{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:ZORO5WH4SNSWJUYWMCG6RE4XWP","short_pith_number":"pith:ZORO5WH4","schema_version":"1.0","canonical_sha256":"cba2eed8fc936564d316608de89397b3f33690190e9d767d78d915dea1143004","source":{"kind":"arxiv","id":"0912.5112","version":2},"attestation_state":"computed","paper":{"title":"Identifying the quantum correlations in light-harvesting complexes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph","physics.chem-ph"],"primary_cat":"quant-ph","authors_text":"Dmitry B. Uskov, Kamil Bradler, Mark M. Wilde, Sai Vinjanampathy","submitted_at":"2009-12-30T20:31:49Z","abstract_excerpt":"One of the major efforts in the quantum biological program is to subject biological systems to standard tests or measures of quantumness. These tests and measures should elucidate if non-trivial quantum effects may be present in biological systems. Two such measures of quantum correlations are the quantum discord and the relative entropy of entanglement. Here, we show that the relative entropy of entanglement admits a simple analytic form when dynamics and accessible degrees of freedom are restricted to a zero- and single-excitation subspace. We also simulate and calculate the amount of quantu"},"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":"0912.5112","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-12-30T20:31:49Z","cross_cats_sorted":["physics.bio-ph","physics.chem-ph"],"title_canon_sha256":"9c20c789653b74956f794be51d961c00cc0e6926a82ad610240c769d320e3432","abstract_canon_sha256":"1930bc67d4cbb034b6e914e0d82dfbd880c2918f04c625115d0f7cf59c80556d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:29.474464Z","signature_b64":"CMaV7CXYc+ikkZ5ZJM+3b2fOmiFddAtjq8yWpai/m6H+mvYR2J357FAxKruaDTMDvDK4FBrsJKHc8rfpTia7BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cba2eed8fc936564d316608de89397b3f33690190e9d767d78d915dea1143004","last_reissued_at":"2026-05-18T04:33:29.473910Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:29.473910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Identifying the quantum correlations in light-harvesting complexes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.bio-ph","physics.chem-ph"],"primary_cat":"quant-ph","authors_text":"Dmitry B. Uskov, Kamil Bradler, Mark M. Wilde, Sai Vinjanampathy","submitted_at":"2009-12-30T20:31:49Z","abstract_excerpt":"One of the major efforts in the quantum biological program is to subject biological systems to standard tests or measures of quantumness. These tests and measures should elucidate if non-trivial quantum effects may be present in biological systems. Two such measures of quantum correlations are the quantum discord and the relative entropy of entanglement. Here, we show that the relative entropy of entanglement admits a simple analytic form when dynamics and accessible degrees of freedom are restricted to a zero- and single-excitation subspace. We also simulate and calculate the amount of quantu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.5112","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"0912.5112","created_at":"2026-05-18T04:33:29.473989+00:00"},{"alias_kind":"arxiv_version","alias_value":"0912.5112v2","created_at":"2026-05-18T04:33:29.473989+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.5112","created_at":"2026-05-18T04:33:29.473989+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZORO5WH4SNSW","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZORO5WH4SNSWJUYW","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZORO5WH4","created_at":"2026-05-18T12:26:03.138858+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/ZORO5WH4SNSWJUYWMCG6RE4XWP","json":"https://pith.science/pith/ZORO5WH4SNSWJUYWMCG6RE4XWP.json","graph_json":"https://pith.science/api/pith-number/ZORO5WH4SNSWJUYWMCG6RE4XWP/graph.json","events_json":"https://pith.science/api/pith-number/ZORO5WH4SNSWJUYWMCG6RE4XWP/events.json","paper":"https://pith.science/paper/ZORO5WH4"},"agent_actions":{"view_html":"https://pith.science/pith/ZORO5WH4SNSWJUYWMCG6RE4XWP","download_json":"https://pith.science/pith/ZORO5WH4SNSWJUYWMCG6RE4XWP.json","view_paper":"https://pith.science/paper/ZORO5WH4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0912.5112&json=true","fetch_graph":"https://pith.science/api/pith-number/ZORO5WH4SNSWJUYWMCG6RE4XWP/graph.json","fetch_events":"https://pith.science/api/pith-number/ZORO5WH4SNSWJUYWMCG6RE4XWP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZORO5WH4SNSWJUYWMCG6RE4XWP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZORO5WH4SNSWJUYWMCG6RE4XWP/action/storage_attestation","attest_author":"https://pith.science/pith/ZORO5WH4SNSWJUYWMCG6RE4XWP/action/author_attestation","sign_citation":"https://pith.science/pith/ZORO5WH4SNSWJUYWMCG6RE4XWP/action/citation_signature","submit_replication":"https://pith.science/pith/ZORO5WH4SNSWJUYWMCG6RE4XWP/action/replication_record"}},"created_at":"2026-05-18T04:33:29.473989+00:00","updated_at":"2026-05-18T04:33:29.473989+00:00"}