{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ZUD6U7GDET7SRHRFX3AXGCZVIB","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":"d2ae34c86bb147f242bf87d5efb76647afde2b02348f475a7752a975d17c909a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-03-08T13:44:55Z","title_canon_sha256":"e4264ebcb55e0977a973eddc29fdf43e93131cfc5feb0ef9266341c772fa9243"},"schema_version":"1.0","source":{"id":"1203.1798","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.1798","created_at":"2026-05-18T03:57:24Z"},{"alias_kind":"arxiv_version","alias_value":"1203.1798v2","created_at":"2026-05-18T03:57:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.1798","created_at":"2026-05-18T03:57:24Z"},{"alias_kind":"pith_short_12","alias_value":"ZUD6U7GDET7S","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZUD6U7GDET7SRHRF","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZUD6U7GD","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:6a52a814967cf782dc043341b732ed4a4669ebb6fc6d37ce34b29eb3a2cef6d0","target":"graph","created_at":"2026-05-18T03:57:24Z","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 show that quantum resistance standards made of transferred graphene reach the uncertainty of semiconductor devices, the current reference system in metrology. A large graphene device (150 \\times 30 \\mum2), exfoliated and transferred onto GaAs, revealed a quantization with a precision of (-5.1 \\pm 6.3) \\times 10-9 accompanied by a vanishing longitudinal resistance at current levels exceeding 10 \\muA. While such performance had previously only been achieved with epitaxially grown graphene, our experiments demonstrate that transfer steps, inevitable for exfoliated graphene or graphene grown by","authors_text":"Eckart Pesel, Franz J. Ahlers, Klaus Pierz, Martin G\\\"otz, Miriam Friedemann, Miros{\\l}aw Woszczyna, Thomas Weimann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-03-08T13:44:55Z","title":"Precision quantization of Hall resistance in transferred graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.1798","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:e9bc0c99fd52c82910fb16bfcc9e7b49a487356b844968c5d19f50fd161cecab","target":"record","created_at":"2026-05-18T03:57:24Z","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":"d2ae34c86bb147f242bf87d5efb76647afde2b02348f475a7752a975d17c909a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-03-08T13:44:55Z","title_canon_sha256":"e4264ebcb55e0977a973eddc29fdf43e93131cfc5feb0ef9266341c772fa9243"},"schema_version":"1.0","source":{"id":"1203.1798","kind":"arxiv","version":2}},"canonical_sha256":"cd07ea7cc324ff289e25bec1730b354063fe5acafb4a31e8ed1c4a92e3614671","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cd07ea7cc324ff289e25bec1730b354063fe5acafb4a31e8ed1c4a92e3614671","first_computed_at":"2026-05-18T03:57:24.342399Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:57:24.342399Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T7b7ZK4Bnx0vqO4Xtal7EOaybsTpoVffh0Ixu4FoiE5kPD5cPaDSCuavuKno3JYVzZqdgHORim2QN3g/bOnwDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:57:24.343190Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.1798","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9bc0c99fd52c82910fb16bfcc9e7b49a487356b844968c5d19f50fd161cecab","sha256:6a52a814967cf782dc043341b732ed4a4669ebb6fc6d37ce34b29eb3a2cef6d0"],"state_sha256":"1655d7a800e8c5645e37767bd5414e3045f5ed0c96d90c9fcb3c624f061689b8"}