{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:AVV6TAIEL2DDLII2GD3HREOVKO","short_pith_number":"pith:AVV6TAIE","schema_version":"1.0","canonical_sha256":"056be981045e8635a11a30f67891d553a559429c7c2f8be0cde7dcc0e9c830bf","source":{"kind":"arxiv","id":"2608.05003","version":1},"attestation_state":"computed","paper":{"title":"Universal linear manipulation via routing and projective measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alessio Baldazzi, Lorenzo Pavesi, Sonia Mazzucchi","submitted_at":"2026-08-05T16:10:51Z","abstract_excerpt":"Multiport interferometers with $N$ ports are basic devices in both classical and quantum photonics. Ideally, they implement a linear unitary transformation between the input and output electric field vectors with $N$ components, each associated with a spatial mode of classical coherent light or a single photon. Standard designs for a fully reconfigurable universal multiport interferometer are given by the Reck or the Clements schemes. In this work, we introduce routing schemes to implement a generic unitary transformation on classical coherent light or single photons using linear or tree geome"},"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":"2608.05003","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-08-05T16:10:51Z","cross_cats_sorted":[],"title_canon_sha256":"839150eb200b977b8af020e356c57b7e218e60c7bb601fd90d711d705b64303c","abstract_canon_sha256":"3269df4dd31e1df22f4ba9db0f8add75294784105a4598c913fe4ecf4e6cbfca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-06T01:48:01.944980Z","signature_b64":"XqZf4VyrurwF7JNrCHcq4lZTB5mGjoLRk43saMlW6pBa/I61GnMmuFUDmmVSIGhW/Esg4qjfaTSgleM9Vz9EDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"056be981045e8635a11a30f67891d553a559429c7c2f8be0cde7dcc0e9c830bf","last_reissued_at":"2026-08-06T01:48:01.943453Z","signature_status":"signed_v1","first_computed_at":"2026-08-06T01:48:01.943453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Universal linear manipulation via routing and projective measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alessio Baldazzi, Lorenzo Pavesi, Sonia Mazzucchi","submitted_at":"2026-08-05T16:10:51Z","abstract_excerpt":"Multiport interferometers with $N$ ports are basic devices in both classical and quantum photonics. Ideally, they implement a linear unitary transformation between the input and output electric field vectors with $N$ components, each associated with a spatial mode of classical coherent light or a single photon. Standard designs for a fully reconfigurable universal multiport interferometer are given by the Reck or the Clements schemes. In this work, we introduce routing schemes to implement a generic unitary transformation on classical coherent light or single photons using linear or tree geome"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.05003","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/2608.05003/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":"2608.05003","created_at":"2026-08-06T01:48:01.945386+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.05003v1","created_at":"2026-08-06T01:48:01.945386+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.05003","created_at":"2026-08-06T01:48:01.945386+00:00"},{"alias_kind":"pith_short_12","alias_value":"AVV6TAIEL2DD","created_at":"2026-08-06T01:48:01.945386+00:00"},{"alias_kind":"pith_short_16","alias_value":"AVV6TAIEL2DDLII2","created_at":"2026-08-06T01:48:01.945386+00:00"},{"alias_kind":"pith_short_8","alias_value":"AVV6TAIE","created_at":"2026-08-06T01:48:01.945386+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/AVV6TAIEL2DDLII2GD3HREOVKO","json":"https://pith.science/pith/AVV6TAIEL2DDLII2GD3HREOVKO.json","graph_json":"https://pith.science/api/pith-number/AVV6TAIEL2DDLII2GD3HREOVKO/graph.json","events_json":"https://pith.science/api/pith-number/AVV6TAIEL2DDLII2GD3HREOVKO/events.json","paper":"https://pith.science/paper/AVV6TAIE"},"agent_actions":{"view_html":"https://pith.science/pith/AVV6TAIEL2DDLII2GD3HREOVKO","download_json":"https://pith.science/pith/AVV6TAIEL2DDLII2GD3HREOVKO.json","view_paper":"https://pith.science/paper/AVV6TAIE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.05003&json=true","fetch_graph":"https://pith.science/api/pith-number/AVV6TAIEL2DDLII2GD3HREOVKO/graph.json","fetch_events":"https://pith.science/api/pith-number/AVV6TAIEL2DDLII2GD3HREOVKO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AVV6TAIEL2DDLII2GD3HREOVKO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AVV6TAIEL2DDLII2GD3HREOVKO/action/storage_attestation","attest_author":"https://pith.science/pith/AVV6TAIEL2DDLII2GD3HREOVKO/action/author_attestation","sign_citation":"https://pith.science/pith/AVV6TAIEL2DDLII2GD3HREOVKO/action/citation_signature","submit_replication":"https://pith.science/pith/AVV6TAIEL2DDLII2GD3HREOVKO/action/replication_record"}},"created_at":"2026-08-06T01:48:01.945386+00:00","updated_at":"2026-08-06T01:48:01.945386+00:00"}