{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:YCSB36N7T7VWM7IQ6OSZCQ3A7H","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":"0bdbf5b3fe037d0d91ca52b32f6976f7507a29e9ab0670ea11ca00eb15ef4c6c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-27T19:18:03Z","title_canon_sha256":"b8ebcfafbb42f34ee6f3a14213e5cf2ca69304cc29c8f1eaa9cf4c702e37a612"},"schema_version":"1.0","source":{"id":"2605.29019","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.29019","created_at":"2026-05-29T01:04:43Z"},{"alias_kind":"arxiv_version","alias_value":"2605.29019v1","created_at":"2026-05-29T01:04:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.29019","created_at":"2026-05-29T01:04:43Z"},{"alias_kind":"pith_short_12","alias_value":"YCSB36N7T7VW","created_at":"2026-05-29T01:04:43Z"},{"alias_kind":"pith_short_16","alias_value":"YCSB36N7T7VWM7IQ","created_at":"2026-05-29T01:04:43Z"},{"alias_kind":"pith_short_8","alias_value":"YCSB36N7","created_at":"2026-05-29T01:04:43Z"}],"graph_snapshots":[{"event_id":"sha256:a8f4dbc00991d1e065b3a543de6138ace9a7c80385e6247f6f936543e9938bc5","target":"graph","created_at":"2026-05-29T01:04:43Z","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/2605.29019/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum crossover phenomena play a central role in few-body open quantum systems, yet their identification often relies on global or model-dependent indicators. In this work, we demonstrate that crossovers can be robustly characterized through purely local measurements, establishing a direct connection between local quantum Fisher information and the onset of crossover behavior. We further demonstrate that quantum obesity does not, in general, generalize the quantum steering ellipsoid volume as a universal indicator of crossover. Instead, we identify regimes in which the ellipsoid volume remai","authors_text":"A. C. S. Costa, E. C. Diniz, O. P. de Sa Neto","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-27T19:18:03Z","title":"Quantum Crossovers Revealed by Local Measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.29019","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":"sha256:696b576beac1ec0b661b7738b1d15c3982a7d8f0562f2ed24f521a20d4889972","target":"record","created_at":"2026-05-29T01:04:43Z","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":"0bdbf5b3fe037d0d91ca52b32f6976f7507a29e9ab0670ea11ca00eb15ef4c6c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-27T19:18:03Z","title_canon_sha256":"b8ebcfafbb42f34ee6f3a14213e5cf2ca69304cc29c8f1eaa9cf4c702e37a612"},"schema_version":"1.0","source":{"id":"2605.29019","kind":"arxiv","version":1}},"canonical_sha256":"c0a41df9bf9feb667d10f3a5914360f9e2fc17a9afa363450430e80a1ea55dd1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c0a41df9bf9feb667d10f3a5914360f9e2fc17a9afa363450430e80a1ea55dd1","first_computed_at":"2026-05-29T01:04:43.606941Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-29T01:04:43.606941Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C4wgRJMdxilvPSqJF/Pa2tMcWcTwZKJ3cCQ1AUPbaOLAS3c8EZ0BHjwUDlC2XBoiBt0d3xQ3O9Iqr8ejHyWbBQ==","signature_status":"signed_v1","signed_at":"2026-05-29T01:04:43.607538Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.29019","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:696b576beac1ec0b661b7738b1d15c3982a7d8f0562f2ed24f521a20d4889972","sha256:a8f4dbc00991d1e065b3a543de6138ace9a7c80385e6247f6f936543e9938bc5"],"state_sha256":"62c786eec86a3dc796c80123d6cf3b1a4e1546b10151e98b07d31e4a7c5e1947"}