{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:JBSDO53Z7YAQQV2W6KKLSZRU5Q","short_pith_number":"pith:JBSDO53Z","schema_version":"1.0","canonical_sha256":"4864377779fe01085756f294b96634ec29fd3f3c6c262f6ade4414cb0ee83189","source":{"kind":"arxiv","id":"1201.2821","version":1},"attestation_state":"computed","paper":{"title":"Variable Stars in the Cetus dSph Galaxy: Population Gradients and Connections with the Star Formation History","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.SR","authors_text":"A. Aparicio, C. Gallart, E.D. Skillman, E.J. Bernard, G. Bono, G. Fiorentino, I. Drozdovsky, M. Monelli, P.B. Stetson, S. Cassisi","submitted_at":"2012-01-13T12:22:20Z","abstract_excerpt":"We investigate the variable star content of the isolated, Local Group, dwarf spheroidal galaxy (dSph) Cetus. Multi-epoch, wide-field images collected with the VLT/VIMOS camera allowed us to detect 638 variable stars (630 RR Lyrae stars and 8 Anomalous Cepheids), 475 of which are new detections. We present a full catalogue of periods, amplitudes, and mean magnitudes. Motivated by the recent discovery that the pulsational properties of the RR Lyrae stars in the Tucana dSph revealed the presence of a metallicity gradient within the oldest (>10 Gyr old) stellar populations, we investigated the pos"},"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":"1201.2821","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-01-13T12:22:20Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"17e420a64d4b7404b2db6f1e96d0aacfefb31e8e54bd785bc2203240bea6c960","abstract_canon_sha256":"7b0de0221d239566e69204492d510d7eba036b47823c55e16ab1d2ef2d856bff"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:49.718598Z","signature_b64":"bd/n9XK40K4m/sCgisBRJ/BM5ifkeN8HE85Lfh9KeYe5gblgHjBkzSUf2vLoXVbdkx6YoNFuLs94gt3mkVKLBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4864377779fe01085756f294b96634ec29fd3f3c6c262f6ade4414cb0ee83189","last_reissued_at":"2026-05-18T01:58:49.717852Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:49.717852Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Variable Stars in the Cetus dSph Galaxy: Population Gradients and Connections with the Star Formation History","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.SR","authors_text":"A. Aparicio, C. Gallart, E.D. Skillman, E.J. Bernard, G. Bono, G. Fiorentino, I. Drozdovsky, M. Monelli, P.B. Stetson, S. Cassisi","submitted_at":"2012-01-13T12:22:20Z","abstract_excerpt":"We investigate the variable star content of the isolated, Local Group, dwarf spheroidal galaxy (dSph) Cetus. Multi-epoch, wide-field images collected with the VLT/VIMOS camera allowed us to detect 638 variable stars (630 RR Lyrae stars and 8 Anomalous Cepheids), 475 of which are new detections. We present a full catalogue of periods, amplitudes, and mean magnitudes. Motivated by the recent discovery that the pulsational properties of the RR Lyrae stars in the Tucana dSph revealed the presence of a metallicity gradient within the oldest (>10 Gyr old) stellar populations, we investigated the pos"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.2821","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":"1201.2821","created_at":"2026-05-18T01:58:49.717981+00:00"},{"alias_kind":"arxiv_version","alias_value":"1201.2821v1","created_at":"2026-05-18T01:58:49.717981+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.2821","created_at":"2026-05-18T01:58:49.717981+00:00"},{"alias_kind":"pith_short_12","alias_value":"JBSDO53Z7YAQ","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_16","alias_value":"JBSDO53Z7YAQQV2W","created_at":"2026-05-18T12:27:11.947152+00:00"},{"alias_kind":"pith_short_8","alias_value":"JBSDO53Z","created_at":"2026-05-18T12:27:11.947152+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/JBSDO53Z7YAQQV2W6KKLSZRU5Q","json":"https://pith.science/pith/JBSDO53Z7YAQQV2W6KKLSZRU5Q.json","graph_json":"https://pith.science/api/pith-number/JBSDO53Z7YAQQV2W6KKLSZRU5Q/graph.json","events_json":"https://pith.science/api/pith-number/JBSDO53Z7YAQQV2W6KKLSZRU5Q/events.json","paper":"https://pith.science/paper/JBSDO53Z"},"agent_actions":{"view_html":"https://pith.science/pith/JBSDO53Z7YAQQV2W6KKLSZRU5Q","download_json":"https://pith.science/pith/JBSDO53Z7YAQQV2W6KKLSZRU5Q.json","view_paper":"https://pith.science/paper/JBSDO53Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1201.2821&json=true","fetch_graph":"https://pith.science/api/pith-number/JBSDO53Z7YAQQV2W6KKLSZRU5Q/graph.json","fetch_events":"https://pith.science/api/pith-number/JBSDO53Z7YAQQV2W6KKLSZRU5Q/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JBSDO53Z7YAQQV2W6KKLSZRU5Q/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JBSDO53Z7YAQQV2W6KKLSZRU5Q/action/storage_attestation","attest_author":"https://pith.science/pith/JBSDO53Z7YAQQV2W6KKLSZRU5Q/action/author_attestation","sign_citation":"https://pith.science/pith/JBSDO53Z7YAQQV2W6KKLSZRU5Q/action/citation_signature","submit_replication":"https://pith.science/pith/JBSDO53Z7YAQQV2W6KKLSZRU5Q/action/replication_record"}},"created_at":"2026-05-18T01:58:49.717981+00:00","updated_at":"2026-05-18T01:58:49.717981+00:00"}