{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:KHTGLUKNIEHV7YBVKE6JR532FE","short_pith_number":"pith:KHTGLUKN","canonical_record":{"source":{"id":"1903.10419","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-03-25T16:02:57Z","cross_cats_sorted":[],"title_canon_sha256":"5bd9747f7d5062a61721f9e65df5dcf6c845f475716e29bb6ed9b1adfd54c031","abstract_canon_sha256":"7c74d61e589c836c30ff1ecc163c84b0a287a4adf1a7d4d9f90f5da3ff2b9745"},"schema_version":"1.0"},"canonical_sha256":"51e665d14d410f5fe035513c98f77a29360534460dae77aa287623589989342b","source":{"kind":"arxiv","id":"1903.10419","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.10419","created_at":"2026-07-04T23:55:38Z"},{"alias_kind":"arxiv_version","alias_value":"1903.10419v2","created_at":"2026-07-04T23:55:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.10419","created_at":"2026-07-04T23:55:38Z"},{"alias_kind":"pith_short_12","alias_value":"KHTGLUKNIEHV","created_at":"2026-07-04T23:55:38Z"},{"alias_kind":"pith_short_16","alias_value":"KHTGLUKNIEHV7YBV","created_at":"2026-07-04T23:55:38Z"},{"alias_kind":"pith_short_8","alias_value":"KHTGLUKN","created_at":"2026-07-04T23:55:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:KHTGLUKNIEHV7YBVKE6JR532FE","target":"record","payload":{"canonical_record":{"source":{"id":"1903.10419","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-03-25T16:02:57Z","cross_cats_sorted":[],"title_canon_sha256":"5bd9747f7d5062a61721f9e65df5dcf6c845f475716e29bb6ed9b1adfd54c031","abstract_canon_sha256":"7c74d61e589c836c30ff1ecc163c84b0a287a4adf1a7d4d9f90f5da3ff2b9745"},"schema_version":"1.0"},"canonical_sha256":"51e665d14d410f5fe035513c98f77a29360534460dae77aa287623589989342b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:55:38.794201Z","signature_b64":"iAPw1hJpWNP2b/Uy+tm/Efy9ZQQ7BNpRbWeKnZwHDtmF/TnN10SXlNLAp39ihzr5X8+l0VVemTRUcKj06ca8Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"51e665d14d410f5fe035513c98f77a29360534460dae77aa287623589989342b","last_reissued_at":"2026-07-04T23:55:38.793729Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:55:38.793729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.10419","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":"2026-07-04T23:55:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uKOQn2CXPu9k524za1vLMpKY+oqpZftuW1TRxx2IHvj60YO8H+JIO7fop+nll430sxb7T0JoQFSlg5Exzz0PDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:20:53.319927Z"},"content_sha256":"c9e3738befcafa55425ce22ff9f344bf44b26ab82f871ebc4ca34f3c847ea93b","schema_version":"1.0","event_id":"sha256:c9e3738befcafa55425ce22ff9f344bf44b26ab82f871ebc4ca34f3c847ea93b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:KHTGLUKNIEHV7YBVKE6JR532FE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum valley Hall effect, orbital magnetism, and anomalous Hall effect in twisted multilayer graphene systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Jianpeng Liu, Jinhua Gao, Xi Dai, Zhen Ma","submitted_at":"2019-03-25T16:02:57Z","abstract_excerpt":"We study the electronic structures and topological properties of $(M+N)$-layer twisted graphene systems. We consider the generic situation that $N$-layer graphene is placed on top of the other $M$-layer graphene, and is twisted with respect to each other by an angle $\\theta$. In such twisted multilayer graphene (TMG) systems, we find that there exists two low-energy flat bands for each valley emerging from the interface between the $M$ layers and the $N$ layers. These two low-energy bands in the TMG system possess valley Chern numbers that are dependent on both the number of layers and the sta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.10419","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/1903.10419/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":"2026-07-04T23:55:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y3vZ6Bm60hdW3T6ZwCc/PU2qqSTF6+TDANIWCIlyqC7+Iv3iqex1TgoR+ZiBzOeDv27uFR1vvSkWi3RrstaFCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T09:20:53.320295Z"},"content_sha256":"bca1d50f00f9218e530c3065bfac122e8b3cf20260c86ea499e4f77a1c65a7b8","schema_version":"1.0","event_id":"sha256:bca1d50f00f9218e530c3065bfac122e8b3cf20260c86ea499e4f77a1c65a7b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KHTGLUKNIEHV7YBVKE6JR532FE/bundle.json","state_url":"https://pith.science/pith/KHTGLUKNIEHV7YBVKE6JR532FE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KHTGLUKNIEHV7YBVKE6JR532FE/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":"2026-07-05T09:20:53Z","links":{"resolver":"https://pith.science/pith/KHTGLUKNIEHV7YBVKE6JR532FE","bundle":"https://pith.science/pith/KHTGLUKNIEHV7YBVKE6JR532FE/bundle.json","state":"https://pith.science/pith/KHTGLUKNIEHV7YBVKE6JR532FE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KHTGLUKNIEHV7YBVKE6JR532FE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:KHTGLUKNIEHV7YBVKE6JR532FE","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":"7c74d61e589c836c30ff1ecc163c84b0a287a4adf1a7d4d9f90f5da3ff2b9745","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-03-25T16:02:57Z","title_canon_sha256":"5bd9747f7d5062a61721f9e65df5dcf6c845f475716e29bb6ed9b1adfd54c031"},"schema_version":"1.0","source":{"id":"1903.10419","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.10419","created_at":"2026-07-04T23:55:38Z"},{"alias_kind":"arxiv_version","alias_value":"1903.10419v2","created_at":"2026-07-04T23:55:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.10419","created_at":"2026-07-04T23:55:38Z"},{"alias_kind":"pith_short_12","alias_value":"KHTGLUKNIEHV","created_at":"2026-07-04T23:55:38Z"},{"alias_kind":"pith_short_16","alias_value":"KHTGLUKNIEHV7YBV","created_at":"2026-07-04T23:55:38Z"},{"alias_kind":"pith_short_8","alias_value":"KHTGLUKN","created_at":"2026-07-04T23:55:38Z"}],"graph_snapshots":[{"event_id":"sha256:bca1d50f00f9218e530c3065bfac122e8b3cf20260c86ea499e4f77a1c65a7b8","target":"graph","created_at":"2026-07-04T23:55:38Z","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/1903.10419/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the electronic structures and topological properties of $(M+N)$-layer twisted graphene systems. We consider the generic situation that $N$-layer graphene is placed on top of the other $M$-layer graphene, and is twisted with respect to each other by an angle $\\theta$. In such twisted multilayer graphene (TMG) systems, we find that there exists two low-energy flat bands for each valley emerging from the interface between the $M$ layers and the $N$ layers. These two low-energy bands in the TMG system possess valley Chern numbers that are dependent on both the number of layers and the sta","authors_text":"Jianpeng Liu, Jinhua Gao, Xi Dai, Zhen Ma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-03-25T16:02:57Z","title":"Quantum valley Hall effect, orbital magnetism, and anomalous Hall effect in twisted multilayer graphene systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.10419","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:c9e3738befcafa55425ce22ff9f344bf44b26ab82f871ebc4ca34f3c847ea93b","target":"record","created_at":"2026-07-04T23:55:38Z","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":"7c74d61e589c836c30ff1ecc163c84b0a287a4adf1a7d4d9f90f5da3ff2b9745","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-03-25T16:02:57Z","title_canon_sha256":"5bd9747f7d5062a61721f9e65df5dcf6c845f475716e29bb6ed9b1adfd54c031"},"schema_version":"1.0","source":{"id":"1903.10419","kind":"arxiv","version":2}},"canonical_sha256":"51e665d14d410f5fe035513c98f77a29360534460dae77aa287623589989342b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"51e665d14d410f5fe035513c98f77a29360534460dae77aa287623589989342b","first_computed_at":"2026-07-04T23:55:38.793729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:55:38.793729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iAPw1hJpWNP2b/Uy+tm/Efy9ZQQ7BNpRbWeKnZwHDtmF/TnN10SXlNLAp39ihzr5X8+l0VVemTRUcKj06ca8Dw==","signature_status":"signed_v1","signed_at":"2026-07-04T23:55:38.794201Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.10419","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9e3738befcafa55425ce22ff9f344bf44b26ab82f871ebc4ca34f3c847ea93b","sha256:bca1d50f00f9218e530c3065bfac122e8b3cf20260c86ea499e4f77a1c65a7b8"],"state_sha256":"ced572f231760c85e71d93021d3d0481f57d64716a466a04d07e0cfb1e2f1750"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ActB/ws3dxtZbZE4C6GJSnCdWDfBaaNRvyQ7JgGqMReN2487tKVdgtOnv2o7QQ0dXrpVptEzoZnKiCxCikLkCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T09:20:53.322229Z","bundle_sha256":"dc3bc733564000a142d016023ad0a6d249c4c8fbfff4ed97dc9b6870a6e05c2e"}}