{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:FFJIRB7S6DNBAFGEAISJEWBARN","short_pith_number":"pith:FFJIRB7S","schema_version":"1.0","canonical_sha256":"29528887f2f0da1014c402249258208b7ce4a496b51a74ae6605200d7ea5e8bd","source":{"kind":"arxiv","id":"1809.05209","version":1},"attestation_state":"computed","paper":{"title":"Visualization and Control of Single Electron Charging in Bilayer Graphene Quantum Dots","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Alex Zettl, Dillon Wong, Feng Wang, Hsin-Zon Tsai, Jairo Velasco Jr., Joseph Costello, Juwon Lee, Kenji Watanabe, Michael F. Crommie, Salman Kahn, Takashi Taniguchi, Torben Umeda","submitted_at":"2018-09-13T23:51:38Z","abstract_excerpt":"Graphene p-n junctions provide an ideal platform for investigating novel behavior at the boundary between electronics and optics that arise from massless Dirac fermions, such as whispering gallery modes and Veselago lensing. Bilayer graphene also hosts Dirac fermions, but they differ from single-layer graphene charge carriers because they are massive, can be gapped by an applied perpendicular electric field, and have very different pseudospin selection rules across a p-n junction. Novel phenomena predicted for these massive Dirac fermions at p-n junctions include anti-Klein tunneling, oscillat"},"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":"1809.05209","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-09-13T23:51:38Z","cross_cats_sorted":[],"title_canon_sha256":"41ac4551edc39893defa7ecc386b3b1cc853ac0697363174703ffe7da2c43a7e","abstract_canon_sha256":"d217f0c521269cdcc13b963c85e40330ee1dca4daa3246b10954beb07d2e579d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:44.425902Z","signature_b64":"YCoDW8TGYnWjXwXxXEdNup6Mmr7R2SCMtoaN163v6YT9mpCtLcDsl128sV345vhBsPqJ+kPEzLo6jOn+Ze7gAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29528887f2f0da1014c402249258208b7ce4a496b51a74ae6605200d7ea5e8bd","last_reissued_at":"2026-05-18T00:05:44.425271Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:44.425271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Visualization and Control of Single Electron Charging in Bilayer Graphene Quantum Dots","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Alex Zettl, Dillon Wong, Feng Wang, Hsin-Zon Tsai, Jairo Velasco Jr., Joseph Costello, Juwon Lee, Kenji Watanabe, Michael F. Crommie, Salman Kahn, Takashi Taniguchi, Torben Umeda","submitted_at":"2018-09-13T23:51:38Z","abstract_excerpt":"Graphene p-n junctions provide an ideal platform for investigating novel behavior at the boundary between electronics and optics that arise from massless Dirac fermions, such as whispering gallery modes and Veselago lensing. Bilayer graphene also hosts Dirac fermions, but they differ from single-layer graphene charge carriers because they are massive, can be gapped by an applied perpendicular electric field, and have very different pseudospin selection rules across a p-n junction. Novel phenomena predicted for these massive Dirac fermions at p-n junctions include anti-Klein tunneling, oscillat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.05209","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":"1809.05209","created_at":"2026-05-18T00:05:44.425387+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.05209v1","created_at":"2026-05-18T00:05:44.425387+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.05209","created_at":"2026-05-18T00:05:44.425387+00:00"},{"alias_kind":"pith_short_12","alias_value":"FFJIRB7S6DNB","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_16","alias_value":"FFJIRB7S6DNBAFGE","created_at":"2026-05-18T12:32:22.470017+00:00"},{"alias_kind":"pith_short_8","alias_value":"FFJIRB7S","created_at":"2026-05-18T12:32:22.470017+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/FFJIRB7S6DNBAFGEAISJEWBARN","json":"https://pith.science/pith/FFJIRB7S6DNBAFGEAISJEWBARN.json","graph_json":"https://pith.science/api/pith-number/FFJIRB7S6DNBAFGEAISJEWBARN/graph.json","events_json":"https://pith.science/api/pith-number/FFJIRB7S6DNBAFGEAISJEWBARN/events.json","paper":"https://pith.science/paper/FFJIRB7S"},"agent_actions":{"view_html":"https://pith.science/pith/FFJIRB7S6DNBAFGEAISJEWBARN","download_json":"https://pith.science/pith/FFJIRB7S6DNBAFGEAISJEWBARN.json","view_paper":"https://pith.science/paper/FFJIRB7S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.05209&json=true","fetch_graph":"https://pith.science/api/pith-number/FFJIRB7S6DNBAFGEAISJEWBARN/graph.json","fetch_events":"https://pith.science/api/pith-number/FFJIRB7S6DNBAFGEAISJEWBARN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FFJIRB7S6DNBAFGEAISJEWBARN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FFJIRB7S6DNBAFGEAISJEWBARN/action/storage_attestation","attest_author":"https://pith.science/pith/FFJIRB7S6DNBAFGEAISJEWBARN/action/author_attestation","sign_citation":"https://pith.science/pith/FFJIRB7S6DNBAFGEAISJEWBARN/action/citation_signature","submit_replication":"https://pith.science/pith/FFJIRB7S6DNBAFGEAISJEWBARN/action/replication_record"}},"created_at":"2026-05-18T00:05:44.425387+00:00","updated_at":"2026-05-18T00:05:44.425387+00:00"}