{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:Z4KUVCI7NXWM5BHQBLMIILB6A5","short_pith_number":"pith:Z4KUVCI7","schema_version":"1.0","canonical_sha256":"cf154a891f6decce84f00ad8842c3e07414aa00aee328a0d6baebbdd6f4b93c2","source":{"kind":"arxiv","id":"1908.02046","version":1},"attestation_state":"computed","paper":{"title":"Designing pretty good state transfer via isospectral reductions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"C. V. Morfonios, F. K. Diakonos, I. Brouzos, M. Pyzh, M. R\\\"ontgen, N. E. Palaiodimopoulos, P. Schmelcher","submitted_at":"2019-08-06T10:05:37Z","abstract_excerpt":"We present an algorithm to design networks that feature pretty good state transfer (PGST), which is of interest for high-fidelity transfer of information in quantum computing. Realizations of PGST networks have so far mostly relied either on very special network geometries or imposed conditions such as transcendental on-site potentials. However, it was recently shown [Eisenberg et al., arXiv:1804.01645] that PGST generally arises when a network's eigenvectors and the factors $P_{\\pm}$ of its characteristic polynomial $P$ fulfill certain conditions, where $P_{\\pm}$ correspond to eigenvectors wh"},"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":"1908.02046","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-06T10:05:37Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"7b70519b85ed14b5ab1766c07c756bd8fa6afa3182e70a884278f4609d171132","abstract_canon_sha256":"8edb812e034853c3d2a90532d572e89e9abf53c18652e45732596c79ce83b272"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:53:34.673596Z","signature_b64":"9ryAYl68X9flHHF4BBDv1I7RNlj0Hot3ZzpPbbPcWVnzBbtbqTnDEMbQUMkYFS1W1LZ1nwiXmmZ5gQC0xk+qBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf154a891f6decce84f00ad8842c3e07414aa00aee328a0d6baebbdd6f4b93c2","last_reissued_at":"2026-07-05T00:53:34.673121Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:53:34.673121Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Designing pretty good state transfer via isospectral reductions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"C. V. Morfonios, F. K. Diakonos, I. Brouzos, M. Pyzh, M. R\\\"ontgen, N. E. Palaiodimopoulos, P. Schmelcher","submitted_at":"2019-08-06T10:05:37Z","abstract_excerpt":"We present an algorithm to design networks that feature pretty good state transfer (PGST), which is of interest for high-fidelity transfer of information in quantum computing. Realizations of PGST networks have so far mostly relied either on very special network geometries or imposed conditions such as transcendental on-site potentials. However, it was recently shown [Eisenberg et al., arXiv:1804.01645] that PGST generally arises when a network's eigenvectors and the factors $P_{\\pm}$ of its characteristic polynomial $P$ fulfill certain conditions, where $P_{\\pm}$ correspond to eigenvectors wh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.02046","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.02046/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"1908.02046","created_at":"2026-07-05T00:53:34.673177+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.02046v1","created_at":"2026-07-05T00:53:34.673177+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.02046","created_at":"2026-07-05T00:53:34.673177+00:00"},{"alias_kind":"pith_short_12","alias_value":"Z4KUVCI7NXWM","created_at":"2026-07-05T00:53:34.673177+00:00"},{"alias_kind":"pith_short_16","alias_value":"Z4KUVCI7NXWM5BHQ","created_at":"2026-07-05T00:53:34.673177+00:00"},{"alias_kind":"pith_short_8","alias_value":"Z4KUVCI7","created_at":"2026-07-05T00:53:34.673177+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/Z4KUVCI7NXWM5BHQBLMIILB6A5","json":"https://pith.science/pith/Z4KUVCI7NXWM5BHQBLMIILB6A5.json","graph_json":"https://pith.science/api/pith-number/Z4KUVCI7NXWM5BHQBLMIILB6A5/graph.json","events_json":"https://pith.science/api/pith-number/Z4KUVCI7NXWM5BHQBLMIILB6A5/events.json","paper":"https://pith.science/paper/Z4KUVCI7"},"agent_actions":{"view_html":"https://pith.science/pith/Z4KUVCI7NXWM5BHQBLMIILB6A5","download_json":"https://pith.science/pith/Z4KUVCI7NXWM5BHQBLMIILB6A5.json","view_paper":"https://pith.science/paper/Z4KUVCI7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.02046&json=true","fetch_graph":"https://pith.science/api/pith-number/Z4KUVCI7NXWM5BHQBLMIILB6A5/graph.json","fetch_events":"https://pith.science/api/pith-number/Z4KUVCI7NXWM5BHQBLMIILB6A5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Z4KUVCI7NXWM5BHQBLMIILB6A5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Z4KUVCI7NXWM5BHQBLMIILB6A5/action/storage_attestation","attest_author":"https://pith.science/pith/Z4KUVCI7NXWM5BHQBLMIILB6A5/action/author_attestation","sign_citation":"https://pith.science/pith/Z4KUVCI7NXWM5BHQBLMIILB6A5/action/citation_signature","submit_replication":"https://pith.science/pith/Z4KUVCI7NXWM5BHQBLMIILB6A5/action/replication_record"}},"created_at":"2026-07-05T00:53:34.673177+00:00","updated_at":"2026-07-05T00:53:34.673177+00:00"}