{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QAPBQEFFN3GXZ4W2NTN7MANJ72","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":"a17b55ddc0fdf43d618fb677f444fcc6a2bb553c9fbeca28d50d6331c9c12852","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-17T10:10:33Z","title_canon_sha256":"82c1006eb5f836bb766d8a9a8eaad8df679f034bc24d77f30f855537f26aa98b"},"schema_version":"1.0","source":{"id":"1908.06282","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06282","created_at":"2026-07-05T01:30:21Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06282v1","created_at":"2026-07-05T01:30:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06282","created_at":"2026-07-05T01:30:21Z"},{"alias_kind":"pith_short_12","alias_value":"QAPBQEFFN3GX","created_at":"2026-07-05T01:30:21Z"},{"alias_kind":"pith_short_16","alias_value":"QAPBQEFFN3GXZ4W2","created_at":"2026-07-05T01:30:21Z"},{"alias_kind":"pith_short_8","alias_value":"QAPBQEFF","created_at":"2026-07-05T01:30:21Z"}],"graph_snapshots":[{"event_id":"sha256:cecf27fc1077f0ae0cd41b652ef077e3104137ebe1583f9e64585aa60a58d3b2","target":"graph","created_at":"2026-07-05T01:30:21Z","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/1908.06282/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A variational approach is used in order to study the stationary states of Hall devices. Charge accumulation, electric potentials and electric currents are investigated on the basis of the Kirchhoff-Helmholtz principle of least heat dissipation. A simple expression for the state of minimum power dissipated -- that corresponds to zero transverse current and harmonic chemical potential -- is derived. It is shown that a longitudinal surface current proportional to the charge accumulation is flowing near the edges of the device. Charge accumulation and surface currents define a boundary layer over ","authors_text":"F. Faisant, J.-E. Wegrowe, J. M. Rub\\`i, M. Creff","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-17T10:10:33Z","title":"Surface currents in Hall devices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06282","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":"sha256:852e86c542d2c35a9e88e47be8aa40c8dc5464da65d5dbfd76527fe237c8dd9f","target":"record","created_at":"2026-07-05T01:30:21Z","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":"a17b55ddc0fdf43d618fb677f444fcc6a2bb553c9fbeca28d50d6331c9c12852","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-17T10:10:33Z","title_canon_sha256":"82c1006eb5f836bb766d8a9a8eaad8df679f034bc24d77f30f855537f26aa98b"},"schema_version":"1.0","source":{"id":"1908.06282","kind":"arxiv","version":1}},"canonical_sha256":"801e1810a56ecd7cf2da6cdbf601a9febee3e27b53dd11d393af201ceb88c5e0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"801e1810a56ecd7cf2da6cdbf601a9febee3e27b53dd11d393af201ceb88c5e0","first_computed_at":"2026-07-05T01:30:21.392015Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:30:21.392015Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"inGR+pcvL73ny3qgKX/2v9V9n/ivijiL9+9GKs5qsEVEi4PqhxRwiQ8dPGPefBUWnYJR2v8ohDwzhTb8OgZ3BA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:30:21.392424Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.06282","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:852e86c542d2c35a9e88e47be8aa40c8dc5464da65d5dbfd76527fe237c8dd9f","sha256:cecf27fc1077f0ae0cd41b652ef077e3104137ebe1583f9e64585aa60a58d3b2"],"state_sha256":"16e0976e0469425f0511ed943307a90b0f715b5e291286a6e4ac42d1a80eea7e"}