{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:DAKYPAP2OMJRC5HCL5FF5XV4KO","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"90f9089d08cfd53ffdcbd651b83a0e7152519f925a10f29ac54f0f8c4d27ebc6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-03-12T00:41:20Z","title_canon_sha256":"ecd1f2dc52a6efe4b1595bb0cb4fdfdbba524cb57043743aabde569408b4c2fa"},"schema_version":"1.0","source":{"id":"2203.06295","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.06295","created_at":"2026-07-05T04:27:54Z"},{"alias_kind":"arxiv_version","alias_value":"2203.06295v2","created_at":"2026-07-05T04:27:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.06295","created_at":"2026-07-05T04:27:54Z"},{"alias_kind":"pith_short_12","alias_value":"DAKYPAP2OMJR","created_at":"2026-07-05T04:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"DAKYPAP2OMJRC5HC","created_at":"2026-07-05T04:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"DAKYPAP2","created_at":"2026-07-05T04:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:f5fa55309634b6d0d0bb663237d8c2fe47d8c6f4b719408c080bb27e8d83d250","target":"graph","created_at":"2026-07-05T04:27:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2203.06295/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We demonstrate ultra-sharp (${\\lesssim}\\,10\\text{ nm}$) lateral $p\\text{-}n$ junctions in graphene using electronic transport, scanning tunneling microscopy, and first principles calculations. The $p\\text{-}n$ junction lies at the boundary between differentially-doped regions of a graphene sheet, where one side is intrinsic and the other is charge-doped by proximity to a flake of $\\alpha$-RuCl$_3$ across a thin insulating barrier. We extract the $p\\text{-}n$ junction contribution to the device resistance to place bounds on the junction width. We achieve an ultra-sharp junction when the boundar","authors_text":"David G. Mandrus, Erik A. Henriksen, Jackson Butler, Jairo Velasco Jr., Jesse Balgley, Kenji Watanabe, Matthew Cothrine, Roser Valent\\'i, Samuel Lagasse, Sananda Biswas, Takashi Taniguchi, Zhehao Ge","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-03-12T00:41:20Z","title":"Ultra-sharp lateral $p\\text{-}n$ junctions in modulation-doped graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.06295","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:a7f8404961d9e8c8ee3de8b79ca02b2013af85c3859d01ae2f72ae5a1921e975","target":"record","created_at":"2026-07-05T04:27:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"90f9089d08cfd53ffdcbd651b83a0e7152519f925a10f29ac54f0f8c4d27ebc6","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-03-12T00:41:20Z","title_canon_sha256":"ecd1f2dc52a6efe4b1595bb0cb4fdfdbba524cb57043743aabde569408b4c2fa"},"schema_version":"1.0","source":{"id":"2203.06295","kind":"arxiv","version":2}},"canonical_sha256":"18158781fa73131174e25f4a5edebc538313a4353681f42a67a605eb28020fa4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"18158781fa73131174e25f4a5edebc538313a4353681f42a67a605eb28020fa4","first_computed_at":"2026-07-05T04:27:54.506825Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:27:54.506825Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wuuWKUtwWaH7sX3e4nTxGO4SV6cxCZfejOMO7SRSx3x+T127azIRwMUY8EqrQxGkyXE/KPL+jz/gq6wQdv0fAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:27:54.507172Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.06295","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a7f8404961d9e8c8ee3de8b79ca02b2013af85c3859d01ae2f72ae5a1921e975","sha256:f5fa55309634b6d0d0bb663237d8c2fe47d8c6f4b719408c080bb27e8d83d250"],"state_sha256":"94fa9edb7c20ba507c27b2211c7b8c16daa107ba2e1eca3870768ce8928f29ec"}