{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:63PISG6YQ5BHY4J4VOTRQSJVOW","short_pith_number":"pith:63PISG6Y","schema_version":"1.0","canonical_sha256":"f6de891bd887427c713caba71849357591ae96eadc1159812f3bfd2069b5e0bf","source":{"kind":"arxiv","id":"1901.00346","version":1},"attestation_state":"computed","paper":{"title":"Topological non-Hermitian origin of surface Maxwell waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.optics","authors_text":"Daniel Leykam, Franco Nori, Konstantin Y. Bliokh, Max Lein","submitted_at":"2019-01-02T12:49:44Z","abstract_excerpt":"Maxwell electromagnetism, describing the wave properties of light, was formulated 150 years ago. More than 60 years ago it was shown that interfaces between optical media (including dielectrics, metals, negative-index materials) can support surface electromagnetic waves, which now play crucial roles in plasmonics, metamaterials, and nano-photonics. Here we show that surface Maxwell waves at interfaces between homogeneous, isotropic media described by real permittivities and permeabilities have a purely topological origin explained by the bulk-boundary correspondence. Importantly, the topologic"},"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":"1901.00346","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-01-02T12:49:44Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"75cd34cd7c2738f8f672a16437eaa8f78d19fb1b5f9567eb2fd137a99bb77d6f","abstract_canon_sha256":"104eaef76fc96c44b85e1772b311a1d022cc410d7a579d3ceea68539ab1d56aa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:21.883080Z","signature_b64":"2qs+3WOLwSHUpJjuz9zVZyicf15P3bSC77XRydGRekDNR7Q8EUvvlzLfaHk+p2syKJlYG4Hpvc40h0qjl4LIBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6de891bd887427c713caba71849357591ae96eadc1159812f3bfd2069b5e0bf","last_reissued_at":"2026-05-17T23:44:21.882401Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:21.882401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Topological non-Hermitian origin of surface Maxwell waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.optics","authors_text":"Daniel Leykam, Franco Nori, Konstantin Y. Bliokh, Max Lein","submitted_at":"2019-01-02T12:49:44Z","abstract_excerpt":"Maxwell electromagnetism, describing the wave properties of light, was formulated 150 years ago. More than 60 years ago it was shown that interfaces between optical media (including dielectrics, metals, negative-index materials) can support surface electromagnetic waves, which now play crucial roles in plasmonics, metamaterials, and nano-photonics. Here we show that surface Maxwell waves at interfaces between homogeneous, isotropic media described by real permittivities and permeabilities have a purely topological origin explained by the bulk-boundary correspondence. Importantly, the topologic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.00346","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":"1901.00346","created_at":"2026-05-17T23:44:21.882519+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.00346v1","created_at":"2026-05-17T23:44:21.882519+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.00346","created_at":"2026-05-17T23:44:21.882519+00:00"},{"alias_kind":"pith_short_12","alias_value":"63PISG6YQ5BH","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_16","alias_value":"63PISG6YQ5BHY4J4","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_8","alias_value":"63PISG6Y","created_at":"2026-05-18T12:33:10.108867+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/63PISG6YQ5BHY4J4VOTRQSJVOW","json":"https://pith.science/pith/63PISG6YQ5BHY4J4VOTRQSJVOW.json","graph_json":"https://pith.science/api/pith-number/63PISG6YQ5BHY4J4VOTRQSJVOW/graph.json","events_json":"https://pith.science/api/pith-number/63PISG6YQ5BHY4J4VOTRQSJVOW/events.json","paper":"https://pith.science/paper/63PISG6Y"},"agent_actions":{"view_html":"https://pith.science/pith/63PISG6YQ5BHY4J4VOTRQSJVOW","download_json":"https://pith.science/pith/63PISG6YQ5BHY4J4VOTRQSJVOW.json","view_paper":"https://pith.science/paper/63PISG6Y","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.00346&json=true","fetch_graph":"https://pith.science/api/pith-number/63PISG6YQ5BHY4J4VOTRQSJVOW/graph.json","fetch_events":"https://pith.science/api/pith-number/63PISG6YQ5BHY4J4VOTRQSJVOW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/63PISG6YQ5BHY4J4VOTRQSJVOW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/63PISG6YQ5BHY4J4VOTRQSJVOW/action/storage_attestation","attest_author":"https://pith.science/pith/63PISG6YQ5BHY4J4VOTRQSJVOW/action/author_attestation","sign_citation":"https://pith.science/pith/63PISG6YQ5BHY4J4VOTRQSJVOW/action/citation_signature","submit_replication":"https://pith.science/pith/63PISG6YQ5BHY4J4VOTRQSJVOW/action/replication_record"}},"created_at":"2026-05-17T23:44:21.882519+00:00","updated_at":"2026-05-17T23:44:21.882519+00:00"}