{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:4QVMHW5HUEVDWILKVWP24ADZGF","short_pith_number":"pith:4QVMHW5H","schema_version":"1.0","canonical_sha256":"e42ac3dba7a12a3b216aad9fae007931536f6580610e0c2943f74bc4dbde694f","source":{"kind":"arxiv","id":"0809.4859","version":1},"attestation_state":"computed","paper":{"title":"Control of state and state entanglement with a single auxiliary subsystem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. R. Bosco de Magalh\\~aes, J.G. Peixoto de Faria, M. C. Nemes, R. Rossi Jr.","submitted_at":"2008-09-28T17:47:24Z","abstract_excerpt":"We present a strategy to control the evolution of a quantum system. The novel aspect of this protocol is the use of a \\emph{single auxiliary subsystem}. Two applications are given, one which allows for state preservation and another which controls the degree of entanglement of a given initial 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":"0809.4859","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-09-28T17:47:24Z","cross_cats_sorted":[],"title_canon_sha256":"eede65e904edf7042f7b5c104edc01db51a77bc79a84e362e3f5d36533d869c7","abstract_canon_sha256":"dff4e8b7b2c3eb272de236fceeffac70784ee1b28877b71e93bf61b4050d7f17"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:49:22.651350Z","signature_b64":"sjAL2VGstN7KBCAqqYwjQ4One40PGvmxbEPIBXww+zLecRj4IU+P6DvJou3PjRWM2oKHak89c+KAfVxuephGCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e42ac3dba7a12a3b216aad9fae007931536f6580610e0c2943f74bc4dbde694f","last_reissued_at":"2026-05-18T03:49:22.650459Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:49:22.650459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Control of state and state entanglement with a single auxiliary subsystem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. R. Bosco de Magalh\\~aes, J.G. Peixoto de Faria, M. C. Nemes, R. Rossi Jr.","submitted_at":"2008-09-28T17:47:24Z","abstract_excerpt":"We present a strategy to control the evolution of a quantum system. The novel aspect of this protocol is the use of a \\emph{single auxiliary subsystem}. Two applications are given, one which allows for state preservation and another which controls the degree of entanglement of a given initial state."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.4859","kind":"arxiv","version":1},"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":"0809.4859","created_at":"2026-05-18T03:49:22.650632+00:00"},{"alias_kind":"arxiv_version","alias_value":"0809.4859v1","created_at":"2026-05-18T03:49:22.650632+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.4859","created_at":"2026-05-18T03:49:22.650632+00:00"},{"alias_kind":"pith_short_12","alias_value":"4QVMHW5HUEVD","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_16","alias_value":"4QVMHW5HUEVDWILK","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_8","alias_value":"4QVMHW5H","created_at":"2026-05-18T12:25:56.245647+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/4QVMHW5HUEVDWILKVWP24ADZGF","json":"https://pith.science/pith/4QVMHW5HUEVDWILKVWP24ADZGF.json","graph_json":"https://pith.science/api/pith-number/4QVMHW5HUEVDWILKVWP24ADZGF/graph.json","events_json":"https://pith.science/api/pith-number/4QVMHW5HUEVDWILKVWP24ADZGF/events.json","paper":"https://pith.science/paper/4QVMHW5H"},"agent_actions":{"view_html":"https://pith.science/pith/4QVMHW5HUEVDWILKVWP24ADZGF","download_json":"https://pith.science/pith/4QVMHW5HUEVDWILKVWP24ADZGF.json","view_paper":"https://pith.science/paper/4QVMHW5H","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0809.4859&json=true","fetch_graph":"https://pith.science/api/pith-number/4QVMHW5HUEVDWILKVWP24ADZGF/graph.json","fetch_events":"https://pith.science/api/pith-number/4QVMHW5HUEVDWILKVWP24ADZGF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4QVMHW5HUEVDWILKVWP24ADZGF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4QVMHW5HUEVDWILKVWP24ADZGF/action/storage_attestation","attest_author":"https://pith.science/pith/4QVMHW5HUEVDWILKVWP24ADZGF/action/author_attestation","sign_citation":"https://pith.science/pith/4QVMHW5HUEVDWILKVWP24ADZGF/action/citation_signature","submit_replication":"https://pith.science/pith/4QVMHW5HUEVDWILKVWP24ADZGF/action/replication_record"}},"created_at":"2026-05-18T03:49:22.650632+00:00","updated_at":"2026-05-18T03:49:22.650632+00:00"}