{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:JIBQG4DCUKHA46VZUHREY7EPH3","short_pith_number":"pith:JIBQG4DC","schema_version":"1.0","canonical_sha256":"4a03037062a28e0e7ab9a1e24c7c8f3ec9a8682fd1445629721bdb0b8000c50f","source":{"kind":"arxiv","id":"1410.8332","version":4},"attestation_state":"computed","paper":{"title":"Qubit entanglement on a silicon photonic chip","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Damien Bonneau, Jeremy L. O'Brien, Joshua W. Silverstone, Marc Sorel, Mark G. Thompson, Michael J. Strain, Raffaele Santagati","submitted_at":"2014-10-30T11:35:48Z","abstract_excerpt":"Entanglement--one of the most delicate phenomena in nature--is an essential resource for quantum information applications. Large entangled cluster states have been predicted to enable universal quantum computation, with the required single- qubit measurements readily implemented with photons. Useful large-scale systems must generate and control qubit entanglement on-chip, where quantum information is naturally encoded in photon path. Here we report a silicon photonic chip which integrates resonant-enhanced sources, filters, and reconfigurable optics to generate a path-entangled two-qubit state"},"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":"1410.8332","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-10-30T11:35:48Z","cross_cats_sorted":[],"title_canon_sha256":"7b27a318bcd245b40baf01ad5d7be48d94eabb52cad706054470273e71572946","abstract_canon_sha256":"51cdb0311ec6c56d69e5d8572cbc2c27d8c54bf1610cf2009af45942a86f936c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:57.573384Z","signature_b64":"IopL0AYJoAudVkFUK0LMqMuLvtQWA8xR2VSC+uHrU7HLweNLdWJv+LVb1hJrd1jQ+OVVNDxZI6bde554rAF9DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a03037062a28e0e7ab9a1e24c7c8f3ec9a8682fd1445629721bdb0b8000c50f","last_reissued_at":"2026-05-18T01:19:57.572832Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:57.572832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Qubit entanglement on a silicon photonic chip","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Damien Bonneau, Jeremy L. O'Brien, Joshua W. Silverstone, Marc Sorel, Mark G. Thompson, Michael J. Strain, Raffaele Santagati","submitted_at":"2014-10-30T11:35:48Z","abstract_excerpt":"Entanglement--one of the most delicate phenomena in nature--is an essential resource for quantum information applications. Large entangled cluster states have been predicted to enable universal quantum computation, with the required single- qubit measurements readily implemented with photons. Useful large-scale systems must generate and control qubit entanglement on-chip, where quantum information is naturally encoded in photon path. Here we report a silicon photonic chip which integrates resonant-enhanced sources, filters, and reconfigurable optics to generate a path-entangled two-qubit state"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.8332","kind":"arxiv","version":4},"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":"1410.8332","created_at":"2026-05-18T01:19:57.572944+00:00"},{"alias_kind":"arxiv_version","alias_value":"1410.8332v4","created_at":"2026-05-18T01:19:57.572944+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.8332","created_at":"2026-05-18T01:19:57.572944+00:00"},{"alias_kind":"pith_short_12","alias_value":"JIBQG4DCUKHA","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_16","alias_value":"JIBQG4DCUKHA46VZ","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_8","alias_value":"JIBQG4DC","created_at":"2026-05-18T12:28:33.132498+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/JIBQG4DCUKHA46VZUHREY7EPH3","json":"https://pith.science/pith/JIBQG4DCUKHA46VZUHREY7EPH3.json","graph_json":"https://pith.science/api/pith-number/JIBQG4DCUKHA46VZUHREY7EPH3/graph.json","events_json":"https://pith.science/api/pith-number/JIBQG4DCUKHA46VZUHREY7EPH3/events.json","paper":"https://pith.science/paper/JIBQG4DC"},"agent_actions":{"view_html":"https://pith.science/pith/JIBQG4DCUKHA46VZUHREY7EPH3","download_json":"https://pith.science/pith/JIBQG4DCUKHA46VZUHREY7EPH3.json","view_paper":"https://pith.science/paper/JIBQG4DC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1410.8332&json=true","fetch_graph":"https://pith.science/api/pith-number/JIBQG4DCUKHA46VZUHREY7EPH3/graph.json","fetch_events":"https://pith.science/api/pith-number/JIBQG4DCUKHA46VZUHREY7EPH3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JIBQG4DCUKHA46VZUHREY7EPH3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JIBQG4DCUKHA46VZUHREY7EPH3/action/storage_attestation","attest_author":"https://pith.science/pith/JIBQG4DCUKHA46VZUHREY7EPH3/action/author_attestation","sign_citation":"https://pith.science/pith/JIBQG4DCUKHA46VZUHREY7EPH3/action/citation_signature","submit_replication":"https://pith.science/pith/JIBQG4DCUKHA46VZUHREY7EPH3/action/replication_record"}},"created_at":"2026-05-18T01:19:57.572944+00:00","updated_at":"2026-05-18T01:19:57.572944+00:00"}