{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:2NIYJLN7QEJY5D3SC4JQD2ZXNT","short_pith_number":"pith:2NIYJLN7","canonical_record":{"source":{"id":"1109.6929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-09-30T19:08:49Z","cross_cats_sorted":[],"title_canon_sha256":"129ef452f2e8d6f339f9dae65efca812ad1cedc081c4ae73706b12e47e5db2a1","abstract_canon_sha256":"d02d9d43a497b90006e013c4cdfcdaf9b24fca406857c81652de12177647c052"},"schema_version":"1.0"},"canonical_sha256":"d35184adbf81138e8f72171301eb376cf46a5ca24fc6afc3c10da54fe36f56cb","source":{"kind":"arxiv","id":"1109.6929","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.6929","created_at":"2026-05-18T04:11:52Z"},{"alias_kind":"arxiv_version","alias_value":"1109.6929v1","created_at":"2026-05-18T04:11:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.6929","created_at":"2026-05-18T04:11:52Z"},{"alias_kind":"pith_short_12","alias_value":"2NIYJLN7QEJY","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"2NIYJLN7QEJY5D3S","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"2NIYJLN7","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:2NIYJLN7QEJY5D3SC4JQD2ZXNT","target":"record","payload":{"canonical_record":{"source":{"id":"1109.6929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-09-30T19:08:49Z","cross_cats_sorted":[],"title_canon_sha256":"129ef452f2e8d6f339f9dae65efca812ad1cedc081c4ae73706b12e47e5db2a1","abstract_canon_sha256":"d02d9d43a497b90006e013c4cdfcdaf9b24fca406857c81652de12177647c052"},"schema_version":"1.0"},"canonical_sha256":"d35184adbf81138e8f72171301eb376cf46a5ca24fc6afc3c10da54fe36f56cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:11:52.172073Z","signature_b64":"lIZx/rtqtYgBmW0/NgbejPNXDMM9axqJ0oinZbHo6F0hZ95lHw/xGhPpFLm6pmzXTsESidFDfPyTbg/b36tQCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d35184adbf81138e8f72171301eb376cf46a5ca24fc6afc3c10da54fe36f56cb","last_reissued_at":"2026-05-18T04:11:52.171399Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:11:52.171399Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.6929","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":"2026-05-18T04:11:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Da43ilSHF2WSH79mUbQClhaRFoZwkV7kK6gmg3iS179+0ShjLllxWo8Lxsc7F7o6bWWnOuZScb7ex8OkK+XHDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T16:12:01.444101Z"},"content_sha256":"24f856d6bbd27843723739ade4fe3ac7d19dd31050ee36535862f200ab1e51b4","schema_version":"1.0","event_id":"sha256:24f856d6bbd27843723739ade4fe3ac7d19dd31050ee36535862f200ab1e51b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:2NIYJLN7QEJY5D3SC4JQD2ZXNT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bilayer graphene dual-gate nanodevice: An ab initio simulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Fazzio, A. J. R. da Silva, J. E. Padilha, Matheus P. Lima","submitted_at":"2011-09-30T19:08:49Z","abstract_excerpt":"We study the electronic transport properties of a dual-gated bilayer graphene nanodevice via first principles calculations. We investigate the electric current as a function of gate length and temperature. Under the action of an external electrical field we show that even for gate lengths up 100 Ang., a non zero current is exhibited. The results can be explained by the presence of a tunneling regime due the remanescent states in the gap. We also discuss the conditions to reach the charge neutrality point in a system free of defects and extrinsic carrier doping."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.6929","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":"2026-05-18T04:11:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vQG/zboMm7uzAnYsncyubfp/UFJajqpWE5I7IbG97MN8cDbm1K01wJ/Sjhl6s9bw4mgmJzCqRohOKLUajRX7Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T16:12:01.444473Z"},"content_sha256":"bb680ea1a6cbc6fb587f48af5df21252a15e2d3e0f10037b9c497d33b4689096","schema_version":"1.0","event_id":"sha256:bb680ea1a6cbc6fb587f48af5df21252a15e2d3e0f10037b9c497d33b4689096"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2NIYJLN7QEJY5D3SC4JQD2ZXNT/bundle.json","state_url":"https://pith.science/pith/2NIYJLN7QEJY5D3SC4JQD2ZXNT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2NIYJLN7QEJY5D3SC4JQD2ZXNT/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":"2026-06-03T16:12:01Z","links":{"resolver":"https://pith.science/pith/2NIYJLN7QEJY5D3SC4JQD2ZXNT","bundle":"https://pith.science/pith/2NIYJLN7QEJY5D3SC4JQD2ZXNT/bundle.json","state":"https://pith.science/pith/2NIYJLN7QEJY5D3SC4JQD2ZXNT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2NIYJLN7QEJY5D3SC4JQD2ZXNT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:2NIYJLN7QEJY5D3SC4JQD2ZXNT","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":"d02d9d43a497b90006e013c4cdfcdaf9b24fca406857c81652de12177647c052","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-09-30T19:08:49Z","title_canon_sha256":"129ef452f2e8d6f339f9dae65efca812ad1cedc081c4ae73706b12e47e5db2a1"},"schema_version":"1.0","source":{"id":"1109.6929","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.6929","created_at":"2026-05-18T04:11:52Z"},{"alias_kind":"arxiv_version","alias_value":"1109.6929v1","created_at":"2026-05-18T04:11:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.6929","created_at":"2026-05-18T04:11:52Z"},{"alias_kind":"pith_short_12","alias_value":"2NIYJLN7QEJY","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"2NIYJLN7QEJY5D3S","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"2NIYJLN7","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:bb680ea1a6cbc6fb587f48af5df21252a15e2d3e0f10037b9c497d33b4689096","target":"graph","created_at":"2026-05-18T04:11:52Z","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 study the electronic transport properties of a dual-gated bilayer graphene nanodevice via first principles calculations. We investigate the electric current as a function of gate length and temperature. Under the action of an external electrical field we show that even for gate lengths up 100 Ang., a non zero current is exhibited. The results can be explained by the presence of a tunneling regime due the remanescent states in the gap. We also discuss the conditions to reach the charge neutrality point in a system free of defects and extrinsic carrier doping.","authors_text":"A. Fazzio, A. J. R. da Silva, J. E. Padilha, Matheus P. Lima","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-09-30T19:08:49Z","title":"Bilayer graphene dual-gate nanodevice: An ab initio simulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.6929","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":"sha256:24f856d6bbd27843723739ade4fe3ac7d19dd31050ee36535862f200ab1e51b4","target":"record","created_at":"2026-05-18T04:11:52Z","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":"d02d9d43a497b90006e013c4cdfcdaf9b24fca406857c81652de12177647c052","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-09-30T19:08:49Z","title_canon_sha256":"129ef452f2e8d6f339f9dae65efca812ad1cedc081c4ae73706b12e47e5db2a1"},"schema_version":"1.0","source":{"id":"1109.6929","kind":"arxiv","version":1}},"canonical_sha256":"d35184adbf81138e8f72171301eb376cf46a5ca24fc6afc3c10da54fe36f56cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d35184adbf81138e8f72171301eb376cf46a5ca24fc6afc3c10da54fe36f56cb","first_computed_at":"2026-05-18T04:11:52.171399Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:11:52.171399Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lIZx/rtqtYgBmW0/NgbejPNXDMM9axqJ0oinZbHo6F0hZ95lHw/xGhPpFLm6pmzXTsESidFDfPyTbg/b36tQCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:11:52.172073Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.6929","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:24f856d6bbd27843723739ade4fe3ac7d19dd31050ee36535862f200ab1e51b4","sha256:bb680ea1a6cbc6fb587f48af5df21252a15e2d3e0f10037b9c497d33b4689096"],"state_sha256":"cb2919820dd4244a632e393e5b398a7a58e1906f4dc67eea7db70944f22ba513"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AmkdDnbCKzFAwjWnF/2j/sRIGkIobuCAspV2KDeMRnByUwqUViAvREdhMZEfX5zHNo3Awc2pzl39US7CVJadDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T16:12:01.446338Z","bundle_sha256":"1a3d85947b2feacc9ec070aa2b36c2245653b317fb8702604722322caf88c77b"}}