{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:RG2PFROIQ7FLSZYELUR4WY2QVL","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":"bb9f392a175b9bbec7e37a72cbca7f6d390530508aded15b3b18e02a72f40ef8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2015-07-31T18:43:28Z","title_canon_sha256":"375201bc9417006f6b7ac9923e503ba8a4eb38cf887c089c45fc858f228f7522"},"schema_version":"1.0","source":{"id":"1507.08973","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.08973","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"arxiv_version","alias_value":"1507.08973v2","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.08973","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"pith_short_12","alias_value":"RG2PFROIQ7FL","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RG2PFROIQ7FLSZYE","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RG2PFROI","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:221075b476ea6d7b805fa88b06df8fb20e9dd7f216996bc472b0e5873b26f18f","target":"graph","created_at":"2026-05-18T01:24:53Z","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":"Recurrent neural networks in the chaotic regime exhibit complex dynamics reminiscent of high-level cortical activity during behavioral tasks. However, existing training methods for such networks are either biologically implausible, or require a real-time continuous error signal to guide the learning process. This is in contrast with most behavioral tasks, which only provide time-sparse, delayed rewards. Here we show that a biologically plausible reward-modulated Hebbian learning algorithm, previously used in feedforward models of birdsong learning, can train recurrent networks based solely on ","authors_text":"Thomas Miconi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2015-07-31T18:43:28Z","title":"Training recurrent neural networks with sparse, delayed rewards for flexible decision tasks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.08973","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":"sha256:1901483110424c9df6d5a536c98c0710144261bf3b7423a1e222194a258a58f8","target":"record","created_at":"2026-05-18T01:24:53Z","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":"bb9f392a175b9bbec7e37a72cbca7f6d390530508aded15b3b18e02a72f40ef8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.NC","submitted_at":"2015-07-31T18:43:28Z","title_canon_sha256":"375201bc9417006f6b7ac9923e503ba8a4eb38cf887c089c45fc858f228f7522"},"schema_version":"1.0","source":{"id":"1507.08973","kind":"arxiv","version":2}},"canonical_sha256":"89b4f2c5c887cab967045d23cb6350aafecba4109446d200b1422a5c4bc819d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"89b4f2c5c887cab967045d23cb6350aafecba4109446d200b1422a5c4bc819d2","first_computed_at":"2026-05-18T01:24:53.515437Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:53.515437Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kZpQLO8M1W/rUMkvvcOmdu+iBkzUJfwUfltmO0kguRHzVYasu46axcgUlDDOiE/gFeQ8hjW93416JYZmjwxyCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:53.516094Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.08973","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1901483110424c9df6d5a536c98c0710144261bf3b7423a1e222194a258a58f8","sha256:221075b476ea6d7b805fa88b06df8fb20e9dd7f216996bc472b0e5873b26f18f"],"state_sha256":"88a23038e26d18c4df005c01a6c578577a28445b2f5b7bdd891b1b0b59f87c47"}