{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:S2OAWT3CX6FAA6M6GK6D2EIZWA","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":"84d0a1cec64f517014bee1f089f05e2824c8b098243e436a3c3dfd4181883c61","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-09T00:24:37Z","title_canon_sha256":"d201664b00a485cc3f853b6018c29da2fc22c3d29615ac94acadec2266f6df85"},"schema_version":"1.0","source":{"id":"1609.02626","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.02626","created_at":"2026-05-18T00:41:25Z"},{"alias_kind":"arxiv_version","alias_value":"1609.02626v2","created_at":"2026-05-18T00:41:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.02626","created_at":"2026-05-18T00:41:25Z"},{"alias_kind":"pith_short_12","alias_value":"S2OAWT3CX6FA","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"S2OAWT3CX6FAA6M6","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"S2OAWT3C","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:d63fae89ce7698551b0d981d7424a60ec87c19aef35d82ea22f1777fa4e08834","target":"graph","created_at":"2026-05-18T00:41:25Z","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"},"paper":{"abstract_excerpt":"While pyrite-type PtBi2 with face-centered cubic structure has been predicted to be a three-dimensional (3D) Dirac semimetal, experimental study on its physical properties remains absent. Here we report the angular-dependent magnetoresistance (MR) measurements of PtBi2 single-crystal under high magnetic fields. We observed extreme large unsaturated magnetoresistance (XMR) up to 11.2 million percent at T = 1.8 K in a magnetic field of 33 T, which surpasses the previously reported Dirac materials, such as WTe2, LaSb and NbP. The crystals exhibit an ultrahigh mobility and significant Shubnikov-de","authors_text":"Chuanying Xi, Fa-Wei Zheng, Guolin Zheng, Haifeng Du, Hongwei Zhang, Jinglei Zhang, Jiyong Yang, Mingliang Tian, Min Wu, Ningning Hao, Ping Zhang, Wei Ning, Wenshuai Gao, Xiangde Zhu, Yuheng Zhang","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-09T00:24:37Z","title":"Extremely large magnetoresistance in a topological semimetal candidate pyrite PtBi2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.02626","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":"sha256:6c4e2298f3a34bd745b99f0c854ae17d64fb2f31ea2c465d27ebe2432dbb82c0","target":"record","created_at":"2026-05-18T00:41:25Z","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":"84d0a1cec64f517014bee1f089f05e2824c8b098243e436a3c3dfd4181883c61","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-09-09T00:24:37Z","title_canon_sha256":"d201664b00a485cc3f853b6018c29da2fc22c3d29615ac94acadec2266f6df85"},"schema_version":"1.0","source":{"id":"1609.02626","kind":"arxiv","version":2}},"canonical_sha256":"969c0b4f62bf8a00799e32bc3d1119b01433c470032e4611868fdc69184e70df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"969c0b4f62bf8a00799e32bc3d1119b01433c470032e4611868fdc69184e70df","first_computed_at":"2026-05-18T00:41:25.913104Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:25.913104Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"72Agim/xE9SIn2M6/J6L5WtCx6GeUug1E6PVpgbpMpC2/EyOlrrJkZZB5xONiIK1pMc6hb/njC8mFVSnyGDBAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:25.913763Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.02626","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c4e2298f3a34bd745b99f0c854ae17d64fb2f31ea2c465d27ebe2432dbb82c0","sha256:d63fae89ce7698551b0d981d7424a60ec87c19aef35d82ea22f1777fa4e08834"],"state_sha256":"6a548b489b0626305efcd80e77b44b2041f5d4884a0aedacf88e1015c6e1fa18"}