{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:7LMTC6HML2GJ5I5OU65RNLPMYS","short_pith_number":"pith:7LMTC6HM","schema_version":"1.0","canonical_sha256":"fad93178ec5e8c9ea3aea7bb16adecc4b2b9ec0c73360e5501b3640db7055ffc","source":{"kind":"arxiv","id":"2508.02197","version":3},"attestation_state":"computed","paper":{"title":"A Message Passing Realization of Expected Free Energy Minimization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Bert de Vries, Mykola Lukashchuk, Thijs van de Laar, Wouter W. L. Nuijten","submitted_at":"2025-08-04T08:48:37Z","abstract_excerpt":"We present a message passing approach to Expected Free Energy (EFE) minimization on factor graphs, based on the theory introduced in arXiv:2504.14898. By reformulating EFE minimization as Variational Free Energy minimization with epistemic priors, we transform a combinatorial search problem into a tractable inference problem solvable through standard variational techniques. Applying our message passing method to factorized state-space models enables efficient policy inference. We evaluate our method on environments with epistemic uncertainty: a stochastic gridworld and a partially observable M"},"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":"2508.02197","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-08-04T08:48:37Z","cross_cats_sorted":[],"title_canon_sha256":"e35585487bdb49421aada12e0cee337063eb8debd41a5405a7c24819e51c36e6","abstract_canon_sha256":"7011acf96ac864e66e534c390bdbfa0846dbe6c2cf217e281e82b1d103071fec"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T01:05:08.478969Z","signature_b64":"AA/lwQyouCQepYRfhAhN9Wc8fTMIQOT0RZtwzgt91MoMcuzzWk3QJqteUehvotebNLvrA2E1uai3+9auobitAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fad93178ec5e8c9ea3aea7bb16adecc4b2b9ec0c73360e5501b3640db7055ffc","last_reissued_at":"2026-06-09T01:05:08.478403Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T01:05:08.478403Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Message Passing Realization of Expected Free Energy Minimization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Bert de Vries, Mykola Lukashchuk, Thijs van de Laar, Wouter W. L. Nuijten","submitted_at":"2025-08-04T08:48:37Z","abstract_excerpt":"We present a message passing approach to Expected Free Energy (EFE) minimization on factor graphs, based on the theory introduced in arXiv:2504.14898. By reformulating EFE minimization as Variational Free Energy minimization with epistemic priors, we transform a combinatorial search problem into a tractable inference problem solvable through standard variational techniques. Applying our message passing method to factorized state-space models enables efficient policy inference. We evaluate our method on environments with epistemic uncertainty: a stochastic gridworld and a partially observable M"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.02197","kind":"arxiv","version":3},"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/2508.02197/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":"2508.02197","created_at":"2026-06-09T01:05:08.478463+00:00"},{"alias_kind":"arxiv_version","alias_value":"2508.02197v3","created_at":"2026-06-09T01:05:08.478463+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.02197","created_at":"2026-06-09T01:05:08.478463+00:00"},{"alias_kind":"pith_short_12","alias_value":"7LMTC6HML2GJ","created_at":"2026-06-09T01:05:08.478463+00:00"},{"alias_kind":"pith_short_16","alias_value":"7LMTC6HML2GJ5I5O","created_at":"2026-06-09T01:05:08.478463+00:00"},{"alias_kind":"pith_short_8","alias_value":"7LMTC6HM","created_at":"2026-06-09T01:05:08.478463+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/7LMTC6HML2GJ5I5OU65RNLPMYS","json":"https://pith.science/pith/7LMTC6HML2GJ5I5OU65RNLPMYS.json","graph_json":"https://pith.science/api/pith-number/7LMTC6HML2GJ5I5OU65RNLPMYS/graph.json","events_json":"https://pith.science/api/pith-number/7LMTC6HML2GJ5I5OU65RNLPMYS/events.json","paper":"https://pith.science/paper/7LMTC6HM"},"agent_actions":{"view_html":"https://pith.science/pith/7LMTC6HML2GJ5I5OU65RNLPMYS","download_json":"https://pith.science/pith/7LMTC6HML2GJ5I5OU65RNLPMYS.json","view_paper":"https://pith.science/paper/7LMTC6HM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2508.02197&json=true","fetch_graph":"https://pith.science/api/pith-number/7LMTC6HML2GJ5I5OU65RNLPMYS/graph.json","fetch_events":"https://pith.science/api/pith-number/7LMTC6HML2GJ5I5OU65RNLPMYS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7LMTC6HML2GJ5I5OU65RNLPMYS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7LMTC6HML2GJ5I5OU65RNLPMYS/action/storage_attestation","attest_author":"https://pith.science/pith/7LMTC6HML2GJ5I5OU65RNLPMYS/action/author_attestation","sign_citation":"https://pith.science/pith/7LMTC6HML2GJ5I5OU65RNLPMYS/action/citation_signature","submit_replication":"https://pith.science/pith/7LMTC6HML2GJ5I5OU65RNLPMYS/action/replication_record"}},"created_at":"2026-06-09T01:05:08.478463+00:00","updated_at":"2026-06-09T01:05:08.478463+00:00"}