{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:5NQ4LDGZGPXXPCIK3TTF7DY3XV","short_pith_number":"pith:5NQ4LDGZ","schema_version":"1.0","canonical_sha256":"eb61c58cd933ef77890adce65f8f1bbd648fcfa8de0675d4c827808b6ee38a94","source":{"kind":"arxiv","id":"1506.05477","version":1},"attestation_state":"computed","paper":{"title":"Electronic magnetization of a quantum point contact measured by nuclear magnetic resonance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Keiji Ono, Kimitoshi Kono, Minoru Kawamura, Peter Stano, Tomosuke Aono","submitted_at":"2015-06-17T20:06:48Z","abstract_excerpt":"We report an electronic magnetization measurement of a quantum point contact (QPC) based on nuclear magnetic resonance (NMR) spectroscopy. We find that NMR signals can be detected by measuring the QPC conductance under in-plane magnetic fields. This makes it possible to measure, from Knight shifts of the NMR spectra, the electronic magnetization of a QPC containing only a few electron spins. The magnetization changes smoothly with the QPC potential barrier height and peaks at the conductance plateau of 0.5 $\\times$ $2e^2/h$. The observed features are well captured by a model calculation assumi"},"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":"1506.05477","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-06-17T20:06:48Z","cross_cats_sorted":[],"title_canon_sha256":"a7cddd108337a3e2e432e6da40ba609eb33a2eb6ce388e14747577bfb64c7cf9","abstract_canon_sha256":"3fbe0cee40f83229068c54dbe91dece4f61d0d076bc30e88030cc50cdbd78095"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:49.542599Z","signature_b64":"AaFax4GqJEgKAXaqlnjfz4M/b9atevLgexaUIiIm00n4UmFKjZL8ES47ozosJEAGlSYvmcm8w97Ihcm1ouXLBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb61c58cd933ef77890adce65f8f1bbd648fcfa8de0675d4c827808b6ee38a94","last_reissued_at":"2026-05-18T01:36:49.542100Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:49.542100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Electronic magnetization of a quantum point contact measured by nuclear magnetic resonance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Keiji Ono, Kimitoshi Kono, Minoru Kawamura, Peter Stano, Tomosuke Aono","submitted_at":"2015-06-17T20:06:48Z","abstract_excerpt":"We report an electronic magnetization measurement of a quantum point contact (QPC) based on nuclear magnetic resonance (NMR) spectroscopy. We find that NMR signals can be detected by measuring the QPC conductance under in-plane magnetic fields. This makes it possible to measure, from Knight shifts of the NMR spectra, the electronic magnetization of a QPC containing only a few electron spins. The magnetization changes smoothly with the QPC potential barrier height and peaks at the conductance plateau of 0.5 $\\times$ $2e^2/h$. The observed features are well captured by a model calculation assumi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.05477","kind":"arxiv","version":1},"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":"1506.05477","created_at":"2026-05-18T01:36:49.542163+00:00"},{"alias_kind":"arxiv_version","alias_value":"1506.05477v1","created_at":"2026-05-18T01:36:49.542163+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.05477","created_at":"2026-05-18T01:36:49.542163+00:00"},{"alias_kind":"pith_short_12","alias_value":"5NQ4LDGZGPXX","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"5NQ4LDGZGPXXPCIK","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"5NQ4LDGZ","created_at":"2026-05-18T12:29:05.191682+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/5NQ4LDGZGPXXPCIK3TTF7DY3XV","json":"https://pith.science/pith/5NQ4LDGZGPXXPCIK3TTF7DY3XV.json","graph_json":"https://pith.science/api/pith-number/5NQ4LDGZGPXXPCIK3TTF7DY3XV/graph.json","events_json":"https://pith.science/api/pith-number/5NQ4LDGZGPXXPCIK3TTF7DY3XV/events.json","paper":"https://pith.science/paper/5NQ4LDGZ"},"agent_actions":{"view_html":"https://pith.science/pith/5NQ4LDGZGPXXPCIK3TTF7DY3XV","download_json":"https://pith.science/pith/5NQ4LDGZGPXXPCIK3TTF7DY3XV.json","view_paper":"https://pith.science/paper/5NQ4LDGZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1506.05477&json=true","fetch_graph":"https://pith.science/api/pith-number/5NQ4LDGZGPXXPCIK3TTF7DY3XV/graph.json","fetch_events":"https://pith.science/api/pith-number/5NQ4LDGZGPXXPCIK3TTF7DY3XV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5NQ4LDGZGPXXPCIK3TTF7DY3XV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5NQ4LDGZGPXXPCIK3TTF7DY3XV/action/storage_attestation","attest_author":"https://pith.science/pith/5NQ4LDGZGPXXPCIK3TTF7DY3XV/action/author_attestation","sign_citation":"https://pith.science/pith/5NQ4LDGZGPXXPCIK3TTF7DY3XV/action/citation_signature","submit_replication":"https://pith.science/pith/5NQ4LDGZGPXXPCIK3TTF7DY3XV/action/replication_record"}},"created_at":"2026-05-18T01:36:49.542163+00:00","updated_at":"2026-05-18T01:36:49.542163+00:00"}