{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:BCWQZDJF2PG7B6SJYVF22GCTFQ","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":"30ea0581a5d72d5f9880a02d5bf744ffbd70b716365e03169c99388dba8e1b1c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-02T15:54:45Z","title_canon_sha256":"f2abc9452584ffdeaa61d55302a85b96e362438ee90435535d3e68375449e93b"},"schema_version":"1.0","source":{"id":"1204.0443","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.0443","created_at":"2026-05-18T01:57:58Z"},{"alias_kind":"arxiv_version","alias_value":"1204.0443v2","created_at":"2026-05-18T01:57:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.0443","created_at":"2026-05-18T01:57:58Z"},{"alias_kind":"pith_short_12","alias_value":"BCWQZDJF2PG7","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"BCWQZDJF2PG7B6SJ","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"BCWQZDJF","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:15ccbf8625fb3b997c57c4906b4f4ad576536d28f60796bf1f7b6e5f1545aa1e","target":"graph","created_at":"2026-05-18T01:57:58Z","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"},"paper":{"abstract_excerpt":"In the distributed quantum computing paradigm, well-controlled few-qubit `nodes' are networked together by connections which are relatively noisy and failure prone. A practical scheme must offer high tolerance to errors while requiring only simple (i.e. few-qubit) nodes. Here we show that relatively modest, three-qubit nodes can support advanced purification techniques and so offer robust scalability: the infidelity in the entanglement channel may be permitted to approach 10% if the infidelity in local operations is of order 0.1%. Our tolerance of network noise is therefore a order of magnitud","authors_text":"Simon C Benjamin, Ying Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-02T15:54:45Z","title":"High threshold distributed quantum computing with three-qubit nodes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.0443","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":"sha256:39837a12e2901a0eefe429b14bbbef12a358d7ffd57d42388f8a964026d4e21b","target":"record","created_at":"2026-05-18T01:57:58Z","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":"30ea0581a5d72d5f9880a02d5bf744ffbd70b716365e03169c99388dba8e1b1c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-02T15:54:45Z","title_canon_sha256":"f2abc9452584ffdeaa61d55302a85b96e362438ee90435535d3e68375449e93b"},"schema_version":"1.0","source":{"id":"1204.0443","kind":"arxiv","version":2}},"canonical_sha256":"08ad0c8d25d3cdf0fa49c54bad18532c13a1b8d5f8a17313c408940c9a7da86b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08ad0c8d25d3cdf0fa49c54bad18532c13a1b8d5f8a17313c408940c9a7da86b","first_computed_at":"2026-05-18T01:57:58.067947Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:58.067947Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pCnqV1YzOadq85xBj4yNYvMJk6SxOTvJYCmrcV05VvegsAlP8kWp3IBhWWSUoPwHWreXPaaOFgF3juoEjnnnAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:58.068409Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.0443","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:39837a12e2901a0eefe429b14bbbef12a358d7ffd57d42388f8a964026d4e21b","sha256:15ccbf8625fb3b997c57c4906b4f4ad576536d28f60796bf1f7b6e5f1545aa1e"],"state_sha256":"cb5fae6686541c9dc715aaa8762e0f679e8c2de6df1d92a2d799d643cd98751c"}