{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:RHZG4QI4WUFCGWZBSQFGSMMGNK","short_pith_number":"pith:RHZG4QI4","schema_version":"1.0","canonical_sha256":"89f26e411cb50a235b21940a6931866aa79e140ccd46fb89f22986d963d0710e","source":{"kind":"arxiv","id":"1507.01876","version":1},"attestation_state":"computed","paper":{"title":"Single pairs of time-bin entangled photons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"Aafke A. van den Berg, Agnieszka Gocalinska, Emanuele Pelucchi, Gediminas Juska, Marijn A. M. Versteegh, Michael E. Reimer, Valeria Dimastrodonato, Val Zwiller","submitted_at":"2015-07-07T17:01:57Z","abstract_excerpt":"Time-bin entangled photons are ideal for long-distance quantum communication via optical fibers. Here we present a source where, even at high creation rates, each excitation pulse generates at most one time-bin entangled pair. This is important for the accuracy and security of quantum communication. Our site-controlled quantum dot generates single polarization-entangled photon pairs, which are then converted, without loss of entanglement strength, into single time-bin entangled photon pairs."},"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":"1507.01876","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-07-07T17:01:57Z","cross_cats_sorted":["cond-mat.mes-hall","physics.optics"],"title_canon_sha256":"027c4b109b7ab538fec44f44141c746ba61f235842c2eec6b7ba21f966d08eae","abstract_canon_sha256":"9791c7879bd037fcb7321ff62c9bbc79d66646a0423d0775671a8b33911b7bfc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:58.215606Z","signature_b64":"pAjXXJoEsNQLm2K2x8Fa3xT9RMIyMa0YznChZyTTwjC2uwoH0YxLq06EFHcYDLCwZiy1DGMfl6oGEb8a8wgsCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"89f26e411cb50a235b21940a6931866aa79e140ccd46fb89f22986d963d0710e","last_reissued_at":"2026-05-18T01:33:58.215010Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:58.215010Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Single pairs of time-bin entangled photons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.optics"],"primary_cat":"quant-ph","authors_text":"Aafke A. van den Berg, Agnieszka Gocalinska, Emanuele Pelucchi, Gediminas Juska, Marijn A. M. Versteegh, Michael E. Reimer, Valeria Dimastrodonato, Val Zwiller","submitted_at":"2015-07-07T17:01:57Z","abstract_excerpt":"Time-bin entangled photons are ideal for long-distance quantum communication via optical fibers. Here we present a source where, even at high creation rates, each excitation pulse generates at most one time-bin entangled pair. This is important for the accuracy and security of quantum communication. Our site-controlled quantum dot generates single polarization-entangled photon pairs, which are then converted, without loss of entanglement strength, into single time-bin entangled photon pairs."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.01876","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":"1507.01876","created_at":"2026-05-18T01:33:58.215086+00:00"},{"alias_kind":"arxiv_version","alias_value":"1507.01876v1","created_at":"2026-05-18T01:33:58.215086+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.01876","created_at":"2026-05-18T01:33:58.215086+00:00"},{"alias_kind":"pith_short_12","alias_value":"RHZG4QI4WUFC","created_at":"2026-05-18T12:29:39.896362+00:00"},{"alias_kind":"pith_short_16","alias_value":"RHZG4QI4WUFCGWZB","created_at":"2026-05-18T12:29:39.896362+00:00"},{"alias_kind":"pith_short_8","alias_value":"RHZG4QI4","created_at":"2026-05-18T12:29:39.896362+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/RHZG4QI4WUFCGWZBSQFGSMMGNK","json":"https://pith.science/pith/RHZG4QI4WUFCGWZBSQFGSMMGNK.json","graph_json":"https://pith.science/api/pith-number/RHZG4QI4WUFCGWZBSQFGSMMGNK/graph.json","events_json":"https://pith.science/api/pith-number/RHZG4QI4WUFCGWZBSQFGSMMGNK/events.json","paper":"https://pith.science/paper/RHZG4QI4"},"agent_actions":{"view_html":"https://pith.science/pith/RHZG4QI4WUFCGWZBSQFGSMMGNK","download_json":"https://pith.science/pith/RHZG4QI4WUFCGWZBSQFGSMMGNK.json","view_paper":"https://pith.science/paper/RHZG4QI4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1507.01876&json=true","fetch_graph":"https://pith.science/api/pith-number/RHZG4QI4WUFCGWZBSQFGSMMGNK/graph.json","fetch_events":"https://pith.science/api/pith-number/RHZG4QI4WUFCGWZBSQFGSMMGNK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RHZG4QI4WUFCGWZBSQFGSMMGNK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RHZG4QI4WUFCGWZBSQFGSMMGNK/action/storage_attestation","attest_author":"https://pith.science/pith/RHZG4QI4WUFCGWZBSQFGSMMGNK/action/author_attestation","sign_citation":"https://pith.science/pith/RHZG4QI4WUFCGWZBSQFGSMMGNK/action/citation_signature","submit_replication":"https://pith.science/pith/RHZG4QI4WUFCGWZBSQFGSMMGNK/action/replication_record"}},"created_at":"2026-05-18T01:33:58.215086+00:00","updated_at":"2026-05-18T01:33:58.215086+00:00"}