{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:J3XJY3WQEBBCLFAFZRSUBUY3FT","short_pith_number":"pith:J3XJY3WQ","schema_version":"1.0","canonical_sha256":"4eee9c6ed02042259405cc6540d31b2ccded39f009f9fed20e72a8885f15afa0","source":{"kind":"arxiv","id":"1209.6364","version":2},"attestation_state":"computed","paper":{"title":"Insulating behavior at the neutrality point in dual-gated, single-layer graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"D. Goldhaber-Gordon, F. Amet, J. R. Williams, K. Watanabe, T. Taniguchi","submitted_at":"2012-09-27T20:18:30Z","abstract_excerpt":"The fate of the low-temperature conductance at the charge-neutrality (Dirac) point in a single sheet of graphene is investigated down to 20 mK. As the temperature is lowered, the peak resistivity diverges with a power-law behavior and becomes as high as several Megohms per square at the lowest temperature, in contrast with the commonly observed saturation of the conductivity. As a perpendicular magnetic field is applied, our device remains insulating and directly transitions to the broken-valley-symmetry, nu=0 quantum Hall state, indicating that the insulating behavior we observe at zero magne"},"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":"1209.6364","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-09-27T20:18:30Z","cross_cats_sorted":[],"title_canon_sha256":"540a6617e121b8afecf32781a4449c0ebf46b8c63cd4b78def19fd69942867ba","abstract_canon_sha256":"ceeb573633c432c6fdd6f719b1c5f876c05ad2f6039d0078074f113c766dc5c2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:53:41.797837Z","signature_b64":"4nj4PMXURsTpP72wu5U0ecC2sX5B7NtjoDuyovkvS580hjCzKCoLHEzqqb7o7Sp4dXxnjCLkHc5GkubThpokCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4eee9c6ed02042259405cc6540d31b2ccded39f009f9fed20e72a8885f15afa0","last_reissued_at":"2026-05-18T02:53:41.796964Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:53:41.796964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Insulating behavior at the neutrality point in dual-gated, single-layer graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"D. Goldhaber-Gordon, F. Amet, J. R. Williams, K. Watanabe, T. Taniguchi","submitted_at":"2012-09-27T20:18:30Z","abstract_excerpt":"The fate of the low-temperature conductance at the charge-neutrality (Dirac) point in a single sheet of graphene is investigated down to 20 mK. As the temperature is lowered, the peak resistivity diverges with a power-law behavior and becomes as high as several Megohms per square at the lowest temperature, in contrast with the commonly observed saturation of the conductivity. As a perpendicular magnetic field is applied, our device remains insulating and directly transitions to the broken-valley-symmetry, nu=0 quantum Hall state, indicating that the insulating behavior we observe at zero magne"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.6364","kind":"arxiv","version":2},"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":"1209.6364","created_at":"2026-05-18T02:53:41.797119+00:00"},{"alias_kind":"arxiv_version","alias_value":"1209.6364v2","created_at":"2026-05-18T02:53:41.797119+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.6364","created_at":"2026-05-18T02:53:41.797119+00:00"},{"alias_kind":"pith_short_12","alias_value":"J3XJY3WQEBBC","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_16","alias_value":"J3XJY3WQEBBCLFAF","created_at":"2026-05-18T12:27:09.501522+00:00"},{"alias_kind":"pith_short_8","alias_value":"J3XJY3WQ","created_at":"2026-05-18T12:27:09.501522+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/J3XJY3WQEBBCLFAFZRSUBUY3FT","json":"https://pith.science/pith/J3XJY3WQEBBCLFAFZRSUBUY3FT.json","graph_json":"https://pith.science/api/pith-number/J3XJY3WQEBBCLFAFZRSUBUY3FT/graph.json","events_json":"https://pith.science/api/pith-number/J3XJY3WQEBBCLFAFZRSUBUY3FT/events.json","paper":"https://pith.science/paper/J3XJY3WQ"},"agent_actions":{"view_html":"https://pith.science/pith/J3XJY3WQEBBCLFAFZRSUBUY3FT","download_json":"https://pith.science/pith/J3XJY3WQEBBCLFAFZRSUBUY3FT.json","view_paper":"https://pith.science/paper/J3XJY3WQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1209.6364&json=true","fetch_graph":"https://pith.science/api/pith-number/J3XJY3WQEBBCLFAFZRSUBUY3FT/graph.json","fetch_events":"https://pith.science/api/pith-number/J3XJY3WQEBBCLFAFZRSUBUY3FT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/J3XJY3WQEBBCLFAFZRSUBUY3FT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/J3XJY3WQEBBCLFAFZRSUBUY3FT/action/storage_attestation","attest_author":"https://pith.science/pith/J3XJY3WQEBBCLFAFZRSUBUY3FT/action/author_attestation","sign_citation":"https://pith.science/pith/J3XJY3WQEBBCLFAFZRSUBUY3FT/action/citation_signature","submit_replication":"https://pith.science/pith/J3XJY3WQEBBCLFAFZRSUBUY3FT/action/replication_record"}},"created_at":"2026-05-18T02:53:41.797119+00:00","updated_at":"2026-05-18T02:53:41.797119+00:00"}