{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:6UZ2RTN3CIU2USB5PYFUZOS77X","short_pith_number":"pith:6UZ2RTN3","schema_version":"1.0","canonical_sha256":"f533a8cdbb1229aa483d7e0b4cba5ffdf2942e9274cab54ab34887c4d30aba9c","source":{"kind":"arxiv","id":"1502.06552","version":2},"attestation_state":"computed","paper":{"title":"Projective filtering of a single spatial radiation eigenmode","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. M. P\\'erez, F. M. Miatto, G. Leuchs, M. V. Chekhova, O. V. Tikhonova, P. R. Sharapova, S. S. Straupe","submitted_at":"2015-02-23T19:06:20Z","abstract_excerpt":"Lossless filtering of a single coherent (Schmidt) mode from spatially multimode radiation is a problem crucial for optics in general and for quantum optics in particular. It becomes especially important in the case of nonclassical light that is fragile to optical losses. An example is bright squeezed vacuum generated via high-gain parametric down conversion or four-wave mixing. Its highly multiphoton and multimode structure offers a huge increase in the information capacity provided that each mode can be addressed separately. However, the nonclassical signature of bright squeezed vacuum, photo"},"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":"1502.06552","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-02-23T19:06:20Z","cross_cats_sorted":[],"title_canon_sha256":"05f79c97559530b01ed7f85bf757d2239397604bb28e25af5bc88293ef550a22","abstract_canon_sha256":"b52904e4281cec46448bbe8eaa6621fd480919c64d3dd4ee2864a3d9b7abf2a7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:25:01.753581Z","signature_b64":"kZZVMhmNqaY/hQjhP07he6/1tSuCDA04k/1NMhImcFxhh5u5iDrhM4UN3wtEGzuZ87NB8QSRQ6bFN+Ly4zWGDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f533a8cdbb1229aa483d7e0b4cba5ffdf2942e9274cab54ab34887c4d30aba9c","last_reissued_at":"2026-05-18T01:25:01.752868Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:25:01.752868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Projective filtering of a single spatial radiation eigenmode","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. M. P\\'erez, F. M. Miatto, G. Leuchs, M. V. Chekhova, O. V. Tikhonova, P. R. Sharapova, S. S. Straupe","submitted_at":"2015-02-23T19:06:20Z","abstract_excerpt":"Lossless filtering of a single coherent (Schmidt) mode from spatially multimode radiation is a problem crucial for optics in general and for quantum optics in particular. It becomes especially important in the case of nonclassical light that is fragile to optical losses. An example is bright squeezed vacuum generated via high-gain parametric down conversion or four-wave mixing. Its highly multiphoton and multimode structure offers a huge increase in the information capacity provided that each mode can be addressed separately. However, the nonclassical signature of bright squeezed vacuum, photo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.06552","kind":"arxiv","version":2},"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":"1502.06552","created_at":"2026-05-18T01:25:01.752971+00:00"},{"alias_kind":"arxiv_version","alias_value":"1502.06552v2","created_at":"2026-05-18T01:25:01.752971+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.06552","created_at":"2026-05-18T01:25:01.752971+00:00"},{"alias_kind":"pith_short_12","alias_value":"6UZ2RTN3CIU2","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_16","alias_value":"6UZ2RTN3CIU2USB5","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_8","alias_value":"6UZ2RTN3","created_at":"2026-05-18T12:29:07.941421+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/6UZ2RTN3CIU2USB5PYFUZOS77X","json":"https://pith.science/pith/6UZ2RTN3CIU2USB5PYFUZOS77X.json","graph_json":"https://pith.science/api/pith-number/6UZ2RTN3CIU2USB5PYFUZOS77X/graph.json","events_json":"https://pith.science/api/pith-number/6UZ2RTN3CIU2USB5PYFUZOS77X/events.json","paper":"https://pith.science/paper/6UZ2RTN3"},"agent_actions":{"view_html":"https://pith.science/pith/6UZ2RTN3CIU2USB5PYFUZOS77X","download_json":"https://pith.science/pith/6UZ2RTN3CIU2USB5PYFUZOS77X.json","view_paper":"https://pith.science/paper/6UZ2RTN3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1502.06552&json=true","fetch_graph":"https://pith.science/api/pith-number/6UZ2RTN3CIU2USB5PYFUZOS77X/graph.json","fetch_events":"https://pith.science/api/pith-number/6UZ2RTN3CIU2USB5PYFUZOS77X/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6UZ2RTN3CIU2USB5PYFUZOS77X/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6UZ2RTN3CIU2USB5PYFUZOS77X/action/storage_attestation","attest_author":"https://pith.science/pith/6UZ2RTN3CIU2USB5PYFUZOS77X/action/author_attestation","sign_citation":"https://pith.science/pith/6UZ2RTN3CIU2USB5PYFUZOS77X/action/citation_signature","submit_replication":"https://pith.science/pith/6UZ2RTN3CIU2USB5PYFUZOS77X/action/replication_record"}},"created_at":"2026-05-18T01:25:01.752971+00:00","updated_at":"2026-05-18T01:25:01.752971+00:00"}