{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:3PWME6J4S2FXIXWGHOE2BEM3ET","short_pith_number":"pith:3PWME6J4","schema_version":"1.0","canonical_sha256":"dbecc2793c968b745ec63b89a0919b24ee63033a0398205aa57e5714e533d05d","source":{"kind":"arxiv","id":"1011.3108","version":1},"attestation_state":"computed","paper":{"title":"Atmospheric Oxygen Binding and Hole Doping in Deformed Graphene on a SiO2 Substrate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"George W. Flynn, Haitao Liu, Li Liu, Louis E. Brus, Philip Kim, Stephane Berciaud, Sunmin Ryu, Young-Jun Yu","submitted_at":"2010-11-13T06:24:15Z","abstract_excerpt":"Using micro-Raman spectroscopy and scanning tunneling microscopy, we study the relationship between structural distortion and electrical hole doping of graphene on a silicon dioxide substrate. The observed upshift of the Raman G band represents charge doping and not compressive strain. Two independent factors control the doping: (1) the degree of graphene coupling to the substrate, and (2) exposure to oxygen and moisture. Thermal annealing induces a pronounced structural distortion due to close coupling to SiO2 and activates the ability of diatomic oxygen to accept charge from graphene. Gas fl"},"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":"1011.3108","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-11-13T06:24:15Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"5232c9f613874afc8ca365c28c6725b5be56fd3254a7dcfdd3dcc467e61150c7","abstract_canon_sha256":"60a8c59b1f958eaaae85ab5524255b35f658ae21ce911f38eb5759896d72de57"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:04:15.342662Z","signature_b64":"IYf15Lqp/Y9dphvEuw8lrPI+ZNoQ0jaru2O+O+4M29+LkTnIMHLVTRBYl4HoUPMbs3BW4qorE5ki080aXk3FDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dbecc2793c968b745ec63b89a0919b24ee63033a0398205aa57e5714e533d05d","last_reissued_at":"2026-05-18T04:04:15.342084Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:04:15.342084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Atmospheric Oxygen Binding and Hole Doping in Deformed Graphene on a SiO2 Substrate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"George W. Flynn, Haitao Liu, Li Liu, Louis E. Brus, Philip Kim, Stephane Berciaud, Sunmin Ryu, Young-Jun Yu","submitted_at":"2010-11-13T06:24:15Z","abstract_excerpt":"Using micro-Raman spectroscopy and scanning tunneling microscopy, we study the relationship between structural distortion and electrical hole doping of graphene on a silicon dioxide substrate. The observed upshift of the Raman G band represents charge doping and not compressive strain. Two independent factors control the doping: (1) the degree of graphene coupling to the substrate, and (2) exposure to oxygen and moisture. Thermal annealing induces a pronounced structural distortion due to close coupling to SiO2 and activates the ability of diatomic oxygen to accept charge from graphene. Gas fl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.3108","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":"1011.3108","created_at":"2026-05-18T04:04:15.342178+00:00"},{"alias_kind":"arxiv_version","alias_value":"1011.3108v1","created_at":"2026-05-18T04:04:15.342178+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.3108","created_at":"2026-05-18T04:04:15.342178+00:00"},{"alias_kind":"pith_short_12","alias_value":"3PWME6J4S2FX","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_16","alias_value":"3PWME6J4S2FXIXWG","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_8","alias_value":"3PWME6J4","created_at":"2026-05-18T12:26:03.138858+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/3PWME6J4S2FXIXWGHOE2BEM3ET","json":"https://pith.science/pith/3PWME6J4S2FXIXWGHOE2BEM3ET.json","graph_json":"https://pith.science/api/pith-number/3PWME6J4S2FXIXWGHOE2BEM3ET/graph.json","events_json":"https://pith.science/api/pith-number/3PWME6J4S2FXIXWGHOE2BEM3ET/events.json","paper":"https://pith.science/paper/3PWME6J4"},"agent_actions":{"view_html":"https://pith.science/pith/3PWME6J4S2FXIXWGHOE2BEM3ET","download_json":"https://pith.science/pith/3PWME6J4S2FXIXWGHOE2BEM3ET.json","view_paper":"https://pith.science/paper/3PWME6J4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1011.3108&json=true","fetch_graph":"https://pith.science/api/pith-number/3PWME6J4S2FXIXWGHOE2BEM3ET/graph.json","fetch_events":"https://pith.science/api/pith-number/3PWME6J4S2FXIXWGHOE2BEM3ET/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3PWME6J4S2FXIXWGHOE2BEM3ET/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3PWME6J4S2FXIXWGHOE2BEM3ET/action/storage_attestation","attest_author":"https://pith.science/pith/3PWME6J4S2FXIXWGHOE2BEM3ET/action/author_attestation","sign_citation":"https://pith.science/pith/3PWME6J4S2FXIXWGHOE2BEM3ET/action/citation_signature","submit_replication":"https://pith.science/pith/3PWME6J4S2FXIXWGHOE2BEM3ET/action/replication_record"}},"created_at":"2026-05-18T04:04:15.342178+00:00","updated_at":"2026-05-18T04:04:15.342178+00:00"}