{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ZT3RATRE4XYWX7WPOZLVGPJSDH","short_pith_number":"pith:ZT3RATRE","schema_version":"1.0","canonical_sha256":"ccf7104e24e5f16bfecf7657533d3219e4bf57adde8004fdc24d19b99d8511ad","source":{"kind":"arxiv","id":"1803.01908","version":1},"attestation_state":"computed","paper":{"title":"The Gaia-ESO Survey: kinematical and dynamical study of four young open clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Bayo, A. Bragaglia, A. Frasca, A. Hourihane, A. Klutsch, C. C. Worley, C. Lardo, E. Flaccomio, E. Franciosini, E. Moraux, E. Pancino, E. Zari, F. Damiani, F. M. Jim\\'enez-Esteban, G. Carraro, G. Gilmore, G. G. Sacco, J. Lewis, J. L\\'opez-Santiago, L. Bravi, L. Magrini, L. Morbidelli, L. Prisinzano, L. Spina, M. T. Costado, N. Wright, P. Francois, P. Jofr\\'e, R. D. Jeffries, R. J. Jackson, S. E. Koposov, S. G. Sousa, S. Randich, S. Zaggia, V. Roccatagliata","submitted_at":"2018-03-05T20:11:24Z","abstract_excerpt":"Context. The origin and dynamical evolution of star clusters is an important topic in stellar astrophysics. Several models have been proposed to understand the formation of bound and unbound clusters and their evolution, and these can be tested by examining the kinematical and dynamical properties of clusters over a wide range of ages and masses. Aims. We use the Gaia-ESO Survey products to study four open clusters (IC 2602, IC 2391, IC 4665, and NGC 2547) that lie in the age range between 20 and 50 Myr. Methods. We employ the gravity index $\\gamma$ and the equivalent width of the lithium line"},"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":"1803.01908","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-05T20:11:24Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"5b8755781a0f444223ed462b97bf5c45028431760462ef8fe04facf351fd1698","abstract_canon_sha256":"8d29fe6161d33d912aaeb548918ee91587a6620a8e6d54eb5e5afedd7ac57d4f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:31.719600Z","signature_b64":"LCA8SM2gMO+XzMxeDQLoPkEuZ+ffOISrCxEPBqh5bSO8enJV3vDl+/z0J6QTHyYL5sjS0Wtbsw+oQWdqgimmBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ccf7104e24e5f16bfecf7657533d3219e4bf57adde8004fdc24d19b99d8511ad","last_reissued_at":"2026-05-18T00:10:31.718901Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:31.718901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Gaia-ESO Survey: kinematical and dynamical study of four young open clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"A. Bayo, A. Bragaglia, A. Frasca, A. Hourihane, A. Klutsch, C. C. Worley, C. Lardo, E. Flaccomio, E. Franciosini, E. Moraux, E. Pancino, E. Zari, F. Damiani, F. M. Jim\\'enez-Esteban, G. Carraro, G. Gilmore, G. G. Sacco, J. Lewis, J. L\\'opez-Santiago, L. Bravi, L. Magrini, L. Morbidelli, L. Prisinzano, L. Spina, M. T. Costado, N. Wright, P. Francois, P. Jofr\\'e, R. D. Jeffries, R. J. Jackson, S. E. Koposov, S. G. Sousa, S. Randich, S. Zaggia, V. Roccatagliata","submitted_at":"2018-03-05T20:11:24Z","abstract_excerpt":"Context. The origin and dynamical evolution of star clusters is an important topic in stellar astrophysics. Several models have been proposed to understand the formation of bound and unbound clusters and their evolution, and these can be tested by examining the kinematical and dynamical properties of clusters over a wide range of ages and masses. Aims. We use the Gaia-ESO Survey products to study four open clusters (IC 2602, IC 2391, IC 4665, and NGC 2547) that lie in the age range between 20 and 50 Myr. Methods. We employ the gravity index $\\gamma$ and the equivalent width of the lithium line"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.01908","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":"1803.01908","created_at":"2026-05-18T00:10:31.718986+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.01908v1","created_at":"2026-05-18T00:10:31.718986+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.01908","created_at":"2026-05-18T00:10:31.718986+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZT3RATRE4XYW","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZT3RATRE4XYWX7WP","created_at":"2026-05-18T12:33:07.085635+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZT3RATRE","created_at":"2026-05-18T12:33:07.085635+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/ZT3RATRE4XYWX7WPOZLVGPJSDH","json":"https://pith.science/pith/ZT3RATRE4XYWX7WPOZLVGPJSDH.json","graph_json":"https://pith.science/api/pith-number/ZT3RATRE4XYWX7WPOZLVGPJSDH/graph.json","events_json":"https://pith.science/api/pith-number/ZT3RATRE4XYWX7WPOZLVGPJSDH/events.json","paper":"https://pith.science/paper/ZT3RATRE"},"agent_actions":{"view_html":"https://pith.science/pith/ZT3RATRE4XYWX7WPOZLVGPJSDH","download_json":"https://pith.science/pith/ZT3RATRE4XYWX7WPOZLVGPJSDH.json","view_paper":"https://pith.science/paper/ZT3RATRE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.01908&json=true","fetch_graph":"https://pith.science/api/pith-number/ZT3RATRE4XYWX7WPOZLVGPJSDH/graph.json","fetch_events":"https://pith.science/api/pith-number/ZT3RATRE4XYWX7WPOZLVGPJSDH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZT3RATRE4XYWX7WPOZLVGPJSDH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZT3RATRE4XYWX7WPOZLVGPJSDH/action/storage_attestation","attest_author":"https://pith.science/pith/ZT3RATRE4XYWX7WPOZLVGPJSDH/action/author_attestation","sign_citation":"https://pith.science/pith/ZT3RATRE4XYWX7WPOZLVGPJSDH/action/citation_signature","submit_replication":"https://pith.science/pith/ZT3RATRE4XYWX7WPOZLVGPJSDH/action/replication_record"}},"created_at":"2026-05-18T00:10:31.718986+00:00","updated_at":"2026-05-18T00:10:31.718986+00:00"}