{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:W3TAOPGMJEEYBSIX47CF5CT5C4","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b3d61cd5edf26ceaab30e7a3cde8a97bf8dc581befc55115cc05bf076554e85c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-11-07T07:03:00Z","title_canon_sha256":"ced04505464c6c4847d0209d12991cffd2da3488cf75c5ae0065aaa1b7fb7373"},"schema_version":"1.0","source":{"id":"1711.02314","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.02314","created_at":"2026-05-18T00:20:38Z"},{"alias_kind":"arxiv_version","alias_value":"1711.02314v2","created_at":"2026-05-18T00:20:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.02314","created_at":"2026-05-18T00:20:38Z"},{"alias_kind":"pith_short_12","alias_value":"W3TAOPGMJEEY","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"W3TAOPGMJEEYBSIX","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"W3TAOPGM","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:75abb7ac0e3ada36b85f70bb7152c9846f7b424899075bda43b47bdc38b8c064","target":"graph","created_at":"2026-05-18T00:20:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We develop a family of perfect quantum error correcting codes that correct for phase errors that arise on any qubit, at any time, during a perfect state transfer experiment. These ensure that we find the optimal operating regime for corrected state transfer. For a specific class of system, we further show that while dephasing noise can be corrected, depolarising noise cannot.","authors_text":"Alastair Kay","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-11-07T07:03:00Z","title":"Perfect Coding for Dephased Quantum State Transfer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.02314","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:2dfd692764c6e0bf1399488bfa6508f2901ea80c997c27868706627975cb73aa","target":"record","created_at":"2026-05-18T00:20:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b3d61cd5edf26ceaab30e7a3cde8a97bf8dc581befc55115cc05bf076554e85c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2017-11-07T07:03:00Z","title_canon_sha256":"ced04505464c6c4847d0209d12991cffd2da3488cf75c5ae0065aaa1b7fb7373"},"schema_version":"1.0","source":{"id":"1711.02314","kind":"arxiv","version":2}},"canonical_sha256":"b6e6073ccc490980c917e7c45e8a7d1730e6a7606d8ba9f991066a9dcc9e125e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6e6073ccc490980c917e7c45e8a7d1730e6a7606d8ba9f991066a9dcc9e125e","first_computed_at":"2026-05-18T00:20:38.449427Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:38.449427Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K3fK7Dz7OzdaCdljF50SdpYvruBZvSCUkKEsoA7GJ0awQ+5Lg41m+G169yx11URGynRidKK1dui0hR9ejIDZBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:38.450189Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.02314","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2dfd692764c6e0bf1399488bfa6508f2901ea80c997c27868706627975cb73aa","sha256:75abb7ac0e3ada36b85f70bb7152c9846f7b424899075bda43b47bdc38b8c064"],"state_sha256":"5cdc7cc526599b8646fce24232d04f806947b23d04ef61f042d22135d8265603"}