{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:LMVGUD4A7EIGPJVWRPAMOUXZFQ","short_pith_number":"pith:LMVGUD4A","schema_version":"1.0","canonical_sha256":"5b2a6a0f80f91067a6b68bc0c752f92c05afa8f6f8ee4a13a5dcec3931d7f023","source":{"kind":"arxiv","id":"1302.5649","version":1},"attestation_state":"computed","paper":{"title":"NGC 7419 as a template for red supergiant clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Amparo Marco, Ignacio Negueruela","submitted_at":"2013-02-22T17:13:17Z","abstract_excerpt":"The open cluster NGC 7419 is known to contain five red supergiants and a very high number of Be stars. However, there are conflicting reports about its age and distance that prevent a useful comparison with other clusters. We intend to obtain more accurate parameters for NGC 7419, using techniques different from those of previous authors, so that it may be used as a calibrator for more obscured clusters. We obtained Str\\\"omgren photometry of the open cluster NGC 7419, as well as classification spectroscopy of ~20 stars in the area. We then applied standard analysis and classification technique"},"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":"1302.5649","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-02-22T17:13:17Z","cross_cats_sorted":[],"title_canon_sha256":"c888dd08fbe07db629a559149abb102eb13787bc6f8c6385ca377013f88e9d36","abstract_canon_sha256":"490af07416e509d700437ecbb80bc92e8397aead1c1693c2bc5cd2f798d8885c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:34.003859Z","signature_b64":"iE4sKVsOn+vooZCSbBboL3y9XNmFUUHoAiLJ0fE+URrsGfLQjYvufHjHLSB2a7/LQ881/Q7DC6co7fTiqLceBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b2a6a0f80f91067a6b68bc0c752f92c05afa8f6f8ee4a13a5dcec3931d7f023","last_reissued_at":"2026-05-18T01:51:34.003457Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:34.003457Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"NGC 7419 as a template for red supergiant clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Amparo Marco, Ignacio Negueruela","submitted_at":"2013-02-22T17:13:17Z","abstract_excerpt":"The open cluster NGC 7419 is known to contain five red supergiants and a very high number of Be stars. However, there are conflicting reports about its age and distance that prevent a useful comparison with other clusters. We intend to obtain more accurate parameters for NGC 7419, using techniques different from those of previous authors, so that it may be used as a calibrator for more obscured clusters. We obtained Str\\\"omgren photometry of the open cluster NGC 7419, as well as classification spectroscopy of ~20 stars in the area. We then applied standard analysis and classification technique"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.5649","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":"1302.5649","created_at":"2026-05-18T01:51:34.003515+00:00"},{"alias_kind":"arxiv_version","alias_value":"1302.5649v1","created_at":"2026-05-18T01:51:34.003515+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.5649","created_at":"2026-05-18T01:51:34.003515+00:00"},{"alias_kind":"pith_short_12","alias_value":"LMVGUD4A7EIG","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_16","alias_value":"LMVGUD4A7EIGPJVW","created_at":"2026-05-18T12:27:51.066281+00:00"},{"alias_kind":"pith_short_8","alias_value":"LMVGUD4A","created_at":"2026-05-18T12:27:51.066281+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/LMVGUD4A7EIGPJVWRPAMOUXZFQ","json":"https://pith.science/pith/LMVGUD4A7EIGPJVWRPAMOUXZFQ.json","graph_json":"https://pith.science/api/pith-number/LMVGUD4A7EIGPJVWRPAMOUXZFQ/graph.json","events_json":"https://pith.science/api/pith-number/LMVGUD4A7EIGPJVWRPAMOUXZFQ/events.json","paper":"https://pith.science/paper/LMVGUD4A"},"agent_actions":{"view_html":"https://pith.science/pith/LMVGUD4A7EIGPJVWRPAMOUXZFQ","download_json":"https://pith.science/pith/LMVGUD4A7EIGPJVWRPAMOUXZFQ.json","view_paper":"https://pith.science/paper/LMVGUD4A","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1302.5649&json=true","fetch_graph":"https://pith.science/api/pith-number/LMVGUD4A7EIGPJVWRPAMOUXZFQ/graph.json","fetch_events":"https://pith.science/api/pith-number/LMVGUD4A7EIGPJVWRPAMOUXZFQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LMVGUD4A7EIGPJVWRPAMOUXZFQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LMVGUD4A7EIGPJVWRPAMOUXZFQ/action/storage_attestation","attest_author":"https://pith.science/pith/LMVGUD4A7EIGPJVWRPAMOUXZFQ/action/author_attestation","sign_citation":"https://pith.science/pith/LMVGUD4A7EIGPJVWRPAMOUXZFQ/action/citation_signature","submit_replication":"https://pith.science/pith/LMVGUD4A7EIGPJVWRPAMOUXZFQ/action/replication_record"}},"created_at":"2026-05-18T01:51:34.003515+00:00","updated_at":"2026-05-18T01:51:34.003515+00:00"}