{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:725FYWI4KH4BG4AWCJMBRLJGQD","short_pith_number":"pith:725FYWI4","schema_version":"1.0","canonical_sha256":"feba5c591c51f8137016125818ad2680debd9df0daa438076469cca022359aa6","source":{"kind":"arxiv","id":"1401.8243","version":2},"attestation_state":"computed","paper":{"title":"Discord of response","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"quant-ph","authors_text":"F. Illuminati, S. M. Giampaolo, W. Roga","submitted_at":"2014-01-31T17:56:52Z","abstract_excerpt":"The presence of quantum correlations in a quantum state is related to the state response to local unitary perturbations. Such response is quantified by the distance between the unperturbed and perturbed states, minimized with respect to suitably identified sets of local unitary operations. In order to be a bona fide measure of quantum correlations, the distance function must be chosen among those that are contractive under completely positive and trace preserving maps. The most relevant instances of such physically well behaved metrics include the trace, the Bures, and the Hellinger distance. "},"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":"1401.8243","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-31T17:56:52Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"4ddfffc7912beaaa67362a2fe3ef853d0fe6987b71fb5d71dd51bce7f86540dc","abstract_canon_sha256":"a273503ae11b3c0846e812c58ee9b2632320e1e0d0d457074df32719f7394af7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:40.272728Z","signature_b64":"Ud6e6rmLpcVQVcIhyFW636FKxX0L5RAF4e+MPOeVBIruhPfFXWCsWpliCxRninllgkfXNqONfdpaSiVIr6DTDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"feba5c591c51f8137016125818ad2680debd9df0daa438076469cca022359aa6","last_reissued_at":"2026-05-18T02:44:40.272055Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:40.272055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discord of response","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"quant-ph","authors_text":"F. Illuminati, S. M. Giampaolo, W. Roga","submitted_at":"2014-01-31T17:56:52Z","abstract_excerpt":"The presence of quantum correlations in a quantum state is related to the state response to local unitary perturbations. Such response is quantified by the distance between the unperturbed and perturbed states, minimized with respect to suitably identified sets of local unitary operations. In order to be a bona fide measure of quantum correlations, the distance function must be chosen among those that are contractive under completely positive and trace preserving maps. The most relevant instances of such physically well behaved metrics include the trace, the Bures, and the Hellinger distance. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.8243","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":"1401.8243","created_at":"2026-05-18T02:44:40.272167+00:00"},{"alias_kind":"arxiv_version","alias_value":"1401.8243v2","created_at":"2026-05-18T02:44:40.272167+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.8243","created_at":"2026-05-18T02:44:40.272167+00:00"},{"alias_kind":"pith_short_12","alias_value":"725FYWI4KH4B","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_16","alias_value":"725FYWI4KH4BG4AW","created_at":"2026-05-18T12:28:16.859392+00:00"},{"alias_kind":"pith_short_8","alias_value":"725FYWI4","created_at":"2026-05-18T12:28:16.859392+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/725FYWI4KH4BG4AWCJMBRLJGQD","json":"https://pith.science/pith/725FYWI4KH4BG4AWCJMBRLJGQD.json","graph_json":"https://pith.science/api/pith-number/725FYWI4KH4BG4AWCJMBRLJGQD/graph.json","events_json":"https://pith.science/api/pith-number/725FYWI4KH4BG4AWCJMBRLJGQD/events.json","paper":"https://pith.science/paper/725FYWI4"},"agent_actions":{"view_html":"https://pith.science/pith/725FYWI4KH4BG4AWCJMBRLJGQD","download_json":"https://pith.science/pith/725FYWI4KH4BG4AWCJMBRLJGQD.json","view_paper":"https://pith.science/paper/725FYWI4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1401.8243&json=true","fetch_graph":"https://pith.science/api/pith-number/725FYWI4KH4BG4AWCJMBRLJGQD/graph.json","fetch_events":"https://pith.science/api/pith-number/725FYWI4KH4BG4AWCJMBRLJGQD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/725FYWI4KH4BG4AWCJMBRLJGQD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/725FYWI4KH4BG4AWCJMBRLJGQD/action/storage_attestation","attest_author":"https://pith.science/pith/725FYWI4KH4BG4AWCJMBRLJGQD/action/author_attestation","sign_citation":"https://pith.science/pith/725FYWI4KH4BG4AWCJMBRLJGQD/action/citation_signature","submit_replication":"https://pith.science/pith/725FYWI4KH4BG4AWCJMBRLJGQD/action/replication_record"}},"created_at":"2026-05-18T02:44:40.272167+00:00","updated_at":"2026-05-18T02:44:40.272167+00:00"}