{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:MDX6K26DO5T5E5OBKKLNY5KBUK","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":"ab0226793d1b6c1323767c2896f9dd1ca7a2742e6a8285d376fe6965fa9757d1","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-19T14:17:29Z","title_canon_sha256":"8dbaba756c69d73e7a0ed3fecfd585f7399b68e22f132af9b09791909353eb2b"},"schema_version":"1.0","source":{"id":"2208.09361","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.09361","created_at":"2026-07-05T04:49:59Z"},{"alias_kind":"arxiv_version","alias_value":"2208.09361v1","created_at":"2026-07-05T04:49:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.09361","created_at":"2026-07-05T04:49:59Z"},{"alias_kind":"pith_short_12","alias_value":"MDX6K26DO5T5","created_at":"2026-07-05T04:49:59Z"},{"alias_kind":"pith_short_16","alias_value":"MDX6K26DO5T5E5OB","created_at":"2026-07-05T04:49:59Z"},{"alias_kind":"pith_short_8","alias_value":"MDX6K26D","created_at":"2026-07-05T04:49:59Z"}],"graph_snapshots":[{"event_id":"sha256:f0cd7a18a63c17d0b8fa52ba8fd5f07d2cc86f8a98437f02d60ca206a3cff0d4","target":"graph","created_at":"2026-07-05T04:49:59Z","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/2208.09361/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A thin, narrow-bandgap semiconductor Bi$_2$O$_2$Te nanosheet is obtained via mechanical exfoliation and a Hall-bar device is fabricated from it on a heavily doped Si/SiO$_2$ substrate and studied at low temperatures. Gate transfer characteristic measurements show that the transport carriers in the nanosheet are of $n$-type. The carrier density, mobility, and mean free path in the nanosheet are determined by measurements of the Hall resistance and the longitudinal resistance of the Hall-bar device and it is found that the electron transport in the nanosheet is in a quasi-two-dimensional (2D), s","authors_text":"Haitian Su, H. Q. Xu, Xiaobo Li","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-19T14:17:29Z","title":"Electron transport properties of a narrow-bandgap semiconductor Bi$_2$O$_2$Te nanosheet"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.09361","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":"sha256:79802c09551f5937866640d7fdafab0419721c4cdfe92a74a271a58e9f8b6d99","target":"record","created_at":"2026-07-05T04:49:59Z","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":"ab0226793d1b6c1323767c2896f9dd1ca7a2742e6a8285d376fe6965fa9757d1","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-19T14:17:29Z","title_canon_sha256":"8dbaba756c69d73e7a0ed3fecfd585f7399b68e22f132af9b09791909353eb2b"},"schema_version":"1.0","source":{"id":"2208.09361","kind":"arxiv","version":1}},"canonical_sha256":"60efe56bc37767d275c15296dc7541a2bc80fde3cf22a389ad76064ae61314bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60efe56bc37767d275c15296dc7541a2bc80fde3cf22a389ad76064ae61314bd","first_computed_at":"2026-07-05T04:49:59.123624Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:49:59.123624Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e19P8yjzIN9uFPWLkjUNuRFXCHB9TYMXKLTOHF1W7viu+Ps8HbOBcKugn+BcqvAiGKWiem7p2dWnk3begjPEBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:49:59.123966Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.09361","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:79802c09551f5937866640d7fdafab0419721c4cdfe92a74a271a58e9f8b6d99","sha256:f0cd7a18a63c17d0b8fa52ba8fd5f07d2cc86f8a98437f02d60ca206a3cff0d4"],"state_sha256":"e577030f86a2a48d5fa8ddffbd96f8cf291cce087b368f2b57fc25f23a779b7a"}