{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:T64OY6IQHM7UGL6F3BU2OLT7VB","short_pith_number":"pith:T64OY6IQ","canonical_record":{"source":{"id":"quant-ph/0507036","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2005-07-04T18:26:55Z","cross_cats_sorted":[],"title_canon_sha256":"9bfe1948274aeaab551c8192e4421494e458a1a029d90fda55b7ad0223a23680","abstract_canon_sha256":"30500b64530cb43415174fe8f25dacf31ce063e0825308ce2e9b5069cf3ff021"},"schema_version":"1.0"},"canonical_sha256":"9fb8ec79103b3f432fc5d869a72e7fa8783a6bf1960b954a210ef6e1f762b3db","source":{"kind":"arxiv","id":"quant-ph/0507036","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0507036","created_at":"2026-07-04T15:00:57Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0507036v3","created_at":"2026-07-04T15:00:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0507036","created_at":"2026-07-04T15:00:57Z"},{"alias_kind":"pith_short_12","alias_value":"T64OY6IQHM7U","created_at":"2026-07-04T15:00:57Z"},{"alias_kind":"pith_short_16","alias_value":"T64OY6IQHM7UGL6F","created_at":"2026-07-04T15:00:57Z"},{"alias_kind":"pith_short_8","alias_value":"T64OY6IQ","created_at":"2026-07-04T15:00:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:T64OY6IQHM7UGL6F3BU2OLT7VB","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0507036","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2005-07-04T18:26:55Z","cross_cats_sorted":[],"title_canon_sha256":"9bfe1948274aeaab551c8192e4421494e458a1a029d90fda55b7ad0223a23680","abstract_canon_sha256":"30500b64530cb43415174fe8f25dacf31ce063e0825308ce2e9b5069cf3ff021"},"schema_version":"1.0"},"canonical_sha256":"9fb8ec79103b3f432fc5d869a72e7fa8783a6bf1960b954a210ef6e1f762b3db","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:00:57.345726Z","signature_b64":"9xMEgvEttQFMqtPFEM+BO85bFVdOyyFDhJ526mqkfURHZ/icfmyupdoTWhaSMeSjd5h059wlJCPMm1dJ1/qTBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9fb8ec79103b3f432fc5d869a72e7fa8783a6bf1960b954a210ef6e1f762b3db","last_reissued_at":"2026-07-04T15:00:57.345265Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:00:57.345265Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0507036","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:00:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6JZeiWAaOR5S9bOtIozKuyHv11AwCIYBcHtPLaNZDE2UmUVDnW35IWCvFIdhaUzRd7ucvs3iIS2S4PBzyIFiCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T17:44:41.532415Z"},"content_sha256":"9caa8a2cba47757d5bd11085a48e160a74c8c5a1143f72533227a86d74f983b9","schema_version":"1.0","event_id":"sha256:9caa8a2cba47757d5bd11085a48e160a74c8c5a1143f72533227a86d74f983b9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:T64OY6IQHM7UGL6F3BU2OLT7VB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Loss tolerance in one-way quantum computation via counterfactual error correction","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Daniel E. Browne, Michael Varnava, Terry Rudolph","submitted_at":"2005-07-04T18:26:55Z","abstract_excerpt":"We introduce a scheme for fault tolerantly dealing with losses (or other \"leakage\" errors) in cluster state computation that can tolerate up to 50% qubit loss. This is achieved passively using an adaptive strategy of measurement - no coherent measurements or coherent correction is required. Since the scheme relies on inferring information about what would have been the outcome of a measurement had one been able to carry it out, we call this \"counterfactual\" error correction."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0507036","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/quant-ph/0507036/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":"2026-07-04T15:00:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R8V5a70Xr6zolHFEmSt4Evovq6mmDka/43ZTPBgGQgLVR9yRltrw1tu+ifo9rEOpVJVe8pz01qaFNXVr4xW9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T17:44:41.532786Z"},"content_sha256":"ab6e3691a602103a1ce3193ff26f49c04aa38a4c44562fe1bfd9d7f8ee8bc2dd","schema_version":"1.0","event_id":"sha256:ab6e3691a602103a1ce3193ff26f49c04aa38a4c44562fe1bfd9d7f8ee8bc2dd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T64OY6IQHM7UGL6F3BU2OLT7VB/bundle.json","state_url":"https://pith.science/pith/T64OY6IQHM7UGL6F3BU2OLT7VB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T64OY6IQHM7UGL6F3BU2OLT7VB/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":"2026-07-08T17:44:41Z","links":{"resolver":"https://pith.science/pith/T64OY6IQHM7UGL6F3BU2OLT7VB","bundle":"https://pith.science/pith/T64OY6IQHM7UGL6F3BU2OLT7VB/bundle.json","state":"https://pith.science/pith/T64OY6IQHM7UGL6F3BU2OLT7VB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T64OY6IQHM7UGL6F3BU2OLT7VB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:T64OY6IQHM7UGL6F3BU2OLT7VB","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":"30500b64530cb43415174fe8f25dacf31ce063e0825308ce2e9b5069cf3ff021","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2005-07-04T18:26:55Z","title_canon_sha256":"9bfe1948274aeaab551c8192e4421494e458a1a029d90fda55b7ad0223a23680"},"schema_version":"1.0","source":{"id":"quant-ph/0507036","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0507036","created_at":"2026-07-04T15:00:57Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0507036v3","created_at":"2026-07-04T15:00:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0507036","created_at":"2026-07-04T15:00:57Z"},{"alias_kind":"pith_short_12","alias_value":"T64OY6IQHM7U","created_at":"2026-07-04T15:00:57Z"},{"alias_kind":"pith_short_16","alias_value":"T64OY6IQHM7UGL6F","created_at":"2026-07-04T15:00:57Z"},{"alias_kind":"pith_short_8","alias_value":"T64OY6IQ","created_at":"2026-07-04T15:00:57Z"}],"graph_snapshots":[{"event_id":"sha256:ab6e3691a602103a1ce3193ff26f49c04aa38a4c44562fe1bfd9d7f8ee8bc2dd","target":"graph","created_at":"2026-07-04T15:00:57Z","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/0507036/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce a scheme for fault tolerantly dealing with losses (or other \"leakage\" errors) in cluster state computation that can tolerate up to 50% qubit loss. This is achieved passively using an adaptive strategy of measurement - no coherent measurements or coherent correction is required. Since the scheme relies on inferring information about what would have been the outcome of a measurement had one been able to carry it out, we call this \"counterfactual\" error correction.","authors_text":"Daniel E. Browne, Michael Varnava, Terry Rudolph","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2005-07-04T18:26:55Z","title":"Loss tolerance in one-way quantum computation via counterfactual error correction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0507036","kind":"arxiv","version":3},"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":"sha256:9caa8a2cba47757d5bd11085a48e160a74c8c5a1143f72533227a86d74f983b9","target":"record","created_at":"2026-07-04T15:00:57Z","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":"30500b64530cb43415174fe8f25dacf31ce063e0825308ce2e9b5069cf3ff021","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2005-07-04T18:26:55Z","title_canon_sha256":"9bfe1948274aeaab551c8192e4421494e458a1a029d90fda55b7ad0223a23680"},"schema_version":"1.0","source":{"id":"quant-ph/0507036","kind":"arxiv","version":3}},"canonical_sha256":"9fb8ec79103b3f432fc5d869a72e7fa8783a6bf1960b954a210ef6e1f762b3db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9fb8ec79103b3f432fc5d869a72e7fa8783a6bf1960b954a210ef6e1f762b3db","first_computed_at":"2026-07-04T15:00:57.345265Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:00:57.345265Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9xMEgvEttQFMqtPFEM+BO85bFVdOyyFDhJ526mqkfURHZ/icfmyupdoTWhaSMeSjd5h059wlJCPMm1dJ1/qTBw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:00:57.345726Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0507036","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9caa8a2cba47757d5bd11085a48e160a74c8c5a1143f72533227a86d74f983b9","sha256:ab6e3691a602103a1ce3193ff26f49c04aa38a4c44562fe1bfd9d7f8ee8bc2dd"],"state_sha256":"05b9359a894c28485c8d5440c7fbba2a223fee14f7f5059b8a670a6e5e183fa4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3u7kNNihIQFvWE7lb/dvwKjwx01umbbz1W6JhMVEz4nL4CLJy0BrXw4Ie6DEz9xGmWZDAQwJEMWPpUC9ksPaCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T17:44:41.535019Z","bundle_sha256":"354e96a683612f46e0deec4ca90d252cb8c7972eafa82e0f9183c2ef65da22d5"}}