{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:TAHQYXOFOCJDD6EX2HANF2TZZI","short_pith_number":"pith:TAHQYXOF","canonical_record":{"source":{"id":"1412.0717","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-01T22:53:18Z","cross_cats_sorted":[],"title_canon_sha256":"e09af8caf6db7ff0661e924675ec1fab3305a35b50f7015b07fdb1af66057175","abstract_canon_sha256":"8db96e9bf8d4fac0e71668c2d6837d779412341997f15a231ba622e7872eeccd"},"schema_version":"1.0"},"canonical_sha256":"980f0c5dc5709231f897d1c0d2ea79ca139296de62a487c4e63d28a392a94ec0","source":{"kind":"arxiv","id":"1412.0717","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.0717","created_at":"2026-05-18T02:30:46Z"},{"alias_kind":"arxiv_version","alias_value":"1412.0717v2","created_at":"2026-05-18T02:30:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.0717","created_at":"2026-05-18T02:30:46Z"},{"alias_kind":"pith_short_12","alias_value":"TAHQYXOFOCJD","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TAHQYXOFOCJDD6EX","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TAHQYXOF","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:TAHQYXOFOCJDD6EX2HANF2TZZI","target":"record","payload":{"canonical_record":{"source":{"id":"1412.0717","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-01T22:53:18Z","cross_cats_sorted":[],"title_canon_sha256":"e09af8caf6db7ff0661e924675ec1fab3305a35b50f7015b07fdb1af66057175","abstract_canon_sha256":"8db96e9bf8d4fac0e71668c2d6837d779412341997f15a231ba622e7872eeccd"},"schema_version":"1.0"},"canonical_sha256":"980f0c5dc5709231f897d1c0d2ea79ca139296de62a487c4e63d28a392a94ec0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:46.773342Z","signature_b64":"gg9CxRxMq4pl+roRoMENXO58GZxLmChlSF0SxTfWoUp/OJUTR7U7HJKgI1HClpkXBaHYqGSvVnqClRIGdLXjDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"980f0c5dc5709231f897d1c0d2ea79ca139296de62a487c4e63d28a392a94ec0","last_reissued_at":"2026-05-18T02:30:46.772917Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:46.772917Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.0717","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:30:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G3Hn7FKLv/TP8lCFTpuyKyWbQsLExVHj+APlhtLmbMhRnNWyZFRaEcNWesvNE9l0Vc00fU0MLRtgnCAENQmTDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:26:16.489328Z"},"content_sha256":"1cd746030a4dfb26ff80b13e5609ac75353a55681245e842384d2816fccb2af6","schema_version":"1.0","event_id":"sha256:1cd746030a4dfb26ff80b13e5609ac75353a55681245e842384d2816fccb2af6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:TAHQYXOFOCJDD6EX2HANF2TZZI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gate Tunable Quantum Oscillations in Air-Stable and High Mobility Few-Layer Phosphorene Heterostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Chun Ning Lau, Darshana Wickramaratne, Jiang Wei, Jiawei Yang, Jin Hu, Kenji Watanabe, Marc Bockrath, Nathaniel Gillgren, Roger K. Lake, Takashi Taniguchi, Tim Espiritu, Xue Liu, Yafis Barlas, Yanmeng Shi, Zhiqiang Mao","submitted_at":"2014-12-01T22:53:18Z","abstract_excerpt":"As the only non-carbon elemental layered allotrope, few-layer black phosphorus or phosphorene has emerged as a novel two-dimensional (2D) semiconductor with both high bulk mobility and a band gap. Here we report fabrication and transport measurements of phosphorene-hexagonal BN (hBN) heterostructures with one-dimensional (1D) edge contacts. These transistors are stable in ambient conditions for >300 hours, and display ambipolar behavior, a gate-dependent metal-insulator transition, and mobility up to 4000 $cm^2$/Vs. At low temperatures, we observe gate-tunable Shubnikov de Haas (SdH) magneto-o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.0717","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:30:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e61Qiphbm5l9YCIGjLULj8lT+X43nAExGANMYNkFv2QV92CsDttXgHbKTdjgL+0f7NNfcJXQcrl/wvxAbsZkBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T13:26:16.489698Z"},"content_sha256":"466fac063dfea6fd02f6ddce06ffbcfee773f24457925e65331452785b1ae97b","schema_version":"1.0","event_id":"sha256:466fac063dfea6fd02f6ddce06ffbcfee773f24457925e65331452785b1ae97b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TAHQYXOFOCJDD6EX2HANF2TZZI/bundle.json","state_url":"https://pith.science/pith/TAHQYXOFOCJDD6EX2HANF2TZZI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TAHQYXOFOCJDD6EX2HANF2TZZI/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-30T13:26:16Z","links":{"resolver":"https://pith.science/pith/TAHQYXOFOCJDD6EX2HANF2TZZI","bundle":"https://pith.science/pith/TAHQYXOFOCJDD6EX2HANF2TZZI/bundle.json","state":"https://pith.science/pith/TAHQYXOFOCJDD6EX2HANF2TZZI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TAHQYXOFOCJDD6EX2HANF2TZZI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:TAHQYXOFOCJDD6EX2HANF2TZZI","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":"8db96e9bf8d4fac0e71668c2d6837d779412341997f15a231ba622e7872eeccd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-01T22:53:18Z","title_canon_sha256":"e09af8caf6db7ff0661e924675ec1fab3305a35b50f7015b07fdb1af66057175"},"schema_version":"1.0","source":{"id":"1412.0717","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.0717","created_at":"2026-05-18T02:30:46Z"},{"alias_kind":"arxiv_version","alias_value":"1412.0717v2","created_at":"2026-05-18T02:30:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.0717","created_at":"2026-05-18T02:30:46Z"},{"alias_kind":"pith_short_12","alias_value":"TAHQYXOFOCJD","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TAHQYXOFOCJDD6EX","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TAHQYXOF","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:466fac063dfea6fd02f6ddce06ffbcfee773f24457925e65331452785b1ae97b","target":"graph","created_at":"2026-05-18T02:30:46Z","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"},"paper":{"abstract_excerpt":"As the only non-carbon elemental layered allotrope, few-layer black phosphorus or phosphorene has emerged as a novel two-dimensional (2D) semiconductor with both high bulk mobility and a band gap. Here we report fabrication and transport measurements of phosphorene-hexagonal BN (hBN) heterostructures with one-dimensional (1D) edge contacts. These transistors are stable in ambient conditions for >300 hours, and display ambipolar behavior, a gate-dependent metal-insulator transition, and mobility up to 4000 $cm^2$/Vs. At low temperatures, we observe gate-tunable Shubnikov de Haas (SdH) magneto-o","authors_text":"Chun Ning Lau, Darshana Wickramaratne, Jiang Wei, Jiawei Yang, Jin Hu, Kenji Watanabe, Marc Bockrath, Nathaniel Gillgren, Roger K. Lake, Takashi Taniguchi, Tim Espiritu, Xue Liu, Yafis Barlas, Yanmeng Shi, Zhiqiang Mao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-01T22:53:18Z","title":"Gate Tunable Quantum Oscillations in Air-Stable and High Mobility Few-Layer Phosphorene Heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.0717","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":"sha256:1cd746030a4dfb26ff80b13e5609ac75353a55681245e842384d2816fccb2af6","target":"record","created_at":"2026-05-18T02:30:46Z","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":"8db96e9bf8d4fac0e71668c2d6837d779412341997f15a231ba622e7872eeccd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-12-01T22:53:18Z","title_canon_sha256":"e09af8caf6db7ff0661e924675ec1fab3305a35b50f7015b07fdb1af66057175"},"schema_version":"1.0","source":{"id":"1412.0717","kind":"arxiv","version":2}},"canonical_sha256":"980f0c5dc5709231f897d1c0d2ea79ca139296de62a487c4e63d28a392a94ec0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"980f0c5dc5709231f897d1c0d2ea79ca139296de62a487c4e63d28a392a94ec0","first_computed_at":"2026-05-18T02:30:46.772917Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:46.772917Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gg9CxRxMq4pl+roRoMENXO58GZxLmChlSF0SxTfWoUp/OJUTR7U7HJKgI1HClpkXBaHYqGSvVnqClRIGdLXjDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:46.773342Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.0717","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1cd746030a4dfb26ff80b13e5609ac75353a55681245e842384d2816fccb2af6","sha256:466fac063dfea6fd02f6ddce06ffbcfee773f24457925e65331452785b1ae97b"],"state_sha256":"69c5802e8e922a8bfc05305b19591ef52f0b1c7e2bc56451f86238d821607b0f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VpFHCzQaAMWzub7zYSnzLM9FKmEOTRck6pwCmkqjiE0+hYNlrZYnYc30Fa4/n5FEri90WNAoel49ayaTqBCiCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T13:26:16.491702Z","bundle_sha256":"db00b62b59a01cbca63d3e1a8850e5bbae0f1a012104d1d93c7d44dea4f1152f"}}