{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:73KE6QQBHNIZFLWCTTIKVTJGJJ","short_pith_number":"pith:73KE6QQB","canonical_record":{"source":{"id":"1401.3476","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2014-01-15T05:32:08Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"9fb131454d14aef50d1ee746c806e7134548f2c3983a2a60be477d9eb2fb3ee1","abstract_canon_sha256":"a699ad9f8520212bcd58cac1d2bf92622abf7719e80337aadeaf0abec65ac809"},"schema_version":"1.0"},"canonical_sha256":"fed44f42013b5192aec29cd0aacd264a4b094d25a661f07253e6f8803538faf7","source":{"kind":"arxiv","id":"1401.3476","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.3476","created_at":"2026-05-18T03:02:08Z"},{"alias_kind":"arxiv_version","alias_value":"1401.3476v1","created_at":"2026-05-18T03:02:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.3476","created_at":"2026-05-18T03:02:08Z"},{"alias_kind":"pith_short_12","alias_value":"73KE6QQBHNIZ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"73KE6QQBHNIZFLWC","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"73KE6QQB","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:73KE6QQBHNIZFLWCTTIKVTJGJJ","target":"record","payload":{"canonical_record":{"source":{"id":"1401.3476","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2014-01-15T05:32:08Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"9fb131454d14aef50d1ee746c806e7134548f2c3983a2a60be477d9eb2fb3ee1","abstract_canon_sha256":"a699ad9f8520212bcd58cac1d2bf92622abf7719e80337aadeaf0abec65ac809"},"schema_version":"1.0"},"canonical_sha256":"fed44f42013b5192aec29cd0aacd264a4b094d25a661f07253e6f8803538faf7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:02:08.806187Z","signature_b64":"UfWMX1qLZOzoEIyt7RGhbivl8ZxQjYKIyy0YZ/leIerjQsPqvO2zGZ2hHP4TcCwlp5k6LosZwUk43OeGQF4RCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fed44f42013b5192aec29cd0aacd264a4b094d25a661f07253e6f8803538faf7","last_reissued_at":"2026-05-18T03:02:08.805542Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:02:08.805542Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.3476","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:02:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/HQ2sOVbd5AMbXeBk/FOPTOooGUcjcxQRc9jsxJZl4InkHFCQuBdkZZB98szUPz+QpKc8r5tnOkcmbXhHwgKDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:23:24.774536Z"},"content_sha256":"e2021f21b71c2f66c9370612704706b581b227cdf1394b314b1ddfc776ce77e2","schema_version":"1.0","event_id":"sha256:e2021f21b71c2f66c9370612704706b581b227cdf1394b314b1ddfc776ce77e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:73KE6QQBHNIZFLWCTTIKVTJGJJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Complexity of Circumscription in DLs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.LO","authors_text":"Carsten Lutz, Frank Wolter, Piero A. Bonatti","submitted_at":"2014-01-15T05:32:08Z","abstract_excerpt":"As fragments of first-order logic, Description logics (DLs) do not provide nonmonotonic features such as defeasible inheritance and default rules. Since many applications would benefit from the availability of such features, several families of nonmonotonic DLs have been developed that are mostly based on default logic and autoepistemic logic. In this paper, we consider circumscription as an interesting alternative approach to nonmonotonic DLs that, in particular, supports defeasible inheritance in a natural way. We study DLs extended with circumscription under different language restrictions "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.3476","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:02:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vcnP4UH21IiHJK65SVyV1uZMnoZW1/bx1ITnfIfoLcH/SX1UkDXBJyAcnbImrf1P+ofLfuhc7eAK7Pryy4iBAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:23:24.775216Z"},"content_sha256":"3b4c456ed35d564b15ea791498bee353ae3c976c5b08c5d15733b67a22e73e34","schema_version":"1.0","event_id":"sha256:3b4c456ed35d564b15ea791498bee353ae3c976c5b08c5d15733b67a22e73e34"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/73KE6QQBHNIZFLWCTTIKVTJGJJ/bundle.json","state_url":"https://pith.science/pith/73KE6QQBHNIZFLWCTTIKVTJGJJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/73KE6QQBHNIZFLWCTTIKVTJGJJ/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":"2026-05-25T18:23:24Z","links":{"resolver":"https://pith.science/pith/73KE6QQBHNIZFLWCTTIKVTJGJJ","bundle":"https://pith.science/pith/73KE6QQBHNIZFLWCTTIKVTJGJJ/bundle.json","state":"https://pith.science/pith/73KE6QQBHNIZFLWCTTIKVTJGJJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/73KE6QQBHNIZFLWCTTIKVTJGJJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:73KE6QQBHNIZFLWCTTIKVTJGJJ","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":"a699ad9f8520212bcd58cac1d2bf92622abf7719e80337aadeaf0abec65ac809","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2014-01-15T05:32:08Z","title_canon_sha256":"9fb131454d14aef50d1ee746c806e7134548f2c3983a2a60be477d9eb2fb3ee1"},"schema_version":"1.0","source":{"id":"1401.3476","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.3476","created_at":"2026-05-18T03:02:08Z"},{"alias_kind":"arxiv_version","alias_value":"1401.3476v1","created_at":"2026-05-18T03:02:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.3476","created_at":"2026-05-18T03:02:08Z"},{"alias_kind":"pith_short_12","alias_value":"73KE6QQBHNIZ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"73KE6QQBHNIZFLWC","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"73KE6QQB","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:3b4c456ed35d564b15ea791498bee353ae3c976c5b08c5d15733b67a22e73e34","target":"graph","created_at":"2026-05-18T03:02:08Z","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":"As fragments of first-order logic, Description logics (DLs) do not provide nonmonotonic features such as defeasible inheritance and default rules. Since many applications would benefit from the availability of such features, several families of nonmonotonic DLs have been developed that are mostly based on default logic and autoepistemic logic. In this paper, we consider circumscription as an interesting alternative approach to nonmonotonic DLs that, in particular, supports defeasible inheritance in a natural way. We study DLs extended with circumscription under different language restrictions ","authors_text":"Carsten Lutz, Frank Wolter, Piero A. Bonatti","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2014-01-15T05:32:08Z","title":"The Complexity of Circumscription in DLs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.3476","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:e2021f21b71c2f66c9370612704706b581b227cdf1394b314b1ddfc776ce77e2","target":"record","created_at":"2026-05-18T03:02:08Z","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":"a699ad9f8520212bcd58cac1d2bf92622abf7719e80337aadeaf0abec65ac809","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2014-01-15T05:32:08Z","title_canon_sha256":"9fb131454d14aef50d1ee746c806e7134548f2c3983a2a60be477d9eb2fb3ee1"},"schema_version":"1.0","source":{"id":"1401.3476","kind":"arxiv","version":1}},"canonical_sha256":"fed44f42013b5192aec29cd0aacd264a4b094d25a661f07253e6f8803538faf7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fed44f42013b5192aec29cd0aacd264a4b094d25a661f07253e6f8803538faf7","first_computed_at":"2026-05-18T03:02:08.805542Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:08.805542Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UfWMX1qLZOzoEIyt7RGhbivl8ZxQjYKIyy0YZ/leIerjQsPqvO2zGZ2hHP4TcCwlp5k6LosZwUk43OeGQF4RCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:08.806187Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.3476","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e2021f21b71c2f66c9370612704706b581b227cdf1394b314b1ddfc776ce77e2","sha256:3b4c456ed35d564b15ea791498bee353ae3c976c5b08c5d15733b67a22e73e34"],"state_sha256":"44fc4b242d0608fd998e28360dc21c64d042d0b91b3aeaa81735c93d9b04d113"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PoSrqhGR70sNb7+3TxBamBne2QGEPo8Q0l9FMqkTZZX1hsC/duxS6nI/Ayi3gF0SYxMZpBKYrHucbEJ1yzBkCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:23:24.779081Z","bundle_sha256":"19ced18c116916986bda5f3eef37f67482655cc5e12a1da2117233ad118c7898"}}