{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:Z62FY4FAIJWLNSPMPZCH5GVZTF","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":"0503834dd5424d9c812dcb442b42f22db29cdcc4cd22ec467f6d7049982a2e7e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-16T08:53:06Z","title_canon_sha256":"efe7db6214ee1b8e0315a7106dc04864f44cec4aa0eb41ef22c5997e4f096bb4"},"schema_version":"1.0","source":{"id":"1512.05091","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.05091","created_at":"2026-05-18T01:02:04Z"},{"alias_kind":"arxiv_version","alias_value":"1512.05091v1","created_at":"2026-05-18T01:02:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.05091","created_at":"2026-05-18T01:02:04Z"},{"alias_kind":"pith_short_12","alias_value":"Z62FY4FAIJWL","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"Z62FY4FAIJWLNSPM","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"Z62FY4FA","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:b4f496e63cef47e90fa3686aea3ce60a81d2cf6b85c79ed1653c214a1d328d9f","target":"graph","created_at":"2026-05-18T01:02:04Z","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":"Our detailed analytic local disc model (JJ-model) quantifies the interrelation between kinematic properties (e.g. velocity dispersions and asymmetric drift), spatial parameters (scale-lengths and vertical density profiles), and properties of stellar sub-populations (age and abundance distributions). Any consistent radial extension of the disc evolution model should predict specific features in the different distribution functions and in their correlations. Large spectroscopic surveys (SEGUE, RAVE, APOGEE, Gaia-ESO) allow significant constraints on the long-term evolution of the thin disc. We d","authors_text":"Andreas Just, Jan Rybizki","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-16T08:53:06Z","title":"Dynamical and chemical evolution of the thin disc"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.05091","kind":"arxiv","version":1},"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":"sha256:3f4f97dab1061407ce2e63bb23caac0a5fb91f6a6df9134b0eddeca820013319","target":"record","created_at":"2026-05-18T01:02:04Z","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":"0503834dd5424d9c812dcb442b42f22db29cdcc4cd22ec467f6d7049982a2e7e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-16T08:53:06Z","title_canon_sha256":"efe7db6214ee1b8e0315a7106dc04864f44cec4aa0eb41ef22c5997e4f096bb4"},"schema_version":"1.0","source":{"id":"1512.05091","kind":"arxiv","version":1}},"canonical_sha256":"cfb45c70a0426cb6c9ec7e447e9ab99974aaca6012d3b4b3a85ffc5025a947a8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cfb45c70a0426cb6c9ec7e447e9ab99974aaca6012d3b4b3a85ffc5025a947a8","first_computed_at":"2026-05-18T01:02:04.679826Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:02:04.679826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OcPgJzHoD+Glh6q3YdaMcsiErlz3cOuJ9eg9vk/NUSiTNothF4QbaLBv/Cva8cCad+DZwH6Gk1VFg21MJqr1Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T01:02:04.680572Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.05091","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f4f97dab1061407ce2e63bb23caac0a5fb91f6a6df9134b0eddeca820013319","sha256:b4f496e63cef47e90fa3686aea3ce60a81d2cf6b85c79ed1653c214a1d328d9f"],"state_sha256":"46010331638e7f8879a865976e86a219187ef4555636b43ce38a3c0194b0f7c8"}