{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:EIYOXZDC57MFQAJ4MWEUNEYMQV","short_pith_number":"pith:EIYOXZDC","schema_version":"1.0","canonical_sha256":"2230ebe462efd858013c658946930c8555624bf053f27c3db3c6907ed74e046f","source":{"kind":"arxiv","id":"1201.4735","version":1},"attestation_state":"computed","paper":{"title":"Stable ferromagnetism and doping induced half-metallicity in asymmetric graphene nanoribbons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Carlo A. Pignedoli, Daniele Passerone, Donat J. Adams, Oliver Gr\\\"oning, Pascal Ruffieux, Roman Fasel","submitted_at":"2012-01-23T15:01:13Z","abstract_excerpt":"We propose a class of graphene nanoribbons showing strong intrinsic ferromagnetic behavior due to their asymmetry. Such ribbons are based on a zig-zag edged backbone surmounted by a periodic, triangular notched region of variable size. The electronic properties as a function of the topology are investigated. Interestingly, substitutional doping by boron or nitrogen induces half-metallicity. The most effective doping sites can be inferred from the band structure. Given the present rapid development of bottom-up strategies for the synthesis of atomically precise carbon nanostructures the propose"},"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":"1201.4735","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2012-01-23T15:01:13Z","cross_cats_sorted":[],"title_canon_sha256":"71646c7c62120d8005783a04db029658d87f1e5df9efa130ccafe2ad0ee6c1c4","abstract_canon_sha256":"1bbd12deeddb744b3f7ce8c26579b5caa7aa4554df8330cbdd8541f9209114ed"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:04:05.315440Z","signature_b64":"VK3F5+MLAXdmegYOTVWVVrkBGO9DAcSUPALY/AEcBW0AijJMmBYv8m4XTRJ7k7Q0WAtC7UOdMA4+zYvQPWokDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2230ebe462efd858013c658946930c8555624bf053f27c3db3c6907ed74e046f","last_reissued_at":"2026-05-18T04:04:05.315008Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:04:05.315008Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stable ferromagnetism and doping induced half-metallicity in asymmetric graphene nanoribbons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Carlo A. Pignedoli, Daniele Passerone, Donat J. Adams, Oliver Gr\\\"oning, Pascal Ruffieux, Roman Fasel","submitted_at":"2012-01-23T15:01:13Z","abstract_excerpt":"We propose a class of graphene nanoribbons showing strong intrinsic ferromagnetic behavior due to their asymmetry. Such ribbons are based on a zig-zag edged backbone surmounted by a periodic, triangular notched region of variable size. The electronic properties as a function of the topology are investigated. Interestingly, substitutional doping by boron or nitrogen induces half-metallicity. The most effective doping sites can be inferred from the band structure. Given the present rapid development of bottom-up strategies for the synthesis of atomically precise carbon nanostructures the propose"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4735","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":"1201.4735","created_at":"2026-05-18T04:04:05.315070+00:00"},{"alias_kind":"arxiv_version","alias_value":"1201.4735v1","created_at":"2026-05-18T04:04:05.315070+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4735","created_at":"2026-05-18T04:04:05.315070+00:00"},{"alias_kind":"pith_short_12","alias_value":"EIYOXZDC57MF","created_at":"2026-05-18T12:27:04.183437+00:00"},{"alias_kind":"pith_short_16","alias_value":"EIYOXZDC57MFQAJ4","created_at":"2026-05-18T12:27:04.183437+00:00"},{"alias_kind":"pith_short_8","alias_value":"EIYOXZDC","created_at":"2026-05-18T12:27:04.183437+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/EIYOXZDC57MFQAJ4MWEUNEYMQV","json":"https://pith.science/pith/EIYOXZDC57MFQAJ4MWEUNEYMQV.json","graph_json":"https://pith.science/api/pith-number/EIYOXZDC57MFQAJ4MWEUNEYMQV/graph.json","events_json":"https://pith.science/api/pith-number/EIYOXZDC57MFQAJ4MWEUNEYMQV/events.json","paper":"https://pith.science/paper/EIYOXZDC"},"agent_actions":{"view_html":"https://pith.science/pith/EIYOXZDC57MFQAJ4MWEUNEYMQV","download_json":"https://pith.science/pith/EIYOXZDC57MFQAJ4MWEUNEYMQV.json","view_paper":"https://pith.science/paper/EIYOXZDC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1201.4735&json=true","fetch_graph":"https://pith.science/api/pith-number/EIYOXZDC57MFQAJ4MWEUNEYMQV/graph.json","fetch_events":"https://pith.science/api/pith-number/EIYOXZDC57MFQAJ4MWEUNEYMQV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EIYOXZDC57MFQAJ4MWEUNEYMQV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EIYOXZDC57MFQAJ4MWEUNEYMQV/action/storage_attestation","attest_author":"https://pith.science/pith/EIYOXZDC57MFQAJ4MWEUNEYMQV/action/author_attestation","sign_citation":"https://pith.science/pith/EIYOXZDC57MFQAJ4MWEUNEYMQV/action/citation_signature","submit_replication":"https://pith.science/pith/EIYOXZDC57MFQAJ4MWEUNEYMQV/action/replication_record"}},"created_at":"2026-05-18T04:04:05.315070+00:00","updated_at":"2026-05-18T04:04:05.315070+00:00"}