{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:57HNHA5DOJV753UFS5IUWLDPOH","short_pith_number":"pith:57HNHA5D","schema_version":"1.0","canonical_sha256":"efced383a3726bfeee8597514b2c6f71d6eef4e1ed17b6a369fc583668ab264a","source":{"kind":"arxiv","id":"1402.4921","version":2},"attestation_state":"computed","paper":{"title":"Feed-forward control for quantum state protection against decoherence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bao-Ming Xu, Bin Shao, Chao-Quan Wang, Jian Zou, Jun-Gang Li, Yan Yan, Zhi He","submitted_at":"2014-02-20T07:55:03Z","abstract_excerpt":"We propose a novel scheme of feed-forward control and its reversal for protecting quantum state against decoherence. Before the noise channel our pre-weak measurement and feed-forward are just to change the protected state into the state almost immune to the noise channel, and after the channel our reversed operations and post-weak measurements are just to restore the protected state. Unlike most previous state protection schemes, ours only concerns the noise channel and does not care about the protected state. We show that our scheme can effectively protect unknown states, nonorthogonal state"},"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":"1402.4921","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-02-20T07:55:03Z","cross_cats_sorted":[],"title_canon_sha256":"c70d33cec24fb516c9f1e5d017ba510a956e59ca3acebe92018ffdbae8440617","abstract_canon_sha256":"2d7a9bddfdcbe51d4e0fa0aff60865630a5f864aeb4e8b0b6598b2c3fa3acb0b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:44:35.915796Z","signature_b64":"mRpfXMgyDl2P2cMwN1ycvBcUOJrxuKitlCbGaBbiBFAwBFZFYPqNRr1rXGUdLTQt7CK6BT7FyqB/aTh1qPBqDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"efced383a3726bfeee8597514b2c6f71d6eef4e1ed17b6a369fc583668ab264a","last_reissued_at":"2026-05-18T01:44:35.915162Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:44:35.915162Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Feed-forward control for quantum state protection against decoherence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bao-Ming Xu, Bin Shao, Chao-Quan Wang, Jian Zou, Jun-Gang Li, Yan Yan, Zhi He","submitted_at":"2014-02-20T07:55:03Z","abstract_excerpt":"We propose a novel scheme of feed-forward control and its reversal for protecting quantum state against decoherence. Before the noise channel our pre-weak measurement and feed-forward are just to change the protected state into the state almost immune to the noise channel, and after the channel our reversed operations and post-weak measurements are just to restore the protected state. Unlike most previous state protection schemes, ours only concerns the noise channel and does not care about the protected state. We show that our scheme can effectively protect unknown states, nonorthogonal state"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.4921","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":"1402.4921","created_at":"2026-05-18T01:44:35.915238+00:00"},{"alias_kind":"arxiv_version","alias_value":"1402.4921v2","created_at":"2026-05-18T01:44:35.915238+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.4921","created_at":"2026-05-18T01:44:35.915238+00:00"},{"alias_kind":"pith_short_12","alias_value":"57HNHA5DOJV7","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_16","alias_value":"57HNHA5DOJV753UF","created_at":"2026-05-18T12:28:14.216126+00:00"},{"alias_kind":"pith_short_8","alias_value":"57HNHA5D","created_at":"2026-05-18T12:28:14.216126+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/57HNHA5DOJV753UFS5IUWLDPOH","json":"https://pith.science/pith/57HNHA5DOJV753UFS5IUWLDPOH.json","graph_json":"https://pith.science/api/pith-number/57HNHA5DOJV753UFS5IUWLDPOH/graph.json","events_json":"https://pith.science/api/pith-number/57HNHA5DOJV753UFS5IUWLDPOH/events.json","paper":"https://pith.science/paper/57HNHA5D"},"agent_actions":{"view_html":"https://pith.science/pith/57HNHA5DOJV753UFS5IUWLDPOH","download_json":"https://pith.science/pith/57HNHA5DOJV753UFS5IUWLDPOH.json","view_paper":"https://pith.science/paper/57HNHA5D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1402.4921&json=true","fetch_graph":"https://pith.science/api/pith-number/57HNHA5DOJV753UFS5IUWLDPOH/graph.json","fetch_events":"https://pith.science/api/pith-number/57HNHA5DOJV753UFS5IUWLDPOH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/57HNHA5DOJV753UFS5IUWLDPOH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/57HNHA5DOJV753UFS5IUWLDPOH/action/storage_attestation","attest_author":"https://pith.science/pith/57HNHA5DOJV753UFS5IUWLDPOH/action/author_attestation","sign_citation":"https://pith.science/pith/57HNHA5DOJV753UFS5IUWLDPOH/action/citation_signature","submit_replication":"https://pith.science/pith/57HNHA5DOJV753UFS5IUWLDPOH/action/replication_record"}},"created_at":"2026-05-18T01:44:35.915238+00:00","updated_at":"2026-05-18T01:44:35.915238+00:00"}