{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:CWESBVG3M3DJE66SPG66RBDQ7E","short_pith_number":"pith:CWESBVG3","schema_version":"1.0","canonical_sha256":"158920d4db66c6927bd279bde88470f901c95f745022a6c71fc68de4b41ae3aa","source":{"kind":"arxiv","id":"1907.09114","version":1},"attestation_state":"computed","paper":{"title":"Exploiting Belief Bases for Building Rich Epistemic Structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.LO"],"primary_cat":"cs.GT","authors_text":"Emiliano Lorini (IRIT-CNRS, France), Toulouse University","submitted_at":"2019-07-22T03:18:48Z","abstract_excerpt":"We introduce a semantics for epistemic logic exploiting a belief base abstraction. Differently from existing Kripke-style semantics for epistemic logic in which the notions of possible world and epistemic alternative are primitive, in the proposed semantics they are non-primitive but are defined from the concept of belief base. We show that this semantics allows us to define the universal epistemic model in a simpler and more compact way than existing inductive constructions of it. We provide (i) a number of semantic equivalence results for both the basic epistemic language with \"individual be"},"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":"1907.09114","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2019-07-22T03:18:48Z","cross_cats_sorted":["cs.AI","cs.LO"],"title_canon_sha256":"130c20d2661ced720bff73a284f5d7afeb9ac86482cebf97b49a395e8816b3f1","abstract_canon_sha256":"c6f4d559f40b6e59ea233569f7e86289ee969fb7ca904a7520bd182687b3f668"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:40:00.088189Z","signature_b64":"AMNqKimDmnyN4IGdY0GVzmiBLFE9T20FinYag0Y/Fgnkfc/XXbM/ilvWpUpsoS62xV714qtq86vY8d0BiVeoAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"158920d4db66c6927bd279bde88470f901c95f745022a6c71fc68de4b41ae3aa","last_reissued_at":"2026-05-17T23:40:00.087778Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:40:00.087778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exploiting Belief Bases for Building Rich Epistemic Structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.LO"],"primary_cat":"cs.GT","authors_text":"Emiliano Lorini (IRIT-CNRS, France), Toulouse University","submitted_at":"2019-07-22T03:18:48Z","abstract_excerpt":"We introduce a semantics for epistemic logic exploiting a belief base abstraction. Differently from existing Kripke-style semantics for epistemic logic in which the notions of possible world and epistemic alternative are primitive, in the proposed semantics they are non-primitive but are defined from the concept of belief base. We show that this semantics allows us to define the universal epistemic model in a simpler and more compact way than existing inductive constructions of it. We provide (i) a number of semantic equivalence results for both the basic epistemic language with \"individual be"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.09114","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":""},"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":"1907.09114","created_at":"2026-05-17T23:40:00.087844+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.09114v1","created_at":"2026-05-17T23:40:00.087844+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.09114","created_at":"2026-05-17T23:40:00.087844+00:00"},{"alias_kind":"pith_short_12","alias_value":"CWESBVG3M3DJ","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_16","alias_value":"CWESBVG3M3DJE66S","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_8","alias_value":"CWESBVG3","created_at":"2026-05-18T12:33:15.570797+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/CWESBVG3M3DJE66SPG66RBDQ7E","json":"https://pith.science/pith/CWESBVG3M3DJE66SPG66RBDQ7E.json","graph_json":"https://pith.science/api/pith-number/CWESBVG3M3DJE66SPG66RBDQ7E/graph.json","events_json":"https://pith.science/api/pith-number/CWESBVG3M3DJE66SPG66RBDQ7E/events.json","paper":"https://pith.science/paper/CWESBVG3"},"agent_actions":{"view_html":"https://pith.science/pith/CWESBVG3M3DJE66SPG66RBDQ7E","download_json":"https://pith.science/pith/CWESBVG3M3DJE66SPG66RBDQ7E.json","view_paper":"https://pith.science/paper/CWESBVG3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.09114&json=true","fetch_graph":"https://pith.science/api/pith-number/CWESBVG3M3DJE66SPG66RBDQ7E/graph.json","fetch_events":"https://pith.science/api/pith-number/CWESBVG3M3DJE66SPG66RBDQ7E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CWESBVG3M3DJE66SPG66RBDQ7E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CWESBVG3M3DJE66SPG66RBDQ7E/action/storage_attestation","attest_author":"https://pith.science/pith/CWESBVG3M3DJE66SPG66RBDQ7E/action/author_attestation","sign_citation":"https://pith.science/pith/CWESBVG3M3DJE66SPG66RBDQ7E/action/citation_signature","submit_replication":"https://pith.science/pith/CWESBVG3M3DJE66SPG66RBDQ7E/action/replication_record"}},"created_at":"2026-05-17T23:40:00.087844+00:00","updated_at":"2026-05-17T23:40:00.087844+00:00"}