{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:VOXKVK6QKLQEFARTTWW7PRIQIZ","short_pith_number":"pith:VOXKVK6Q","schema_version":"1.0","canonical_sha256":"abaeaaabd052e04282339dadf7c510466bff3c2ad89f4b670a392750af126b6e","source":{"kind":"arxiv","id":"1404.4019","version":2},"attestation_state":"computed","paper":{"title":"Topological Bloch Bands in Graphene Superlattices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Justin C. W. Song, Leonid S. Levitov, Polnop Samutpraphoot","submitted_at":"2014-04-15T18:46:38Z","abstract_excerpt":"We outline an approach to endow a plain vanilla material with topological properties by creating topological bands in stacks of manifestly nontopological atomically thin materials. The approach is illustrated with a model system comprised of graphene stacked atop hexagonal-boron-nitride. In this case, the Berry curvature of the electron Bloch bands is highly sensitive to the stacking configuration. As a result, electron topology can be controlled by crystal axes alignment, granting a practical route to designer topological materials. Berry curvature manifests itself in transport via the valley"},"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":"1404.4019","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-04-15T18:46:38Z","cross_cats_sorted":[],"title_canon_sha256":"c0d209b1a6e9a9139d232af531c4d05dd66869f974cedf5c0359269417b32217","abstract_canon_sha256":"16abec737c01f260099bd817a2ff68c1adfabc0c194fd5a3ea525f812ba754e1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:41.927493Z","signature_b64":"MiEsYS4YCrRNrNoxghJqmVn2mygLdXK+UiynkHyr5jqj/MjYkyFGzqDn0r1w20L6t3COFGz15nj2YbT50TT1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"abaeaaabd052e04282339dadf7c510466bff3c2ad89f4b670a392750af126b6e","last_reissued_at":"2026-05-18T01:32:41.926870Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:41.926870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Topological Bloch Bands in Graphene Superlattices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Justin C. W. Song, Leonid S. Levitov, Polnop Samutpraphoot","submitted_at":"2014-04-15T18:46:38Z","abstract_excerpt":"We outline an approach to endow a plain vanilla material with topological properties by creating topological bands in stacks of manifestly nontopological atomically thin materials. The approach is illustrated with a model system comprised of graphene stacked atop hexagonal-boron-nitride. In this case, the Berry curvature of the electron Bloch bands is highly sensitive to the stacking configuration. As a result, electron topology can be controlled by crystal axes alignment, granting a practical route to designer topological materials. Berry curvature manifests itself in transport via the valley"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.4019","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":"1404.4019","created_at":"2026-05-18T01:32:41.926961+00:00"},{"alias_kind":"arxiv_version","alias_value":"1404.4019v2","created_at":"2026-05-18T01:32:41.926961+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.4019","created_at":"2026-05-18T01:32:41.926961+00:00"},{"alias_kind":"pith_short_12","alias_value":"VOXKVK6QKLQE","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_16","alias_value":"VOXKVK6QKLQEFART","created_at":"2026-05-18T12:28:54.890064+00:00"},{"alias_kind":"pith_short_8","alias_value":"VOXKVK6Q","created_at":"2026-05-18T12:28:54.890064+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/VOXKVK6QKLQEFARTTWW7PRIQIZ","json":"https://pith.science/pith/VOXKVK6QKLQEFARTTWW7PRIQIZ.json","graph_json":"https://pith.science/api/pith-number/VOXKVK6QKLQEFARTTWW7PRIQIZ/graph.json","events_json":"https://pith.science/api/pith-number/VOXKVK6QKLQEFARTTWW7PRIQIZ/events.json","paper":"https://pith.science/paper/VOXKVK6Q"},"agent_actions":{"view_html":"https://pith.science/pith/VOXKVK6QKLQEFARTTWW7PRIQIZ","download_json":"https://pith.science/pith/VOXKVK6QKLQEFARTTWW7PRIQIZ.json","view_paper":"https://pith.science/paper/VOXKVK6Q","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1404.4019&json=true","fetch_graph":"https://pith.science/api/pith-number/VOXKVK6QKLQEFARTTWW7PRIQIZ/graph.json","fetch_events":"https://pith.science/api/pith-number/VOXKVK6QKLQEFARTTWW7PRIQIZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VOXKVK6QKLQEFARTTWW7PRIQIZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VOXKVK6QKLQEFARTTWW7PRIQIZ/action/storage_attestation","attest_author":"https://pith.science/pith/VOXKVK6QKLQEFARTTWW7PRIQIZ/action/author_attestation","sign_citation":"https://pith.science/pith/VOXKVK6QKLQEFARTTWW7PRIQIZ/action/citation_signature","submit_replication":"https://pith.science/pith/VOXKVK6QKLQEFARTTWW7PRIQIZ/action/replication_record"}},"created_at":"2026-05-18T01:32:41.926961+00:00","updated_at":"2026-05-18T01:32:41.926961+00:00"}