{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:BQFQ2EB224DGIEY5IWL2E5OCZS","short_pith_number":"pith:BQFQ2EB2","schema_version":"1.0","canonical_sha256":"0c0b0d103ad70664131d4597a275c2ccaa7ea51334fa84337c92ee74b5ccde9c","source":{"kind":"arxiv","id":"1702.07370","version":1},"attestation_state":"computed","paper":{"title":"sdA in SDSS DR12 are Overwhelmingly Not Extremely Low-Mass (ELM) White Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. T. Gaensicke, Elme Breedt, J. J. Hermes","submitted_at":"2017-02-23T19:23:36Z","abstract_excerpt":"In a search for new white dwarfs in DR12 of the Sloan Digital Sky Survey, Kepler et al. (2016) found atmospheric parameters for thousands of objects with effective temperatures below 20,000 K and surface gravities between 5.5 < log(g) < 6.5. They classified these objects as cool subdwarfs -- sdA -- and speculated that many may be extremely low-mass (ELM) white dwarfs (helium-core white dwarfs with masses below 0.3 Msun). We present evidence -- using radial velocities, photometric colors, and reduced proper motions -- that the vast majority (>99%) of these objects are unlikely to be ELM white d"},"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":"1702.07370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-02-23T19:23:36Z","cross_cats_sorted":[],"title_canon_sha256":"35a80b675bf3ddf2ed6ef6eb6b83f623f8c1d877dda63347157775b0bb15b6a7","abstract_canon_sha256":"1ea088ebe7bb292f97c4337a3875b2bb3ec5fb784ed716b6a438abf093475c85"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:03.557547Z","signature_b64":"SbERV5f/PWPWQR6hcH50RoObUtcoskSkorAmQaFSWWqzndtsp8KUdD/QMKxVnYowDGgefF4MLEasOfEfzXG7Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c0b0d103ad70664131d4597a275c2ccaa7ea51334fa84337c92ee74b5ccde9c","last_reissued_at":"2026-05-18T00:50:03.556879Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:03.556879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"sdA in SDSS DR12 are Overwhelmingly Not Extremely Low-Mass (ELM) White Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. T. Gaensicke, Elme Breedt, J. J. Hermes","submitted_at":"2017-02-23T19:23:36Z","abstract_excerpt":"In a search for new white dwarfs in DR12 of the Sloan Digital Sky Survey, Kepler et al. (2016) found atmospheric parameters for thousands of objects with effective temperatures below 20,000 K and surface gravities between 5.5 < log(g) < 6.5. They classified these objects as cool subdwarfs -- sdA -- and speculated that many may be extremely low-mass (ELM) white dwarfs (helium-core white dwarfs with masses below 0.3 Msun). We present evidence -- using radial velocities, photometric colors, and reduced proper motions -- that the vast majority (>99%) of these objects are unlikely to be ELM white d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.07370","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":"1702.07370","created_at":"2026-05-18T00:50:03.556979+00:00"},{"alias_kind":"arxiv_version","alias_value":"1702.07370v1","created_at":"2026-05-18T00:50:03.556979+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.07370","created_at":"2026-05-18T00:50:03.556979+00:00"},{"alias_kind":"pith_short_12","alias_value":"BQFQ2EB224DG","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_16","alias_value":"BQFQ2EB224DGIEY5","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_8","alias_value":"BQFQ2EB2","created_at":"2026-05-18T12:31:08.081275+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2602.21289","citing_title":"Testing models for fully and partially stripped low-mass stars with Gaia: Implications for hot subdwarfs, binary RR Lyrae, and black hole impostors","ref_index":36,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/BQFQ2EB224DGIEY5IWL2E5OCZS","json":"https://pith.science/pith/BQFQ2EB224DGIEY5IWL2E5OCZS.json","graph_json":"https://pith.science/api/pith-number/BQFQ2EB224DGIEY5IWL2E5OCZS/graph.json","events_json":"https://pith.science/api/pith-number/BQFQ2EB224DGIEY5IWL2E5OCZS/events.json","paper":"https://pith.science/paper/BQFQ2EB2"},"agent_actions":{"view_html":"https://pith.science/pith/BQFQ2EB224DGIEY5IWL2E5OCZS","download_json":"https://pith.science/pith/BQFQ2EB224DGIEY5IWL2E5OCZS.json","view_paper":"https://pith.science/paper/BQFQ2EB2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1702.07370&json=true","fetch_graph":"https://pith.science/api/pith-number/BQFQ2EB224DGIEY5IWL2E5OCZS/graph.json","fetch_events":"https://pith.science/api/pith-number/BQFQ2EB224DGIEY5IWL2E5OCZS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BQFQ2EB224DGIEY5IWL2E5OCZS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BQFQ2EB224DGIEY5IWL2E5OCZS/action/storage_attestation","attest_author":"https://pith.science/pith/BQFQ2EB224DGIEY5IWL2E5OCZS/action/author_attestation","sign_citation":"https://pith.science/pith/BQFQ2EB224DGIEY5IWL2E5OCZS/action/citation_signature","submit_replication":"https://pith.science/pith/BQFQ2EB224DGIEY5IWL2E5OCZS/action/replication_record"}},"created_at":"2026-05-18T00:50:03.556979+00:00","updated_at":"2026-05-18T00:50:03.556979+00:00"}