{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:7ULH7PE55O6CDDVY4R7MG3IZMU","short_pith_number":"pith:7ULH7PE5","schema_version":"1.0","canonical_sha256":"fd167fbc9debbc218eb8e47ec36d196533ce4c85733269b4b0f5e22eb13a829a","source":{"kind":"arxiv","id":"1112.2645","version":3},"attestation_state":"computed","paper":{"title":"Robust multipartite quantum correlations without complex encodings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Antonio Ac\\'in, Leandro Aolita, Rafael Chaves","submitted_at":"2011-12-12T18:15:20Z","abstract_excerpt":"One of the main challenges for the manipulation and storage of multipartite entanglement is its fragility under noise. We present a simple recipe for the systematic enhancement of the resistance of multipartite entanglement against any local noise with a privileged direction in the Bloch sphere. For the case of exact local dephasing along any given basis, and for all noise strengths, our prescription grants full robustness: Even states with exponentially decaying entanglement are mapped to states whose entanglement is constant. In contrast to previous techniques resorting to complex logical-qu"},"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":"1112.2645","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-12-12T18:15:20Z","cross_cats_sorted":[],"title_canon_sha256":"b9c8a7f2c1d0486d2ce22790fd4734894dd139cca4857bd6d6638ad51f915476","abstract_canon_sha256":"0acadef704ff9b6c0da25537dd82160953e85ef038c0ba71800ca4fa95916de9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:12:35.301265Z","signature_b64":"aJM68tc8Q5g+pvPdNblIIHCfUm7EnD4eDFxAN07yYeJg/BOS+jO7I0HT36atP3c/tz6JANZHCO7KEIYqKxn3Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd167fbc9debbc218eb8e47ec36d196533ce4c85733269b4b0f5e22eb13a829a","last_reissued_at":"2026-05-18T03:12:35.300699Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:12:35.300699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Robust multipartite quantum correlations without complex encodings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Antonio Ac\\'in, Leandro Aolita, Rafael Chaves","submitted_at":"2011-12-12T18:15:20Z","abstract_excerpt":"One of the main challenges for the manipulation and storage of multipartite entanglement is its fragility under noise. We present a simple recipe for the systematic enhancement of the resistance of multipartite entanglement against any local noise with a privileged direction in the Bloch sphere. For the case of exact local dephasing along any given basis, and for all noise strengths, our prescription grants full robustness: Even states with exponentially decaying entanglement are mapped to states whose entanglement is constant. In contrast to previous techniques resorting to complex logical-qu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.2645","kind":"arxiv","version":3},"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":"1112.2645","created_at":"2026-05-18T03:12:35.300795+00:00"},{"alias_kind":"arxiv_version","alias_value":"1112.2645v3","created_at":"2026-05-18T03:12:35.300795+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.2645","created_at":"2026-05-18T03:12:35.300795+00:00"},{"alias_kind":"pith_short_12","alias_value":"7ULH7PE55O6C","created_at":"2026-05-18T12:26:22.705136+00:00"},{"alias_kind":"pith_short_16","alias_value":"7ULH7PE55O6CDDVY","created_at":"2026-05-18T12:26:22.705136+00:00"},{"alias_kind":"pith_short_8","alias_value":"7ULH7PE5","created_at":"2026-05-18T12:26:22.705136+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/7ULH7PE55O6CDDVY4R7MG3IZMU","json":"https://pith.science/pith/7ULH7PE55O6CDDVY4R7MG3IZMU.json","graph_json":"https://pith.science/api/pith-number/7ULH7PE55O6CDDVY4R7MG3IZMU/graph.json","events_json":"https://pith.science/api/pith-number/7ULH7PE55O6CDDVY4R7MG3IZMU/events.json","paper":"https://pith.science/paper/7ULH7PE5"},"agent_actions":{"view_html":"https://pith.science/pith/7ULH7PE55O6CDDVY4R7MG3IZMU","download_json":"https://pith.science/pith/7ULH7PE55O6CDDVY4R7MG3IZMU.json","view_paper":"https://pith.science/paper/7ULH7PE5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1112.2645&json=true","fetch_graph":"https://pith.science/api/pith-number/7ULH7PE55O6CDDVY4R7MG3IZMU/graph.json","fetch_events":"https://pith.science/api/pith-number/7ULH7PE55O6CDDVY4R7MG3IZMU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7ULH7PE55O6CDDVY4R7MG3IZMU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7ULH7PE55O6CDDVY4R7MG3IZMU/action/storage_attestation","attest_author":"https://pith.science/pith/7ULH7PE55O6CDDVY4R7MG3IZMU/action/author_attestation","sign_citation":"https://pith.science/pith/7ULH7PE55O6CDDVY4R7MG3IZMU/action/citation_signature","submit_replication":"https://pith.science/pith/7ULH7PE55O6CDDVY4R7MG3IZMU/action/replication_record"}},"created_at":"2026-05-18T03:12:35.300795+00:00","updated_at":"2026-05-18T03:12:35.300795+00:00"}