{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:WBQP6KVKLRGU2PB6WL363QN2RA","short_pith_number":"pith:WBQP6KVK","schema_version":"1.0","canonical_sha256":"b060ff2aaa5c4d4d3c3eb2f7edc1ba8814a7bf85e9538e6a2800a8b9a13d93e7","source":{"kind":"arxiv","id":"1510.02482","version":1},"attestation_state":"computed","paper":{"title":"Str\\\"omgren uvby photometry of the peculiar globular cluster NGC 2419","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Andreas Koch, Mark I. Wilkinson, Matthias J. Frank, Mike Irwin, Nikolay Kacharov, Sofia Feltzing","submitted_at":"2015-10-08T20:06:03Z","abstract_excerpt":"NGC 2419 is a peculiar Galactic globular cluster in terms of size/luminosity, and chemical abundance anomalies. Here, we present Str\\\"omgren $uvby$ photometry of the cluster. Using the gravity- and metallicity-sensitive $c_1$ and $m_1$ indices, we identify a sample of likely cluster members extending well beyond the formal tidal radius with an estimated contamination by non-members of only 1%. We derive photometric [Fe/H] of red giants, and depending on which literature metallicity relation we use, find reasonable to excellent agreement with spectroscopic [Fe/H]. We demonstrate explicitly that"},"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":"1510.02482","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-10-08T20:06:03Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"69513e9aed3b3da56fd526976bdbd20a440570e52e7c02f73c4c163f133a2fbb","abstract_canon_sha256":"ae96b685ca5f15541853de818d6d83cde7c9b25113a513038c05ecc5456339fa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:42.344906Z","signature_b64":"PKB7ILW9DhgPGIVGRId7e/rClxgE88Wcy1t5HnU0QVYh25vK7LiZntpVPKBjHpbxz72A6f4b4/jwwfeWxKSIBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b060ff2aaa5c4d4d3c3eb2f7edc1ba8814a7bf85e9538e6a2800a8b9a13d93e7","last_reissued_at":"2026-05-18T01:30:42.344406Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:42.344406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Str\\\"omgren uvby photometry of the peculiar globular cluster NGC 2419","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Andreas Koch, Mark I. Wilkinson, Matthias J. Frank, Mike Irwin, Nikolay Kacharov, Sofia Feltzing","submitted_at":"2015-10-08T20:06:03Z","abstract_excerpt":"NGC 2419 is a peculiar Galactic globular cluster in terms of size/luminosity, and chemical abundance anomalies. Here, we present Str\\\"omgren $uvby$ photometry of the cluster. Using the gravity- and metallicity-sensitive $c_1$ and $m_1$ indices, we identify a sample of likely cluster members extending well beyond the formal tidal radius with an estimated contamination by non-members of only 1%. We derive photometric [Fe/H] of red giants, and depending on which literature metallicity relation we use, find reasonable to excellent agreement with spectroscopic [Fe/H]. We demonstrate explicitly that"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.02482","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":"1510.02482","created_at":"2026-05-18T01:30:42.344479+00:00"},{"alias_kind":"arxiv_version","alias_value":"1510.02482v1","created_at":"2026-05-18T01:30:42.344479+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.02482","created_at":"2026-05-18T01:30:42.344479+00:00"},{"alias_kind":"pith_short_12","alias_value":"WBQP6KVKLRGU","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_16","alias_value":"WBQP6KVKLRGU2PB6","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_8","alias_value":"WBQP6KVK","created_at":"2026-05-18T12:29:47.479230+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/WBQP6KVKLRGU2PB6WL363QN2RA","json":"https://pith.science/pith/WBQP6KVKLRGU2PB6WL363QN2RA.json","graph_json":"https://pith.science/api/pith-number/WBQP6KVKLRGU2PB6WL363QN2RA/graph.json","events_json":"https://pith.science/api/pith-number/WBQP6KVKLRGU2PB6WL363QN2RA/events.json","paper":"https://pith.science/paper/WBQP6KVK"},"agent_actions":{"view_html":"https://pith.science/pith/WBQP6KVKLRGU2PB6WL363QN2RA","download_json":"https://pith.science/pith/WBQP6KVKLRGU2PB6WL363QN2RA.json","view_paper":"https://pith.science/paper/WBQP6KVK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1510.02482&json=true","fetch_graph":"https://pith.science/api/pith-number/WBQP6KVKLRGU2PB6WL363QN2RA/graph.json","fetch_events":"https://pith.science/api/pith-number/WBQP6KVKLRGU2PB6WL363QN2RA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WBQP6KVKLRGU2PB6WL363QN2RA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WBQP6KVKLRGU2PB6WL363QN2RA/action/storage_attestation","attest_author":"https://pith.science/pith/WBQP6KVKLRGU2PB6WL363QN2RA/action/author_attestation","sign_citation":"https://pith.science/pith/WBQP6KVKLRGU2PB6WL363QN2RA/action/citation_signature","submit_replication":"https://pith.science/pith/WBQP6KVKLRGU2PB6WL363QN2RA/action/replication_record"}},"created_at":"2026-05-18T01:30:42.344479+00:00","updated_at":"2026-05-18T01:30:42.344479+00:00"}