{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:USWPWVQ4N3XD22XHDZPMDRAVGG","short_pith_number":"pith:USWPWVQ4","schema_version":"1.0","canonical_sha256":"a4acfb561c6eee3d6ae71e5ec1c41531bf57b49f3c99bd28ca1e3fed2adfc35d","source":{"kind":"arxiv","id":"2501.18763","version":1},"attestation_state":"computed","paper":{"title":"Carbon Stars From Gaia DR3 and the Space Density of Dwarf Carbon Stars","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"(2) University of California, (3) Center for Astrophysics | Harvard & Smithsonian, (4) California Institute of Technology), Benjamin R. Roulston (1), Evan Portnoi (4) ((1) Clarkson University, Naunet Leonhardes-Barboza (2), Paul J. Green (3), Santa Cruz","submitted_at":"2025-01-30T21:33:58Z","abstract_excerpt":"Carbon stars (with atmospheric C/O$>1$) range widely in temperature and luminosity, from low mass dwarfs to asymptotic giant branch stars (AGB). The main sequence dwarf carbon (dC) stars have inherited carbon-rich material from an AGB companion, which has since transitioned to a white dwarf. The dC stars are far more common than C giants, but no reliable estimates of dC space density have been published to date. We present results from an all-sky survey for carbon stars using the low-resolution XP spectra from Gaia DR3. We developed and measured a set of spectral indices contrasting C$_{\\rm 2}"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2501.18763","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2025-01-30T21:33:58Z","cross_cats_sorted":[],"title_canon_sha256":"f9da717f5d347813e0eb40247b6ba047a9b26f4e4546fca232d8222ddcd51d20","abstract_canon_sha256":"983ab600030d264663f916a68f14549c5656c1ca44bc2f91ff6c77c731be45af"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:07:51.195272Z","signature_b64":"vNaEGkWwn2xJWPDet2CyI6j0F462xSNmPKZuU7ycK7R8rxgIH0Jc60N04s0yR8/3lo2R8dySoRQKtonMwCcmBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a4acfb561c6eee3d6ae71e5ec1c41531bf57b49f3c99bd28ca1e3fed2adfc35d","last_reissued_at":"2026-07-05T10:07:51.194919Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:07:51.194919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Carbon Stars From Gaia DR3 and the Space Density of Dwarf Carbon Stars","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"(2) University of California, (3) Center for Astrophysics | Harvard & Smithsonian, (4) California Institute of Technology), Benjamin R. Roulston (1), Evan Portnoi (4) ((1) Clarkson University, Naunet Leonhardes-Barboza (2), Paul J. Green (3), Santa Cruz","submitted_at":"2025-01-30T21:33:58Z","abstract_excerpt":"Carbon stars (with atmospheric C/O$>1$) range widely in temperature and luminosity, from low mass dwarfs to asymptotic giant branch stars (AGB). The main sequence dwarf carbon (dC) stars have inherited carbon-rich material from an AGB companion, which has since transitioned to a white dwarf. The dC stars are far more common than C giants, but no reliable estimates of dC space density have been published to date. We present results from an all-sky survey for carbon stars using the low-resolution XP spectra from Gaia DR3. We developed and measured a set of spectral indices contrasting C$_{\\rm 2}"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.18763","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.18763/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":"2501.18763","created_at":"2026-07-05T10:07:51.194973+00:00"},{"alias_kind":"arxiv_version","alias_value":"2501.18763v1","created_at":"2026-07-05T10:07:51.194973+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.18763","created_at":"2026-07-05T10:07:51.194973+00:00"},{"alias_kind":"pith_short_12","alias_value":"USWPWVQ4N3XD","created_at":"2026-07-05T10:07:51.194973+00:00"},{"alias_kind":"pith_short_16","alias_value":"USWPWVQ4N3XD22XH","created_at":"2026-07-05T10:07:51.194973+00:00"},{"alias_kind":"pith_short_8","alias_value":"USWPWVQ4","created_at":"2026-07-05T10:07:51.194973+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/USWPWVQ4N3XD22XHDZPMDRAVGG","json":"https://pith.science/pith/USWPWVQ4N3XD22XHDZPMDRAVGG.json","graph_json":"https://pith.science/api/pith-number/USWPWVQ4N3XD22XHDZPMDRAVGG/graph.json","events_json":"https://pith.science/api/pith-number/USWPWVQ4N3XD22XHDZPMDRAVGG/events.json","paper":"https://pith.science/paper/USWPWVQ4"},"agent_actions":{"view_html":"https://pith.science/pith/USWPWVQ4N3XD22XHDZPMDRAVGG","download_json":"https://pith.science/pith/USWPWVQ4N3XD22XHDZPMDRAVGG.json","view_paper":"https://pith.science/paper/USWPWVQ4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2501.18763&json=true","fetch_graph":"https://pith.science/api/pith-number/USWPWVQ4N3XD22XHDZPMDRAVGG/graph.json","fetch_events":"https://pith.science/api/pith-number/USWPWVQ4N3XD22XHDZPMDRAVGG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/USWPWVQ4N3XD22XHDZPMDRAVGG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/USWPWVQ4N3XD22XHDZPMDRAVGG/action/storage_attestation","attest_author":"https://pith.science/pith/USWPWVQ4N3XD22XHDZPMDRAVGG/action/author_attestation","sign_citation":"https://pith.science/pith/USWPWVQ4N3XD22XHDZPMDRAVGG/action/citation_signature","submit_replication":"https://pith.science/pith/USWPWVQ4N3XD22XHDZPMDRAVGG/action/replication_record"}},"created_at":"2026-07-05T10:07:51.194973+00:00","updated_at":"2026-07-05T10:07:51.194973+00:00"}