{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:IFY55WX7BJ4KNS675URNJBXKYA","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"513a593d5fc8cf4e241d23db473a4f2c536dd3430f5022efdce6da79c9139d69","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-02-11T13:23:44Z","title_canon_sha256":"2a6745ed76fcca996999abb6fd836a4ae3414add61d4481331ad965e78c268e7"},"schema_version":"1.0","source":{"id":"1302.2475","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.2475","created_at":"2026-05-18T03:06:03Z"},{"alias_kind":"arxiv_version","alias_value":"1302.2475v1","created_at":"2026-05-18T03:06:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.2475","created_at":"2026-05-18T03:06:03Z"},{"alias_kind":"pith_short_12","alias_value":"IFY55WX7BJ4K","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"IFY55WX7BJ4KNS67","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"IFY55WX7","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:fa53f998cfcf7ff034820304c2c2e02f947308b804700e052c4c5887818968e4","target":"graph","created_at":"2026-05-18T03:06:03Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Using coherent states and linear optics, we demonstrate the synthesis of arbitrary interference patterns and establish that neither the shape nor the visibility of N-photon interference patterns can be used as a quantum signature in general. Specific examples include saw-curve and rectangle curve interference patterns, and phase super-resolution with period shortening of up to 60 times compared to ordinary interference. The former two with a visibility close to 100 % and the latter with a visibility in excess of 57 %.","authors_text":"Gunnar Bj\\\"ork, Marcin Swillo, Saroosh Shabbir","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-02-11T13:23:44Z","title":"Synthesis of arbitrary, two-mode, high visibility N-photon interference patterns"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.2475","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:2f6bb2197c337a8d3d1f26ae1cd6e8f6eb77415a18dc166dbf55c621c83c80ba","target":"record","created_at":"2026-05-18T03:06:03Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"513a593d5fc8cf4e241d23db473a4f2c536dd3430f5022efdce6da79c9139d69","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-02-11T13:23:44Z","title_canon_sha256":"2a6745ed76fcca996999abb6fd836a4ae3414add61d4481331ad965e78c268e7"},"schema_version":"1.0","source":{"id":"1302.2475","kind":"arxiv","version":1}},"canonical_sha256":"4171dedaff0a78a6cbdfed22d486eac01371a810e96243edd66bc70c2429a7ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4171dedaff0a78a6cbdfed22d486eac01371a810e96243edd66bc70c2429a7ce","first_computed_at":"2026-05-18T03:06:03.446635Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:06:03.446635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yaJ79q4o3ieGtvlefnpXf6sebGdu8XTZfNazqnzhgggZC7zFgZJn6uqYSJryLuUTUm0iW2a4ngOi125VM+SbCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:06:03.447047Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.2475","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2f6bb2197c337a8d3d1f26ae1cd6e8f6eb77415a18dc166dbf55c621c83c80ba","sha256:fa53f998cfcf7ff034820304c2c2e02f947308b804700e052c4c5887818968e4"],"state_sha256":"6f7031bb6db5ddc78e9154add94c2e1ae54c14ea1218ef4cb2c5f9bc96aee2ba"}