{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:DSKQZEALH3CVDLLAKEY2HHUQTC","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":"1fba75eb3c7e7d6d4229f672ef0374df1bc7a2ac37c4a942518b8168802572e0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-19T13:23:50Z","title_canon_sha256":"03d53f15f79fb7f3a6cab977a6fc9b87ced25307fd661950ca86ea4d4908a09c"},"schema_version":"1.0","source":{"id":"2605.19827","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19827","created_at":"2026-05-20T01:06:16Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19827v1","created_at":"2026-05-20T01:06:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19827","created_at":"2026-05-20T01:06:16Z"},{"alias_kind":"pith_short_12","alias_value":"DSKQZEALH3CV","created_at":"2026-05-20T01:06:16Z"},{"alias_kind":"pith_short_16","alias_value":"DSKQZEALH3CVDLLA","created_at":"2026-05-20T01:06:16Z"},{"alias_kind":"pith_short_8","alias_value":"DSKQZEAL","created_at":"2026-05-20T01:06:16Z"}],"graph_snapshots":[{"event_id":"sha256:4543866f48921751a999679a6b4452d26e935eeee99f82e7f1468fb1ffda0d66","target":"graph","created_at":"2026-05-20T01:06:16Z","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/2605.19827/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Variational quantum algorithms (VQAs) for combinatorial optimization routinely employ entangling gates as a default design choice, yet the role of entanglement, in its amount and structure, remains poorly understood. This gap is particularly consequential for problems governed by diagonal Hamiltonians, whose ground states are classical product states and therefore require no entanglement in principle, raising the fundamental question of whether and how entangling gates help or hinder the variational search. We investigate this question for MaxCut by introducing two complementary control mechan","authors_text":"Claudia Linnhoff-Popien, Federico Harjes Ruiloba, Gerhard Stenzel, Markus Baumann, Philipp Altmann, Tobias Rohe","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-19T13:23:50Z","title":"Detrimental Agnostic Entanglement: The Case Against Hardware-Efficient Ans\\\"atze for Combinatorial Optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19827","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":"sha256:0ef171b07e3f04a3245edc47bc249be00612f411f688a4d4821bc1f38dac2a43","target":"record","created_at":"2026-05-20T01:06:16Z","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":"1fba75eb3c7e7d6d4229f672ef0374df1bc7a2ac37c4a942518b8168802572e0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-19T13:23:50Z","title_canon_sha256":"03d53f15f79fb7f3a6cab977a6fc9b87ced25307fd661950ca86ea4d4908a09c"},"schema_version":"1.0","source":{"id":"2605.19827","kind":"arxiv","version":1}},"canonical_sha256":"1c950c900b3ec551ad605131a39e9098b45dfc76e56abe1a46c67cad00667114","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c950c900b3ec551ad605131a39e9098b45dfc76e56abe1a46c67cad00667114","first_computed_at":"2026-05-20T01:06:16.540137Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:06:16.540137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FQ0H1mALx8O2pj/avuNRdYCg7L/H7CPDzA/ls8fa3hIQWh6vRr9uOulapHY45rTCGeLqryKEArqAk8IhBaMTCA==","signature_status":"signed_v1","signed_at":"2026-05-20T01:06:16.540905Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.19827","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ef171b07e3f04a3245edc47bc249be00612f411f688a4d4821bc1f38dac2a43","sha256:4543866f48921751a999679a6b4452d26e935eeee99f82e7f1468fb1ffda0d66"],"state_sha256":"886a1f95c4e3bfe65c34ba3f2e372eb0fdf92a6f5b70c20caa0129db8694735d"}