{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:6G6L5OJN4OGVT7DDXOLZKZEHEJ","short_pith_number":"pith:6G6L5OJN","schema_version":"1.0","canonical_sha256":"f1bcbeb92de38d59fc63bb97956487225a47224052644d577a33bbe5a4c4dae8","source":{"kind":"arxiv","id":"1701.07399","version":1},"attestation_state":"computed","paper":{"title":"Remote Parameter Estimation in a Quantum Spin Chain Enhanced by Local Control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Daniel Burgarth, Jukka Kiukas, Kazuya Yuasa","submitted_at":"2017-01-25T17:43:23Z","abstract_excerpt":"We study the interplay of control and parameter estimation on a quantum spin chain. A single qubit probe is attached to one end of the chain, while we wish to estimate a parameter on the other end. We find that control on the probe qubit can substantially improve the estimation performance and discover some interesting connections to quantum state transfer."},"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":"1701.07399","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-01-25T17:43:23Z","cross_cats_sorted":[],"title_canon_sha256":"8b4e7baae238c9ecb8586873b1b58acc1528130f99a455a1cc905516c8efea28","abstract_canon_sha256":"4fb56095c2913d97a6d349a2da36a79be995194ba04f57d1577cf1b734bac1f9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:08.791690Z","signature_b64":"PXJOo9vcvgd1IEgHp+40ENfZbqL0wPTaR1IzEDMobobX/TfC6/c4WtLNsX30c9qMU6Tnx+J2NiptNceohC7yCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1bcbeb92de38d59fc63bb97956487225a47224052644d577a33bbe5a4c4dae8","last_reissued_at":"2026-05-18T00:43:08.791034Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:08.791034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Remote Parameter Estimation in a Quantum Spin Chain Enhanced by Local Control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Daniel Burgarth, Jukka Kiukas, Kazuya Yuasa","submitted_at":"2017-01-25T17:43:23Z","abstract_excerpt":"We study the interplay of control and parameter estimation on a quantum spin chain. A single qubit probe is attached to one end of the chain, while we wish to estimate a parameter on the other end. We find that control on the probe qubit can substantially improve the estimation performance and discover some interesting connections to quantum state transfer."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.07399","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":"1701.07399","created_at":"2026-05-18T00:43:08.791135+00:00"},{"alias_kind":"arxiv_version","alias_value":"1701.07399v1","created_at":"2026-05-18T00:43:08.791135+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.07399","created_at":"2026-05-18T00:43:08.791135+00:00"},{"alias_kind":"pith_short_12","alias_value":"6G6L5OJN4OGV","created_at":"2026-05-18T12:31:03.183658+00:00"},{"alias_kind":"pith_short_16","alias_value":"6G6L5OJN4OGVT7DD","created_at":"2026-05-18T12:31:03.183658+00:00"},{"alias_kind":"pith_short_8","alias_value":"6G6L5OJN","created_at":"2026-05-18T12:31:03.183658+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/6G6L5OJN4OGVT7DDXOLZKZEHEJ","json":"https://pith.science/pith/6G6L5OJN4OGVT7DDXOLZKZEHEJ.json","graph_json":"https://pith.science/api/pith-number/6G6L5OJN4OGVT7DDXOLZKZEHEJ/graph.json","events_json":"https://pith.science/api/pith-number/6G6L5OJN4OGVT7DDXOLZKZEHEJ/events.json","paper":"https://pith.science/paper/6G6L5OJN"},"agent_actions":{"view_html":"https://pith.science/pith/6G6L5OJN4OGVT7DDXOLZKZEHEJ","download_json":"https://pith.science/pith/6G6L5OJN4OGVT7DDXOLZKZEHEJ.json","view_paper":"https://pith.science/paper/6G6L5OJN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1701.07399&json=true","fetch_graph":"https://pith.science/api/pith-number/6G6L5OJN4OGVT7DDXOLZKZEHEJ/graph.json","fetch_events":"https://pith.science/api/pith-number/6G6L5OJN4OGVT7DDXOLZKZEHEJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6G6L5OJN4OGVT7DDXOLZKZEHEJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6G6L5OJN4OGVT7DDXOLZKZEHEJ/action/storage_attestation","attest_author":"https://pith.science/pith/6G6L5OJN4OGVT7DDXOLZKZEHEJ/action/author_attestation","sign_citation":"https://pith.science/pith/6G6L5OJN4OGVT7DDXOLZKZEHEJ/action/citation_signature","submit_replication":"https://pith.science/pith/6G6L5OJN4OGVT7DDXOLZKZEHEJ/action/replication_record"}},"created_at":"2026-05-18T00:43:08.791135+00:00","updated_at":"2026-05-18T00:43:08.791135+00:00"}