{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:OSZ7EUXLU6G4RLDQ6INRKQXUDO","short_pith_number":"pith:OSZ7EUXL","schema_version":"1.0","canonical_sha256":"74b3f252eba78dc8ac70f21b1542f41b86d86c7ddb952827ae34191982e4992f","source":{"kind":"arxiv","id":"1102.2814","version":1},"attestation_state":"computed","paper":{"title":"The star formation history of the Large Magellanic Cloud star cluster NGC1751","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Leandro Kerber, Leo Girardi, Paul Goudfrooij, Stefano Rubele, Vera Kozhurina-Platais","submitted_at":"2011-02-14T16:17:02Z","abstract_excerpt":"The HST/ACS colour-magnitude diagrams (CMD) of the populous LMC star cluster NGC1751 present both a broad main sequence turn-off and a dual clump of red giants. We show that the latter feature is real and associate it to the first appearance of electron-degeneracy in the H-exhausted cores of the cluster stars. We then apply to the NGC1751 data the classical method of star formation history (SFH) recovery via CMD reconstruction, for different radii corresponding to the cluster centre, the cluster outskirts, and the underlying LMC field. The mean SFH derived from the LMC field is taken into acco"},"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":"1102.2814","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-14T16:17:02Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"de1a3d50ce8b4cd18231065037c1ef5fff48b5811ac5df0d2f85e8faf3356bad","abstract_canon_sha256":"d182d74e04b6e6f965d629b452b06fbf9f4cb25c9a4a35bbe9ac358eac9d78bc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:27.135296Z","signature_b64":"S8dcqG8aHrEj6wPC4JDTbhZVyQUOtt58vU1VBO0633httquvIR1CKjkf9hZddCQovOR1a0i0fv0/fvFvqqXqDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74b3f252eba78dc8ac70f21b1542f41b86d86c7ddb952827ae34191982e4992f","last_reissued_at":"2026-05-18T03:36:27.134557Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:27.134557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The star formation history of the Large Magellanic Cloud star cluster NGC1751","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Leandro Kerber, Leo Girardi, Paul Goudfrooij, Stefano Rubele, Vera Kozhurina-Platais","submitted_at":"2011-02-14T16:17:02Z","abstract_excerpt":"The HST/ACS colour-magnitude diagrams (CMD) of the populous LMC star cluster NGC1751 present both a broad main sequence turn-off and a dual clump of red giants. We show that the latter feature is real and associate it to the first appearance of electron-degeneracy in the H-exhausted cores of the cluster stars. We then apply to the NGC1751 data the classical method of star formation history (SFH) recovery via CMD reconstruction, for different radii corresponding to the cluster centre, the cluster outskirts, and the underlying LMC field. The mean SFH derived from the LMC field is taken into acco"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.2814","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":"1102.2814","created_at":"2026-05-18T03:36:27.134660+00:00"},{"alias_kind":"arxiv_version","alias_value":"1102.2814v1","created_at":"2026-05-18T03:36:27.134660+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.2814","created_at":"2026-05-18T03:36:27.134660+00:00"},{"alias_kind":"pith_short_12","alias_value":"OSZ7EUXLU6G4","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_16","alias_value":"OSZ7EUXLU6G4RLDQ","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_8","alias_value":"OSZ7EUXL","created_at":"2026-05-18T12:26:37.096874+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/OSZ7EUXLU6G4RLDQ6INRKQXUDO","json":"https://pith.science/pith/OSZ7EUXLU6G4RLDQ6INRKQXUDO.json","graph_json":"https://pith.science/api/pith-number/OSZ7EUXLU6G4RLDQ6INRKQXUDO/graph.json","events_json":"https://pith.science/api/pith-number/OSZ7EUXLU6G4RLDQ6INRKQXUDO/events.json","paper":"https://pith.science/paper/OSZ7EUXL"},"agent_actions":{"view_html":"https://pith.science/pith/OSZ7EUXLU6G4RLDQ6INRKQXUDO","download_json":"https://pith.science/pith/OSZ7EUXLU6G4RLDQ6INRKQXUDO.json","view_paper":"https://pith.science/paper/OSZ7EUXL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1102.2814&json=true","fetch_graph":"https://pith.science/api/pith-number/OSZ7EUXLU6G4RLDQ6INRKQXUDO/graph.json","fetch_events":"https://pith.science/api/pith-number/OSZ7EUXLU6G4RLDQ6INRKQXUDO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OSZ7EUXLU6G4RLDQ6INRKQXUDO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OSZ7EUXLU6G4RLDQ6INRKQXUDO/action/storage_attestation","attest_author":"https://pith.science/pith/OSZ7EUXLU6G4RLDQ6INRKQXUDO/action/author_attestation","sign_citation":"https://pith.science/pith/OSZ7EUXLU6G4RLDQ6INRKQXUDO/action/citation_signature","submit_replication":"https://pith.science/pith/OSZ7EUXLU6G4RLDQ6INRKQXUDO/action/replication_record"}},"created_at":"2026-05-18T03:36:27.134660+00:00","updated_at":"2026-05-18T03:36:27.134660+00:00"}