{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:I2KA4FTSHKMFXLX4FTFIEVZKX2","short_pith_number":"pith:I2KA4FTS","schema_version":"1.0","canonical_sha256":"46940e16723a985baefc2cca82572abe925a08498a8aab307c6da218f1e34777","source":{"kind":"arxiv","id":"2210.01608","version":2},"attestation_state":"computed","paper":{"title":"$\\textit{Gaia}$ white dwarfs within 40 pc III: spectroscopic observations of new candidates in the southern hemisphere","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. E. Doyle, A. Elms, A. J. Weinberger, A. Nitta, A. Rebassa-Mansergas, B. L. Klein, B. T. Gaensicke, B. Zuckerman, C. J. Manser, C. Melis, D. de Martino, D. Koester, D. Steeghs, E. Cukanovaite, I. Pelisoli, J. Farihi, J. Holberg, J. J. Hermes, J. McCleery, M. A. Hollands, Mairi W. O'Brien, M. R. Schreiber, N. P. Gentile Fusillo, O. Toloza, P.-E. Tremblay, R. Raddi, R. Silvotti, S. G. Parsons, S. J. Kleinman, S. Jordan, S. Toonen, S. Torres, T. Cunningham, T. R. Marsh","submitted_at":"2022-10-04T13:39:32Z","abstract_excerpt":"We present a spectroscopic survey of 248 white dwarf candidates within 40 pc of the Sun; of these 244 are in the southern hemisphere. Observations were performed mostly with the Very Large Telescope (X-Shooter) and Southern Astrophysical Research Telescope. Almost all candidates were selected from $\\textit{Gaia}$ Data Release 3 (DR3). We find a total of 246 confirmed white dwarfs, 209 of which had no previously published spectra, and two main-sequence star contaminants. Of these, 100 white dwarfs display hydrogen Balmer lines, 69 have featureless spectra, and two show only neutral helium lines"},"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":"2210.01608","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-10-04T13:39:32Z","cross_cats_sorted":[],"title_canon_sha256":"1e72313ff6e5527fe742d963303a1e2595a802a310aecbae77be6c796cbcbcde","abstract_canon_sha256":"1e21a799bc3caf10e96ce1001fbc2e7f903a2f70cc72fd850b96d63033698c0c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:20:51.266597Z","signature_b64":"UPUhPniEsxD0NjVZfkkTWxsCR1DcQhp2k6hyFYuXFop8oV6XJaulSktAbBEUuIxVb3pihMFaHweL5vZ6Jwk6Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46940e16723a985baefc2cca82572abe925a08498a8aab307c6da218f1e34777","last_reissued_at":"2026-07-05T05:20:51.266121Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:20:51.266121Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"$\\textit{Gaia}$ white dwarfs within 40 pc III: spectroscopic observations of new candidates in the southern hemisphere","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. E. Doyle, A. Elms, A. J. Weinberger, A. Nitta, A. Rebassa-Mansergas, B. L. Klein, B. T. Gaensicke, B. Zuckerman, C. J. Manser, C. Melis, D. de Martino, D. Koester, D. Steeghs, E. Cukanovaite, I. Pelisoli, J. Farihi, J. Holberg, J. J. Hermes, J. McCleery, M. A. Hollands, Mairi W. O'Brien, M. R. Schreiber, N. P. Gentile Fusillo, O. Toloza, P.-E. Tremblay, R. Raddi, R. Silvotti, S. G. Parsons, S. J. Kleinman, S. Jordan, S. Toonen, S. Torres, T. Cunningham, T. R. Marsh","submitted_at":"2022-10-04T13:39:32Z","abstract_excerpt":"We present a spectroscopic survey of 248 white dwarf candidates within 40 pc of the Sun; of these 244 are in the southern hemisphere. Observations were performed mostly with the Very Large Telescope (X-Shooter) and Southern Astrophysical Research Telescope. Almost all candidates were selected from $\\textit{Gaia}$ Data Release 3 (DR3). We find a total of 246 confirmed white dwarfs, 209 of which had no previously published spectra, and two main-sequence star contaminants. Of these, 100 white dwarfs display hydrogen Balmer lines, 69 have featureless spectra, and two show only neutral helium lines"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.01608","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2210.01608/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2210.01608","created_at":"2026-07-05T05:20:51.266180+00:00"},{"alias_kind":"arxiv_version","alias_value":"2210.01608v2","created_at":"2026-07-05T05:20:51.266180+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.01608","created_at":"2026-07-05T05:20:51.266180+00:00"},{"alias_kind":"pith_short_12","alias_value":"I2KA4FTSHKMF","created_at":"2026-07-05T05:20:51.266180+00:00"},{"alias_kind":"pith_short_16","alias_value":"I2KA4FTSHKMFXLX4","created_at":"2026-07-05T05:20:51.266180+00:00"},{"alias_kind":"pith_short_8","alias_value":"I2KA4FTS","created_at":"2026-07-05T05:20:51.266180+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/I2KA4FTSHKMFXLX4FTFIEVZKX2","json":"https://pith.science/pith/I2KA4FTSHKMFXLX4FTFIEVZKX2.json","graph_json":"https://pith.science/api/pith-number/I2KA4FTSHKMFXLX4FTFIEVZKX2/graph.json","events_json":"https://pith.science/api/pith-number/I2KA4FTSHKMFXLX4FTFIEVZKX2/events.json","paper":"https://pith.science/paper/I2KA4FTS"},"agent_actions":{"view_html":"https://pith.science/pith/I2KA4FTSHKMFXLX4FTFIEVZKX2","download_json":"https://pith.science/pith/I2KA4FTSHKMFXLX4FTFIEVZKX2.json","view_paper":"https://pith.science/paper/I2KA4FTS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2210.01608&json=true","fetch_graph":"https://pith.science/api/pith-number/I2KA4FTSHKMFXLX4FTFIEVZKX2/graph.json","fetch_events":"https://pith.science/api/pith-number/I2KA4FTSHKMFXLX4FTFIEVZKX2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/I2KA4FTSHKMFXLX4FTFIEVZKX2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/I2KA4FTSHKMFXLX4FTFIEVZKX2/action/storage_attestation","attest_author":"https://pith.science/pith/I2KA4FTSHKMFXLX4FTFIEVZKX2/action/author_attestation","sign_citation":"https://pith.science/pith/I2KA4FTSHKMFXLX4FTFIEVZKX2/action/citation_signature","submit_replication":"https://pith.science/pith/I2KA4FTSHKMFXLX4FTFIEVZKX2/action/replication_record"}},"created_at":"2026-07-05T05:20:51.266180+00:00","updated_at":"2026-07-05T05:20:51.266180+00:00"}