{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:TZTSMNIXD3VSJUPZLWYCYQVNLO","short_pith_number":"pith:TZTSMNIX","schema_version":"1.0","canonical_sha256":"9e672635171eeb24d1f95db02c42ad5b80feb1d4c352527d2a26543ab78cb77a","source":{"kind":"arxiv","id":"1307.0690","version":1},"attestation_state":"computed","paper":{"title":"The density of states of graphene underneath a metal electrode and its correlation with the contact resistivity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Akira Toriumi, Kosuke Nagashio, Ryota Ifuku, Tomonori Nishimura","submitted_at":"2013-07-02T11:47:03Z","abstract_excerpt":"The density of states (DOS) of graphene underneath a metal is estimated through a quantum capacitance measurement of the metal/graphene/SiO2/n+-Si contact structure fabricated by a resist-free metal deposition process. Graphene underneath Au maintains a linear DOS - energy relationship except near the Dirac point, whereas the DOS of graphene underneath Ni is broken and largely enhanced around the Dirac point, resulting in only a slight modulation of the Fermi energy. Moreover, the DOS of graphene in the contact structure is correlated with the contact resistivity measured using devices fabrica"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1307.0690","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-07-02T11:47:03Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"5717463344d0e412e0eb028a9f21fa9b1bcc3010cf9d6a48329cc1b302c1a23c","abstract_canon_sha256":"098f1fb325218de56607459afa7f53fcdbe04940a3f7601704a0472b9fa22157"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:18:05.819621Z","signature_b64":"qSgmuWmH9431pmKSPZiVXfunhzLPcaUuzbBRijd6Rv/THTBKLL2zbPpqUnj5NCZZy06fnl24vZsZiwHrP/TrCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e672635171eeb24d1f95db02c42ad5b80feb1d4c352527d2a26543ab78cb77a","last_reissued_at":"2026-05-18T03:18:05.818991Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:18:05.818991Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The density of states of graphene underneath a metal electrode and its correlation with the contact resistivity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Akira Toriumi, Kosuke Nagashio, Ryota Ifuku, Tomonori Nishimura","submitted_at":"2013-07-02T11:47:03Z","abstract_excerpt":"The density of states (DOS) of graphene underneath a metal is estimated through a quantum capacitance measurement of the metal/graphene/SiO2/n+-Si contact structure fabricated by a resist-free metal deposition process. Graphene underneath Au maintains a linear DOS - energy relationship except near the Dirac point, whereas the DOS of graphene underneath Ni is broken and largely enhanced around the Dirac point, resulting in only a slight modulation of the Fermi energy. Moreover, the DOS of graphene in the contact structure is correlated with the contact resistivity measured using devices fabrica"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.0690","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1307.0690","created_at":"2026-05-18T03:18:05.819082+00:00"},{"alias_kind":"arxiv_version","alias_value":"1307.0690v1","created_at":"2026-05-18T03:18:05.819082+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.0690","created_at":"2026-05-18T03:18:05.819082+00:00"},{"alias_kind":"pith_short_12","alias_value":"TZTSMNIXD3VS","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_16","alias_value":"TZTSMNIXD3VSJUPZ","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_8","alias_value":"TZTSMNIX","created_at":"2026-05-18T12:28:02.375192+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TZTSMNIXD3VSJUPZLWYCYQVNLO","json":"https://pith.science/pith/TZTSMNIXD3VSJUPZLWYCYQVNLO.json","graph_json":"https://pith.science/api/pith-number/TZTSMNIXD3VSJUPZLWYCYQVNLO/graph.json","events_json":"https://pith.science/api/pith-number/TZTSMNIXD3VSJUPZLWYCYQVNLO/events.json","paper":"https://pith.science/paper/TZTSMNIX"},"agent_actions":{"view_html":"https://pith.science/pith/TZTSMNIXD3VSJUPZLWYCYQVNLO","download_json":"https://pith.science/pith/TZTSMNIXD3VSJUPZLWYCYQVNLO.json","view_paper":"https://pith.science/paper/TZTSMNIX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1307.0690&json=true","fetch_graph":"https://pith.science/api/pith-number/TZTSMNIXD3VSJUPZLWYCYQVNLO/graph.json","fetch_events":"https://pith.science/api/pith-number/TZTSMNIXD3VSJUPZLWYCYQVNLO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TZTSMNIXD3VSJUPZLWYCYQVNLO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TZTSMNIXD3VSJUPZLWYCYQVNLO/action/storage_attestation","attest_author":"https://pith.science/pith/TZTSMNIXD3VSJUPZLWYCYQVNLO/action/author_attestation","sign_citation":"https://pith.science/pith/TZTSMNIXD3VSJUPZLWYCYQVNLO/action/citation_signature","submit_replication":"https://pith.science/pith/TZTSMNIXD3VSJUPZLWYCYQVNLO/action/replication_record"}},"created_at":"2026-05-18T03:18:05.819082+00:00","updated_at":"2026-05-18T03:18:05.819082+00:00"}