{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:FFQXBBGY3X2OILPJBHLQOSBV5V","short_pith_number":"pith:FFQXBBGY","canonical_record":{"source":{"id":"1108.2115","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-08-10T07:55:15Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"bd388bb61ffe5e4d17eeed1396f2dbe2698eedd12b209ecfc6b004146e645c61","abstract_canon_sha256":"9ac6631a410be5cd5e5ffac16166815ca9e26b8f302365287cadb15bc238c6f5"},"schema_version":"1.0"},"canonical_sha256":"29617084d8ddf4e42de909d7074835ed4ea184d7954150c47cf143128af8473b","source":{"kind":"arxiv","id":"1108.2115","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.2115","created_at":"2026-05-18T03:59:38Z"},{"alias_kind":"arxiv_version","alias_value":"1108.2115v2","created_at":"2026-05-18T03:59:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.2115","created_at":"2026-05-18T03:59:38Z"},{"alias_kind":"pith_short_12","alias_value":"FFQXBBGY3X2O","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FFQXBBGY3X2OILPJ","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FFQXBBGY","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:FFQXBBGY3X2OILPJBHLQOSBV5V","target":"record","payload":{"canonical_record":{"source":{"id":"1108.2115","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-08-10T07:55:15Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"bd388bb61ffe5e4d17eeed1396f2dbe2698eedd12b209ecfc6b004146e645c61","abstract_canon_sha256":"9ac6631a410be5cd5e5ffac16166815ca9e26b8f302365287cadb15bc238c6f5"},"schema_version":"1.0"},"canonical_sha256":"29617084d8ddf4e42de909d7074835ed4ea184d7954150c47cf143128af8473b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:59:38.143822Z","signature_b64":"aZizw5skXfdrUgzXo+wLfFKaK8JhhSau8/DZguPhASzACGU3eEXsyXqjpXtsHxrE8i/j9UxGLhSyZty/OJaGCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29617084d8ddf4e42de909d7074835ed4ea184d7954150c47cf143128af8473b","last_reissued_at":"2026-05-18T03:59:38.143146Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:59:38.143146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.2115","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:59:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HVKBKskdtoV+FYOr/P2DHsKaLIKykJHYinmr7Qb01kUzp+vapzj4i+anY1n4LHKJ6PfjE+0tK+uu4KEUS7I5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:29:01.358465Z"},"content_sha256":"2693f40c7045b24a41fafb8a963d392ac60322785fd2cda07226689335321968","schema_version":"1.0","event_id":"sha256:2693f40c7045b24a41fafb8a963d392ac60322785fd2cda07226689335321968"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:FFQXBBGY3X2OILPJBHLQOSBV5V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Ditmarsch Tale of Wonders - The Dynamics of Lying","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LO"],"primary_cat":"cs.AI","authors_text":"Hans van Ditmarsch","submitted_at":"2011-08-10T07:55:15Z","abstract_excerpt":"We propose a dynamic logic of lying, wherein a 'lie that phi' (where phi is a formula in the logic) is an action in the sense of dynamic modal logic, that is interpreted as a state transformer relative to the formula phi. The states that are being transformed are pointed Kripke models encoding the uncertainty of agents about their beliefs. Lies can be about factual propositions but also about modal formulas, such as the beliefs of other agents or the belief consequences of the lies of other agents. We distinguish (i) an outside observer who is lying to an agent that is modelled in the system, "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.2115","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":""},"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":"2026-05-18T03:59:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1y2nagNfZYz6WtmTKme8kyh+J7Yn/beAqLM/jxtUp6bf1qOoh2/UNcTR9E5yqImXAgjAXD/ciXmZtuTEX50vCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T23:29:01.359021Z"},"content_sha256":"a44f25c4ba39a6316ec648784976ed4c97b2d0505dc61ea6dbbcd0e51011b98d","schema_version":"1.0","event_id":"sha256:a44f25c4ba39a6316ec648784976ed4c97b2d0505dc61ea6dbbcd0e51011b98d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FFQXBBGY3X2OILPJBHLQOSBV5V/bundle.json","state_url":"https://pith.science/pith/FFQXBBGY3X2OILPJBHLQOSBV5V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FFQXBBGY3X2OILPJBHLQOSBV5V/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":"2026-06-08T23:29:01Z","links":{"resolver":"https://pith.science/pith/FFQXBBGY3X2OILPJBHLQOSBV5V","bundle":"https://pith.science/pith/FFQXBBGY3X2OILPJBHLQOSBV5V/bundle.json","state":"https://pith.science/pith/FFQXBBGY3X2OILPJBHLQOSBV5V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FFQXBBGY3X2OILPJBHLQOSBV5V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:FFQXBBGY3X2OILPJBHLQOSBV5V","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":"9ac6631a410be5cd5e5ffac16166815ca9e26b8f302365287cadb15bc238c6f5","cross_cats_sorted":["cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-08-10T07:55:15Z","title_canon_sha256":"bd388bb61ffe5e4d17eeed1396f2dbe2698eedd12b209ecfc6b004146e645c61"},"schema_version":"1.0","source":{"id":"1108.2115","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.2115","created_at":"2026-05-18T03:59:38Z"},{"alias_kind":"arxiv_version","alias_value":"1108.2115v2","created_at":"2026-05-18T03:59:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.2115","created_at":"2026-05-18T03:59:38Z"},{"alias_kind":"pith_short_12","alias_value":"FFQXBBGY3X2O","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FFQXBBGY3X2OILPJ","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FFQXBBGY","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:a44f25c4ba39a6316ec648784976ed4c97b2d0505dc61ea6dbbcd0e51011b98d","target":"graph","created_at":"2026-05-18T03:59:38Z","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":"We propose a dynamic logic of lying, wherein a 'lie that phi' (where phi is a formula in the logic) is an action in the sense of dynamic modal logic, that is interpreted as a state transformer relative to the formula phi. The states that are being transformed are pointed Kripke models encoding the uncertainty of agents about their beliefs. Lies can be about factual propositions but also about modal formulas, such as the beliefs of other agents or the belief consequences of the lies of other agents. We distinguish (i) an outside observer who is lying to an agent that is modelled in the system, ","authors_text":"Hans van Ditmarsch","cross_cats":["cs.LO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-08-10T07:55:15Z","title":"The Ditmarsch Tale of Wonders - The Dynamics of Lying"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.2115","kind":"arxiv","version":2},"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":"sha256:2693f40c7045b24a41fafb8a963d392ac60322785fd2cda07226689335321968","target":"record","created_at":"2026-05-18T03:59:38Z","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":"9ac6631a410be5cd5e5ffac16166815ca9e26b8f302365287cadb15bc238c6f5","cross_cats_sorted":["cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2011-08-10T07:55:15Z","title_canon_sha256":"bd388bb61ffe5e4d17eeed1396f2dbe2698eedd12b209ecfc6b004146e645c61"},"schema_version":"1.0","source":{"id":"1108.2115","kind":"arxiv","version":2}},"canonical_sha256":"29617084d8ddf4e42de909d7074835ed4ea184d7954150c47cf143128af8473b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"29617084d8ddf4e42de909d7074835ed4ea184d7954150c47cf143128af8473b","first_computed_at":"2026-05-18T03:59:38.143146Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:59:38.143146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aZizw5skXfdrUgzXo+wLfFKaK8JhhSau8/DZguPhASzACGU3eEXsyXqjpXtsHxrE8i/j9UxGLhSyZty/OJaGCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:59:38.143822Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.2115","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2693f40c7045b24a41fafb8a963d392ac60322785fd2cda07226689335321968","sha256:a44f25c4ba39a6316ec648784976ed4c97b2d0505dc61ea6dbbcd0e51011b98d"],"state_sha256":"cd004f06373c9baf1d5fa1b11de84323c8f4a6b4b920b233606995c4c576b026"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ue61BXBnS2iJUhs+nXpGa4YQ+s62Uwbxkrfz3Fh5gh1Z+j+R/p2pg13x8jLQG4RiQnPj6qxSov0hT7hOGgpgBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T23:29:01.361662Z","bundle_sha256":"4e4808e400457a53badc223d709b52ec3237fc0eb954552244d3d5c306aa7bbe"}}