{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:X42PUOKHGG34SPY5ZHGIQDJAD4","short_pith_number":"pith:X42PUOKH","schema_version":"1.0","canonical_sha256":"bf34fa394731b7c93f1dc9cc880d201f1cff735e0bb0fba6f289996444d78115","source":{"kind":"arxiv","id":"1601.04741","version":1},"attestation_state":"computed","paper":{"title":"Topologically-protected metallic states induced by a one-dimensional extended defect in a 2D topological insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.other","quant-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"E. N. Lima, R. W. Nunes, T. M. Schmidt","submitted_at":"2016-01-18T22:13:34Z","abstract_excerpt":"We report ab initio calculations showing that a single one-dimensional extended defect can originate topologically-protected metallic states in the bulk of two-dimensional topological insulators. We find that a narrow extended defect composed of periodic units consisting of one octogonal and two pentagonal rings embedded in the hexagonal bulk of a bismuth bilayer introduces two pairs of one-dimensional Dirac-fermion states with opposite spin-momentum locking. Although both Dirac pairs are localized along the extended-defect core, their interactions are screened due to the trivial topological n"},"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":"1601.04741","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-01-18T22:13:34Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.other","quant-ph"],"title_canon_sha256":"0d289706194368998b272a6f71f5d81310144373c36dd3a7ddb6039061f4f131","abstract_canon_sha256":"c5c17aab786c427dd00b3cffad7d648195686ea09b78aeb12f5f525d37359177"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:18.614518Z","signature_b64":"U88zpWjk5ADJDUxciVaJ3lXb7oa2W1rDCSwRDgmF0MyqbT1HTxDCCpRWV4g+sYCWy5Tn6SPai1ZSS3Hx6U5gDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf34fa394731b7c93f1dc9cc880d201f1cff735e0bb0fba6f289996444d78115","last_reissued_at":"2026-05-18T01:08:18.613876Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:18.613876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Topologically-protected metallic states induced by a one-dimensional extended defect in a 2D topological insulator","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.other","quant-ph"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"E. N. Lima, R. W. Nunes, T. M. Schmidt","submitted_at":"2016-01-18T22:13:34Z","abstract_excerpt":"We report ab initio calculations showing that a single one-dimensional extended defect can originate topologically-protected metallic states in the bulk of two-dimensional topological insulators. We find that a narrow extended defect composed of periodic units consisting of one octogonal and two pentagonal rings embedded in the hexagonal bulk of a bismuth bilayer introduces two pairs of one-dimensional Dirac-fermion states with opposite spin-momentum locking. Although both Dirac pairs are localized along the extended-defect core, their interactions are screened due to the trivial topological n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.04741","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":"1601.04741","created_at":"2026-05-18T01:08:18.613963+00:00"},{"alias_kind":"arxiv_version","alias_value":"1601.04741v1","created_at":"2026-05-18T01:08:18.613963+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.04741","created_at":"2026-05-18T01:08:18.613963+00:00"},{"alias_kind":"pith_short_12","alias_value":"X42PUOKHGG34","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"X42PUOKHGG34SPY5","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"X42PUOKH","created_at":"2026-05-18T12:30:51.357362+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/X42PUOKHGG34SPY5ZHGIQDJAD4","json":"https://pith.science/pith/X42PUOKHGG34SPY5ZHGIQDJAD4.json","graph_json":"https://pith.science/api/pith-number/X42PUOKHGG34SPY5ZHGIQDJAD4/graph.json","events_json":"https://pith.science/api/pith-number/X42PUOKHGG34SPY5ZHGIQDJAD4/events.json","paper":"https://pith.science/paper/X42PUOKH"},"agent_actions":{"view_html":"https://pith.science/pith/X42PUOKHGG34SPY5ZHGIQDJAD4","download_json":"https://pith.science/pith/X42PUOKHGG34SPY5ZHGIQDJAD4.json","view_paper":"https://pith.science/paper/X42PUOKH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1601.04741&json=true","fetch_graph":"https://pith.science/api/pith-number/X42PUOKHGG34SPY5ZHGIQDJAD4/graph.json","fetch_events":"https://pith.science/api/pith-number/X42PUOKHGG34SPY5ZHGIQDJAD4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X42PUOKHGG34SPY5ZHGIQDJAD4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X42PUOKHGG34SPY5ZHGIQDJAD4/action/storage_attestation","attest_author":"https://pith.science/pith/X42PUOKHGG34SPY5ZHGIQDJAD4/action/author_attestation","sign_citation":"https://pith.science/pith/X42PUOKHGG34SPY5ZHGIQDJAD4/action/citation_signature","submit_replication":"https://pith.science/pith/X42PUOKHGG34SPY5ZHGIQDJAD4/action/replication_record"}},"created_at":"2026-05-18T01:08:18.613963+00:00","updated_at":"2026-05-18T01:08:18.613963+00:00"}