{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:KQIFDU4XA5Y5SXCPBTCQXUUPA3","short_pith_number":"pith:KQIFDU4X","schema_version":"1.0","canonical_sha256":"541051d3970771d95c4f0cc50bd28f06d40250d8f75c824ec7f3ba09014f5fa4","source":{"kind":"arxiv","id":"1902.10591","version":1},"attestation_state":"computed","paper":{"title":"Variable Stars in Sagittarius Globular Clusters I. Arp~2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Barton J. Pritzl, Horace A. Smith, Jura Borissova, M\\'arcio Catelan, Ricardo Salinas, Thomas C. Gehrman","submitted_at":"2019-02-27T15:32:02Z","abstract_excerpt":"We present new photometry and analysis of the twelve variable stars (nine RR Lyrae, three SX Phoenicis) belonging to the Sagittarius globular cluster Arp 2. Of the nine RR Lyrae stars in the cluster, eight are RRab and one is RRc. From the RRab stars, we determined a mean period of $\\langle P_{ab}\\rangle=0.581\\pm0.047$ days, where the error is the standard error of the mean. This places Arp 2 at the border between the Oosterhoff I and Oosterhoff-Int clusters. Using the $V$-band data from the RR Lyrae stars, a distance modulus of $(m-M)_0=17.24\\pm0.17$ was determined. From the $I$-band data, we"},"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":"1902.10591","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-02-27T15:32:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"5403e6963e73f97b095b67a1fdf4983c5210db7e249a2e6ea17f4f83e44fb65c","abstract_canon_sha256":"b42ad2b260e03c7a922bdec69f807fdd05b243bea086a9b2106df92d013e737e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:25.888783Z","signature_b64":"lshrgWjn/k1kFYh7Qr/eAAHS1loD+33H8nZO5MU8JAMNCE/wTrk4/mfmBSvQgRSPttpZU6EQcptjK+WO7D3CBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"541051d3970771d95c4f0cc50bd28f06d40250d8f75c824ec7f3ba09014f5fa4","last_reissued_at":"2026-05-17T23:47:25.888035Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:25.888035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Variable Stars in Sagittarius Globular Clusters I. Arp~2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Barton J. Pritzl, Horace A. Smith, Jura Borissova, M\\'arcio Catelan, Ricardo Salinas, Thomas C. Gehrman","submitted_at":"2019-02-27T15:32:02Z","abstract_excerpt":"We present new photometry and analysis of the twelve variable stars (nine RR Lyrae, three SX Phoenicis) belonging to the Sagittarius globular cluster Arp 2. Of the nine RR Lyrae stars in the cluster, eight are RRab and one is RRc. From the RRab stars, we determined a mean period of $\\langle P_{ab}\\rangle=0.581\\pm0.047$ days, where the error is the standard error of the mean. This places Arp 2 at the border between the Oosterhoff I and Oosterhoff-Int clusters. Using the $V$-band data from the RR Lyrae stars, a distance modulus of $(m-M)_0=17.24\\pm0.17$ was determined. From the $I$-band data, we"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10591","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":"1902.10591","created_at":"2026-05-17T23:47:25.888153+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.10591v1","created_at":"2026-05-17T23:47:25.888153+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10591","created_at":"2026-05-17T23:47:25.888153+00:00"},{"alias_kind":"pith_short_12","alias_value":"KQIFDU4XA5Y5","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_16","alias_value":"KQIFDU4XA5Y5SXCP","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_8","alias_value":"KQIFDU4X","created_at":"2026-05-18T12:33:21.387695+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/KQIFDU4XA5Y5SXCPBTCQXUUPA3","json":"https://pith.science/pith/KQIFDU4XA5Y5SXCPBTCQXUUPA3.json","graph_json":"https://pith.science/api/pith-number/KQIFDU4XA5Y5SXCPBTCQXUUPA3/graph.json","events_json":"https://pith.science/api/pith-number/KQIFDU4XA5Y5SXCPBTCQXUUPA3/events.json","paper":"https://pith.science/paper/KQIFDU4X"},"agent_actions":{"view_html":"https://pith.science/pith/KQIFDU4XA5Y5SXCPBTCQXUUPA3","download_json":"https://pith.science/pith/KQIFDU4XA5Y5SXCPBTCQXUUPA3.json","view_paper":"https://pith.science/paper/KQIFDU4X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.10591&json=true","fetch_graph":"https://pith.science/api/pith-number/KQIFDU4XA5Y5SXCPBTCQXUUPA3/graph.json","fetch_events":"https://pith.science/api/pith-number/KQIFDU4XA5Y5SXCPBTCQXUUPA3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KQIFDU4XA5Y5SXCPBTCQXUUPA3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KQIFDU4XA5Y5SXCPBTCQXUUPA3/action/storage_attestation","attest_author":"https://pith.science/pith/KQIFDU4XA5Y5SXCPBTCQXUUPA3/action/author_attestation","sign_citation":"https://pith.science/pith/KQIFDU4XA5Y5SXCPBTCQXUUPA3/action/citation_signature","submit_replication":"https://pith.science/pith/KQIFDU4XA5Y5SXCPBTCQXUUPA3/action/replication_record"}},"created_at":"2026-05-17T23:47:25.888153+00:00","updated_at":"2026-05-17T23:47:25.888153+00:00"}