{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:YP2WBCSAY6QEBFSZ3WXXBDZV5N","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":"070db2913c1c4cfc03b2c8fa23413c33ffa8be9c39f56da40c1331d524b3a6b6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2026-08-05T10:22:25Z","title_canon_sha256":"72f990ede1894b0ab200b7e8845cd7ce6011adb6366aa1cdb8fda8507557d364"},"schema_version":"1.0","source":{"id":"2608.06415","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.06415","created_at":"2026-08-10T01:10:36Z"},{"alias_kind":"arxiv_version","alias_value":"2608.06415v1","created_at":"2026-08-10T01:10:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.06415","created_at":"2026-08-10T01:10:36Z"},{"alias_kind":"pith_short_12","alias_value":"YP2WBCSAY6QE","created_at":"2026-08-10T01:10:36Z"},{"alias_kind":"pith_short_16","alias_value":"YP2WBCSAY6QEBFSZ","created_at":"2026-08-10T01:10:36Z"},{"alias_kind":"pith_short_8","alias_value":"YP2WBCSA","created_at":"2026-08-10T01:10:36Z"}],"graph_snapshots":[{"event_id":"sha256:49d92e5130f1e51e174afc1b57230dfc479abda26fde0f5f24acd321d5214734","target":"graph","created_at":"2026-08-10T01:10:36Z","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/2608.06415/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Accurate ground-state energies are essential for understanding molecular structure, chemical bonding, and reaction energetics in quantum chemistry. In this work, we investigate the ground-state properties of the molecular systems HeH$^+$, ArH$^+$, and H$_2$O using Sample-Based Quantum Diagonalization (SQD), a hybrid quantum-classical framework designed for near-term quantum devices. Unlike variational approaches such as VQE, which require deep parameterized circuits and repeated expectation-value measurements, SQD reconstructs a low-energy determinant subspace directly from measured bitstrings","authors_text":"Chae-Hyun Yoon, Jubin Park, MinKyu Lee, Myung-Ki Cheoun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2026-08-05T10:22:25Z","title":"Ground-State Energy Estimation of HeH$^{+}$, ArH$^{+}$, and H$_2$O via Sample-Based Quantum Diagonalization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.06415","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":"sha256:9e3d1a5c55b03026fb0c29bb20f3dc638e3ea9bd77ef09b05dd3901feaf70a5f","target":"record","created_at":"2026-08-10T01:10:36Z","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":"070db2913c1c4cfc03b2c8fa23413c33ffa8be9c39f56da40c1331d524b3a6b6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2026-08-05T10:22:25Z","title_canon_sha256":"72f990ede1894b0ab200b7e8845cd7ce6011adb6366aa1cdb8fda8507557d364"},"schema_version":"1.0","source":{"id":"2608.06415","kind":"arxiv","version":1}},"canonical_sha256":"c3f5608a40c7a0409659ddaf708f35eb4dc212e57189bfa1f3b34f9928f242c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c3f5608a40c7a0409659ddaf708f35eb4dc212e57189bfa1f3b34f9928f242c2","first_computed_at":"2026-08-10T01:10:36.742396Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-10T01:10:36.742396Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HoEBap6vxMlGRW31eoqine9xRBd+BbhoEVQvRVi4ticuidhqGZrkWL3DfG943TGBeZcJGCCF1WTW0urFDwgGBg==","signature_status":"signed_v1","signed_at":"2026-08-10T01:10:36.744537Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.06415","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e3d1a5c55b03026fb0c29bb20f3dc638e3ea9bd77ef09b05dd3901feaf70a5f","sha256:49d92e5130f1e51e174afc1b57230dfc479abda26fde0f5f24acd321d5214734"],"state_sha256":"81f29c0842d02479e2a3d3dc94ed4b31b339279729e2539c6a493a609cc16d82"}