{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:242ABKAPBBWGBU2VQHEN7P4G6Q","short_pith_number":"pith:242ABKAP","canonical_record":{"source":{"id":"0910.2518","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-14T02:37:02Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"2b7b71b1992869aa2bd13097b62286ccc4549d1705d6ef96dc5d5bf3ccd0d66d","abstract_canon_sha256":"eb099ae49d26c727b486877aa69dacda35e10e3daf7903604e7a8475c0b3c796"},"schema_version":"1.0"},"canonical_sha256":"d73400a80f086c60d35581c8dfbf86f437ace17958e2da43495938ea27687c6e","source":{"kind":"arxiv","id":"0910.2518","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.2518","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"arxiv_version","alias_value":"0910.2518v1","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.2518","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"pith_short_12","alias_value":"242ABKAPBBWG","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"242ABKAPBBWGBU2V","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"242ABKAP","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:242ABKAPBBWGBU2VQHEN7P4G6Q","target":"record","payload":{"canonical_record":{"source":{"id":"0910.2518","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-14T02:37:02Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"2b7b71b1992869aa2bd13097b62286ccc4549d1705d6ef96dc5d5bf3ccd0d66d","abstract_canon_sha256":"eb099ae49d26c727b486877aa69dacda35e10e3daf7903604e7a8475c0b3c796"},"schema_version":"1.0"},"canonical_sha256":"d73400a80f086c60d35581c8dfbf86f437ace17958e2da43495938ea27687c6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:15:06.823233Z","signature_b64":"wYgRms/MDQnf5tAcd4RknA9+AciO2pLl6oIou6H/vP0EgkYq+OH34RBE1gj0i61C1Le5NQfK47r96rHUoYhbBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d73400a80f086c60d35581c8dfbf86f437ace17958e2da43495938ea27687c6e","last_reissued_at":"2026-05-18T04:15:06.822451Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:15:06.822451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.2518","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:15:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NOP5g4GnoX7GrxWgCGHW98+m/mtXKuhilCDQAmWiIaqfGNWXiSCqtbUn2Kw7pCCr+X/yWF7Za8a8qgq0240nCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:32:24.346571Z"},"content_sha256":"afd160d84af5d3a48ac4db80b252c9a3c2d99e281b0b0e466d2bf061686798b4","schema_version":"1.0","event_id":"sha256:afd160d84af5d3a48ac4db80b252c9a3c2d99e281b0b0e466d2bf061686798b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:242ABKAPBBWGBU2VQHEN7P4G6Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Integer and Fractional Quantum Hall Effect in Two-Terminal Measurements on Suspended Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Luican, D. A. Abanin, E.Y.Andrei, F. Duerr, I. Skachko, L. S. Levitov, X. Du","submitted_at":"2009-10-14T02:37:02Z","abstract_excerpt":"We report the observation of the quantized Hall effect in suspended graphene probed with a two-terminal lead geometry. The failure of earlier Hall-bar measurements is discussed and attributed to the placement of voltage probes in mesoscopic samples. New quantized states are found at integer Landau level fillings outside the sequence 2,6,10.., as well as at a fractional filling \\nu=1/3. Their presence is revealed by plateaus in the two-terminal conductance which appear in magnetic fields as low as 2 Tesla at low temperatures and persist up to 20 Kelvin in 12 Tesla. The excitation gaps, extracte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.2518","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:15:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f/yIoF2azddIdzGFLSvLeCLl1n1/ubSrhJ/HphasQklMuCyj2OSJq/ia0+pCN85xOBRf0v7sdncM6CWpGiN+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:32:24.346938Z"},"content_sha256":"faca2c19362c732166cc71acbddb576c677e8e92b982ca8fd843218378252abb","schema_version":"1.0","event_id":"sha256:faca2c19362c732166cc71acbddb576c677e8e92b982ca8fd843218378252abb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/242ABKAPBBWGBU2VQHEN7P4G6Q/bundle.json","state_url":"https://pith.science/pith/242ABKAPBBWGBU2VQHEN7P4G6Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/242ABKAPBBWGBU2VQHEN7P4G6Q/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T23:32:24Z","links":{"resolver":"https://pith.science/pith/242ABKAPBBWGBU2VQHEN7P4G6Q","bundle":"https://pith.science/pith/242ABKAPBBWGBU2VQHEN7P4G6Q/bundle.json","state":"https://pith.science/pith/242ABKAPBBWGBU2VQHEN7P4G6Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/242ABKAPBBWGBU2VQHEN7P4G6Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:242ABKAPBBWGBU2VQHEN7P4G6Q","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":"eb099ae49d26c727b486877aa69dacda35e10e3daf7903604e7a8475c0b3c796","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-14T02:37:02Z","title_canon_sha256":"2b7b71b1992869aa2bd13097b62286ccc4549d1705d6ef96dc5d5bf3ccd0d66d"},"schema_version":"1.0","source":{"id":"0910.2518","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.2518","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"arxiv_version","alias_value":"0910.2518v1","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.2518","created_at":"2026-05-18T04:15:06Z"},{"alias_kind":"pith_short_12","alias_value":"242ABKAPBBWG","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"242ABKAPBBWGBU2V","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"242ABKAP","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:faca2c19362c732166cc71acbddb576c677e8e92b982ca8fd843218378252abb","target":"graph","created_at":"2026-05-18T04:15:06Z","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 the quantized Hall effect in suspended graphene probed with a two-terminal lead geometry. The failure of earlier Hall-bar measurements is discussed and attributed to the placement of voltage probes in mesoscopic samples. New quantized states are found at integer Landau level fillings outside the sequence 2,6,10.., as well as at a fractional filling \\nu=1/3. Their presence is revealed by plateaus in the two-terminal conductance which appear in magnetic fields as low as 2 Tesla at low temperatures and persist up to 20 Kelvin in 12 Tesla. The excitation gaps, extracte","authors_text":"A. Luican, D. A. Abanin, E.Y.Andrei, F. Duerr, I. Skachko, L. S. Levitov, X. Du","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-14T02:37:02Z","title":"Integer and Fractional Quantum Hall Effect in Two-Terminal Measurements on Suspended Graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.2518","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:afd160d84af5d3a48ac4db80b252c9a3c2d99e281b0b0e466d2bf061686798b4","target":"record","created_at":"2026-05-18T04:15:06Z","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":"eb099ae49d26c727b486877aa69dacda35e10e3daf7903604e7a8475c0b3c796","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-10-14T02:37:02Z","title_canon_sha256":"2b7b71b1992869aa2bd13097b62286ccc4549d1705d6ef96dc5d5bf3ccd0d66d"},"schema_version":"1.0","source":{"id":"0910.2518","kind":"arxiv","version":1}},"canonical_sha256":"d73400a80f086c60d35581c8dfbf86f437ace17958e2da43495938ea27687c6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d73400a80f086c60d35581c8dfbf86f437ace17958e2da43495938ea27687c6e","first_computed_at":"2026-05-18T04:15:06.822451Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:15:06.822451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wYgRms/MDQnf5tAcd4RknA9+AciO2pLl6oIou6H/vP0EgkYq+OH34RBE1gj0i61C1Le5NQfK47r96rHUoYhbBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:15:06.823233Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.2518","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:afd160d84af5d3a48ac4db80b252c9a3c2d99e281b0b0e466d2bf061686798b4","sha256:faca2c19362c732166cc71acbddb576c677e8e92b982ca8fd843218378252abb"],"state_sha256":"e4434190836b457ed2995c7454ccb2d800680c4a2bba3cb8fa24a112d41b30d7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+49Wp7Yev7eQmLrCfqecyL3S3MtmcbtIWfZiKfryh4+jcGkeCjWcEC62oJ4DHHVfuhrmb5pAQaweM4FCo5LZAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T23:32:24.350383Z","bundle_sha256":"48c8a1f9e84749d0aa542c7b7dd109d7d0193143e1f45efd94a6d0d224b9cc25"}}