{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:FPYVAZQ2RVXNGW4RSOPIPGKKNA","short_pith_number":"pith:FPYVAZQ2","canonical_record":{"source":{"id":"2606.26168","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-06-24T08:11:14Z","cross_cats_sorted":["q-bio.QM"],"title_canon_sha256":"3c3a23bdcd1b8a28ba0be2181c4a749fa4dec64cd087d39b76755c5027e7881f","abstract_canon_sha256":"405541ac5426cfb3cee5ba3dbe764e4cd8ef67c723101a628952eccd5429e53c"},"schema_version":"1.0"},"canonical_sha256":"2bf150661a8d6ed35b91939e87994a6802f2b6ade6471e273877b5d8e0e379b6","source":{"kind":"arxiv","id":"2606.26168","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26168","created_at":"2026-06-26T00:15:28Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26168v1","created_at":"2026-06-26T00:15:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26168","created_at":"2026-06-26T00:15:28Z"},{"alias_kind":"pith_short_12","alias_value":"FPYVAZQ2RVXN","created_at":"2026-06-26T00:15:28Z"},{"alias_kind":"pith_short_16","alias_value":"FPYVAZQ2RVXNGW4R","created_at":"2026-06-26T00:15:28Z"},{"alias_kind":"pith_short_8","alias_value":"FPYVAZQ2","created_at":"2026-06-26T00:15:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:FPYVAZQ2RVXNGW4RSOPIPGKKNA","target":"record","payload":{"canonical_record":{"source":{"id":"2606.26168","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-06-24T08:11:14Z","cross_cats_sorted":["q-bio.QM"],"title_canon_sha256":"3c3a23bdcd1b8a28ba0be2181c4a749fa4dec64cd087d39b76755c5027e7881f","abstract_canon_sha256":"405541ac5426cfb3cee5ba3dbe764e4cd8ef67c723101a628952eccd5429e53c"},"schema_version":"1.0"},"canonical_sha256":"2bf150661a8d6ed35b91939e87994a6802f2b6ade6471e273877b5d8e0e379b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-26T00:15:28.369168Z","signature_b64":"IJB624q9xgUJReFrA/x+1plQYxi3mddRGicPv9sV9cYFdi/D7iloW+RrpA5KTdYQhofX/dcJixvLmz1mG4llCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bf150661a8d6ed35b91939e87994a6802f2b6ade6471e273877b5d8e0e379b6","last_reissued_at":"2026-06-26T00:15:28.368768Z","signature_status":"signed_v1","first_computed_at":"2026-06-26T00:15:28.368768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.26168","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-26T00:15:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zlk+sc/5Ax/HQRbOMBmGs3+Z/MvfnxYFEfTmmcYyqkA2BTYsxSQoMLNXuF+5MboMzfo7uWvOZqJuaTRLrWe4AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T10:56:05.090434Z"},"content_sha256":"ad1dc1c72b2a51fa61b3fcb25796c6d40e702f224673a05df9eb1670773c4314","schema_version":"1.0","event_id":"sha256:ad1dc1c72b2a51fa61b3fcb25796c6d40e702f224673a05df9eb1670773c4314"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:FPYVAZQ2RVXNGW4RSOPIPGKKNA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Implementation of reinforcement learning in chemical reaction networks: application to phototaxis as curiosity-driven exploration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.QM"],"primary_cat":"cs.LG","authors_text":"David Colliaux, Gr\\'egoire Sergeant-Perthuis (LCQB-AG), Ruyi Tang","submitted_at":"2026-06-24T08:11:14Z","abstract_excerpt":"Living systems navigate environments using noisy and incomplete sensory signals. In unicellular algae, phototaxis is often modeled as a mechanistic run--tumble process driven by stimulus--response rules. However, such descriptions overlook how organisms actively sample their environment to reduce sensory ambiguity. From a minimal cognition perspective, we reframe this navigation as a subjective, information-driven sensorimotor process. To this end, we propose a framework linking a Partially Observable Markov Decision Process (POMDP) with biochemical reaction dynamics. Environmental variables a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26168","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/2606.26168/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-26T00:15:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c2JBNvZ1Ps6/I9a1el/AnwAGcekS85wwfp8/cJlUyvirj9RUmye/h7wxG8zJahM0QEOy3Bk1l6xiChLyD1AgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-02T10:56:05.090813Z"},"content_sha256":"a6d4e37c5b3703470f481a21845408805569de3fc406186fd50ab561e9d17bb2","schema_version":"1.0","event_id":"sha256:a6d4e37c5b3703470f481a21845408805569de3fc406186fd50ab561e9d17bb2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FPYVAZQ2RVXNGW4RSOPIPGKKNA/bundle.json","state_url":"https://pith.science/pith/FPYVAZQ2RVXNGW4RSOPIPGKKNA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FPYVAZQ2RVXNGW4RSOPIPGKKNA/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-02T10:56:05Z","links":{"resolver":"https://pith.science/pith/FPYVAZQ2RVXNGW4RSOPIPGKKNA","bundle":"https://pith.science/pith/FPYVAZQ2RVXNGW4RSOPIPGKKNA/bundle.json","state":"https://pith.science/pith/FPYVAZQ2RVXNGW4RSOPIPGKKNA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FPYVAZQ2RVXNGW4RSOPIPGKKNA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:FPYVAZQ2RVXNGW4RSOPIPGKKNA","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":"405541ac5426cfb3cee5ba3dbe764e4cd8ef67c723101a628952eccd5429e53c","cross_cats_sorted":["q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-06-24T08:11:14Z","title_canon_sha256":"3c3a23bdcd1b8a28ba0be2181c4a749fa4dec64cd087d39b76755c5027e7881f"},"schema_version":"1.0","source":{"id":"2606.26168","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.26168","created_at":"2026-06-26T00:15:28Z"},{"alias_kind":"arxiv_version","alias_value":"2606.26168v1","created_at":"2026-06-26T00:15:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26168","created_at":"2026-06-26T00:15:28Z"},{"alias_kind":"pith_short_12","alias_value":"FPYVAZQ2RVXN","created_at":"2026-06-26T00:15:28Z"},{"alias_kind":"pith_short_16","alias_value":"FPYVAZQ2RVXNGW4R","created_at":"2026-06-26T00:15:28Z"},{"alias_kind":"pith_short_8","alias_value":"FPYVAZQ2","created_at":"2026-06-26T00:15:28Z"}],"graph_snapshots":[{"event_id":"sha256:a6d4e37c5b3703470f481a21845408805569de3fc406186fd50ab561e9d17bb2","target":"graph","created_at":"2026-06-26T00:15:28Z","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/2606.26168/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Living systems navigate environments using noisy and incomplete sensory signals. In unicellular algae, phototaxis is often modeled as a mechanistic run--tumble process driven by stimulus--response rules. However, such descriptions overlook how organisms actively sample their environment to reduce sensory ambiguity. From a minimal cognition perspective, we reframe this navigation as a subjective, information-driven sensorimotor process. To this end, we propose a framework linking a Partially Observable Markov Decision Process (POMDP) with biochemical reaction dynamics. Environmental variables a","authors_text":"David Colliaux, Gr\\'egoire Sergeant-Perthuis (LCQB-AG), Ruyi Tang","cross_cats":["q-bio.QM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-06-24T08:11:14Z","title":"Implementation of reinforcement learning in chemical reaction networks: application to phototaxis as curiosity-driven exploration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26168","kind":"arxiv","version":1},"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:ad1dc1c72b2a51fa61b3fcb25796c6d40e702f224673a05df9eb1670773c4314","target":"record","created_at":"2026-06-26T00:15:28Z","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":"405541ac5426cfb3cee5ba3dbe764e4cd8ef67c723101a628952eccd5429e53c","cross_cats_sorted":["q-bio.QM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-06-24T08:11:14Z","title_canon_sha256":"3c3a23bdcd1b8a28ba0be2181c4a749fa4dec64cd087d39b76755c5027e7881f"},"schema_version":"1.0","source":{"id":"2606.26168","kind":"arxiv","version":1}},"canonical_sha256":"2bf150661a8d6ed35b91939e87994a6802f2b6ade6471e273877b5d8e0e379b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2bf150661a8d6ed35b91939e87994a6802f2b6ade6471e273877b5d8e0e379b6","first_computed_at":"2026-06-26T00:15:28.368768Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-26T00:15:28.368768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IJB624q9xgUJReFrA/x+1plQYxi3mddRGicPv9sV9cYFdi/D7iloW+RrpA5KTdYQhofX/dcJixvLmz1mG4llCw==","signature_status":"signed_v1","signed_at":"2026-06-26T00:15:28.369168Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.26168","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad1dc1c72b2a51fa61b3fcb25796c6d40e702f224673a05df9eb1670773c4314","sha256:a6d4e37c5b3703470f481a21845408805569de3fc406186fd50ab561e9d17bb2"],"state_sha256":"4ff063dfe0631ef21f8f2c90623c89c6af50def4101fc91f6cbe4e70f0b8e4bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NFLjliDRjSJ6iCjVSz+395NRZGJY5PI5OIjdng7nsFQuFknpexDz2nf9k5DtiM0W6Rdvn6ocJOPZEzYZEaDABw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-02T10:56:05.092764Z","bundle_sha256":"8de5d90f85e7fdf1a2f7670c507944bde59f2f56fea44243b1752019a2226cf9"}}