{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:KD6XYUL4CTAPNJUWCLU3NMYNJ3","short_pith_number":"pith:KD6XYUL4","schema_version":"1.0","canonical_sha256":"50fd7c517c14c0f6a69612e9b6b30d4ee324953c098e85bc9030a6ad8df1648f","source":{"kind":"arxiv","id":"1904.00862","version":1},"attestation_state":"computed","paper":{"title":"Observation of Local Symmetry in a Photonic System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Alexander Szameit, Christian V. Morfonios, Malte R\\\"ontgen, Matthias Heinrich, Nora Schmitt, Peter Schmelcher, Steffen Weimann","submitted_at":"2019-04-01T14:04:13Z","abstract_excerpt":"The concept of local symmetry is a powerful tool in predicting complex transport phenomena in aperiodic media. A nonlocal continuity formalism reveals how local symmetries are encoded into the dynamics of light propagation in discrete waveguide arrays governed by a Schr\\\"odinger equation. However, the experimental demonstration is elusive so far. We fabricate representative examples of locally symmetric, globally symmetric and fully non-symmetric configurations in fs laser-written photonic arrays and probe their dynamics. Our approach allows to distinguish all three types of structures."},"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":"1904.00862","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2019-04-01T14:04:13Z","cross_cats_sorted":[],"title_canon_sha256":"8768c6822ee5eae24ee6c9ac557f54334b6d8d3e3f70556b9158c7d27943a866","abstract_canon_sha256":"00afa1a21d0372b035dff3f970ee621ce38c90fdc2d5a6e99138a5ef8f38b3df"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:45.288033Z","signature_b64":"dPqiJDfCRwunPDWr13CbsIb/OC4895GasetT2oN5XjFpoDQcov6CvMt7WK62iq6vRkjYvltOkqkPfGWn9nw/BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50fd7c517c14c0f6a69612e9b6b30d4ee324953c098e85bc9030a6ad8df1648f","last_reissued_at":"2026-05-17T23:49:45.287413Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:45.287413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Observation of Local Symmetry in a Photonic System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Alexander Szameit, Christian V. Morfonios, Malte R\\\"ontgen, Matthias Heinrich, Nora Schmitt, Peter Schmelcher, Steffen Weimann","submitted_at":"2019-04-01T14:04:13Z","abstract_excerpt":"The concept of local symmetry is a powerful tool in predicting complex transport phenomena in aperiodic media. A nonlocal continuity formalism reveals how local symmetries are encoded into the dynamics of light propagation in discrete waveguide arrays governed by a Schr\\\"odinger equation. However, the experimental demonstration is elusive so far. We fabricate representative examples of locally symmetric, globally symmetric and fully non-symmetric configurations in fs laser-written photonic arrays and probe their dynamics. Our approach allows to distinguish all three types of structures."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.00862","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":"1904.00862","created_at":"2026-05-17T23:49:45.287529+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.00862v1","created_at":"2026-05-17T23:49:45.287529+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.00862","created_at":"2026-05-17T23:49:45.287529+00:00"},{"alias_kind":"pith_short_12","alias_value":"KD6XYUL4CTAP","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_16","alias_value":"KD6XYUL4CTAPNJUW","created_at":"2026-05-18T12:33:21.387695+00:00"},{"alias_kind":"pith_short_8","alias_value":"KD6XYUL4","created_at":"2026-05-18T12:33:21.387695+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/KD6XYUL4CTAPNJUWCLU3NMYNJ3","json":"https://pith.science/pith/KD6XYUL4CTAPNJUWCLU3NMYNJ3.json","graph_json":"https://pith.science/api/pith-number/KD6XYUL4CTAPNJUWCLU3NMYNJ3/graph.json","events_json":"https://pith.science/api/pith-number/KD6XYUL4CTAPNJUWCLU3NMYNJ3/events.json","paper":"https://pith.science/paper/KD6XYUL4"},"agent_actions":{"view_html":"https://pith.science/pith/KD6XYUL4CTAPNJUWCLU3NMYNJ3","download_json":"https://pith.science/pith/KD6XYUL4CTAPNJUWCLU3NMYNJ3.json","view_paper":"https://pith.science/paper/KD6XYUL4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.00862&json=true","fetch_graph":"https://pith.science/api/pith-number/KD6XYUL4CTAPNJUWCLU3NMYNJ3/graph.json","fetch_events":"https://pith.science/api/pith-number/KD6XYUL4CTAPNJUWCLU3NMYNJ3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KD6XYUL4CTAPNJUWCLU3NMYNJ3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KD6XYUL4CTAPNJUWCLU3NMYNJ3/action/storage_attestation","attest_author":"https://pith.science/pith/KD6XYUL4CTAPNJUWCLU3NMYNJ3/action/author_attestation","sign_citation":"https://pith.science/pith/KD6XYUL4CTAPNJUWCLU3NMYNJ3/action/citation_signature","submit_replication":"https://pith.science/pith/KD6XYUL4CTAPNJUWCLU3NMYNJ3/action/replication_record"}},"created_at":"2026-05-17T23:49:45.287529+00:00","updated_at":"2026-05-17T23:49:45.287529+00:00"}