{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:FWBCYIEP6ZSKVXILMKJV2IR2VT","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":"fc41c84a7f81f9a0bf92808527313a1b29dd4cfbec3a9e14172df5f016f28fd1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-05-20T07:19:04Z","title_canon_sha256":"9a9787b41ed6fc3c57705de2c49fe127520243245664ad986944b345ae67ddd2"},"schema_version":"1.0","source":{"id":"1005.3614","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.3614","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"arxiv_version","alias_value":"1005.3614v2","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3614","created_at":"2026-05-18T02:07:16Z"},{"alias_kind":"pith_short_12","alias_value":"FWBCYIEP6ZSK","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"FWBCYIEP6ZSKVXIL","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"FWBCYIEP","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:ae3ffe58aa89ae67e5b946c1059018f16dc76848d244ea63ece028b913e248dc","target":"graph","created_at":"2026-05-18T02:07:16Z","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":"This article is devoted to the development of analytical and numerical approaches to the problem of the end-to-end quantum state transfer along the spin-1/2 chain using two methods: (a) a homogeneous spin chain with week end bonds and equal Larmor frequencies and (b) a homogeneous spin chain with end Larmor frequencies different from inner ones. A tridiagonal matrix representation of the XY Hamiltonian with nearest neighbor interactions relevant to the quantum state transfer is exactly diagonalized for a combination of the above two methods. In order to take into account interactions of the re","authors_text":"A.I. Zenchuk, E.B. Fel'dman, E.I. Kuznetsova","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-05-20T07:19:04Z","title":"High probability state transfer in spin-1/2 chains: Analytical and numerical approaches"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3614","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":"sha256:52d4a73065ffe1a1a8fd541df6c13bde59f9f38668876447f79514926b82671f","target":"record","created_at":"2026-05-18T02:07:16Z","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":"fc41c84a7f81f9a0bf92808527313a1b29dd4cfbec3a9e14172df5f016f28fd1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-05-20T07:19:04Z","title_canon_sha256":"9a9787b41ed6fc3c57705de2c49fe127520243245664ad986944b345ae67ddd2"},"schema_version":"1.0","source":{"id":"1005.3614","kind":"arxiv","version":2}},"canonical_sha256":"2d822c208ff664aadd0b62935d223aacd5b8191415c7a1648242791ecbe4f958","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2d822c208ff664aadd0b62935d223aacd5b8191415c7a1648242791ecbe4f958","first_computed_at":"2026-05-18T02:07:16.531361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:16.531361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DSOTtYynR7C3KpycTGbmpf8IRrYe5G1dpQdj2kDYGnlb8vVUxIFpmR+9563zOgxWXSFRPGf3Ff/TI58GD3neDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:16.531868Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.3614","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52d4a73065ffe1a1a8fd541df6c13bde59f9f38668876447f79514926b82671f","sha256:ae3ffe58aa89ae67e5b946c1059018f16dc76848d244ea63ece028b913e248dc"],"state_sha256":"29c41b100dd22b2c5a092857ff773afe20d8dda8ae9e0bdb772e9388b8f5d875"}