{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IFA25L2J2FU2HJITUJE6UCWTFO","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"acd41fa4ee7aff2b529169348c8c7f0b215b303333e2b796720fe42221d82971","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-01T19:00:02Z","title_canon_sha256":"9bc6003a403b0c0bb1c527a60d431e2d58f11e3e69e5ad375de2dfa5379a5a99"},"schema_version":"1.0","source":{"id":"1803.00573","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.00573","created_at":"2026-05-18T00:02:35Z"},{"alias_kind":"arxiv_version","alias_value":"1803.00573v2","created_at":"2026-05-18T00:02:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.00573","created_at":"2026-05-18T00:02:35Z"},{"alias_kind":"pith_short_12","alias_value":"IFA25L2J2FU2","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"IFA25L2J2FU2HJIT","created_at":"2026-05-18T12:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"IFA25L2J","created_at":"2026-05-18T12:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:0d84c8dbdd65777378efb17ba57120006a223750ebe0bab9bc9cc57eb072c7d9","target":"graph","created_at":"2026-05-18T00:02:35Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The Young Local Associations constitute an excellent sample for the study of a variety of astrophysical topics, especially the star formation process in low-density environments. Data from the Gaia mission allows us to undertake studies of the YLAs with unprecedented accuracy. We determine the dynamical age and place of birth of a set of associations in a uniform and dynamically consistent manner. There are nine YLAs in our sample $\\epsilon$ Chamaeleontis, TW Hydrae, $\\beta$ Pictoris, Octans, Tucana-Horologium, Columba, Carina, Argus and AB Doradus. We designed a method for deriving the dynami","authors_text":"Francesca Figueras, Merc\\`e Romero-G\\'omez, N\\'uria Miret-Roig, Teresa Antoja","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-01T19:00:02Z","title":"Dynamical Ages of the Young Local Associations with $\\textit{Gaia}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.00573","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:0d7265061074141428a896b603adb92a6d1c8e9708ba594bf87a70ddb6c44254","target":"record","created_at":"2026-05-18T00:02:35Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"acd41fa4ee7aff2b529169348c8c7f0b215b303333e2b796720fe42221d82971","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-03-01T19:00:02Z","title_canon_sha256":"9bc6003a403b0c0bb1c527a60d431e2d58f11e3e69e5ad375de2dfa5379a5a99"},"schema_version":"1.0","source":{"id":"1803.00573","kind":"arxiv","version":2}},"canonical_sha256":"4141aeaf49d169a3a513a249ea0ad32bbe6dc74a2db7e9e5493f848e6d1bf659","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4141aeaf49d169a3a513a249ea0ad32bbe6dc74a2db7e9e5493f848e6d1bf659","first_computed_at":"2026-05-18T00:02:35.536649Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:35.536649Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CEZr09wAbvN8QpGCwUK8kmZBgEcB2V7laT7EDkQA/+O4aJTecjWI6WKN38B6If6jkUPFm2Tp7LSJFrPgLPRpCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:35.537237Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.00573","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d7265061074141428a896b603adb92a6d1c8e9708ba594bf87a70ddb6c44254","sha256:0d84c8dbdd65777378efb17ba57120006a223750ebe0bab9bc9cc57eb072c7d9"],"state_sha256":"d97789048d32ce60e35839ce8336729e257c273e4ebd2c3a8888b578841c2695"}