026-05-18T12:25:47.102015+00:00"},{"alias_kind":"pith_short_8","alias_value":"LCKP5ZUU","created_at":"2026-05-18T12:25:47.102015+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/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV","json":"https://pith.science/pith/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV.json","graph_json":"https://pith.science/api/pith-number/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV/graph.json","events_json":"https://pith.science/api/pith-number/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV/events.json","paper":"https://pith.science/paper/LCKP5ZUU"},"agent_actions":{"view_html":"https://pith.science/pith/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV","download_json":"https://pith.science/pith/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV.json","view_paper":"https://pith.science/paper/LCKP5ZUU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9406017&json=true","fetch_graph":"https://pith.science/api/pith-number/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV/graph.json","fetch_events":"https://pith.science/api/pith-number/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV/action/storage_attestation","attest_author":"https://pith.science/pith/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV/action/author_attestation","sign_citation":"https://pith.science/pith/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV/action/citation_signature","submit_replication":"https://pith.science/pith/LCKP5ZUUUUJS2ZCKLRYZ6NXRYV/action/replication_record"}},"created_at":"2026-05-18T01:40:24.544674+00:00","updated_at":"2026-05-18T01:40:24.544674+00:00"}