{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:VSDAL5L5ETPV2DATIMBZTZEM6T","short_pith_number":"pith:VSDAL5L5","schema_version":"1.0","canonical_sha256":"ac8605f57d24df5d0c13430399e48cf4f71b467e74f170f709bcb305242250ac","source":{"kind":"arxiv","id":"2111.01069","version":1},"attestation_state":"computed","paper":{"title":"Quantum illumination with a light absorbing target","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Aditi Sen De, Rivu Gupta, Saptarshi Roy, Tamoghna Das","submitted_at":"2021-11-01T16:30:08Z","abstract_excerpt":"In a quantum illumination (QI) protocol, the task is to detect the presence of the target which is typically modelled by a partially reflecting beam splitter. We analyze the performance of QI when the target absorbs part of the light that falls on it, thereby making the scenario more realistic. We present an optical setup that models a target with these characteristics and explore its detectability in the quantum domain in terms of the Chernoff bound (CB). For an idler-free setup, we use the coherent state for QI while the two mode squeezed vacuum (TMSV) state is employed in the signal-idler s"},"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":"2111.01069","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-11-01T16:30:08Z","cross_cats_sorted":[],"title_canon_sha256":"adf35b05e8661c450521ec0001af7648b68d82b3aed9675efdcfa991852fe223","abstract_canon_sha256":"56f6922b5171036577692724ce51dac1fe335d743e9105c6e7b64f6c7a199373"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:27:53.238897Z","signature_b64":"cNP6FSkmHtxFkmjx2i1Cwa7dzWefkoIlXgJi2tQjOwzlIzkP3/U5pM2jRfusQzCKoq7YRMHkheGg5UUAB9k3Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ac8605f57d24df5d0c13430399e48cf4f71b467e74f170f709bcb305242250ac","last_reissued_at":"2026-07-05T03:27:53.238473Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:27:53.238473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum illumination with a light absorbing target","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Aditi Sen De, Rivu Gupta, Saptarshi Roy, Tamoghna Das","submitted_at":"2021-11-01T16:30:08Z","abstract_excerpt":"In a quantum illumination (QI) protocol, the task is to detect the presence of the target which is typically modelled by a partially reflecting beam splitter. We analyze the performance of QI when the target absorbs part of the light that falls on it, thereby making the scenario more realistic. We present an optical setup that models a target with these characteristics and explore its detectability in the quantum domain in terms of the Chernoff bound (CB). For an idler-free setup, we use the coherent state for QI while the two mode squeezed vacuum (TMSV) state is employed in the signal-idler s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.01069","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/2111.01069/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":"2111.01069","created_at":"2026-07-05T03:27:53.238527+00:00"},{"alias_kind":"arxiv_version","alias_value":"2111.01069v1","created_at":"2026-07-05T03:27:53.238527+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.01069","created_at":"2026-07-05T03:27:53.238527+00:00"},{"alias_kind":"pith_short_12","alias_value":"VSDAL5L5ETPV","created_at":"2026-07-05T03:27:53.238527+00:00"},{"alias_kind":"pith_short_16","alias_value":"VSDAL5L5ETPV2DAT","created_at":"2026-07-05T03:27:53.238527+00:00"},{"alias_kind":"pith_short_8","alias_value":"VSDAL5L5","created_at":"2026-07-05T03:27:53.238527+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/VSDAL5L5ETPV2DATIMBZTZEM6T","json":"https://pith.science/pith/VSDAL5L5ETPV2DATIMBZTZEM6T.json","graph_json":"https://pith.science/api/pith-number/VSDAL5L5ETPV2DATIMBZTZEM6T/graph.json","events_json":"https://pith.science/api/pith-number/VSDAL5L5ETPV2DATIMBZTZEM6T/events.json","paper":"https://pith.science/paper/VSDAL5L5"},"agent_actions":{"view_html":"https://pith.science/pith/VSDAL5L5ETPV2DATIMBZTZEM6T","download_json":"https://pith.science/pith/VSDAL5L5ETPV2DATIMBZTZEM6T.json","view_paper":"https://pith.science/paper/VSDAL5L5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2111.01069&json=true","fetch_graph":"https://pith.science/api/pith-number/VSDAL5L5ETPV2DATIMBZTZEM6T/graph.json","fetch_events":"https://pith.science/api/pith-number/VSDAL5L5ETPV2DATIMBZTZEM6T/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VSDAL5L5ETPV2DATIMBZTZEM6T/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VSDAL5L5ETPV2DATIMBZTZEM6T/action/storage_attestation","attest_author":"https://pith.science/pith/VSDAL5L5ETPV2DATIMBZTZEM6T/action/author_attestation","sign_citation":"https://pith.science/pith/VSDAL5L5ETPV2DATIMBZTZEM6T/action/citation_signature","submit_replication":"https://pith.science/pith/VSDAL5L5ETPV2DATIMBZTZEM6T/action/replication_record"}},"created_at":"2026-07-05T03:27:53.238527+00:00","updated_at":"2026-07-05T03:27:53.238527+00:00"}