{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:CJU4ON3LROLHPFWV6NU5DQVZAH","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":"8703581d2c5bdf6428b9f4d650d8606c024d192eaf73cecde8bbba40d2af871e","cross_cats_sorted":["cs.GT","cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2014-01-09T14:19:54Z","title_canon_sha256":"b05d99e1672bf3dafb24fefca3b48e01c8404cb3489c6d64cc7cd087dcd5795a"},"schema_version":"1.0","source":{"id":"1401.2011","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.2011","created_at":"2026-05-18T03:02:47Z"},{"alias_kind":"arxiv_version","alias_value":"1401.2011v1","created_at":"2026-05-18T03:02:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.2011","created_at":"2026-05-18T03:02:47Z"},{"alias_kind":"pith_short_12","alias_value":"CJU4ON3LROLH","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"CJU4ON3LROLHPFWV","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"CJU4ON3L","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:b1ac095cf5a30ac030b0cc326924c2e746b13e4a04ed8ec3f4fc8bca0892e06d","target":"graph","created_at":"2026-05-18T03:02:47Z","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"},"paper":{"abstract_excerpt":"Standard models of multi-agent modal logic do not capture the fact that information is often \\emph{ambiguous}, and may be interpreted in different ways by different agents. We propose a framework that can model this, and consider different semantics that capture different assumptions about the agents' beliefs regarding whether or not there is ambiguity. We examine the expressive power of logics of ambiguity compared to logics that cannot model ambiguity, with respect to the different semantics that we propose.","authors_text":"Joseph Y. Halpern, Willemien Kets","cross_cats":["cs.GT","cs.LO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2014-01-09T14:19:54Z","title":"A logic for reasoning about ambiguity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.2011","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":"sha256:1662c18dc5ba6c2b8dda7a5db04a8c9f6217946a07d5ab946ad352e4124da008","target":"record","created_at":"2026-05-18T03:02:47Z","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":"8703581d2c5bdf6428b9f4d650d8606c024d192eaf73cecde8bbba40d2af871e","cross_cats_sorted":["cs.GT","cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2014-01-09T14:19:54Z","title_canon_sha256":"b05d99e1672bf3dafb24fefca3b48e01c8404cb3489c6d64cc7cd087dcd5795a"},"schema_version":"1.0","source":{"id":"1401.2011","kind":"arxiv","version":1}},"canonical_sha256":"1269c7376b8b967796d5f369d1c2b901da2379b29f6c6c694b6171f2d9ccd23f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1269c7376b8b967796d5f369d1c2b901da2379b29f6c6c694b6171f2d9ccd23f","first_computed_at":"2026-05-18T03:02:47.779759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:47.779759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/QHqhCObW49C7N9TgqGTcUuByv8a8XfjpK7sFkihQW1+PfLnrrsSd9a8mQW21K4aim89JyC7/zd0AE/HNHcpCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:47.780508Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.2011","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1662c18dc5ba6c2b8dda7a5db04a8c9f6217946a07d5ab946ad352e4124da008","sha256:b1ac095cf5a30ac030b0cc326924c2e746b13e4a04ed8ec3f4fc8bca0892e06d"],"state_sha256":"31125d3c69f086d0a4fb4ad31dbdb6706e34dea1ad6c247bfd7ad7ec6cb96fae"}