{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:L7546X2STWJFQORKFCLWXTNYQX","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":"258640f153d206c9459bcabb8dad434837587d5d04e145dd3aaa9f318a6b1b62","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-28T11:33:47Z","title_canon_sha256":"904bc13cce8752f42c41430679c4fb7bb034d3004d77b9128a5dbb2d9cb5cdbb"},"schema_version":"1.0","source":{"id":"2205.14404","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2205.14404","created_at":"2026-07-05T05:31:01Z"},{"alias_kind":"arxiv_version","alias_value":"2205.14404v2","created_at":"2026-07-05T05:31:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2205.14404","created_at":"2026-07-05T05:31:01Z"},{"alias_kind":"pith_short_12","alias_value":"L7546X2STWJF","created_at":"2026-07-05T05:31:01Z"},{"alias_kind":"pith_short_16","alias_value":"L7546X2STWJFQORK","created_at":"2026-07-05T05:31:01Z"},{"alias_kind":"pith_short_8","alias_value":"L7546X2S","created_at":"2026-07-05T05:31:01Z"}],"graph_snapshots":[{"event_id":"sha256:a8afc198f90401950af513e933c76a97b5b782a237707fc6986eb863169951a4","target":"graph","created_at":"2026-07-05T05:31:01Z","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/2205.14404/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Igniting interface magnetic ordering of magnetic topological insulators by building a van der Waals heterostructure can help to reveal novel quantum states and design functional devices. Here, we observe an interesting exchange bias effect, indicating successful interfacial magnetic coupling, in CrI3/MnBi2Te4 ferromagnetic insulator/antiferromagnetic topological insulator (FMI/AFM-TI) heterostructure devices. The devices originally exhibit a negative exchange bias field, which decays with increasing temperature and is unaffected by the back-gate voltage. When we change the device configuration","authors_text":"Bo Chen, Boyuan Wei, Chunfeng Li, Danfeng Pan, Di Wu, Fengqi Song, Fengyi Guo, Fucong Fei, Haijun Zhang, Shuai Zhang, Xuefeng Wang, Zheng Dai, Zhe Ying","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-28T11:33:47Z","title":"Large Exchange Bias Effect and Coverage-Dependent Interfacial Coupling in CrI3/MnBi2Te4 van der Waals Heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2205.14404","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:c07dceef90282fc1722285cb5208831e746b06228d564a8b0adfba8e2958dc50","target":"record","created_at":"2026-07-05T05:31:01Z","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":"258640f153d206c9459bcabb8dad434837587d5d04e145dd3aaa9f318a6b1b62","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-05-28T11:33:47Z","title_canon_sha256":"904bc13cce8752f42c41430679c4fb7bb034d3004d77b9128a5dbb2d9cb5cdbb"},"schema_version":"1.0","source":{"id":"2205.14404","kind":"arxiv","version":2}},"canonical_sha256":"5ffbcf5f529d92583a2a28976bcdb885d7a04db8cac8ad8de829eae2b70a4b6d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ffbcf5f529d92583a2a28976bcdb885d7a04db8cac8ad8de829eae2b70a4b6d","first_computed_at":"2026-07-05T05:31:01.928887Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:31:01.928887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N8Osl/vj8i++L4jUVNfep52TpfogKSjw9anxMwh5OHeWN8ZrrWp7Zrbci+s+dw2EZ53yCOLbav3dxwqhBjbdCw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:31:01.929340Z","signed_message":"canonical_sha256_bytes"},"source_id":"2205.14404","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c07dceef90282fc1722285cb5208831e746b06228d564a8b0adfba8e2958dc50","sha256:a8afc198f90401950af513e933c76a97b5b782a237707fc6986eb863169951a4"],"state_sha256":"b2a4db23c5c35f0d4abdd374806a19979438a8f5838fde1ec7db11705b2b1993"}