{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:VCTBBEGGZQ3B7YH5K7IMXUIZPH","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":"c7463d6c753e68209ecd22c037efd253c63567a9cbe42b64177f384726964448","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T20:45:17Z","title_canon_sha256":"4345e59343a68c6200727c8e65db40d4ca98ac2b946cf87b7bf406588071f58e"},"schema_version":"1.0","source":{"id":"2606.19589","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19589","created_at":"2026-06-19T16:12:29Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19589v1","created_at":"2026-06-19T16:12:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19589","created_at":"2026-06-19T16:12:29Z"},{"alias_kind":"pith_short_12","alias_value":"VCTBBEGGZQ3B","created_at":"2026-06-19T16:12:29Z"},{"alias_kind":"pith_short_16","alias_value":"VCTBBEGGZQ3B7YH5","created_at":"2026-06-19T16:12:29Z"},{"alias_kind":"pith_short_8","alias_value":"VCTBBEGG","created_at":"2026-06-19T16:12:29Z"}],"graph_snapshots":[{"event_id":"sha256:9042ae32031cd3af0192d49c3a2acbae81ad564bab49fa05f952f8ad7e91c016","target":"graph","created_at":"2026-06-19T16:12:29Z","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/2606.19589/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the problem of emergency operation center placement in disaster response, where a minimal number of hubs must be selected to ensure timely coverage of all affected locations. This task can be formulated as a minimum dominating set problem on a graph encoding reachability within a target response time. We propose a hybrid quantum-classical approximation framework that leverages neutral-atom quantum computers as independent set samplers. Candidate dominating sets are constructed from both small maximal independent sets and complements of large independent sets, and are subsequently refi","authors_text":"Daniele Dragoni, Francesco Ferrari, Francesco Tudisco, Matteo Vandelli, Sara Tarquini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T20:45:17Z","title":"Emergency hub placement with a neutral-atom quantum computer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19589","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:a0ee3c0b3b76a3a08d620181d04ff68bf4bb3ab302b4b9721adfc26a23926dbf","target":"record","created_at":"2026-06-19T16:12:29Z","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":"c7463d6c753e68209ecd22c037efd253c63567a9cbe42b64177f384726964448","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-17T20:45:17Z","title_canon_sha256":"4345e59343a68c6200727c8e65db40d4ca98ac2b946cf87b7bf406588071f58e"},"schema_version":"1.0","source":{"id":"2606.19589","kind":"arxiv","version":1}},"canonical_sha256":"a8a61090c6cc361fe0fd57d0cbd11979fad4c03951f98cc6da679a1591860c96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a8a61090c6cc361fe0fd57d0cbd11979fad4c03951f98cc6da679a1591860c96","first_computed_at":"2026-06-19T16:12:29.598354Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:12:29.598354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z0qSzB6o1P/LiD7odgKVu0TvMKHKKRZeWYNN2xbH0mCElPMTLILWaQdr23WSi0NGGWEixrVLMxS1gi4yiFFIDg==","signature_status":"signed_v1","signed_at":"2026-06-19T16:12:29.598712Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.19589","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0ee3c0b3b76a3a08d620181d04ff68bf4bb3ab302b4b9721adfc26a23926dbf","sha256:9042ae32031cd3af0192d49c3a2acbae81ad564bab49fa05f952f8ad7e91c016"],"state_sha256":"6ef5679d026e306ff4d3e5803e888230e9ca090e3c44b16dee72bf301a7939a1"}