{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:VTB6NAUTYW3IPXGTTA272XV7RM","short_pith_number":"pith:VTB6NAUT","schema_version":"1.0","canonical_sha256":"acc3e68293c5b687dcd39835fd5ebf8b10f79d22ae90a878e0f5d44a95361f81","source":{"kind":"arxiv","id":"2210.12178","version":1},"attestation_state":"computed","paper":{"title":"Non-Hermitian boundary spectral winding","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Linhu Li, Yucheng Wang, Zuxuan Ou","submitted_at":"2022-10-21T18:11:01Z","abstract_excerpt":"Spectral winding of complex eigenenergies represents a topological aspect unique in non-Hermitian systems, which vanishes in one-dimensional (1D) systems under the open boundary conditions (OBC). In this work, we discover a boundary spectral winding in two-dimensional non-Hermitian systems under the OBC, originating from the interplay between Hermitian boundary localization and non-Hermitian non-reciprocal pumping. Such a nontrivial boundary topology is demonstrated in a non-Hermitian breathing Kagome model with a triangle geometry, whose 1D boundary mimics a 1D non-Hermitian system under the "},"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":"2210.12178","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-10-21T18:11:01Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"ca1798790febff045057e975baeb3ce2dc3a6d3a2dc429243bdb015777e8d955","abstract_canon_sha256":"71cc52ed996819bc08124cc301bae49ae138bbc07acabec7fb2d977850a91dc9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:01:14.105638Z","signature_b64":"/1iTqw++x15BsBNeilaQ4WMofbewDIHgSUPAmbZjRFA79yrHr+ItxGSLCLsINrNWWY2yLYRbKyI7N+sGOA8AAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"acc3e68293c5b687dcd39835fd5ebf8b10f79d22ae90a878e0f5d44a95361f81","last_reissued_at":"2026-07-05T06:01:14.105139Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:01:14.105139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Non-Hermitian boundary spectral winding","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Linhu Li, Yucheng Wang, Zuxuan Ou","submitted_at":"2022-10-21T18:11:01Z","abstract_excerpt":"Spectral winding of complex eigenenergies represents a topological aspect unique in non-Hermitian systems, which vanishes in one-dimensional (1D) systems under the open boundary conditions (OBC). In this work, we discover a boundary spectral winding in two-dimensional non-Hermitian systems under the OBC, originating from the interplay between Hermitian boundary localization and non-Hermitian non-reciprocal pumping. Such a nontrivial boundary topology is demonstrated in a non-Hermitian breathing Kagome model with a triangle geometry, whose 1D boundary mimics a 1D non-Hermitian system under the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.12178","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2210.12178/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2210.12178","created_at":"2026-07-05T06:01:14.105196+00:00"},{"alias_kind":"arxiv_version","alias_value":"2210.12178v1","created_at":"2026-07-05T06:01:14.105196+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.12178","created_at":"2026-07-05T06:01:14.105196+00:00"},{"alias_kind":"pith_short_12","alias_value":"VTB6NAUTYW3I","created_at":"2026-07-05T06:01:14.105196+00:00"},{"alias_kind":"pith_short_16","alias_value":"VTB6NAUTYW3IPXGT","created_at":"2026-07-05T06:01:14.105196+00:00"},{"alias_kind":"pith_short_8","alias_value":"VTB6NAUT","created_at":"2026-07-05T06:01:14.105196+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/VTB6NAUTYW3IPXGTTA272XV7RM","json":"https://pith.science/pith/VTB6NAUTYW3IPXGTTA272XV7RM.json","graph_json":"https://pith.science/api/pith-number/VTB6NAUTYW3IPXGTTA272XV7RM/graph.json","events_json":"https://pith.science/api/pith-number/VTB6NAUTYW3IPXGTTA272XV7RM/events.json","paper":"https://pith.science/paper/VTB6NAUT"},"agent_actions":{"view_html":"https://pith.science/pith/VTB6NAUTYW3IPXGTTA272XV7RM","download_json":"https://pith.science/pith/VTB6NAUTYW3IPXGTTA272XV7RM.json","view_paper":"https://pith.science/paper/VTB6NAUT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2210.12178&json=true","fetch_graph":"https://pith.science/api/pith-number/VTB6NAUTYW3IPXGTTA272XV7RM/graph.json","fetch_events":"https://pith.science/api/pith-number/VTB6NAUTYW3IPXGTTA272XV7RM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VTB6NAUTYW3IPXGTTA272XV7RM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VTB6NAUTYW3IPXGTTA272XV7RM/action/storage_attestation","attest_author":"https://pith.science/pith/VTB6NAUTYW3IPXGTTA272XV7RM/action/author_attestation","sign_citation":"https://pith.science/pith/VTB6NAUTYW3IPXGTTA272XV7RM/action/citation_signature","submit_replication":"https://pith.science/pith/VTB6NAUTYW3IPXGTTA272XV7RM/action/replication_record"}},"created_at":"2026-07-05T06:01:14.105196+00:00","updated_at":"2026-07-05T06:01:14.105196+00:00"}