{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:RIJSDYHCQF76JRKIONBMD5EN7P","short_pith_number":"pith:RIJSDYHC","schema_version":"1.0","canonical_sha256":"8a1321e0e2817fe4c5487342c1f48dfbebde5a9f5377d5852b2d2f73a9926d3d","source":{"kind":"arxiv","id":"1103.5340","version":3},"attestation_state":"computed","paper":{"title":"Parallel generation of quadripartite cluster entanglement in the optical frequency comb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Matthew Pysher, Olivier Pfister, Reihaneh Shahrokhshahi, Russell Bloomer, Yoshichika Miwa","submitted_at":"2011-03-28T12:43:00Z","abstract_excerpt":"Scalability and coherence are two essential requirements for the experimental implementation of quantum information and quantum computing. Here, we report a breakthrough toward scalability: the simultaneous generation of a record 15 quadripartite entangled cluster states over 60 consecutive cavity modes (Qmodes), in the optical frequency comb of a single optical parametric oscillator. The amount of observed entanglement was constant over the 60 Qmodes, thereby proving the intrnisic scalability of this system. The number of observable Qmodes was restricted by technical limitations, and we conse"},"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":"1103.5340","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-03-28T12:43:00Z","cross_cats_sorted":[],"title_canon_sha256":"4f8f7eaf57895e8f99b62f0e19ea7c295e15e736b36e2ae4d7c5d80528fe0040","abstract_canon_sha256":"02d73217815858f05ac3fbe7bafc3484fd889225e2a3b556f4e56b4b71de6400"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:44.285001Z","signature_b64":"sraoA9tygXDRXdRyrEOzJ9rZZJYNiOCB7tURDzK7B6lc4AQz9t+wzyoXGgffKCEu3uMrtMm596sUJYXr5Di5Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a1321e0e2817fe4c5487342c1f48dfbebde5a9f5377d5852b2d2f73a9926d3d","last_reissued_at":"2026-05-18T02:02:44.284220Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:44.284220Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Parallel generation of quadripartite cluster entanglement in the optical frequency comb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Matthew Pysher, Olivier Pfister, Reihaneh Shahrokhshahi, Russell Bloomer, Yoshichika Miwa","submitted_at":"2011-03-28T12:43:00Z","abstract_excerpt":"Scalability and coherence are two essential requirements for the experimental implementation of quantum information and quantum computing. Here, we report a breakthrough toward scalability: the simultaneous generation of a record 15 quadripartite entangled cluster states over 60 consecutive cavity modes (Qmodes), in the optical frequency comb of a single optical parametric oscillator. The amount of observed entanglement was constant over the 60 Qmodes, thereby proving the intrnisic scalability of this system. The number of observable Qmodes was restricted by technical limitations, and we conse"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.5340","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":"1103.5340","created_at":"2026-05-18T02:02:44.284363+00:00"},{"alias_kind":"arxiv_version","alias_value":"1103.5340v3","created_at":"2026-05-18T02:02:44.284363+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.5340","created_at":"2026-05-18T02:02:44.284363+00:00"},{"alias_kind":"pith_short_12","alias_value":"RIJSDYHCQF76","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_16","alias_value":"RIJSDYHCQF76JRKI","created_at":"2026-05-18T12:26:41.206345+00:00"},{"alias_kind":"pith_short_8","alias_value":"RIJSDYHC","created_at":"2026-05-18T12:26:41.206345+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/RIJSDYHCQF76JRKIONBMD5EN7P","json":"https://pith.science/pith/RIJSDYHCQF76JRKIONBMD5EN7P.json","graph_json":"https://pith.science/api/pith-number/RIJSDYHCQF76JRKIONBMD5EN7P/graph.json","events_json":"https://pith.science/api/pith-number/RIJSDYHCQF76JRKIONBMD5EN7P/events.json","paper":"https://pith.science/paper/RIJSDYHC"},"agent_actions":{"view_html":"https://pith.science/pith/RIJSDYHCQF76JRKIONBMD5EN7P","download_json":"https://pith.science/pith/RIJSDYHCQF76JRKIONBMD5EN7P.json","view_paper":"https://pith.science/paper/RIJSDYHC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1103.5340&json=true","fetch_graph":"https://pith.science/api/pith-number/RIJSDYHCQF76JRKIONBMD5EN7P/graph.json","fetch_events":"https://pith.science/api/pith-number/RIJSDYHCQF76JRKIONBMD5EN7P/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RIJSDYHCQF76JRKIONBMD5EN7P/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RIJSDYHCQF76JRKIONBMD5EN7P/action/storage_attestation","attest_author":"https://pith.science/pith/RIJSDYHCQF76JRKIONBMD5EN7P/action/author_attestation","sign_citation":"https://pith.science/pith/RIJSDYHCQF76JRKIONBMD5EN7P/action/citation_signature","submit_replication":"https://pith.science/pith/RIJSDYHCQF76JRKIONBMD5EN7P/action/replication_record"}},"created_at":"2026-05-18T02:02:44.284363+00:00","updated_at":"2026-05-18T02:02:44.284363+00:00"}