{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:QMDW34PWUOVOIOJB2OPSN3OQWC","short_pith_number":"pith:QMDW34PW","schema_version":"1.0","canonical_sha256":"83076df1f6a3aae43921d39f26edd0b0a9b03aa2e0e268b9e3cf79f91bef6f05","source":{"kind":"arxiv","id":"1409.5382","version":4},"attestation_state":"computed","paper":{"title":"Novel Differential Conductance Oscillations in Asymmetric Quantum Point Contacts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Albert M. Chang, Hao Zhang, Phillip M. Wu","submitted_at":"2014-09-18T17:29:36Z","abstract_excerpt":"Small differential conductance oscillations as a function of source-drain bias were observed and systematically studied in an asymmetric quantum point contact (QPC). These oscillations become significantly suppressed in a small in-plane magnetic field ($\\sim~0.7~T$) or at higher temperatures ($\\sim~800~mK$). Qualitatively, their temperature evolution can be simulated numerically based on smearing of the Fermi distribution, whereas features near zero-bias cannot. Single particle scenarios are unsatisfactory in accounting for the oscillations, suggesting that they are likely caused by electron a"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1409.5382","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-09-18T17:29:36Z","cross_cats_sorted":[],"title_canon_sha256":"60a30922a2528978cad097d413e43401b95bacd1949838f6ffaee262ca7341ef","abstract_canon_sha256":"ce55c2cb8848fdabcfde5a5b1ce0aadffe8f84f85d211b8ff42f70fb35e60411"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:38.510106Z","signature_b64":"RGbMY5AnkizxmOtaoYCHD1cG8pvBZniImbrkb8SDtdloVIyFAARFZ+Si/kmgs8PzrjM4jh4GuBN9D8alF5OoAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83076df1f6a3aae43921d39f26edd0b0a9b03aa2e0e268b9e3cf79f91bef6f05","last_reissued_at":"2026-05-18T01:59:38.509482Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:38.509482Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Novel Differential Conductance Oscillations in Asymmetric Quantum Point Contacts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Albert M. Chang, Hao Zhang, Phillip M. Wu","submitted_at":"2014-09-18T17:29:36Z","abstract_excerpt":"Small differential conductance oscillations as a function of source-drain bias were observed and systematically studied in an asymmetric quantum point contact (QPC). These oscillations become significantly suppressed in a small in-plane magnetic field ($\\sim~0.7~T$) or at higher temperatures ($\\sim~800~mK$). Qualitatively, their temperature evolution can be simulated numerically based on smearing of the Fermi distribution, whereas features near zero-bias cannot. Single particle scenarios are unsatisfactory in accounting for the oscillations, suggesting that they are likely caused by electron a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.5382","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1409.5382","created_at":"2026-05-18T01:59:38.509576+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.5382v4","created_at":"2026-05-18T01:59:38.509576+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.5382","created_at":"2026-05-18T01:59:38.509576+00:00"},{"alias_kind":"pith_short_12","alias_value":"QMDW34PWUOVO","created_at":"2026-05-18T12:28:46.137349+00:00"},{"alias_kind":"pith_short_16","alias_value":"QMDW34PWUOVOIOJB","created_at":"2026-05-18T12:28:46.137349+00:00"},{"alias_kind":"pith_short_8","alias_value":"QMDW34PW","created_at":"2026-05-18T12:28:46.137349+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QMDW34PWUOVOIOJB2OPSN3OQWC","json":"https://pith.science/pith/QMDW34PWUOVOIOJB2OPSN3OQWC.json","graph_json":"https://pith.science/api/pith-number/QMDW34PWUOVOIOJB2OPSN3OQWC/graph.json","events_json":"https://pith.science/api/pith-number/QMDW34PWUOVOIOJB2OPSN3OQWC/events.json","paper":"https://pith.science/paper/QMDW34PW"},"agent_actions":{"view_html":"https://pith.science/pith/QMDW34PWUOVOIOJB2OPSN3OQWC","download_json":"https://pith.science/pith/QMDW34PWUOVOIOJB2OPSN3OQWC.json","view_paper":"https://pith.science/paper/QMDW34PW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.5382&json=true","fetch_graph":"https://pith.science/api/pith-number/QMDW34PWUOVOIOJB2OPSN3OQWC/graph.json","fetch_events":"https://pith.science/api/pith-number/QMDW34PWUOVOIOJB2OPSN3OQWC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QMDW34PWUOVOIOJB2OPSN3OQWC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QMDW34PWUOVOIOJB2OPSN3OQWC/action/storage_attestation","attest_author":"https://pith.science/pith/QMDW34PWUOVOIOJB2OPSN3OQWC/action/author_attestation","sign_citation":"https://pith.science/pith/QMDW34PWUOVOIOJB2OPSN3OQWC/action/citation_signature","submit_replication":"https://pith.science/pith/QMDW34PWUOVOIOJB2OPSN3OQWC/action/replication_record"}},"created_at":"2026-05-18T01:59:38.509576+00:00","updated_at":"2026-05-18T01:59:38.509576+00:00"}