{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:CBUPCTRFMMFJUHZGF3HJAPWY3U","short_pith_number":"pith:CBUPCTRF","schema_version":"1.0","canonical_sha256":"1068f14e25630a9a1f262ece903ed8dd28141671a692e7abb18b28d6f3152be6","source":{"kind":"arxiv","id":"1005.3764","version":3},"attestation_state":"computed","paper":{"title":"Zero-bias Anomaly of Quantum Point Contacts in the Low-Conductance Limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"J. A. Folk, S. M. Frolov, W. Wegscheider, W. W. Yu, Y. Ren","submitted_at":"2010-05-20T17:24:16Z","abstract_excerpt":"Most quantum point contacts (QPCs) fabricated in high-mobility 2D electron gases show a zero-bias conductance peak near pinchoff, but the origin of this peak remains a mystery. Previous experiments have primarily focused on the zero-bias peak at moderate conductance, in the range (1-2)e^2/h. Here, measurements are presented of zero-bias peaks that persist down to 10^{-4}e^2/h. Magnetic field and temperature dependencies of the zero-bias peak in the low-conductance limit are qualitatively different from the analogous phenomenology at higher conductance, with implications for existing theoretica"},"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":"1005.3764","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-05-20T17:24:16Z","cross_cats_sorted":[],"title_canon_sha256":"951bed32848484c3c1caba27d5b8966fda5a7e4f79e564b8477fb90828033f53","abstract_canon_sha256":"7408980af322b5fe17e4127702b13a9ae9e78d8420b32f334f7bc47d47e51702"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:16.248437Z","signature_b64":"jdgipiEpuXa2xLz9rv2MNkA9wlcsc4nrVZBI1H3FqBhhCl//1YQfZTidEwZ75AcUH2hiUItBm/sWvBzIFCdrAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1068f14e25630a9a1f262ece903ed8dd28141671a692e7abb18b28d6f3152be6","last_reissued_at":"2026-05-18T02:07:16.247906Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:16.247906Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Zero-bias Anomaly of Quantum Point Contacts in the Low-Conductance Limit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"J. A. Folk, S. M. Frolov, W. Wegscheider, W. W. Yu, Y. Ren","submitted_at":"2010-05-20T17:24:16Z","abstract_excerpt":"Most quantum point contacts (QPCs) fabricated in high-mobility 2D electron gases show a zero-bias conductance peak near pinchoff, but the origin of this peak remains a mystery. Previous experiments have primarily focused on the zero-bias peak at moderate conductance, in the range (1-2)e^2/h. Here, measurements are presented of zero-bias peaks that persist down to 10^{-4}e^2/h. Magnetic field and temperature dependencies of the zero-bias peak in the low-conductance limit are qualitatively different from the analogous phenomenology at higher conductance, with implications for existing theoretica"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3764","kind":"arxiv","version":3},"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":"1005.3764","created_at":"2026-05-18T02:07:16.247987+00:00"},{"alias_kind":"arxiv_version","alias_value":"1005.3764v3","created_at":"2026-05-18T02:07:16.247987+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3764","created_at":"2026-05-18T02:07:16.247987+00:00"},{"alias_kind":"pith_short_12","alias_value":"CBUPCTRFMMFJ","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_16","alias_value":"CBUPCTRFMMFJUHZG","created_at":"2026-05-18T12:26:05.355336+00:00"},{"alias_kind":"pith_short_8","alias_value":"CBUPCTRF","created_at":"2026-05-18T12:26:05.355336+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/CBUPCTRFMMFJUHZGF3HJAPWY3U","json":"https://pith.science/pith/CBUPCTRFMMFJUHZGF3HJAPWY3U.json","graph_json":"https://pith.science/api/pith-number/CBUPCTRFMMFJUHZGF3HJAPWY3U/graph.json","events_json":"https://pith.science/api/pith-number/CBUPCTRFMMFJUHZGF3HJAPWY3U/events.json","paper":"https://pith.science/paper/CBUPCTRF"},"agent_actions":{"view_html":"https://pith.science/pith/CBUPCTRFMMFJUHZGF3HJAPWY3U","download_json":"https://pith.science/pith/CBUPCTRFMMFJUHZGF3HJAPWY3U.json","view_paper":"https://pith.science/paper/CBUPCTRF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1005.3764&json=true","fetch_graph":"https://pith.science/api/pith-number/CBUPCTRFMMFJUHZGF3HJAPWY3U/graph.json","fetch_events":"https://pith.science/api/pith-number/CBUPCTRFMMFJUHZGF3HJAPWY3U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CBUPCTRFMMFJUHZGF3HJAPWY3U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CBUPCTRFMMFJUHZGF3HJAPWY3U/action/storage_attestation","attest_author":"https://pith.science/pith/CBUPCTRFMMFJUHZGF3HJAPWY3U/action/author_attestation","sign_citation":"https://pith.science/pith/CBUPCTRFMMFJUHZGF3HJAPWY3U/action/citation_signature","submit_replication":"https://pith.science/pith/CBUPCTRFMMFJUHZGF3HJAPWY3U/action/replication_record"}},"created_at":"2026-05-18T02:07:16.247987+00:00","updated_at":"2026-05-18T02:07:16.247987+00:00"}