{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:A7RIKIAVBN2M46VXSCWJKJILED","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":"9503a56294d2c81827b12670907ee4453f1200cef70e6a001ce0e669bc8813d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-02-11T12:13:31Z","title_canon_sha256":"ee2cb5a1e88666d6095bf9c30262dff784c6b65492843dfa3c859c17c8130bf1"},"schema_version":"1.0","source":{"id":"2002.04340","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.04340","created_at":"2026-07-05T01:27:20Z"},{"alias_kind":"arxiv_version","alias_value":"2002.04340v2","created_at":"2026-07-05T01:27:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.04340","created_at":"2026-07-05T01:27:20Z"},{"alias_kind":"pith_short_12","alias_value":"A7RIKIAVBN2M","created_at":"2026-07-05T01:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"A7RIKIAVBN2M46VX","created_at":"2026-07-05T01:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"A7RIKIAV","created_at":"2026-07-05T01:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:dfa9b4588a4de1b9ba761850eaa2df6e515775c737017a858a708d022b2a5fd0","target":"graph","created_at":"2026-07-05T01:27:20Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2002.04340/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The advent of Gaia's 2nd data release in combination with large spectroscopic surveys are revolutionizing our understanding of the Galaxy. Thanks to these and the knowledge accumulated thus far, a more mature picture of the evolution of the early Milky Way is emerging:\n  * Two of the traditional Galactic components, i.e. the stellar halo and the thick disk, appear to be intimately linked: stars with halo-like kinematics originate in similar proportions, from a \"heated\" (thick) disk and from debris from a system named Gaia-Enceladus. Gaia-Enceladus was the last big merger event experienced by t","authors_text":"Amina Helmi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-02-11T12:13:31Z","title":"Streams, substructures and the early history of the Milky Way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.04340","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":"sha256:14419ae29fd027999b4c858cf3a57425882df59c4d29d88f9191146e31badded","target":"record","created_at":"2026-07-05T01:27:20Z","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":"9503a56294d2c81827b12670907ee4453f1200cef70e6a001ce0e669bc8813d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-02-11T12:13:31Z","title_canon_sha256":"ee2cb5a1e88666d6095bf9c30262dff784c6b65492843dfa3c859c17c8130bf1"},"schema_version":"1.0","source":{"id":"2002.04340","kind":"arxiv","version":2}},"canonical_sha256":"07e28520150b74ce7ab790ac95250b20d3951ad9bd06f13feaa301f3aaf4f0de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07e28520150b74ce7ab790ac95250b20d3951ad9bd06f13feaa301f3aaf4f0de","first_computed_at":"2026-07-05T01:27:20.934670Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:27:20.934670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IQtIiXyiXDuyyF0V94VgIzxjAjuI8tY5jjdUoWaBxnoF0HC//e37JYvx0QMH2oTAAr+kzOkd9nMN7lMm+0UmBA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:27:20.935138Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.04340","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14419ae29fd027999b4c858cf3a57425882df59c4d29d88f9191146e31badded","sha256:dfa9b4588a4de1b9ba761850eaa2df6e515775c737017a858a708d022b2a5fd0"],"state_sha256":"81cbc1deeebc5e6502b0b1f8f8df6b5aacd137077b314deffa4dab5b618ebc1c"}