{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:XRWAMTQBJ2M7V5ICE6ZT4NBYVM","short_pith_number":"pith:XRWAMTQB","canonical_record":{"source":{"id":"2105.14469","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-05-30T08:59:49Z","cross_cats_sorted":[],"title_canon_sha256":"662caba2ea488664b22320f4d085b57552138f123ddcf7ce9d29cee878ae05ef","abstract_canon_sha256":"b2f012dd4e2d613d774d7fd9f816788298e7dc08572efcbdbb75019216cea3d8"},"schema_version":"1.0"},"canonical_sha256":"bc6c064e014e99faf50227b33e3438ab1204db93fa087bb321a466868068e157","source":{"kind":"arxiv","id":"2105.14469","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.14469","created_at":"2026-07-05T03:10:54Z"},{"alias_kind":"arxiv_version","alias_value":"2105.14469v2","created_at":"2026-07-05T03:10:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.14469","created_at":"2026-07-05T03:10:54Z"},{"alias_kind":"pith_short_12","alias_value":"XRWAMTQBJ2M7","created_at":"2026-07-05T03:10:54Z"},{"alias_kind":"pith_short_16","alias_value":"XRWAMTQBJ2M7V5IC","created_at":"2026-07-05T03:10:54Z"},{"alias_kind":"pith_short_8","alias_value":"XRWAMTQB","created_at":"2026-07-05T03:10:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:XRWAMTQBJ2M7V5ICE6ZT4NBYVM","target":"record","payload":{"canonical_record":{"source":{"id":"2105.14469","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-05-30T08:59:49Z","cross_cats_sorted":[],"title_canon_sha256":"662caba2ea488664b22320f4d085b57552138f123ddcf7ce9d29cee878ae05ef","abstract_canon_sha256":"b2f012dd4e2d613d774d7fd9f816788298e7dc08572efcbdbb75019216cea3d8"},"schema_version":"1.0"},"canonical_sha256":"bc6c064e014e99faf50227b33e3438ab1204db93fa087bb321a466868068e157","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:10:54.096537Z","signature_b64":"r+ZY8XvgbOW+qCKqR1Vy2mOT4+ditNR6vqiE/9rM4cAnmE217FTEMjtnCWUqqP9lGfzDPlrpqFYCvLPRkJZZCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bc6c064e014e99faf50227b33e3438ab1204db93fa087bb321a466868068e157","last_reissued_at":"2026-07-05T03:10:54.096090Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:10:54.096090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.14469","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":"2026-07-05T03:10:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C/ksij5Jvmi5sWZMH4FNihNjHjJyjXWdSJgUcC8X3Pv5RleA5oVp9Z8LMaQRcU2pKJhUmjFdf3eAxQgq0t6CAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:16:24.666870Z"},"content_sha256":"7ab20905a2c5532223d13936be40a161cdd8d3da9f441de4036d66912945bef9","schema_version":"1.0","event_id":"sha256:7ab20905a2c5532223d13936be40a161cdd8d3da9f441de4036d66912945bef9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:XRWAMTQBJ2M7V5ICE6ZT4NBYVM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Signature of spin-resolved quantum point contact in p-type trilayer WSe$_{2}$ van der Waals heterostructure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"D. K. Ferry, G-H. Kim, J. P. Bird, K. Sakanashi, K. Watanabe, N. Aoki, P. Kr\\\"uger, T. Taniguchi","submitted_at":"2021-05-30T08:59:49Z","abstract_excerpt":"In this study, the electrostatically induced quantum confinement structure, quantum point contact, has been realized in p-type trilayer tungsten diselenide-based van der Waals heterostructure with modified van der Waals contact method with degenerately doped transition metal dichalcogenide crystals. Clear quantized conductance and pinch-off state through the one-dimensional confinement were observed by dual-gating of split gate electrodes and top gate. Conductance plateaus were observed at step of 0.5 $\\times$ 2e$^{2}$/h at zero and high magnetic field in addition to quarter plateaus at a fini"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.14469","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2105.14469/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T03:10:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6YZvMFECfXso8451GTJCw70+EVM3szWY9RCFc7cQx7cDEbbRqsjrG2kNi+ynKnZD+yWkvoL8MXok+X2HxNLTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T06:16:24.667267Z"},"content_sha256":"d4d20f2d951579732fab8739c184b6d692350b7d4f11ac013cc4bc946294779e","schema_version":"1.0","event_id":"sha256:d4d20f2d951579732fab8739c184b6d692350b7d4f11ac013cc4bc946294779e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XRWAMTQBJ2M7V5ICE6ZT4NBYVM/bundle.json","state_url":"https://pith.science/pith/XRWAMTQBJ2M7V5ICE6ZT4NBYVM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XRWAMTQBJ2M7V5ICE6ZT4NBYVM/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":"2026-07-07T06:16:24Z","links":{"resolver":"https://pith.science/pith/XRWAMTQBJ2M7V5ICE6ZT4NBYVM","bundle":"https://pith.science/pith/XRWAMTQBJ2M7V5ICE6ZT4NBYVM/bundle.json","state":"https://pith.science/pith/XRWAMTQBJ2M7V5ICE6ZT4NBYVM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XRWAMTQBJ2M7V5ICE6ZT4NBYVM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:XRWAMTQBJ2M7V5ICE6ZT4NBYVM","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":"b2f012dd4e2d613d774d7fd9f816788298e7dc08572efcbdbb75019216cea3d8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-05-30T08:59:49Z","title_canon_sha256":"662caba2ea488664b22320f4d085b57552138f123ddcf7ce9d29cee878ae05ef"},"schema_version":"1.0","source":{"id":"2105.14469","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.14469","created_at":"2026-07-05T03:10:54Z"},{"alias_kind":"arxiv_version","alias_value":"2105.14469v2","created_at":"2026-07-05T03:10:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.14469","created_at":"2026-07-05T03:10:54Z"},{"alias_kind":"pith_short_12","alias_value":"XRWAMTQBJ2M7","created_at":"2026-07-05T03:10:54Z"},{"alias_kind":"pith_short_16","alias_value":"XRWAMTQBJ2M7V5IC","created_at":"2026-07-05T03:10:54Z"},{"alias_kind":"pith_short_8","alias_value":"XRWAMTQB","created_at":"2026-07-05T03:10:54Z"}],"graph_snapshots":[{"event_id":"sha256:d4d20f2d951579732fab8739c184b6d692350b7d4f11ac013cc4bc946294779e","target":"graph","created_at":"2026-07-05T03:10:54Z","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/2105.14469/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this study, the electrostatically induced quantum confinement structure, quantum point contact, has been realized in p-type trilayer tungsten diselenide-based van der Waals heterostructure with modified van der Waals contact method with degenerately doped transition metal dichalcogenide crystals. Clear quantized conductance and pinch-off state through the one-dimensional confinement were observed by dual-gating of split gate electrodes and top gate. Conductance plateaus were observed at step of 0.5 $\\times$ 2e$^{2}$/h at zero and high magnetic field in addition to quarter plateaus at a fini","authors_text":"D. K. Ferry, G-H. Kim, J. P. Bird, K. Sakanashi, K. Watanabe, N. Aoki, P. Kr\\\"uger, T. Taniguchi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-05-30T08:59:49Z","title":"Signature of spin-resolved quantum point contact in p-type trilayer WSe$_{2}$ van der Waals heterostructure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.14469","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":"sha256:7ab20905a2c5532223d13936be40a161cdd8d3da9f441de4036d66912945bef9","target":"record","created_at":"2026-07-05T03:10:54Z","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":"b2f012dd4e2d613d774d7fd9f816788298e7dc08572efcbdbb75019216cea3d8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-05-30T08:59:49Z","title_canon_sha256":"662caba2ea488664b22320f4d085b57552138f123ddcf7ce9d29cee878ae05ef"},"schema_version":"1.0","source":{"id":"2105.14469","kind":"arxiv","version":2}},"canonical_sha256":"bc6c064e014e99faf50227b33e3438ab1204db93fa087bb321a466868068e157","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bc6c064e014e99faf50227b33e3438ab1204db93fa087bb321a466868068e157","first_computed_at":"2026-07-05T03:10:54.096090Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:10:54.096090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"r+ZY8XvgbOW+qCKqR1Vy2mOT4+ditNR6vqiE/9rM4cAnmE217FTEMjtnCWUqqP9lGfzDPlrpqFYCvLPRkJZZCw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:10:54.096537Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.14469","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ab20905a2c5532223d13936be40a161cdd8d3da9f441de4036d66912945bef9","sha256:d4d20f2d951579732fab8739c184b6d692350b7d4f11ac013cc4bc946294779e"],"state_sha256":"3cd24fcc07b36aac8f683afe6ed6037101595ef9fb380d71ffed88fcc8713d4d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bJvRMURurWFEMSK5P29GlZFnNcI6UotWJPnqutI31CwcsfFCUmUDJb3H0tY2ZjD7rS0BlS6DJxrGCAH06/z+Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T06:16:24.669454Z","bundle_sha256":"cdd5b0fa3496213f61864c741b1666047437688ab1f8e08b6e83483aa25de8f7"}}