{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:2FGJJ7JAUUKV733XKMPXFCBWC5","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"fc9f7060bf49d90e709f79798f3a24c1cae9aa2ff861abc734557d7845cd9a1b","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2005-07-24T13:53:27Z","title_canon_sha256":"f2fe06c4612f61024b317f635a4126123f8020f22cab6f54f4463907b370be32"},"schema_version":"1.0","source":{"id":"quant-ph/0507232","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0507232","created_at":"2026-07-04T16:58:06Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0507232v2","created_at":"2026-07-04T16:58:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0507232","created_at":"2026-07-04T16:58:06Z"},{"alias_kind":"pith_short_12","alias_value":"2FGJJ7JAUUKV","created_at":"2026-07-04T16:58:06Z"},{"alias_kind":"pith_short_16","alias_value":"2FGJJ7JAUUKV733X","created_at":"2026-07-04T16:58:06Z"},{"alias_kind":"pith_short_8","alias_value":"2FGJJ7JA","created_at":"2026-07-04T16:58:06Z"}],"graph_snapshots":[{"event_id":"sha256:5018147e3a3849d4c37381f975fa7b83e35b4c7f29f7d03d6e78b2556a6a8daf","target":"graph","created_at":"2026-07-04T16:58:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/quant-ph/0507232/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper we investigate the linear and nonlinear models of optical quantum computation and discuss their scalability and efficiency. We show how there are significantly different scaling properties in single photon computation when weak cross-Kerr nonlinearities are allowed to supplement the usual linear optical set. In particular we show how quantum non-demolition measurements are an efficient resource for universal quantum computation.","authors_text":"Kae Nemoto, W. J. Munro","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2005-07-24T13:53:27Z","title":"Universal quantum computation on the power of quantum non-demolition measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0507232","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:30fd1250c70fa09560957a7f5c081679eb4584183951c56ec7e7716f089c537a","target":"record","created_at":"2026-07-04T16:58:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"fc9f7060bf49d90e709f79798f3a24c1cae9aa2ff861abc734557d7845cd9a1b","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2005-07-24T13:53:27Z","title_canon_sha256":"f2fe06c4612f61024b317f635a4126123f8020f22cab6f54f4463907b370be32"},"schema_version":"1.0","source":{"id":"quant-ph/0507232","kind":"arxiv","version":2}},"canonical_sha256":"d14c94fd20a5155fef77531f728836176595325e377198e483cb0bccb2357250","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d14c94fd20a5155fef77531f728836176595325e377198e483cb0bccb2357250","first_computed_at":"2026-07-04T16:58:06.079890Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:58:06.079890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VLSVfAXSCXZ6lAmWq+uGTuLN856CWRsWkQQ4asNoYtjK/Mu4c200PxYkUE2k4IMecHPe10PUZ/aM8+/NEfi/DA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:58:06.080249Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0507232","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30fd1250c70fa09560957a7f5c081679eb4584183951c56ec7e7716f089c537a","sha256:5018147e3a3849d4c37381f975fa7b83e35b4c7f29f7d03d6e78b2556a6a8daf"],"state_sha256":"9088ce876235457a144a25a0e4caa408715d5263a19905465157871ca194f4f6"}