{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:22WLKSEVEMGHLF4YX7TC3RY4X5","short_pith_number":"pith:22WLKSEV","schema_version":"1.0","canonical_sha256":"d6acb54895230c759798bfe62dc71cbf67ad0e8ec878d44131d4e99c8a74d8e1","source":{"kind":"arxiv","id":"1403.2652","version":2},"attestation_state":"computed","paper":{"title":"Photovoltaic effect in an electrically tunable van der Waals heterojunction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Andreas Pospischil, Florian Libisch, Joachim Burgd\\\"orfer, Marco M. Furchi, Thomas Mueller","submitted_at":"2014-03-11T17:07:09Z","abstract_excerpt":"Semiconductor heterostructures form the cornerstone of many electronic and optoelectronic devices and are traditionally fabricated using epitaxial growth techniques. More recently, heterostructures have also been obtained by vertical stacking of two-dimensional crystals, such as graphene and related two- dimensional materials. These layered designer materials are held together by van der Waals forces and contain atomically sharp interfaces. Here, we report on a type- II van der Waals heterojunction made of molybdenum disulfide and tungsten diselenide monolayers. The junction is electrically tu"},"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":"1403.2652","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-03-11T17:07:09Z","cross_cats_sorted":[],"title_canon_sha256":"8e3a991e4408e20466af8c3827e8807c5bcce395905c31c892e2e55c93b263da","abstract_canon_sha256":"2b9a27a5ed60360bbfba5f1d9afe868de059c9ba85e43dd62454ca1692d4878e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:46:30.814665Z","signature_b64":"QpjklaKDpEEbYzcOz1dN7OQKUmK8jWWujoKjkev5Hi5lbnROA70+ADd0jZKfUwUwS2mL6FUBkXkovgKKrULuCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6acb54895230c759798bfe62dc71cbf67ad0e8ec878d44131d4e99c8a74d8e1","last_reissued_at":"2026-05-18T02:46:30.814212Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:46:30.814212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Photovoltaic effect in an electrically tunable van der Waals heterojunction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Andreas Pospischil, Florian Libisch, Joachim Burgd\\\"orfer, Marco M. Furchi, Thomas Mueller","submitted_at":"2014-03-11T17:07:09Z","abstract_excerpt":"Semiconductor heterostructures form the cornerstone of many electronic and optoelectronic devices and are traditionally fabricated using epitaxial growth techniques. More recently, heterostructures have also been obtained by vertical stacking of two-dimensional crystals, such as graphene and related two- dimensional materials. These layered designer materials are held together by van der Waals forces and contain atomically sharp interfaces. Here, we report on a type- II van der Waals heterojunction made of molybdenum disulfide and tungsten diselenide monolayers. The junction is electrically tu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.2652","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":"1403.2652","created_at":"2026-05-18T02:46:30.814279+00:00"},{"alias_kind":"arxiv_version","alias_value":"1403.2652v2","created_at":"2026-05-18T02:46:30.814279+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.2652","created_at":"2026-05-18T02:46:30.814279+00:00"},{"alias_kind":"pith_short_12","alias_value":"22WLKSEVEMGH","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_16","alias_value":"22WLKSEVEMGHLF4Y","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_8","alias_value":"22WLKSEV","created_at":"2026-05-18T12:28:09.283467+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/22WLKSEVEMGHLF4YX7TC3RY4X5","json":"https://pith.science/pith/22WLKSEVEMGHLF4YX7TC3RY4X5.json","graph_json":"https://pith.science/api/pith-number/22WLKSEVEMGHLF4YX7TC3RY4X5/graph.json","events_json":"https://pith.science/api/pith-number/22WLKSEVEMGHLF4YX7TC3RY4X5/events.json","paper":"https://pith.science/paper/22WLKSEV"},"agent_actions":{"view_html":"https://pith.science/pith/22WLKSEVEMGHLF4YX7TC3RY4X5","download_json":"https://pith.science/pith/22WLKSEVEMGHLF4YX7TC3RY4X5.json","view_paper":"https://pith.science/paper/22WLKSEV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1403.2652&json=true","fetch_graph":"https://pith.science/api/pith-number/22WLKSEVEMGHLF4YX7TC3RY4X5/graph.json","fetch_events":"https://pith.science/api/pith-number/22WLKSEVEMGHLF4YX7TC3RY4X5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/22WLKSEVEMGHLF4YX7TC3RY4X5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/22WLKSEVEMGHLF4YX7TC3RY4X5/action/storage_attestation","attest_author":"https://pith.science/pith/22WLKSEVEMGHLF4YX7TC3RY4X5/action/author_attestation","sign_citation":"https://pith.science/pith/22WLKSEVEMGHLF4YX7TC3RY4X5/action/citation_signature","submit_replication":"https://pith.science/pith/22WLKSEVEMGHLF4YX7TC3RY4X5/action/replication_record"}},"created_at":"2026-05-18T02:46:30.814279+00:00","updated_at":"2026-05-18T02:46:30.814279+00:00"}