{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:JY3BKFA4V5J6XPFGMBKB4ZFUKX","short_pith_number":"pith:JY3BKFA4","canonical_record":{"source":{"id":"1302.4861","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-20T10:23:48Z","cross_cats_sorted":[],"title_canon_sha256":"b226de9f11a441c0140a534111d5a945138aa6d0a27ab98db31ef219fc6557e1","abstract_canon_sha256":"d840dcdd444d97294b3ccf707baf87a37ee93ce6ad540ab5ca4d27bd5a4ce19f"},"schema_version":"1.0"},"canonical_sha256":"4e3615141caf53ebbca660541e64b455eff2eeca8944c7d975145d1815968c78","source":{"kind":"arxiv","id":"1302.4861","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4861","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4861v1","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4861","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"pith_short_12","alias_value":"JY3BKFA4V5J6","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"JY3BKFA4V5J6XPFG","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"JY3BKFA4","created_at":"2026-05-18T12:27:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:JY3BKFA4V5J6XPFGMBKB4ZFUKX","target":"record","payload":{"canonical_record":{"source":{"id":"1302.4861","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-20T10:23:48Z","cross_cats_sorted":[],"title_canon_sha256":"b226de9f11a441c0140a534111d5a945138aa6d0a27ab98db31ef219fc6557e1","abstract_canon_sha256":"d840dcdd444d97294b3ccf707baf87a37ee93ce6ad540ab5ca4d27bd5a4ce19f"},"schema_version":"1.0"},"canonical_sha256":"4e3615141caf53ebbca660541e64b455eff2eeca8944c7d975145d1815968c78","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:33:10.782994Z","signature_b64":"vPph77ZF6ot/SiGDDIgkNjAqp71Z/zmN44O1dOSFrsXUH7S42urHDJkPL1lrGGTWTUz7B+ZP9voMi6KAWY9OAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e3615141caf53ebbca660541e64b455eff2eeca8944c7d975145d1815968c78","last_reissued_at":"2026-05-18T03:33:10.782337Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:33:10.782337Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.4861","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":"2026-05-18T03:33:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U8/zktPAxMQCjDEQR+JzfgTHYyl2YnQuHmXHG+zT3yY+rN0L1kgod+U0HEUR1+zv06hlhwLkEN8Ogu2QCXgeBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T14:56:48.238531Z"},"content_sha256":"289667a6208b07b4e7351bb85b479391e6e3d4d0e5d00db21dd207fa096a97a7","schema_version":"1.0","event_id":"sha256:289667a6208b07b4e7351bb85b479391e6e3d4d0e5d00db21dd207fa096a97a7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:JY3BKFA4V5J6XPFGMBKB4ZFUKX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Field effect doping of graphene in metal|dielectric|graphene heterostructures: a model based upon first-principles calculations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Geert Brocks, Menno Bokdam, Paul J. Kelly, Petr A. Khomyakov","submitted_at":"2013-02-20T10:23:48Z","abstract_excerpt":"We study how the Fermi energy of a graphene monolayer separated from a conducting substrate by a dielectric spacer depends on the properties of the substrate and on an applied voltage. An analytical model is developed that describes the Fermi level shift as a function of the gate voltage, of the substrate work function, and of the type and thickness of the dielectric spacer. The parameters of this model, that should describe the effect of gate electrodes in field-effect devices, can be obtained from density functional theory (DFT) calculations on single layers or interfaces. The doping of grap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4861","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":"2026-05-18T03:33:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FMKZDLbsrkAuIFogZxY4pqxG+PUbCkk4q+Tt6279Yai1rnNGiHarZRQiHy6bsxHFKXZa6SDnjmvXqKZeJVRxDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T14:56:48.238896Z"},"content_sha256":"ba6e37470744938fdb80ffd5f1eb3ee43c7e8f671b2ca8059a8352e1781071e9","schema_version":"1.0","event_id":"sha256:ba6e37470744938fdb80ffd5f1eb3ee43c7e8f671b2ca8059a8352e1781071e9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JY3BKFA4V5J6XPFGMBKB4ZFUKX/bundle.json","state_url":"https://pith.science/pith/JY3BKFA4V5J6XPFGMBKB4ZFUKX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JY3BKFA4V5J6XPFGMBKB4ZFUKX/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":"2026-05-21T14:56:48Z","links":{"resolver":"https://pith.science/pith/JY3BKFA4V5J6XPFGMBKB4ZFUKX","bundle":"https://pith.science/pith/JY3BKFA4V5J6XPFGMBKB4ZFUKX/bundle.json","state":"https://pith.science/pith/JY3BKFA4V5J6XPFGMBKB4ZFUKX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JY3BKFA4V5J6XPFGMBKB4ZFUKX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:JY3BKFA4V5J6XPFGMBKB4ZFUKX","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":"d840dcdd444d97294b3ccf707baf87a37ee93ce6ad540ab5ca4d27bd5a4ce19f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-20T10:23:48Z","title_canon_sha256":"b226de9f11a441c0140a534111d5a945138aa6d0a27ab98db31ef219fc6557e1"},"schema_version":"1.0","source":{"id":"1302.4861","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4861","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4861v1","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4861","created_at":"2026-05-18T03:33:10Z"},{"alias_kind":"pith_short_12","alias_value":"JY3BKFA4V5J6","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_16","alias_value":"JY3BKFA4V5J6XPFG","created_at":"2026-05-18T12:27:49Z"},{"alias_kind":"pith_short_8","alias_value":"JY3BKFA4","created_at":"2026-05-18T12:27:49Z"}],"graph_snapshots":[{"event_id":"sha256:ba6e37470744938fdb80ffd5f1eb3ee43c7e8f671b2ca8059a8352e1781071e9","target":"graph","created_at":"2026-05-18T03:33:10Z","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 how the Fermi energy of a graphene monolayer separated from a conducting substrate by a dielectric spacer depends on the properties of the substrate and on an applied voltage. An analytical model is developed that describes the Fermi level shift as a function of the gate voltage, of the substrate work function, and of the type and thickness of the dielectric spacer. The parameters of this model, that should describe the effect of gate electrodes in field-effect devices, can be obtained from density functional theory (DFT) calculations on single layers or interfaces. The doping of grap","authors_text":"Geert Brocks, Menno Bokdam, Paul J. Kelly, Petr A. Khomyakov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-20T10:23:48Z","title":"Field effect doping of graphene in metal|dielectric|graphene heterostructures: a model based upon first-principles calculations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4861","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":"sha256:289667a6208b07b4e7351bb85b479391e6e3d4d0e5d00db21dd207fa096a97a7","target":"record","created_at":"2026-05-18T03:33:10Z","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":"d840dcdd444d97294b3ccf707baf87a37ee93ce6ad540ab5ca4d27bd5a4ce19f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-20T10:23:48Z","title_canon_sha256":"b226de9f11a441c0140a534111d5a945138aa6d0a27ab98db31ef219fc6557e1"},"schema_version":"1.0","source":{"id":"1302.4861","kind":"arxiv","version":1}},"canonical_sha256":"4e3615141caf53ebbca660541e64b455eff2eeca8944c7d975145d1815968c78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e3615141caf53ebbca660541e64b455eff2eeca8944c7d975145d1815968c78","first_computed_at":"2026-05-18T03:33:10.782337Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:33:10.782337Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vPph77ZF6ot/SiGDDIgkNjAqp71Z/zmN44O1dOSFrsXUH7S42urHDJkPL1lrGGTWTUz7B+ZP9voMi6KAWY9OAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:33:10.782994Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.4861","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:289667a6208b07b4e7351bb85b479391e6e3d4d0e5d00db21dd207fa096a97a7","sha256:ba6e37470744938fdb80ffd5f1eb3ee43c7e8f671b2ca8059a8352e1781071e9"],"state_sha256":"fdcdae6309181adf5fe7c42bc0ff22d07938e179a94e45a814908d9e5492d2e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Mv1lt8QkhD0q6Pge+Ac1ECEPDCuFEsR0P8YuU60pQfLg55XXhdBX+/Q3uvClQEoGNL5Hne5X+iTjmdPvFJrAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T14:56:48.241116Z","bundle_sha256":"00f1a49511837aa9b36bb3535be371892abdcfbf160e7e7cbe6a766e31d5906f"}}