{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:O75IV6DP4SCFUOPMFQWZSUNR5O","short_pith_number":"pith:O75IV6DP","schema_version":"1.0","canonical_sha256":"77fa8af86fe4845a39ec2c2d9951b1ebb795ec2254b6081678824c40cc1a53d7","source":{"kind":"arxiv","id":"1204.6042","version":2},"attestation_state":"computed","paper":{"title":"Quantum discord as a resource in quantum communication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Animesh Datta, Vaibhav Madhok","submitted_at":"2012-04-26T20:00:09Z","abstract_excerpt":"As quantum technologies move from the issues of principle to those of practice, it is important to understand the limitations on attaining tangible quantum advantages. In the realm of quantum communication, quantum discord captures the damaging effects of a decoherent environment. This is a consequence of quantum discord quantifying the advantage of quantum coherence in quantum communication. This establishes quantum discord as a resource for quantum communication processes. We discuss this progress, which derives a quantitative relation between the yield of the fully quantum Slepian-Wolf prot"},"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":"1204.6042","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-26T20:00:09Z","cross_cats_sorted":[],"title_canon_sha256":"29a453cfd86b5f27459ff840cfb0b505347bb75e9ec0e78e053bd33c7c061b72","abstract_canon_sha256":"f8d8045fe84f40f0d3ab9484e088970d5b92226f181ca60febb7eb05bfacfcac"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:43:07.204788Z","signature_b64":"TjmlTRLItFEo3v20ciosd6gE3M7aJZKgsAf+scN4sOlQQVnZw5ZOyJuG4sSVczoEbInTdhjK78AvUAjbx8ahCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77fa8af86fe4845a39ec2c2d9951b1ebb795ec2254b6081678824c40cc1a53d7","last_reissued_at":"2026-05-18T03:43:07.204020Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:43:07.204020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum discord as a resource in quantum communication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Animesh Datta, Vaibhav Madhok","submitted_at":"2012-04-26T20:00:09Z","abstract_excerpt":"As quantum technologies move from the issues of principle to those of practice, it is important to understand the limitations on attaining tangible quantum advantages. In the realm of quantum communication, quantum discord captures the damaging effects of a decoherent environment. This is a consequence of quantum discord quantifying the advantage of quantum coherence in quantum communication. This establishes quantum discord as a resource for quantum communication processes. We discuss this progress, which derives a quantitative relation between the yield of the fully quantum Slepian-Wolf prot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.6042","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":"1204.6042","created_at":"2026-05-18T03:43:07.204134+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.6042v2","created_at":"2026-05-18T03:43:07.204134+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.6042","created_at":"2026-05-18T03:43:07.204134+00:00"},{"alias_kind":"pith_short_12","alias_value":"O75IV6DP4SCF","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_16","alias_value":"O75IV6DP4SCFUOPM","created_at":"2026-05-18T12:27:16.716162+00:00"},{"alias_kind":"pith_short_8","alias_value":"O75IV6DP","created_at":"2026-05-18T12:27:16.716162+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/O75IV6DP4SCFUOPMFQWZSUNR5O","json":"https://pith.science/pith/O75IV6DP4SCFUOPMFQWZSUNR5O.json","graph_json":"https://pith.science/api/pith-number/O75IV6DP4SCFUOPMFQWZSUNR5O/graph.json","events_json":"https://pith.science/api/pith-number/O75IV6DP4SCFUOPMFQWZSUNR5O/events.json","paper":"https://pith.science/paper/O75IV6DP"},"agent_actions":{"view_html":"https://pith.science/pith/O75IV6DP4SCFUOPMFQWZSUNR5O","download_json":"https://pith.science/pith/O75IV6DP4SCFUOPMFQWZSUNR5O.json","view_paper":"https://pith.science/paper/O75IV6DP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.6042&json=true","fetch_graph":"https://pith.science/api/pith-number/O75IV6DP4SCFUOPMFQWZSUNR5O/graph.json","fetch_events":"https://pith.science/api/pith-number/O75IV6DP4SCFUOPMFQWZSUNR5O/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/O75IV6DP4SCFUOPMFQWZSUNR5O/action/timestamp_anchor","attest_storage":"https://pith.science/pith/O75IV6DP4SCFUOPMFQWZSUNR5O/action/storage_attestation","attest_author":"https://pith.science/pith/O75IV6DP4SCFUOPMFQWZSUNR5O/action/author_attestation","sign_citation":"https://pith.science/pith/O75IV6DP4SCFUOPMFQWZSUNR5O/action/citation_signature","submit_replication":"https://pith.science/pith/O75IV6DP4SCFUOPMFQWZSUNR5O/action/replication_record"}},"created_at":"2026-05-18T03:43:07.204134+00:00","updated_at":"2026-05-18T03:43:07.204134+00:00"}