{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:KSLIZ4XR7HB6ZIV6XYKSW5QJ35","short_pith_number":"pith:KSLIZ4XR","schema_version":"1.0","canonical_sha256":"54968cf2f1f9c3eca2bebe152b7609df5d7157c0f57d679d9209eea16e3bc675","source":{"kind":"arxiv","id":"math/0608166","version":2},"attestation_state":"computed","paper":{"title":"Epistemic actions as resources","license":"","headline":"","cross_cats":["math.CT"],"primary_cat":"math.LO","authors_text":"Alexandru Baltag, Bob Coecke, Mehrnoosh Sadrzadeh","submitted_at":"2006-08-07T15:48:32Z","abstract_excerpt":"We provide algebraic semantics together with a sound and complete sequent calculus for information update due to epistemic actions. This semantics is flexible enough to accommodate incomplete as well as wrong information e.g.due to secrecy and deceit, as well as nested knowledge. We give a purely algebraic treatment of the muddy children puzzle, which moreover extends to situations where the children are allowed to lie and cheat. Epistemic actions, that is, information exchanges between agents, are modeled as elements of a quantale. The quantale acts on an underlying right module of epistemic "},"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":"math/0608166","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"math.LO","submitted_at":"2006-08-07T15:48:32Z","cross_cats_sorted":["math.CT"],"title_canon_sha256":"4e7aa4b1561e1be8f2181594764d7cfa8196a5d67a2ec700de1dd0b6311960ba","abstract_canon_sha256":"1b64dc72c35de40409eee0205d65878869e41a32c06a08cdbe03e44bdf3e0640"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:59:54.675276Z","signature_b64":"pktrlgEiRQ3irxAAAMrDruKkuS2hYBnSldw3a4R221RQXATAWuxjDzQl8035ZhcpoXDKli0s06pmxSI+uDwDDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54968cf2f1f9c3eca2bebe152b7609df5d7157c0f57d679d9209eea16e3bc675","last_reissued_at":"2026-07-04T14:59:54.674834Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:59:54.674834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Epistemic actions as resources","license":"","headline":"","cross_cats":["math.CT"],"primary_cat":"math.LO","authors_text":"Alexandru Baltag, Bob Coecke, Mehrnoosh Sadrzadeh","submitted_at":"2006-08-07T15:48:32Z","abstract_excerpt":"We provide algebraic semantics together with a sound and complete sequent calculus for information update due to epistemic actions. This semantics is flexible enough to accommodate incomplete as well as wrong information e.g.due to secrecy and deceit, as well as nested knowledge. We give a purely algebraic treatment of the muddy children puzzle, which moreover extends to situations where the children are allowed to lie and cheat. Epistemic actions, that is, information exchanges between agents, are modeled as elements of a quantale. The quantale acts on an underlying right module of epistemic "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"math/0608166","kind":"arxiv","version":2},"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/math/0608166/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":"math/0608166","created_at":"2026-07-04T14:59:54.674894+00:00"},{"alias_kind":"arxiv_version","alias_value":"math/0608166v2","created_at":"2026-07-04T14:59:54.674894+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.math/0608166","created_at":"2026-07-04T14:59:54.674894+00:00"},{"alias_kind":"pith_short_12","alias_value":"KSLIZ4XR7HB6","created_at":"2026-07-04T14:59:54.674894+00:00"},{"alias_kind":"pith_short_16","alias_value":"KSLIZ4XR7HB6ZIV6","created_at":"2026-07-04T14:59:54.674894+00:00"},{"alias_kind":"pith_short_8","alias_value":"KSLIZ4XR","created_at":"2026-07-04T14:59:54.674894+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/KSLIZ4XR7HB6ZIV6XYKSW5QJ35","json":"https://pith.science/pith/KSLIZ4XR7HB6ZIV6XYKSW5QJ35.json","graph_json":"https://pith.science/api/pith-number/KSLIZ4XR7HB6ZIV6XYKSW5QJ35/graph.json","events_json":"https://pith.science/api/pith-number/KSLIZ4XR7HB6ZIV6XYKSW5QJ35/events.json","paper":"https://pith.science/paper/KSLIZ4XR"},"agent_actions":{"view_html":"https://pith.science/pith/KSLIZ4XR7HB6ZIV6XYKSW5QJ35","download_json":"https://pith.science/pith/KSLIZ4XR7HB6ZIV6XYKSW5QJ35.json","view_paper":"https://pith.science/paper/KSLIZ4XR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=math/0608166&json=true","fetch_graph":"https://pith.science/api/pith-number/KSLIZ4XR7HB6ZIV6XYKSW5QJ35/graph.json","fetch_events":"https://pith.science/api/pith-number/KSLIZ4XR7HB6ZIV6XYKSW5QJ35/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KSLIZ4XR7HB6ZIV6XYKSW5QJ35/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KSLIZ4XR7HB6ZIV6XYKSW5QJ35/action/storage_attestation","attest_author":"https://pith.science/pith/KSLIZ4XR7HB6ZIV6XYKSW5QJ35/action/author_attestation","sign_citation":"https://pith.science/pith/KSLIZ4XR7HB6ZIV6XYKSW5QJ35/action/citation_signature","submit_replication":"https://pith.science/pith/KSLIZ4XR7HB6ZIV6XYKSW5QJ35/action/replication_record"}},"created_at":"2026-07-04T14:59:54.674894+00:00","updated_at":"2026-07-04T14:59:54.674894+00:00"}