{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:6YY66F2JCY7WVQZ7KSBCSXZQVU","short_pith_number":"pith:6YY66F2J","canonical_record":{"source":{"id":"quant-ph/0006120","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2000-06-27T20:41:59Z","cross_cats_sorted":[],"title_canon_sha256":"7ab3b103323d1d2f2e77b7a327b08a5f9136c6eec8b75269c9c797fe45d2f7ad","abstract_canon_sha256":"20ab255f6c20de441b21559ee285f220f06beb49edba2c9d2c1e1975666aaf1c"},"schema_version":"1.0"},"canonical_sha256":"f631ef1749163f6ac33f5482295f30ad004a94dd5098cdbc8bc14d6910ea745a","source":{"kind":"arxiv","id":"quant-ph/0006120","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0006120","created_at":"2026-07-04T14:45:29Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0006120v1","created_at":"2026-07-04T14:45:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0006120","created_at":"2026-07-04T14:45:29Z"},{"alias_kind":"pith_short_12","alias_value":"6YY66F2JCY7W","created_at":"2026-07-04T14:45:29Z"},{"alias_kind":"pith_short_16","alias_value":"6YY66F2JCY7WVQZ7","created_at":"2026-07-04T14:45:29Z"},{"alias_kind":"pith_short_8","alias_value":"6YY66F2J","created_at":"2026-07-04T14:45:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:6YY66F2JCY7WVQZ7KSBCSXZQVU","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0006120","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2000-06-27T20:41:59Z","cross_cats_sorted":[],"title_canon_sha256":"7ab3b103323d1d2f2e77b7a327b08a5f9136c6eec8b75269c9c797fe45d2f7ad","abstract_canon_sha256":"20ab255f6c20de441b21559ee285f220f06beb49edba2c9d2c1e1975666aaf1c"},"schema_version":"1.0"},"canonical_sha256":"f631ef1749163f6ac33f5482295f30ad004a94dd5098cdbc8bc14d6910ea745a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:45:29.602247Z","signature_b64":"zW+uKVuNUMJmCd7EqAuGLJZ17ki9llAQ66yKh3nbFN8h4XCTglNINSNZMQXDAmXBDbAUjJeN67TBGIfZH+OBAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f631ef1749163f6ac33f5482295f30ad004a94dd5098cdbc8bc14d6910ea745a","last_reissued_at":"2026-07-04T14:45:29.601833Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:45:29.601833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0006120","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T14:45:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r1NOh2w1+IvNIe6nxuk8OQOwgmg7F0ggVuJ489Pn8m2he6EpYCjZp0d0NilPLUT1plGibBRR/WD97vtK8j8dAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:32:07.958911Z"},"content_sha256":"cc1174cb5292b37e651436a45675e2aa6669e0b0387a7bf6e8aa7a256609d5fb","schema_version":"1.0","event_id":"sha256:cc1174cb5292b37e651436a45675e2aa6669e0b0387a7bf6e8aa7a256609d5fb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:6YY66F2JCY7WVQZ7KSBCSXZQVU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thresholds for Linear Optics Quantum Computation","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"E. Knill, G. Milburn, R. Laflamme","submitted_at":"2000-06-27T20:41:59Z","abstract_excerpt":"We previously established that in principle, it is possible to quantum compute using passive linear optics with photo-detectors (quant-ph/0006088). Here we describe techniques based on error detection and correction that greatly improve the resource and device reliability requirements needed for scalability. The resource requirements are analyzed for ideal linear optics quantum computation (LOQC). The coding methods can be integrated both with loss detection and phase error-correction to deal with the primary relaxation processes in non-ideal optics, including detector inefficiencies. The main"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0006120","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/quant-ph/0006120/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T14:45:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z824GYW6/DWgDgV95x+Vg9PzribQYENJfcyKyyQgTLlATIaLWdaUFeRBW1uRSsB8K4zToGSibl/3QXWmkoBRDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:32:07.959527Z"},"content_sha256":"9323bc4aba1b1b3f55c091beb453ce6c79431d4c800a8a936b3dbad3137ba3d7","schema_version":"1.0","event_id":"sha256:9323bc4aba1b1b3f55c091beb453ce6c79431d4c800a8a936b3dbad3137ba3d7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6YY66F2JCY7WVQZ7KSBCSXZQVU/bundle.json","state_url":"https://pith.science/pith/6YY66F2JCY7WVQZ7KSBCSXZQVU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6YY66F2JCY7WVQZ7KSBCSXZQVU/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-11T01:32:07Z","links":{"resolver":"https://pith.science/pith/6YY66F2JCY7WVQZ7KSBCSXZQVU","bundle":"https://pith.science/pith/6YY66F2JCY7WVQZ7KSBCSXZQVU/bundle.json","state":"https://pith.science/pith/6YY66F2JCY7WVQZ7KSBCSXZQVU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6YY66F2JCY7WVQZ7KSBCSXZQVU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:6YY66F2JCY7WVQZ7KSBCSXZQVU","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":"20ab255f6c20de441b21559ee285f220f06beb49edba2c9d2c1e1975666aaf1c","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2000-06-27T20:41:59Z","title_canon_sha256":"7ab3b103323d1d2f2e77b7a327b08a5f9136c6eec8b75269c9c797fe45d2f7ad"},"schema_version":"1.0","source":{"id":"quant-ph/0006120","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0006120","created_at":"2026-07-04T14:45:29Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0006120v1","created_at":"2026-07-04T14:45:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0006120","created_at":"2026-07-04T14:45:29Z"},{"alias_kind":"pith_short_12","alias_value":"6YY66F2JCY7W","created_at":"2026-07-04T14:45:29Z"},{"alias_kind":"pith_short_16","alias_value":"6YY66F2JCY7WVQZ7","created_at":"2026-07-04T14:45:29Z"},{"alias_kind":"pith_short_8","alias_value":"6YY66F2J","created_at":"2026-07-04T14:45:29Z"}],"graph_snapshots":[{"event_id":"sha256:9323bc4aba1b1b3f55c091beb453ce6c79431d4c800a8a936b3dbad3137ba3d7","target":"graph","created_at":"2026-07-04T14:45:29Z","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/0006120/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We previously established that in principle, it is possible to quantum compute using passive linear optics with photo-detectors (quant-ph/0006088). Here we describe techniques based on error detection and correction that greatly improve the resource and device reliability requirements needed for scalability. The resource requirements are analyzed for ideal linear optics quantum computation (LOQC). The coding methods can be integrated both with loss detection and phase error-correction to deal with the primary relaxation processes in non-ideal optics, including detector inefficiencies. The main","authors_text":"E. Knill, G. Milburn, R. Laflamme","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2000-06-27T20:41:59Z","title":"Thresholds for Linear Optics Quantum Computation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0006120","kind":"arxiv","version":1},"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:cc1174cb5292b37e651436a45675e2aa6669e0b0387a7bf6e8aa7a256609d5fb","target":"record","created_at":"2026-07-04T14:45:29Z","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":"20ab255f6c20de441b21559ee285f220f06beb49edba2c9d2c1e1975666aaf1c","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2000-06-27T20:41:59Z","title_canon_sha256":"7ab3b103323d1d2f2e77b7a327b08a5f9136c6eec8b75269c9c797fe45d2f7ad"},"schema_version":"1.0","source":{"id":"quant-ph/0006120","kind":"arxiv","version":1}},"canonical_sha256":"f631ef1749163f6ac33f5482295f30ad004a94dd5098cdbc8bc14d6910ea745a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f631ef1749163f6ac33f5482295f30ad004a94dd5098cdbc8bc14d6910ea745a","first_computed_at":"2026-07-04T14:45:29.601833Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:45:29.601833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zW+uKVuNUMJmCd7EqAuGLJZ17ki9llAQ66yKh3nbFN8h4XCTglNINSNZMQXDAmXBDbAUjJeN67TBGIfZH+OBAA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:45:29.602247Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0006120","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc1174cb5292b37e651436a45675e2aa6669e0b0387a7bf6e8aa7a256609d5fb","sha256:9323bc4aba1b1b3f55c091beb453ce6c79431d4c800a8a936b3dbad3137ba3d7"],"state_sha256":"25535284474af017d74a15efb725174403983546330da470ccfe691e42e4ce54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0WZ6GK1+biYga5goaLZTGbJ8PWnbkFG2u3ipm5lRFt5NGLbgGvls4Flk56apad0Bf+bQoo9c4e4UcYXeeTYBDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T01:32:07.962835Z","bundle_sha256":"a804558af15acccccabf01f4323410803a978685c0a4fa5b5855b7998582da58"}}