{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:IONVLXKDSFQVSABJ47QEMMU5TM","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":"721a386f165a31a241433b02faa5b0b80b4dcac3aca92b66642289bb93b1c04d","cross_cats_sorted":["cs.LG","nlin.CD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-06-16T08:54:04Z","title_canon_sha256":"cba2b46b0f54a4d9be50b8b98c1a3b4454691196eec90ba2b4f35778fa193d9d"},"schema_version":"1.0","source":{"id":"2006.08999","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2006.08999","created_at":"2026-07-05T01:44:13Z"},{"alias_kind":"arxiv_version","alias_value":"2006.08999v2","created_at":"2026-07-05T01:44:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.08999","created_at":"2026-07-05T01:44:13Z"},{"alias_kind":"pith_short_12","alias_value":"IONVLXKDSFQV","created_at":"2026-07-05T01:44:13Z"},{"alias_kind":"pith_short_16","alias_value":"IONVLXKDSFQVSABJ","created_at":"2026-07-05T01:44:13Z"},{"alias_kind":"pith_short_8","alias_value":"IONVLXKD","created_at":"2026-07-05T01:44:13Z"}],"graph_snapshots":[{"event_id":"sha256:f4045b0eb4e37357a51b8b12b33a8353a4c835d086243c0e08977354e398f605","target":"graph","created_at":"2026-07-05T01:44:13Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2006.08999/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum reservoir computing (QRC) is an emerging paradigm for harnessing the natural dynamics of quantum systems as computational resources that can be used for temporal machine learning tasks. In the current setup, QRC is difficult to deal with high-dimensional data and has a major drawback of scalability in physical implementations. We propose higher-order QRC, a hybrid quantum-classical framework consisting of multiple but small quantum systems that are mutually communicated via classical connections like linear feedback. By utilizing the advantages of both classical and quantum techniques,","authors_text":"Kohei Nakajima, Quoc Hoan Tran","cross_cats":["cs.LG","nlin.CD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-06-16T08:54:04Z","title":"Higher-Order Quantum Reservoir Computing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.08999","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:f3fc7c3d7046e35d6ff03d8cbb31c77a054026724999263d0bcd95cffbfe61bd","target":"record","created_at":"2026-07-05T01:44:13Z","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":"721a386f165a31a241433b02faa5b0b80b4dcac3aca92b66642289bb93b1c04d","cross_cats_sorted":["cs.LG","nlin.CD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-06-16T08:54:04Z","title_canon_sha256":"cba2b46b0f54a4d9be50b8b98c1a3b4454691196eec90ba2b4f35778fa193d9d"},"schema_version":"1.0","source":{"id":"2006.08999","kind":"arxiv","version":2}},"canonical_sha256":"439b55dd439161590029e7e046329d9b285a6661a229e8e4276e3e5ddd3b8eef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"439b55dd439161590029e7e046329d9b285a6661a229e8e4276e3e5ddd3b8eef","first_computed_at":"2026-07-05T01:44:13.873059Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:44:13.873059Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lle30YB6nVQEMPbJkKarGNzzcXMXFN+oOUwLAiUjxBJIdM3M3BR3FN49w0mfDpX1Yem7lqOEhtQV8EbCrU8FCg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:44:13.873497Z","signed_message":"canonical_sha256_bytes"},"source_id":"2006.08999","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f3fc7c3d7046e35d6ff03d8cbb31c77a054026724999263d0bcd95cffbfe61bd","sha256:f4045b0eb4e37357a51b8b12b33a8353a4c835d086243c0e08977354e398f605"],"state_sha256":"61c24a468dc019e9d0f765267da50a61ee58e0a5a2fa4f1b6652fc35297ee53a"}