{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:HBWU4DOGCTFC6MXOK2HPKLYQAE","short_pith_number":"pith:HBWU4DOG","schema_version":"1.0","canonical_sha256":"386d4e0dc614ca2f32ee568ef52f100108b08fa15394abb1ca29b206919e276d","source":{"kind":"arxiv","id":"1007.0505","version":2},"attestation_state":"computed","paper":{"title":"Programmable purification of type-I polarization-entanglement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Davide Brivio, Matteo G A Paris, Simone Cialdi","submitted_at":"2010-07-03T17:57:07Z","abstract_excerpt":"We suggest and demonstrate a scheme to compensate spatial and spectral decoherence effects in the generation of polarization entangled states by type-I parametric downconversion. In our device a programmable spatial light modulator imposes a polarization dependent phase-shift on different spatial sections of the overall downconversion output and this effect is exploited to realize an effective purification technique for polarization entanglement."},"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":"1007.0505","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-07-03T17:57:07Z","cross_cats_sorted":[],"title_canon_sha256":"b76f5a3fe15e6f0c01cc1e72d20687991e4b3fbb90047617562c0ddea45fb7ef","abstract_canon_sha256":"4ca51c9dec4caf6a7497841827ad9b9e1540cbb1a43394ffc668bbb86beed4e6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:32.701014Z","signature_b64":"OVIfZLr3bJttxTXC08cIqAOHhYGH5G6mihwsdZ2SKJVlmAPM0kkvvb2zXRfHyUi8Q+WIZM2gU1mEUJ/id1QzDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"386d4e0dc614ca2f32ee568ef52f100108b08fa15394abb1ca29b206919e276d","last_reissued_at":"2026-05-18T02:06:32.700462Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:32.700462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Programmable purification of type-I polarization-entanglement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Davide Brivio, Matteo G A Paris, Simone Cialdi","submitted_at":"2010-07-03T17:57:07Z","abstract_excerpt":"We suggest and demonstrate a scheme to compensate spatial and spectral decoherence effects in the generation of polarization entangled states by type-I parametric downconversion. In our device a programmable spatial light modulator imposes a polarization dependent phase-shift on different spatial sections of the overall downconversion output and this effect is exploited to realize an effective purification technique for polarization entanglement."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.0505","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":"1007.0505","created_at":"2026-05-18T02:06:32.700547+00:00"},{"alias_kind":"arxiv_version","alias_value":"1007.0505v2","created_at":"2026-05-18T02:06:32.700547+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.0505","created_at":"2026-05-18T02:06:32.700547+00:00"},{"alias_kind":"pith_short_12","alias_value":"HBWU4DOGCTFC","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_16","alias_value":"HBWU4DOGCTFC6MXO","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_8","alias_value":"HBWU4DOG","created_at":"2026-05-18T12:26:07.630475+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/HBWU4DOGCTFC6MXOK2HPKLYQAE","json":"https://pith.science/pith/HBWU4DOGCTFC6MXOK2HPKLYQAE.json","graph_json":"https://pith.science/api/pith-number/HBWU4DOGCTFC6MXOK2HPKLYQAE/graph.json","events_json":"https://pith.science/api/pith-number/HBWU4DOGCTFC6MXOK2HPKLYQAE/events.json","paper":"https://pith.science/paper/HBWU4DOG"},"agent_actions":{"view_html":"https://pith.science/pith/HBWU4DOGCTFC6MXOK2HPKLYQAE","download_json":"https://pith.science/pith/HBWU4DOGCTFC6MXOK2HPKLYQAE.json","view_paper":"https://pith.science/paper/HBWU4DOG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1007.0505&json=true","fetch_graph":"https://pith.science/api/pith-number/HBWU4DOGCTFC6MXOK2HPKLYQAE/graph.json","fetch_events":"https://pith.science/api/pith-number/HBWU4DOGCTFC6MXOK2HPKLYQAE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HBWU4DOGCTFC6MXOK2HPKLYQAE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HBWU4DOGCTFC6MXOK2HPKLYQAE/action/storage_attestation","attest_author":"https://pith.science/pith/HBWU4DOGCTFC6MXOK2HPKLYQAE/action/author_attestation","sign_citation":"https://pith.science/pith/HBWU4DOGCTFC6MXOK2HPKLYQAE/action/citation_signature","submit_replication":"https://pith.science/pith/HBWU4DOGCTFC6MXOK2HPKLYQAE/action/replication_record"}},"created_at":"2026-05-18T02:06:32.700547+00:00","updated_at":"2026-05-18T02:06:32.700547+00:00"}