{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:ICAT6XZKSQL4YSMGUWNROYGTCY","short_pith_number":"pith:ICAT6XZK","schema_version":"1.0","canonical_sha256":"40813f5f2a9417cc4986a59b1760d3160e8b6bef788765153225b16c6cea964e","source":{"kind":"arxiv","id":"1807.04062","version":2},"attestation_state":"computed","paper":{"title":"Pretty good state transfer via adaptive quantum error correction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Akshaya Jayashankar, Prabha Mandayam","submitted_at":"2018-07-11T10:51:20Z","abstract_excerpt":"We examine the role of quantum error correction (QEC) in achieving pretty good quantum state transfer over a class of $1$-d spin Hamiltonians. Recasting the problem of state transfer as one of information transmission over an underlying quantum channel, we identify an adaptive QEC protocol that achieves pretty good state transfer. Using an adaptive recovery and approximate QEC code, we obtain explicit analytical and numerical results for the fidelity of transfer over ideal and disordered $1$-d Heisenberg chains. In the case of a disordered chain, we study the distribution of the transition amp"},"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":"1807.04062","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-07-11T10:51:20Z","cross_cats_sorted":[],"title_canon_sha256":"ae9c0e8d890a54d837fde9b1d7aa35482946a91db13d1ae03c0fb115eac4a388","abstract_canon_sha256":"2114fa2d9fcc65f38cceaab5efa89912c6406b1fb698a21505ea1372e0cfd821"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:52.262244Z","signature_b64":"BG89WGPn9mVprjjE0VhIEBiIwzg1eCY4e6WrxuVjo0RPfhmdyxZxX6puOQVcSFcZ/2B6LmE1pc1atgK4vXbWDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40813f5f2a9417cc4986a59b1760d3160e8b6bef788765153225b16c6cea964e","last_reissued_at":"2026-05-18T00:00:52.261645Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:52.261645Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Pretty good state transfer via adaptive quantum error correction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Akshaya Jayashankar, Prabha Mandayam","submitted_at":"2018-07-11T10:51:20Z","abstract_excerpt":"We examine the role of quantum error correction (QEC) in achieving pretty good quantum state transfer over a class of $1$-d spin Hamiltonians. Recasting the problem of state transfer as one of information transmission over an underlying quantum channel, we identify an adaptive QEC protocol that achieves pretty good state transfer. Using an adaptive recovery and approximate QEC code, we obtain explicit analytical and numerical results for the fidelity of transfer over ideal and disordered $1$-d Heisenberg chains. In the case of a disordered chain, we study the distribution of the transition amp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.04062","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":"1807.04062","created_at":"2026-05-18T00:00:52.261723+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.04062v2","created_at":"2026-05-18T00:00:52.261723+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.04062","created_at":"2026-05-18T00:00:52.261723+00:00"},{"alias_kind":"pith_short_12","alias_value":"ICAT6XZKSQL4","created_at":"2026-05-18T12:32:28.185984+00:00"},{"alias_kind":"pith_short_16","alias_value":"ICAT6XZKSQL4YSMG","created_at":"2026-05-18T12:32:28.185984+00:00"},{"alias_kind":"pith_short_8","alias_value":"ICAT6XZK","created_at":"2026-05-18T12:32:28.185984+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/ICAT6XZKSQL4YSMGUWNROYGTCY","json":"https://pith.science/pith/ICAT6XZKSQL4YSMGUWNROYGTCY.json","graph_json":"https://pith.science/api/pith-number/ICAT6XZKSQL4YSMGUWNROYGTCY/graph.json","events_json":"https://pith.science/api/pith-number/ICAT6XZKSQL4YSMGUWNROYGTCY/events.json","paper":"https://pith.science/paper/ICAT6XZK"},"agent_actions":{"view_html":"https://pith.science/pith/ICAT6XZKSQL4YSMGUWNROYGTCY","download_json":"https://pith.science/pith/ICAT6XZKSQL4YSMGUWNROYGTCY.json","view_paper":"https://pith.science/paper/ICAT6XZK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.04062&json=true","fetch_graph":"https://pith.science/api/pith-number/ICAT6XZKSQL4YSMGUWNROYGTCY/graph.json","fetch_events":"https://pith.science/api/pith-number/ICAT6XZKSQL4YSMGUWNROYGTCY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ICAT6XZKSQL4YSMGUWNROYGTCY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ICAT6XZKSQL4YSMGUWNROYGTCY/action/storage_attestation","attest_author":"https://pith.science/pith/ICAT6XZKSQL4YSMGUWNROYGTCY/action/author_attestation","sign_citation":"https://pith.science/pith/ICAT6XZKSQL4YSMGUWNROYGTCY/action/citation_signature","submit_replication":"https://pith.science/pith/ICAT6XZKSQL4YSMGUWNROYGTCY/action/replication_record"}},"created_at":"2026-05-18T00:00:52.261723+00:00","updated_at":"2026-05-18T00:00:52.261723+00:00"}