{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:TZAWC3IKYS35ATQFYRSTY5L6MS","short_pith_number":"pith:TZAWC3IK","schema_version":"1.0","canonical_sha256":"9e41616d0ac4b7d04e05c4653c757e64a85c40b2a67b0cc6ec043fbec223804f","source":{"kind":"arxiv","id":"1807.04141","version":3},"attestation_state":"computed","paper":{"title":"Splitting the hinge mode of higher-order topological insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"Ady Stern, Raquel Queiroz","submitted_at":"2018-07-11T13:57:15Z","abstract_excerpt":"The surface of a higher order topological insulator (HOTI) comprises a two-dimensional topological insulator (TI) with broken inversion symmetry, whose mass is determined by the microscopic details of the surface such as surface potentials and termination. It hosts a helical mode pinned to selected hinges where the surface gap changes its sign. We study the effect of perturbations that break time-reversal and particle-conservation on this helical mode, such as a Zeeman field and a proximate superconductor. We find that in contrast to the helical modes of inversion symmetric TIs, which are gapp"},"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":"1807.04141","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-07-11T13:57:15Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.supr-con"],"title_canon_sha256":"039e5d6ba86f2e4301445321802e65d8d0a928017339620a719c5e992dabdea2","abstract_canon_sha256":"d451714dbdbfa64981bf766db14b4650e7356ae3e1afb9b12735a939881fa811"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:39:48.781069Z","signature_b64":"6vLBY8q4cjBTixyZPnl7t3cw0kJ0O+1zkXjHsG6NziDdVi1b04J5H8n9T8reSrxY1sXa/0WV9gSIfh7oivySBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9e41616d0ac4b7d04e05c4653c757e64a85c40b2a67b0cc6ec043fbec223804f","last_reissued_at":"2026-05-17T23:39:48.780452Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:39:48.780452Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Splitting the hinge mode of higher-order topological insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"Ady Stern, Raquel Queiroz","submitted_at":"2018-07-11T13:57:15Z","abstract_excerpt":"The surface of a higher order topological insulator (HOTI) comprises a two-dimensional topological insulator (TI) with broken inversion symmetry, whose mass is determined by the microscopic details of the surface such as surface potentials and termination. It hosts a helical mode pinned to selected hinges where the surface gap changes its sign. We study the effect of perturbations that break time-reversal and particle-conservation on this helical mode, such as a Zeeman field and a proximate superconductor. We find that in contrast to the helical modes of inversion symmetric TIs, which are gapp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04141","kind":"arxiv","version":3},"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":"1807.04141","created_at":"2026-05-17T23:39:48.780551+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.04141v3","created_at":"2026-05-17T23:39:48.780551+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04141","created_at":"2026-05-17T23:39:48.780551+00:00"},{"alias_kind":"pith_short_12","alias_value":"TZAWC3IKYS35","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_16","alias_value":"TZAWC3IKYS35ATQF","created_at":"2026-05-18T12:32:56.356000+00:00"},{"alias_kind":"pith_short_8","alias_value":"TZAWC3IK","created_at":"2026-05-18T12:32:56.356000+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1906.10133","citing_title":"Observation of a Majorana zero mode in a topologically protected edge channel","ref_index":28,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/TZAWC3IKYS35ATQFYRSTY5L6MS","json":"https://pith.science/pith/TZAWC3IKYS35ATQFYRSTY5L6MS.json","graph_json":"https://pith.science/api/pith-number/TZAWC3IKYS35ATQFYRSTY5L6MS/graph.json","events_json":"https://pith.science/api/pith-number/TZAWC3IKYS35ATQFYRSTY5L6MS/events.json","paper":"https://pith.science/paper/TZAWC3IK"},"agent_actions":{"view_html":"https://pith.science/pith/TZAWC3IKYS35ATQFYRSTY5L6MS","download_json":"https://pith.science/pith/TZAWC3IKYS35ATQFYRSTY5L6MS.json","view_paper":"https://pith.science/paper/TZAWC3IK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.04141&json=true","fetch_graph":"https://pith.science/api/pith-number/TZAWC3IKYS35ATQFYRSTY5L6MS/graph.json","fetch_events":"https://pith.science/api/pith-number/TZAWC3IKYS35ATQFYRSTY5L6MS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/TZAWC3IKYS35ATQFYRSTY5L6MS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/TZAWC3IKYS35ATQFYRSTY5L6MS/action/storage_attestation","attest_author":"https://pith.science/pith/TZAWC3IKYS35ATQFYRSTY5L6MS/action/author_attestation","sign_citation":"https://pith.science/pith/TZAWC3IKYS35ATQFYRSTY5L6MS/action/citation_signature","submit_replication":"https://pith.science/pith/TZAWC3IKYS35ATQFYRSTY5L6MS/action/replication_record"}},"created_at":"2026-05-17T23:39:48.780551+00:00","updated_at":"2026-05-17T23:39:48.780551+00:00"}