{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:RZAC2N3GRTB6HR3RY7IR6AMHNY","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":"f9e8003af6efca22c7b2729b037f61d9876d8fc3120f58fa5f3cdf643bb81043","cross_cats_sorted":["cs.LG","cs.NE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2021-01-23T19:44:44Z","title_canon_sha256":"8adf803234c44b0030b6df3bff215301b6eb3536a5b217b061b25af6d8ee45bd"},"schema_version":"1.0","source":{"id":"2101.09571","kind":"arxiv","version":6}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2101.09571","created_at":"2026-07-05T04:38:33Z"},{"alias_kind":"arxiv_version","alias_value":"2101.09571v6","created_at":"2026-07-05T04:38:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2101.09571","created_at":"2026-07-05T04:38:33Z"},{"alias_kind":"pith_short_12","alias_value":"RZAC2N3GRTB6","created_at":"2026-07-05T04:38:33Z"},{"alias_kind":"pith_short_16","alias_value":"RZAC2N3GRTB6HR3R","created_at":"2026-07-05T04:38:33Z"},{"alias_kind":"pith_short_8","alias_value":"RZAC2N3G","created_at":"2026-07-05T04:38:33Z"}],"graph_snapshots":[{"event_id":"sha256:11c75974c0375a7ce6ac9966c00b26991a18cda85767dc03825105aca5f4a7ab","target":"graph","created_at":"2026-07-05T04:38:33Z","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/2101.09571/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Most state of the art decision systems based on Reinforcement Learning (RL) are data-driven black-box neural models, where it is often difficult to incorporate expert knowledge into the models or let experts review and validate the learned decision mechanisms. Knowledge-insertion and model review are important requirements in many applications involving human health and safety. One way to bridge the gap between data and knowledge driven systems is program synthesis: replacing a neural network that outputs decisions with a symbolic program generated by a neural network or by means of genetic pr","authors_text":"Aki H\\\"arm\\\"a, Milan Petkovi\\'c, Vadim Liventsev","cross_cats":["cs.LG","cs.NE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2021-01-23T19:44:44Z","title":"BF++: a language for general-purpose program synthesis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2101.09571","kind":"arxiv","version":6},"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:f4a3a8d7df7ee1ad8534933be43d2b6475f92922dbd0b21fc25615738def479a","target":"record","created_at":"2026-07-05T04:38:33Z","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":"f9e8003af6efca22c7b2729b037f61d9876d8fc3120f58fa5f3cdf643bb81043","cross_cats_sorted":["cs.LG","cs.NE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2021-01-23T19:44:44Z","title_canon_sha256":"8adf803234c44b0030b6df3bff215301b6eb3536a5b217b061b25af6d8ee45bd"},"schema_version":"1.0","source":{"id":"2101.09571","kind":"arxiv","version":6}},"canonical_sha256":"8e402d37668cc3e3c771c7d11f01876e275ad1a43586545bb3ae049cbc7d61bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e402d37668cc3e3c771c7d11f01876e275ad1a43586545bb3ae049cbc7d61bb","first_computed_at":"2026-07-05T04:38:33.448566Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:38:33.448566Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DKjaHRLNUAPIMd0g+7atIVXQRJqSfKfp/DvO15yJ6wYoRDzKBGz64szkxMnnzzYoV0lyup7+/VMliUMwPeWcBg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:38:33.449062Z","signed_message":"canonical_sha256_bytes"},"source_id":"2101.09571","source_kind":"arxiv","source_version":6}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4a3a8d7df7ee1ad8534933be43d2b6475f92922dbd0b21fc25615738def479a","sha256:11c75974c0375a7ce6ac9966c00b26991a18cda85767dc03825105aca5f4a7ab"],"state_sha256":"9802207a6318da594d8b32d560ac01ca28c10dc4f3671951a64ba9a0b243793b"}