{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:NYTPG2QA6WHI2P6E7QEY22ERTY","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":"c02a7857c64df1349802764fb2984ac2217fe528d98118eda379a0e8038fdb61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-04-12T11:53:35Z","title_canon_sha256":"d4c51843c5af6c9450dd2466a11d75303da763115b07225f95f2e89323b404c3"},"schema_version":"1.0","source":{"id":"1104.2177","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.2177","created_at":"2026-05-18T02:22:09Z"},{"alias_kind":"arxiv_version","alias_value":"1104.2177v1","created_at":"2026-05-18T02:22:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.2177","created_at":"2026-05-18T02:22:09Z"},{"alias_kind":"pith_short_12","alias_value":"NYTPG2QA6WHI","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NYTPG2QA6WHI2P6E","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NYTPG2QA","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:73afa85a34f7c1dd194d073dcb49fca12cba7b46149b924c7ba1f752784dfd59","target":"graph","created_at":"2026-05-18T02:22:09Z","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":"We report the observation of an unusual $B$ dependence of transverse magnetoresistance (MR) in the PrFeAsO, one of the parent compound of pnictide superconductors. Below the spin density wave transition, MR is large, positive and increases with decreasing temperature. At low temperatures, MR increases linearly with $B$ up to 14 T. For $T$$\\geq$40 K, MR vs $B$ curve develops a weak curvature in the low-field region which indicates a crossover from $B$ linear to $B^2$ dependence as $B$$\\rightarrow$0. The $B$ linear MR originates from the Dirac cone states and has been explained by the quantum me","authors_text":"D. Bhoi, P. Choudhury, P. Mandal, S. Pandya, V.Ganesan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-04-12T11:53:35Z","title":"Quantm Magnetoresistance of the PrFeAsO oxypnictides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.2177","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":"sha256:0cf2a6bd478235e1ebc3c1f8b542ca90c08451e3df549a921627cc78d0495c59","target":"record","created_at":"2026-05-18T02:22:09Z","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":"c02a7857c64df1349802764fb2984ac2217fe528d98118eda379a0e8038fdb61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-04-12T11:53:35Z","title_canon_sha256":"d4c51843c5af6c9450dd2466a11d75303da763115b07225f95f2e89323b404c3"},"schema_version":"1.0","source":{"id":"1104.2177","kind":"arxiv","version":1}},"canonical_sha256":"6e26f36a00f58e8d3fc4fc098d68919e1a861d2ca2a5b418d9f76b1076847223","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e26f36a00f58e8d3fc4fc098d68919e1a861d2ca2a5b418d9f76b1076847223","first_computed_at":"2026-05-18T02:22:09.756261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:22:09.756261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kfRemRj5BJV518/UfHVVGWDuEfPi8XfniUP7qtfWMBo/X8Km9mu+hs+xO0kmOfZqUj8pXZsM1evJjC1QAc6CCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:22:09.756773Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.2177","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0cf2a6bd478235e1ebc3c1f8b542ca90c08451e3df549a921627cc78d0495c59","sha256:73afa85a34f7c1dd194d073dcb49fca12cba7b46149b924c7ba1f752784dfd59"],"state_sha256":"0dcb1074e78aa9126c8d33b63b1a10f01ae71f45e1fa3e405d7d4d9d8fbbdd26"}