{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:5CKNNEHYZBRU2RAR3J7RTUJJM5","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":"a4976b9d2da1d652da93f838f609c8cca3b3673faa5ec98661257acafc27b60d","cross_cats_sorted":["cs.SY","eess.SY","math.OC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-08-24T17:55:07Z","title_canon_sha256":"2d5fb0d88e5f70e5625109fdfec46af7bea73c3c1e13b3ba9b3bcbdcd8e1728e"},"schema_version":"1.0","source":{"id":"2508.17471","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.17471","created_at":"2026-07-05T12:00:29Z"},{"alias_kind":"arxiv_version","alias_value":"2508.17471v2","created_at":"2026-07-05T12:00:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.17471","created_at":"2026-07-05T12:00:29Z"},{"alias_kind":"pith_short_12","alias_value":"5CKNNEHYZBRU","created_at":"2026-07-05T12:00:29Z"},{"alias_kind":"pith_short_16","alias_value":"5CKNNEHYZBRU2RAR","created_at":"2026-07-05T12:00:29Z"},{"alias_kind":"pith_short_8","alias_value":"5CKNNEHY","created_at":"2026-07-05T12:00:29Z"}],"graph_snapshots":[{"event_id":"sha256:11a12655bc4ff721ad7d9a1417bd3f975af34e3d6554ba557ccfb6ee69ef33e3","target":"graph","created_at":"2026-07-05T12:00:29Z","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/2508.17471/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a distributed algorithm and implementation of the variational quantum eigensolver (VQE), termed distributed VQE (DVQE). DVQE, provided as an open-source Python package, enables the execution of parameterized quantum circuits across multiple logical quantum processing units (QPUs) in a distributed fashion. This approach addresses key hardware limitations of near-term quantum devices, including restricted qubit counts and limited circuit depth. Distributed ansatz circuits are constructed to preserve the quantum state fidelity of their monolithic counterparts, allowing consistent energ","authors_text":"Amin Kargarian, Milad Hasanzadeh","cross_cats":["cs.SY","eess.SY","math.OC"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-08-24T17:55:07Z","title":"Distributed Implementation of Variational Quantum Eigensolver to Solve QUBO Problems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.17471","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:a3a568d460573a86d6722c8a5a81bd4e7f8c216f0c210fb428240252e7b5d1a4","target":"record","created_at":"2026-07-05T12:00:29Z","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":"a4976b9d2da1d652da93f838f609c8cca3b3673faa5ec98661257acafc27b60d","cross_cats_sorted":["cs.SY","eess.SY","math.OC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-08-24T17:55:07Z","title_canon_sha256":"2d5fb0d88e5f70e5625109fdfec46af7bea73c3c1e13b3ba9b3bcbdcd8e1728e"},"schema_version":"1.0","source":{"id":"2508.17471","kind":"arxiv","version":2}},"canonical_sha256":"e894d690f8c8634d4411da7f19d12967456fa1934f79de31b285ebcc7215dff0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e894d690f8c8634d4411da7f19d12967456fa1934f79de31b285ebcc7215dff0","first_computed_at":"2026-07-05T12:00:29.096928Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:00:29.096928Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8lw1JnU9aWTbF1EG/ifh+Xv80xt1dv9xIsHYpmyjW+MWbNm5TwiOTC3prlKUJvEsI7G4DRRe9iDIhzXruL8OBg==","signature_status":"signed_v1","signed_at":"2026-07-05T12:00:29.097495Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.17471","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3a568d460573a86d6722c8a5a81bd4e7f8c216f0c210fb428240252e7b5d1a4","sha256:11a12655bc4ff721ad7d9a1417bd3f975af34e3d6554ba557ccfb6ee69ef33e3"],"state_sha256":"9d9ce97090a40870a46011ca59952b046026d4d78585afbc4727acd0f95116aa"}