{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:56FN3XYV62H7U6KAA6IDB2EC25","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":"e22988e6caa1deab987a811b366e8fc46f906d88548875095f4763ad054dafe1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-02-07T07:37:04Z","title_canon_sha256":"947f7c0fb7ca65feda244904f2de8dd4018098d8c6484e7815374f08d125af76"},"schema_version":"1.0","source":{"id":"2202.02983","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.02983","created_at":"2026-07-05T03:54:34Z"},{"alias_kind":"arxiv_version","alias_value":"2202.02983v1","created_at":"2026-07-05T03:54:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.02983","created_at":"2026-07-05T03:54:34Z"},{"alias_kind":"pith_short_12","alias_value":"56FN3XYV62H7","created_at":"2026-07-05T03:54:34Z"},{"alias_kind":"pith_short_16","alias_value":"56FN3XYV62H7U6KA","created_at":"2026-07-05T03:54:34Z"},{"alias_kind":"pith_short_8","alias_value":"56FN3XYV","created_at":"2026-07-05T03:54:34Z"}],"graph_snapshots":[{"event_id":"sha256:5d8f0a140257de8a8598562c60945846fb61530ea03031cfc6fdce205b9d26f5","target":"graph","created_at":"2026-07-05T03:54:34Z","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/2202.02983/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"SpinQ Triangulum is the second generation of the desktop quantum computers designed and manufactured by SpinQ Technology. SpinQ's desktop quantum computer series, based on room temperature NMR spectrometer, provide light-weighted, cost-effective and maintenance-free quantum computing platforms that aim to provide real-device experience for quantum computing education for K-12 and college level. These platforms also feature quantum control design capabilities for studying quantum control and quantum noise. Compared with the first generation product, the two-qubit SpinQ Gemini, Triangulum featur","authors_text":"Bei Zeng, Bing Ren, Chenxing Chen, Guanru Feng, Guoxing Miao, Hongyang Zou, Jingen Xiang, Kaihong Ma, Sheng Yu, Shi-yao Hou, Wei Shi, Xin Rao, Zikai Sheng","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-02-07T07:37:04Z","title":"SpinQ Triangulum: a commercial three-qubit desktop quantum computer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.02983","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:a06f064259cc7f79987c5571eaf74e0ee4334b4ce4f21b908778a0014982dfb4","target":"record","created_at":"2026-07-05T03:54:34Z","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":"e22988e6caa1deab987a811b366e8fc46f906d88548875095f4763ad054dafe1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-02-07T07:37:04Z","title_canon_sha256":"947f7c0fb7ca65feda244904f2de8dd4018098d8c6484e7815374f08d125af76"},"schema_version":"1.0","source":{"id":"2202.02983","kind":"arxiv","version":1}},"canonical_sha256":"ef8adddf15f68ffa7940079030e882d779cda163d9a9b575530224266aab539b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef8adddf15f68ffa7940079030e882d779cda163d9a9b575530224266aab539b","first_computed_at":"2026-07-05T03:54:34.700159Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:54:34.700159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V0LIxB9M3SKX0vY26TPmII+t0FST04ucf59Rbnd7cxkuNPmtEWz4EMfjxXO2Uwftz0riQ++RzMCjzpCRjDYQCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:54:34.700582Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.02983","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a06f064259cc7f79987c5571eaf74e0ee4334b4ce4f21b908778a0014982dfb4","sha256:5d8f0a140257de8a8598562c60945846fb61530ea03031cfc6fdce205b9d26f5"],"state_sha256":"a429f609555680d6d02921d363a999c958e5b3b75f9db5bef3d22e8fe4a9ab10"}