{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:57YWGCBR4JLK4K4F2PUAY6X6NN","short_pith_number":"pith:57YWGCBR","schema_version":"1.0","canonical_sha256":"eff1630831e256ae2b85d3e80c7afe6b4f058dff566f445c4e11cef5b5a86e2b","source":{"kind":"arxiv","id":"2605.28055","version":1},"attestation_state":"computed","paper":{"title":"Cavity-Induced Suppression of Entanglement and Enhancement of Quantum Discord","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Harkirat Singh Sahota, Shagun Kaushal","submitted_at":"2026-05-27T07:02:05Z","abstract_excerpt":"We study correlations between two Unruh-DeWitt detectors coupled to a scalar field in a cylindrical cavity. Boundary conditions strongly modify the detector-correlation dynamics relative to free space. The entanglement negativity is suppressed in the cavity and vanishes for smaller separation as compared to the free space. Increasing the cavity radius does not recover the free-space behavior of the negativity. In contrast, mutual information and quantum discord remain nonzero over much larger separations. While the mutual information decays monotonically with separation, the quantum discord is"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2605.28055","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-05-27T07:02:05Z","cross_cats_sorted":[],"title_canon_sha256":"cbfcede3e486de43302c52369b0b8e0b356ef6dc4760f6abe758d8034bcf8fb8","abstract_canon_sha256":"5c9e8675a183b7022a9f0a240dcd4cf7c08fcfbae49142b0d6d5ee18c239e989"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-28T01:04:57.241096Z","signature_b64":"01Jhb+aRAdQogeS8jHn7lk7f4GZsxDZiGBlXveecLfpOnYBWqm2VEyfSiCkiERD3ARlhFig0DSJUK5VVuwb4Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eff1630831e256ae2b85d3e80c7afe6b4f058dff566f445c4e11cef5b5a86e2b","last_reissued_at":"2026-05-28T01:04:57.240632Z","signature_status":"signed_v1","first_computed_at":"2026-05-28T01:04:57.240632Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cavity-Induced Suppression of Entanglement and Enhancement of Quantum Discord","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Harkirat Singh Sahota, Shagun Kaushal","submitted_at":"2026-05-27T07:02:05Z","abstract_excerpt":"We study correlations between two Unruh-DeWitt detectors coupled to a scalar field in a cylindrical cavity. Boundary conditions strongly modify the detector-correlation dynamics relative to free space. The entanglement negativity is suppressed in the cavity and vanishes for smaller separation as compared to the free space. Increasing the cavity radius does not recover the free-space behavior of the negativity. In contrast, mutual information and quantum discord remain nonzero over much larger separations. While the mutual information decays monotonically with separation, the quantum discord is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.28055","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.28055/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2605.28055","created_at":"2026-05-28T01:04:57.240696+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.28055v1","created_at":"2026-05-28T01:04:57.240696+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.28055","created_at":"2026-05-28T01:04:57.240696+00:00"},{"alias_kind":"pith_short_12","alias_value":"57YWGCBR4JLK","created_at":"2026-05-28T01:04:57.240696+00:00"},{"alias_kind":"pith_short_16","alias_value":"57YWGCBR4JLK4K4F","created_at":"2026-05-28T01:04:57.240696+00:00"},{"alias_kind":"pith_short_8","alias_value":"57YWGCBR","created_at":"2026-05-28T01:04:57.240696+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/57YWGCBR4JLK4K4F2PUAY6X6NN","json":"https://pith.science/pith/57YWGCBR4JLK4K4F2PUAY6X6NN.json","graph_json":"https://pith.science/api/pith-number/57YWGCBR4JLK4K4F2PUAY6X6NN/graph.json","events_json":"https://pith.science/api/pith-number/57YWGCBR4JLK4K4F2PUAY6X6NN/events.json","paper":"https://pith.science/paper/57YWGCBR"},"agent_actions":{"view_html":"https://pith.science/pith/57YWGCBR4JLK4K4F2PUAY6X6NN","download_json":"https://pith.science/pith/57YWGCBR4JLK4K4F2PUAY6X6NN.json","view_paper":"https://pith.science/paper/57YWGCBR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.28055&json=true","fetch_graph":"https://pith.science/api/pith-number/57YWGCBR4JLK4K4F2PUAY6X6NN/graph.json","fetch_events":"https://pith.science/api/pith-number/57YWGCBR4JLK4K4F2PUAY6X6NN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/57YWGCBR4JLK4K4F2PUAY6X6NN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/57YWGCBR4JLK4K4F2PUAY6X6NN/action/storage_attestation","attest_author":"https://pith.science/pith/57YWGCBR4JLK4K4F2PUAY6X6NN/action/author_attestation","sign_citation":"https://pith.science/pith/57YWGCBR4JLK4K4F2PUAY6X6NN/action/citation_signature","submit_replication":"https://pith.science/pith/57YWGCBR4JLK4K4F2PUAY6X6NN/action/replication_record"}},"created_at":"2026-05-28T01:04:57.240696+00:00","updated_at":"2026-05-28T01:04:57.240696+00:00"}