{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SNAMOHUDL757FRCPGQCNDEZXIO","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":"1528bd38a5d19fc22a63692707f9fde4807ec9ad84314804a0976d02d96b302f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-04-21T09:34:07Z","title_canon_sha256":"d4670184193f9e49334c4d5f7c1e54efcf5abf2d3743e41cab0a038082c67808"},"schema_version":"1.0","source":{"id":"1504.05353","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.05353","created_at":"2026-05-18T02:18:14Z"},{"alias_kind":"arxiv_version","alias_value":"1504.05353v1","created_at":"2026-05-18T02:18:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.05353","created_at":"2026-05-18T02:18:14Z"},{"alias_kind":"pith_short_12","alias_value":"SNAMOHUDL757","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SNAMOHUDL757FRCP","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SNAMOHUD","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:faa57edcba5746f19751717f854b6d543cb9da94ff400314b0f723633d1387dc","target":"graph","created_at":"2026-05-18T02:18:14Z","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":"The problem of the release of anonymized microdata is an important topic in the fields of statistical disclosure control (SDC) and privacy preserving data publishing (PPDP), and yet it remains sufficiently unsolved. In these research fields, k-anonymity has been widely studied as an anonymity notion for mainly deterministic anonymization algorithms, and some probabilistic relaxations have been developed. However, they are not sufficient due to their limitations, i.e., being weaker than the original k-anonymity or requiring strong parametric assumptions. First we propose Pk-anonymity, a new pro","authors_text":"Dai Ikarashi, Katsumi Takahashi, Koji Chida, Ryo Kikuchi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-04-21T09:34:07Z","title":"k-anonymous Microdata Release via Post Randomisation Method"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.05353","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":"sha256:3f996f6c6b739c060886a0def2f80165c18ad101afe68275a60a1019f43591ec","target":"record","created_at":"2026-05-18T02:18:14Z","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":"1528bd38a5d19fc22a63692707f9fde4807ec9ad84314804a0976d02d96b302f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-04-21T09:34:07Z","title_canon_sha256":"d4670184193f9e49334c4d5f7c1e54efcf5abf2d3743e41cab0a038082c67808"},"schema_version":"1.0","source":{"id":"1504.05353","kind":"arxiv","version":1}},"canonical_sha256":"9340c71e835ffbf2c44f3404d193374388d4739a11e04a47aaa2f57f8f578660","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9340c71e835ffbf2c44f3404d193374388d4739a11e04a47aaa2f57f8f578660","first_computed_at":"2026-05-18T02:18:14.473369Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:18:14.473369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ssJTIVHcWlyQ2XOzC8f3Di+BCUzmoa+kvgkmQeDCajlfp1DwYXxZS5zhFy+IsQnWige3rFSaH32Zd7zvNC0tAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:18:14.473819Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.05353","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3f996f6c6b739c060886a0def2f80165c18ad101afe68275a60a1019f43591ec","sha256:faa57edcba5746f19751717f854b6d543cb9da94ff400314b0f723633d1387dc"],"state_sha256":"44ad5d7b916d96e7bd22150027d94aece8293ad50ce16e7384853023a70d163d"}