{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:AFGBEAXW3WNVE4MZSWDWWRYTXU","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":"340fee9b5d4f72f3231dfe783d2cb92ad338ca44ed74c1499507df38988d519f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-08-25T21:22:11Z","title_canon_sha256":"2febc98f98a8f90a7d221cdae449611a59f8736acbfbfbacab871347d6cc1296"},"schema_version":"1.0","source":{"id":"1008.4387","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.4387","created_at":"2026-05-18T04:28:45Z"},{"alias_kind":"arxiv_version","alias_value":"1008.4387v1","created_at":"2026-05-18T04:28:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.4387","created_at":"2026-05-18T04:28:45Z"},{"alias_kind":"pith_short_12","alias_value":"AFGBEAXW3WNV","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"AFGBEAXW3WNVE4MZ","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"AFGBEAXW","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:4c29db1e09efa5c649dd7c98f84a4851f2b3bf728530b4295f34766ed63a9281","target":"graph","created_at":"2026-05-18T04:28:45Z","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":"Adatoms offer an effective route to modify and engineer the properties of graphene. In this work, we create dilute fluorinated graphene using a clean, controlled and reversible approach. At low carrier densities, the system is strongly localized and exhibits an unexpected, colossal negative magnetoresistance. The zero-field resistance is reduced by a factor of 40 at the highest field of 9 T and shows no sign of saturation. Unusual \"staircase\" field dependence is observed below 5 K. The magnetoresistance is highly anisotropic. We discuss possible origins, considering quantum interference effect","authors_text":"C. Herding, J. Zhu, S.-H. Cheng, X. Hong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-08-25T21:22:11Z","title":"Colossal negative magnetoresistance in dilute fluorinated graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.4387","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":"sha256:0ddab03b8f33891857de2afb91abba8ba83036bd3a12cc1d5258d89dee08cd26","target":"record","created_at":"2026-05-18T04:28:45Z","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":"340fee9b5d4f72f3231dfe783d2cb92ad338ca44ed74c1499507df38988d519f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-08-25T21:22:11Z","title_canon_sha256":"2febc98f98a8f90a7d221cdae449611a59f8736acbfbfbacab871347d6cc1296"},"schema_version":"1.0","source":{"id":"1008.4387","kind":"arxiv","version":1}},"canonical_sha256":"014c1202f6dd9b52719995876b4713bd2064eb5a98aec251c43035e77b545bdd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"014c1202f6dd9b52719995876b4713bd2064eb5a98aec251c43035e77b545bdd","first_computed_at":"2026-05-18T04:28:45.520386Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:28:45.520386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o7x7fcgzXWV/IO+XIO6YOYEDKJhgfkFp+fiDIB5vhFjPiqi8ErDscA53YDX3fSAkEKRlLT7G+jMroMW6wgjHBw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:28:45.520850Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.4387","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ddab03b8f33891857de2afb91abba8ba83036bd3a12cc1d5258d89dee08cd26","sha256:4c29db1e09efa5c649dd7c98f84a4851f2b3bf728530b4295f34766ed63a9281"],"state_sha256":"4c87291b1302f72204162f860063469e7c8298b0c77cbfdbba67c6d522f7083e"}