{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2A5WVTUCSESN2SZBKSJDWE7B3X","short_pith_number":"pith:2A5WVTUC","canonical_record":{"source":{"id":"1907.00582","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-07-01T07:39:40Z","cross_cats_sorted":[],"title_canon_sha256":"a5cb17d1cb38a396c5ff7303ee2e5afa3313ef036825861b9f62c2a4a5fb5789","abstract_canon_sha256":"b759139427c668a0bc607ee7b9942a78cbc06d45b272951b2030109da4cff2df"},"schema_version":"1.0"},"canonical_sha256":"d03b6ace829124dd4b2154923b13e1ddfc9455dcc2b9c8a0ed0269fc1d729091","source":{"kind":"arxiv","id":"1907.00582","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.00582","created_at":"2026-07-05T02:18:03Z"},{"alias_kind":"arxiv_version","alias_value":"1907.00582v1","created_at":"2026-07-05T02:18:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.00582","created_at":"2026-07-05T02:18:03Z"},{"alias_kind":"pith_short_12","alias_value":"2A5WVTUCSESN","created_at":"2026-07-05T02:18:03Z"},{"alias_kind":"pith_short_16","alias_value":"2A5WVTUCSESN2SZB","created_at":"2026-07-05T02:18:03Z"},{"alias_kind":"pith_short_8","alias_value":"2A5WVTUC","created_at":"2026-07-05T02:18:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2A5WVTUCSESN2SZBKSJDWE7B3X","target":"record","payload":{"canonical_record":{"source":{"id":"1907.00582","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-07-01T07:39:40Z","cross_cats_sorted":[],"title_canon_sha256":"a5cb17d1cb38a396c5ff7303ee2e5afa3313ef036825861b9f62c2a4a5fb5789","abstract_canon_sha256":"b759139427c668a0bc607ee7b9942a78cbc06d45b272951b2030109da4cff2df"},"schema_version":"1.0"},"canonical_sha256":"d03b6ace829124dd4b2154923b13e1ddfc9455dcc2b9c8a0ed0269fc1d729091","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:18:03.406419Z","signature_b64":"wwKsAUuqguKRUrnXusKzuNazAd57/3SICNtfSin0KJpKGLNsczjJn4SRjtvXvBDxi/lN/nuhvuOpsbW0XEy8CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d03b6ace829124dd4b2154923b13e1ddfc9455dcc2b9c8a0ed0269fc1d729091","last_reissued_at":"2026-07-05T02:18:03.405901Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:18:03.405901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.00582","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:18:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GwafHKH7LJCWmO0LEei0Tb0J2384eFe+xUSCkvLIsvNI9YgZOhZWrAeYnXBZuNOy7iqGIAR1ZNpVoFqTG2qMAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T15:50:10.045865Z"},"content_sha256":"c0c02b1930684b65cc49204c5853ab7124b810c7cad069089f73c350220ebe6b","schema_version":"1.0","event_id":"sha256:c0c02b1930684b65cc49204c5853ab7124b810c7cad069089f73c350220ebe6b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2A5WVTUCSESN2SZBKSJDWE7B3X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Electronic Thickness of Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Annika Kurzmann, Hiske Overweg, Kenji Wantanabe, Klaus Ensslin, Klaus Richter, Marcin Kurpas, Marius Eich, Ming-Hao Liu, Peter Rickhaus, Riccardo Pisoni, Takashi Tamaguchi, Thomas Ihn, Yongjin Lee","submitted_at":"2019-07-01T07:39:40Z","abstract_excerpt":"The van-der-Waals stacking technique enables the fabrication of heterostructures, where two conducting layers are atomically close. In this case, the finite layer thickness matters for the interlayer electrostatic coupling. Here we investigate the electrostatic coupling of two graphene layers, twisted by 22 degrees such that the layers are decoupled by the huge momentum mismatch between the K and K' points of the two layers. We observe a splitting of the zero-density lines of the two layers with increasing interlayer energy difference. This splitting is given by the ratio of single-layer quant"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.00582","kind":"arxiv","version":1},"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/1907.00582/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":"2026-07-05T02:18:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j1N7Vc7rAHrO/tj+/fp86uzFsVTL9jv7zi1MnckuPDqIIwT/YTMsq9cFCi9H3SFraDxDbDpeapNpQTXhxiKVDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T15:50:10.046376Z"},"content_sha256":"a0f7fb1a8da67f8255156e874004a0b3350c69061db5e786d396a8ec7d462838","schema_version":"1.0","event_id":"sha256:a0f7fb1a8da67f8255156e874004a0b3350c69061db5e786d396a8ec7d462838"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2A5WVTUCSESN2SZBKSJDWE7B3X/bundle.json","state_url":"https://pith.science/pith/2A5WVTUCSESN2SZBKSJDWE7B3X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2A5WVTUCSESN2SZBKSJDWE7B3X/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":"2026-08-07T15:50:10Z","links":{"resolver":"https://pith.science/pith/2A5WVTUCSESN2SZBKSJDWE7B3X","bundle":"https://pith.science/pith/2A5WVTUCSESN2SZBKSJDWE7B3X/bundle.json","state":"https://pith.science/pith/2A5WVTUCSESN2SZBKSJDWE7B3X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2A5WVTUCSESN2SZBKSJDWE7B3X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2A5WVTUCSESN2SZBKSJDWE7B3X","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":"b759139427c668a0bc607ee7b9942a78cbc06d45b272951b2030109da4cff2df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-07-01T07:39:40Z","title_canon_sha256":"a5cb17d1cb38a396c5ff7303ee2e5afa3313ef036825861b9f62c2a4a5fb5789"},"schema_version":"1.0","source":{"id":"1907.00582","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.00582","created_at":"2026-07-05T02:18:03Z"},{"alias_kind":"arxiv_version","alias_value":"1907.00582v1","created_at":"2026-07-05T02:18:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.00582","created_at":"2026-07-05T02:18:03Z"},{"alias_kind":"pith_short_12","alias_value":"2A5WVTUCSESN","created_at":"2026-07-05T02:18:03Z"},{"alias_kind":"pith_short_16","alias_value":"2A5WVTUCSESN2SZB","created_at":"2026-07-05T02:18:03Z"},{"alias_kind":"pith_short_8","alias_value":"2A5WVTUC","created_at":"2026-07-05T02:18:03Z"}],"graph_snapshots":[{"event_id":"sha256:a0f7fb1a8da67f8255156e874004a0b3350c69061db5e786d396a8ec7d462838","target":"graph","created_at":"2026-07-05T02:18:03Z","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/1907.00582/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The van-der-Waals stacking technique enables the fabrication of heterostructures, where two conducting layers are atomically close. In this case, the finite layer thickness matters for the interlayer electrostatic coupling. Here we investigate the electrostatic coupling of two graphene layers, twisted by 22 degrees such that the layers are decoupled by the huge momentum mismatch between the K and K' points of the two layers. We observe a splitting of the zero-density lines of the two layers with increasing interlayer energy difference. This splitting is given by the ratio of single-layer quant","authors_text":"Annika Kurzmann, Hiske Overweg, Kenji Wantanabe, Klaus Ensslin, Klaus Richter, Marcin Kurpas, Marius Eich, Ming-Hao Liu, Peter Rickhaus, Riccardo Pisoni, Takashi Tamaguchi, Thomas Ihn, Yongjin Lee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-07-01T07:39:40Z","title":"The Electronic Thickness of Graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.00582","kind":"arxiv","version":1},"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:c0c02b1930684b65cc49204c5853ab7124b810c7cad069089f73c350220ebe6b","target":"record","created_at":"2026-07-05T02:18:03Z","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":"b759139427c668a0bc607ee7b9942a78cbc06d45b272951b2030109da4cff2df","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-07-01T07:39:40Z","title_canon_sha256":"a5cb17d1cb38a396c5ff7303ee2e5afa3313ef036825861b9f62c2a4a5fb5789"},"schema_version":"1.0","source":{"id":"1907.00582","kind":"arxiv","version":1}},"canonical_sha256":"d03b6ace829124dd4b2154923b13e1ddfc9455dcc2b9c8a0ed0269fc1d729091","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d03b6ace829124dd4b2154923b13e1ddfc9455dcc2b9c8a0ed0269fc1d729091","first_computed_at":"2026-07-05T02:18:03.405901Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:18:03.405901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wwKsAUuqguKRUrnXusKzuNazAd57/3SICNtfSin0KJpKGLNsczjJn4SRjtvXvBDxi/lN/nuhvuOpsbW0XEy8CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:18:03.406419Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.00582","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c0c02b1930684b65cc49204c5853ab7124b810c7cad069089f73c350220ebe6b","sha256:a0f7fb1a8da67f8255156e874004a0b3350c69061db5e786d396a8ec7d462838"],"state_sha256":"e9dd53732c86edd7d5ab2b119dcd6da7b8cf42ec95276da738fc86380fd7069c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MlZpG2p/y28wpIcspEpgFicvRZyr2n9qayKp9ZTscEFrCIF1Az/KzJpy61B7tLEIywVJEgL2msMBGRRIwLfZBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T15:50:10.064931Z","bundle_sha256":"4b997215f4aac5003ac821d1e2ef39c9139d39a2950c2c2101886dcd6d226fb1"}}