{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KXTJH6QMQT6N2BRFIAR7KM5NCN","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":"0e2706849c2eb65291e26778d2d102c12d63752ad837b78ad320bff85f77913c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-29T02:51:46Z","title_canon_sha256":"e69827566748b6e9a56588ea5a14945c08acfb0bf67a4457ad1a6ff28a29ce11"},"schema_version":"1.0","source":{"id":"2605.30765","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.30765","created_at":"2026-06-01T01:03:15Z"},{"alias_kind":"arxiv_version","alias_value":"2605.30765v1","created_at":"2026-06-01T01:03:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.30765","created_at":"2026-06-01T01:03:15Z"},{"alias_kind":"pith_short_12","alias_value":"KXTJH6QMQT6N","created_at":"2026-06-01T01:03:15Z"},{"alias_kind":"pith_short_16","alias_value":"KXTJH6QMQT6N2BRF","created_at":"2026-06-01T01:03:15Z"},{"alias_kind":"pith_short_8","alias_value":"KXTJH6QM","created_at":"2026-06-01T01:03:15Z"}],"graph_snapshots":[{"event_id":"sha256:26252c12757b7fe5f6da27d795c05d0eff9a7d6bad728869a5f6e99508125a92","target":"graph","created_at":"2026-06-01T01:03:15Z","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/2605.30765/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum error correction (QEC) is transitioning from physical feasibility demonstrations to systems engineering challenges. Google has achieved below-threshold performance on distance-5/7 surface codes, while Riverlane and Rigetti have demonstrated hardware-integrated low-latency feedback loops. These milestones indicate that the core challenge of real-time decoding has shifted from algorithmic capability to system-level engineering. However, a substantial engineering gap remains between laboratory demonstrations and scalable fault-tolerant quantum computing (FTQC). This white paper addresses ","authors_text":"Chun-Yang Luan, Dingshun Lv, Fei Wang, Guangwen Yang, Jia-Yi Hou, Peilin Zheng, Xianghong Zeng, Yaojian Chen, Yirong Jin, Zhuo Fu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-29T02:51:46Z","title":"Real-Time Quantum Error Correction System Stack: Architecture, Algorithms, and Engineering Practice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.30765","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:aa1c6f3d3e7cc0d5b71b03add9e9fd235b623dbbb459f16f18cb789c021fc288","target":"record","created_at":"2026-06-01T01:03:15Z","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":"0e2706849c2eb65291e26778d2d102c12d63752ad837b78ad320bff85f77913c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-29T02:51:46Z","title_canon_sha256":"e69827566748b6e9a56588ea5a14945c08acfb0bf67a4457ad1a6ff28a29ce11"},"schema_version":"1.0","source":{"id":"2605.30765","kind":"arxiv","version":1}},"canonical_sha256":"55e693fa0c84fcdd06254023f533ad136f159ccaf9b274771507e85af4edb336","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"55e693fa0c84fcdd06254023f533ad136f159ccaf9b274771507e85af4edb336","first_computed_at":"2026-06-01T01:03:15.175870Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-01T01:03:15.175870Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iGEX2bsgmew3eXbFne+CuXRDN1jZevN5UZLOguNdUhrMs1193+WZe1HJjk4113aJWHKXXCt8+NQPNalCw+CbBQ==","signature_status":"signed_v1","signed_at":"2026-06-01T01:03:15.176655Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.30765","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa1c6f3d3e7cc0d5b71b03add9e9fd235b623dbbb459f16f18cb789c021fc288","sha256:26252c12757b7fe5f6da27d795c05d0eff9a7d6bad728869a5f6e99508125a92"],"state_sha256":"ff009e9423d61d76e2f457c9c243249637770b5e2fe2bb5f130147dfdd3de91b"}