{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ABKCIXH6TQJVWXINIQ6EHVQFAC","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":"ef033e63b16e34f22293d7b996e2a9ea9afae0907485778132ee058b8cca9f78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-05-27T01:55:01Z","title_canon_sha256":"7cbfddbd1d995c21abc53647605f209953840b94e8603127d3327c1085229b53"},"schema_version":"1.0","source":{"id":"1105.5467","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.5467","created_at":"2026-05-18T02:01:50Z"},{"alias_kind":"arxiv_version","alias_value":"1105.5467v1","created_at":"2026-05-18T02:01:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.5467","created_at":"2026-05-18T02:01:50Z"},{"alias_kind":"pith_short_12","alias_value":"ABKCIXH6TQJV","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"ABKCIXH6TQJVWXIN","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"ABKCIXH6","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:8dbba6896a5c5228824d253cf4f82c6c5417525249ee36e516d96f28a9bc48f8","target":"graph","created_at":"2026-05-18T02:01:50Z","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 Berry phase and the group-velocity-based traversal time have been calculated for an asymmetric non-contacted or contacted graphene structure, and significant differences have been observed compared to semiconductor heterostructures. These differences are related to the specific, Dirac-like evolution law of charge carriers in graphene, which introduces a new type of asymmetry. When contacted with electrodes, the symmetry of the Dirac equation is broken by the Schrodinger-type electrons in contacts, so that the Berry phase and traversal time behavior in contacted and non-contacted graphene d","authors_text":"Daniela Dragoman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-05-27T01:55:01Z","title":"Berry Phase and Traversal Time in Asymmetric Graphene Structures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.5467","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":"sha256:1b05f477639789900b9139279fee5265681819b1bf51d9a38e0a43f1d4c8039a","target":"record","created_at":"2026-05-18T02:01:50Z","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":"ef033e63b16e34f22293d7b996e2a9ea9afae0907485778132ee058b8cca9f78","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-05-27T01:55:01Z","title_canon_sha256":"7cbfddbd1d995c21abc53647605f209953840b94e8603127d3327c1085229b53"},"schema_version":"1.0","source":{"id":"1105.5467","kind":"arxiv","version":1}},"canonical_sha256":"0054245cfe9c135b5d0d443c43d60500afd3de170ec0210c656cfd270cc7db64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0054245cfe9c135b5d0d443c43d60500afd3de170ec0210c656cfd270cc7db64","first_computed_at":"2026-05-18T02:01:50.088625Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:50.088625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HlY7BqBpO9GW1SyZMQi4J042L6vRQWgwxsEppcyCePGc1QH/U3DegT01FKbT1offgWC9KZjXWwQCCV35w1ZMBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:50.089452Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.5467","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b05f477639789900b9139279fee5265681819b1bf51d9a38e0a43f1d4c8039a","sha256:8dbba6896a5c5228824d253cf4f82c6c5417525249ee36e516d96f28a9bc48f8"],"state_sha256":"637d160398828adc440510b2665230872f067e3ad7b0d1866054aa54afb46d72"}