{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:R5JEQCZ5DDNG4DABCO2LHTIRY6","short_pith_number":"pith:R5JEQCZ5","schema_version":"1.0","canonical_sha256":"8f52480b3d18da6e0c0113b4b3cd11c7a5070a2c677cf52e2e707655791d5a2b","source":{"kind":"arxiv","id":"1311.2957","version":3},"attestation_state":"computed","paper":{"title":"Experimental realization of multipartite entanglement of 60 modes of a quantum optical frequency comb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Moran Chen, Nicolas C. Menicucci, Olivier Pfister","submitted_at":"2013-11-12T21:17:39Z","abstract_excerpt":"We report the experimental realization and characterization of one 60-mode copy, and of two 30-mode copies, of a dual-rail quantum-wire cluster state in the quantum optical frequency comb of a bimodally pumped optical parametric oscillator. This is the largest entangled system ever created whose subsystems are all available simultaneously. The entanglement proceeds from the coherent concatenation of a multitude of EPR pairs by a single beam splitter, a procedure which is also a building block for the realization of hypercubic-lattice cluster states for universal quantum computing."},"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":"1311.2957","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-11-12T21:17:39Z","cross_cats_sorted":[],"title_canon_sha256":"8ace68eb0635d7f7d6e6994aedf339cfab2fea8c19e799666464155e21c16a1d","abstract_canon_sha256":"3a2ede0ab592dddae6dec44b00e228195277ca147562a83f35f93844e3bf6789"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:54:56.013729Z","signature_b64":"EqCkUMHl0TsVpl68tKcfptWddol4dirGlNsPkavrnQ6uzZBBIAPDHvl9sGG56/IELg5oAkGCWcEoVOCXx+UiCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f52480b3d18da6e0c0113b4b3cd11c7a5070a2c677cf52e2e707655791d5a2b","last_reissued_at":"2026-05-18T02:54:56.013072Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:54:56.013072Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental realization of multipartite entanglement of 60 modes of a quantum optical frequency comb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Moran Chen, Nicolas C. Menicucci, Olivier Pfister","submitted_at":"2013-11-12T21:17:39Z","abstract_excerpt":"We report the experimental realization and characterization of one 60-mode copy, and of two 30-mode copies, of a dual-rail quantum-wire cluster state in the quantum optical frequency comb of a bimodally pumped optical parametric oscillator. This is the largest entangled system ever created whose subsystems are all available simultaneously. The entanglement proceeds from the coherent concatenation of a multitude of EPR pairs by a single beam splitter, a procedure which is also a building block for the realization of hypercubic-lattice cluster states for universal quantum computing."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.2957","kind":"arxiv","version":3},"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":"1311.2957","created_at":"2026-05-18T02:54:56.013170+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.2957v3","created_at":"2026-05-18T02:54:56.013170+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.2957","created_at":"2026-05-18T02:54:56.013170+00:00"},{"alias_kind":"pith_short_12","alias_value":"R5JEQCZ5DDNG","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_16","alias_value":"R5JEQCZ5DDNG4DAB","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_8","alias_value":"R5JEQCZ5","created_at":"2026-05-18T12:27:57.521954+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/R5JEQCZ5DDNG4DABCO2LHTIRY6","json":"https://pith.science/pith/R5JEQCZ5DDNG4DABCO2LHTIRY6.json","graph_json":"https://pith.science/api/pith-number/R5JEQCZ5DDNG4DABCO2LHTIRY6/graph.json","events_json":"https://pith.science/api/pith-number/R5JEQCZ5DDNG4DABCO2LHTIRY6/events.json","paper":"https://pith.science/paper/R5JEQCZ5"},"agent_actions":{"view_html":"https://pith.science/pith/R5JEQCZ5DDNG4DABCO2LHTIRY6","download_json":"https://pith.science/pith/R5JEQCZ5DDNG4DABCO2LHTIRY6.json","view_paper":"https://pith.science/paper/R5JEQCZ5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.2957&json=true","fetch_graph":"https://pith.science/api/pith-number/R5JEQCZ5DDNG4DABCO2LHTIRY6/graph.json","fetch_events":"https://pith.science/api/pith-number/R5JEQCZ5DDNG4DABCO2LHTIRY6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R5JEQCZ5DDNG4DABCO2LHTIRY6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R5JEQCZ5DDNG4DABCO2LHTIRY6/action/storage_attestation","attest_author":"https://pith.science/pith/R5JEQCZ5DDNG4DABCO2LHTIRY6/action/author_attestation","sign_citation":"https://pith.science/pith/R5JEQCZ5DDNG4DABCO2LHTIRY6/action/citation_signature","submit_replication":"https://pith.science/pith/R5JEQCZ5DDNG4DABCO2LHTIRY6/action/replication_record"}},"created_at":"2026-05-18T02:54:56.013170+00:00","updated_at":"2026-05-18T02:54:56.013170+00:00"}