{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:2IYI4RN7YOHFEOTXGU6IEP2KTK","short_pith_number":"pith:2IYI4RN7","schema_version":"1.0","canonical_sha256":"d2308e45bfc38e523a77353c823f4a9aace6cc890fc4dfd227b5415b251cc7fe","source":{"kind":"arxiv","id":"1311.0664","version":1},"attestation_state":"computed","paper":{"title":"Atomically perfect torn graphene edges and their reversible reconstruction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Zettl, C. Kisielowski, Kwanpyo Kim, Marvin L. Cohen, M. F. Crommie, Sinisa Coh, Steven G. Louie","submitted_at":"2013-11-04T12:09:13Z","abstract_excerpt":"The atomic structure of graphene edges is critical in determining the electrical, magnetic, and chemical properties of truncated graphene structures, notably nanoribbons. Unfortunately, graphene edges are typically far from ideal and suffer from atomic-scale defects, structural distortion, and unintended chemical functionalization, leading to unpredictable properties. Here we report that graphene edges fabricated by electron-beam-initiated mechanical rupture or tearing in high vacuum are clean and largely atomically perfect, oriented in either the armchair or zigzag direction. Via aberration-c"},"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":"1311.0664","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-04T12:09:13Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"2acfb964986e996c81f7482a2f94f5782373467f6f5005a03e4fd4ff8df03c62","abstract_canon_sha256":"0f11d437fd6d8088869f486d08a978daf938ab8edc43df5dbdaf82cad941644f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:08:05.211820Z","signature_b64":"5h1AfcZK2vBdE2KLNa/DbaOKV1+e3tsgVA6wk4aD6DwB7XabfEbTGRG9iJLxIAhtFdL/c6j1F38f63WmPhnWCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2308e45bfc38e523a77353c823f4a9aace6cc890fc4dfd227b5415b251cc7fe","last_reissued_at":"2026-05-18T03:08:05.211007Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:08:05.211007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Atomically perfect torn graphene edges and their reversible reconstruction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Zettl, C. Kisielowski, Kwanpyo Kim, Marvin L. Cohen, M. F. Crommie, Sinisa Coh, Steven G. Louie","submitted_at":"2013-11-04T12:09:13Z","abstract_excerpt":"The atomic structure of graphene edges is critical in determining the electrical, magnetic, and chemical properties of truncated graphene structures, notably nanoribbons. Unfortunately, graphene edges are typically far from ideal and suffer from atomic-scale defects, structural distortion, and unintended chemical functionalization, leading to unpredictable properties. Here we report that graphene edges fabricated by electron-beam-initiated mechanical rupture or tearing in high vacuum are clean and largely atomically perfect, oriented in either the armchair or zigzag direction. Via aberration-c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0664","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":"1311.0664","created_at":"2026-05-18T03:08:05.211157+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.0664v1","created_at":"2026-05-18T03:08:05.211157+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0664","created_at":"2026-05-18T03:08:05.211157+00:00"},{"alias_kind":"pith_short_12","alias_value":"2IYI4RN7YOHF","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_16","alias_value":"2IYI4RN7YOHFEOTX","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_8","alias_value":"2IYI4RN7","created_at":"2026-05-18T12:27:30.460161+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/2IYI4RN7YOHFEOTXGU6IEP2KTK","json":"https://pith.science/pith/2IYI4RN7YOHFEOTXGU6IEP2KTK.json","graph_json":"https://pith.science/api/pith-number/2IYI4RN7YOHFEOTXGU6IEP2KTK/graph.json","events_json":"https://pith.science/api/pith-number/2IYI4RN7YOHFEOTXGU6IEP2KTK/events.json","paper":"https://pith.science/paper/2IYI4RN7"},"agent_actions":{"view_html":"https://pith.science/pith/2IYI4RN7YOHFEOTXGU6IEP2KTK","download_json":"https://pith.science/pith/2IYI4RN7YOHFEOTXGU6IEP2KTK.json","view_paper":"https://pith.science/paper/2IYI4RN7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.0664&json=true","fetch_graph":"https://pith.science/api/pith-number/2IYI4RN7YOHFEOTXGU6IEP2KTK/graph.json","fetch_events":"https://pith.science/api/pith-number/2IYI4RN7YOHFEOTXGU6IEP2KTK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2IYI4RN7YOHFEOTXGU6IEP2KTK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2IYI4RN7YOHFEOTXGU6IEP2KTK/action/storage_attestation","attest_author":"https://pith.science/pith/2IYI4RN7YOHFEOTXGU6IEP2KTK/action/author_attestation","sign_citation":"https://pith.science/pith/2IYI4RN7YOHFEOTXGU6IEP2KTK/action/citation_signature","submit_replication":"https://pith.science/pith/2IYI4RN7YOHFEOTXGU6IEP2KTK/action/replication_record"}},"created_at":"2026-05-18T03:08:05.211157+00:00","updated_at":"2026-05-18T03:08:05.211157+00:00"}