{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:ITY7ADMBMG3BDBMALAUC3YO6EZ","short_pith_number":"pith:ITY7ADMB","canonical_record":{"source":{"id":"2212.10310","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2022-12-20T15:01:54Z","cross_cats_sorted":["cs.CY","cs.DB"],"title_canon_sha256":"a9261daa9c7b9079e7c458cb2bc8c04af20ced54a1ece92270a87bea808a8e5c","abstract_canon_sha256":"4e429ae1cedab1edebe7b392ec32473d716edc1bbb514f27027327bf5ccfab24"},"schema_version":"1.0"},"canonical_sha256":"44f1f00d8161b611858058282de1de2641015547694d1b5eea4b5ed4b5214204","source":{"kind":"arxiv","id":"2212.10310","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.10310","created_at":"2026-07-05T05:54:56Z"},{"alias_kind":"arxiv_version","alias_value":"2212.10310v2","created_at":"2026-07-05T05:54:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.10310","created_at":"2026-07-05T05:54:56Z"},{"alias_kind":"pith_short_12","alias_value":"ITY7ADMBMG3B","created_at":"2026-07-05T05:54:56Z"},{"alias_kind":"pith_short_16","alias_value":"ITY7ADMBMG3BDBMA","created_at":"2026-07-05T05:54:56Z"},{"alias_kind":"pith_short_8","alias_value":"ITY7ADMB","created_at":"2026-07-05T05:54:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:ITY7ADMBMG3BDBMALAUC3YO6EZ","target":"record","payload":{"canonical_record":{"source":{"id":"2212.10310","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2022-12-20T15:01:54Z","cross_cats_sorted":["cs.CY","cs.DB"],"title_canon_sha256":"a9261daa9c7b9079e7c458cb2bc8c04af20ced54a1ece92270a87bea808a8e5c","abstract_canon_sha256":"4e429ae1cedab1edebe7b392ec32473d716edc1bbb514f27027327bf5ccfab24"},"schema_version":"1.0"},"canonical_sha256":"44f1f00d8161b611858058282de1de2641015547694d1b5eea4b5ed4b5214204","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:54:56.536024Z","signature_b64":"cK7REeEQXhU9irIrxfh35d0Vv1A/HNE9NqKsw+LQzlNbtaJVSm11Db+14RXz4xv5q8hg1m/33yQOywXWw3BXCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44f1f00d8161b611858058282de1de2641015547694d1b5eea4b5ed4b5214204","last_reissued_at":"2026-07-05T05:54:56.535505Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:54:56.535505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.10310","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":"2026-07-05T05:54:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LWi0lrGjhBJJRfAvpEFikyTtcYFN1pLu4replRyITWRqJwfSxNTBiSYg/heOftyrogv1xrgIkJBsADtWNCoRDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T04:48:22.851392Z"},"content_sha256":"6a029fc4a2313d323613f428f104ad3ed2a46713d73d09127cf44ae86d3aa38e","schema_version":"1.0","event_id":"sha256:6a029fc4a2313d323613f428f104ad3ed2a46713d73d09127cf44ae86d3aa38e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:ITY7ADMBMG3BDBMALAUC3YO6EZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PreFair: Privately Generating Justifiably Fair Synthetic Data","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.CY","cs.DB"],"primary_cat":"cs.CR","authors_text":"Amir Gilad, Ashwin Machanavajjhala, David Pujol","submitted_at":"2022-12-20T15:01:54Z","abstract_excerpt":"When a database is protected by Differential Privacy (DP), its usability is limited in scope. In this scenario, generating a synthetic version of the data that mimics the properties of the private data allows users to perform any operation on the synthetic data, while maintaining the privacy of the original data. Therefore, multiple works have been devoted to devising systems for DP synthetic data generation. However, such systems may preserve or even magnify properties of the data that make it unfair, endering the synthetic data unfit for use. In this work, we present PreFair, a system that a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.10310","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/2212.10310/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:54:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DLr5SzUsTkxazEwuBwXKnqhos2lwShW5VY9M5hTPXyIy0kWYyLhZ0izILhSow77Zs6UCqofrp4b95qy987u9Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T04:48:22.851779Z"},"content_sha256":"5fa8f34c160d3c6724009b5c656234f88f3372f43facdae819631e4de795ae39","schema_version":"1.0","event_id":"sha256:5fa8f34c160d3c6724009b5c656234f88f3372f43facdae819631e4de795ae39"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ITY7ADMBMG3BDBMALAUC3YO6EZ/bundle.json","state_url":"https://pith.science/pith/ITY7ADMBMG3BDBMALAUC3YO6EZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ITY7ADMBMG3BDBMALAUC3YO6EZ/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":"2026-07-09T04:48:22Z","links":{"resolver":"https://pith.science/pith/ITY7ADMBMG3BDBMALAUC3YO6EZ","bundle":"https://pith.science/pith/ITY7ADMBMG3BDBMALAUC3YO6EZ/bundle.json","state":"https://pith.science/pith/ITY7ADMBMG3BDBMALAUC3YO6EZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ITY7ADMBMG3BDBMALAUC3YO6EZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:ITY7ADMBMG3BDBMALAUC3YO6EZ","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":"4e429ae1cedab1edebe7b392ec32473d716edc1bbb514f27027327bf5ccfab24","cross_cats_sorted":["cs.CY","cs.DB"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2022-12-20T15:01:54Z","title_canon_sha256":"a9261daa9c7b9079e7c458cb2bc8c04af20ced54a1ece92270a87bea808a8e5c"},"schema_version":"1.0","source":{"id":"2212.10310","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.10310","created_at":"2026-07-05T05:54:56Z"},{"alias_kind":"arxiv_version","alias_value":"2212.10310v2","created_at":"2026-07-05T05:54:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.10310","created_at":"2026-07-05T05:54:56Z"},{"alias_kind":"pith_short_12","alias_value":"ITY7ADMBMG3B","created_at":"2026-07-05T05:54:56Z"},{"alias_kind":"pith_short_16","alias_value":"ITY7ADMBMG3BDBMA","created_at":"2026-07-05T05:54:56Z"},{"alias_kind":"pith_short_8","alias_value":"ITY7ADMB","created_at":"2026-07-05T05:54:56Z"}],"graph_snapshots":[{"event_id":"sha256:5fa8f34c160d3c6724009b5c656234f88f3372f43facdae819631e4de795ae39","target":"graph","created_at":"2026-07-05T05:54:56Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2212.10310/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"When a database is protected by Differential Privacy (DP), its usability is limited in scope. In this scenario, generating a synthetic version of the data that mimics the properties of the private data allows users to perform any operation on the synthetic data, while maintaining the privacy of the original data. Therefore, multiple works have been devoted to devising systems for DP synthetic data generation. However, such systems may preserve or even magnify properties of the data that make it unfair, endering the synthetic data unfit for use. In this work, we present PreFair, a system that a","authors_text":"Amir Gilad, Ashwin Machanavajjhala, David Pujol","cross_cats":["cs.CY","cs.DB"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2022-12-20T15:01:54Z","title":"PreFair: Privately Generating Justifiably Fair Synthetic Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.10310","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":"sha256:6a029fc4a2313d323613f428f104ad3ed2a46713d73d09127cf44ae86d3aa38e","target":"record","created_at":"2026-07-05T05:54:56Z","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":"4e429ae1cedab1edebe7b392ec32473d716edc1bbb514f27027327bf5ccfab24","cross_cats_sorted":["cs.CY","cs.DB"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CR","submitted_at":"2022-12-20T15:01:54Z","title_canon_sha256":"a9261daa9c7b9079e7c458cb2bc8c04af20ced54a1ece92270a87bea808a8e5c"},"schema_version":"1.0","source":{"id":"2212.10310","kind":"arxiv","version":2}},"canonical_sha256":"44f1f00d8161b611858058282de1de2641015547694d1b5eea4b5ed4b5214204","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44f1f00d8161b611858058282de1de2641015547694d1b5eea4b5ed4b5214204","first_computed_at":"2026-07-05T05:54:56.535505Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:54:56.535505Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cK7REeEQXhU9irIrxfh35d0Vv1A/HNE9NqKsw+LQzlNbtaJVSm11Db+14RXz4xv5q8hg1m/33yQOywXWw3BXCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:54:56.536024Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.10310","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a029fc4a2313d323613f428f104ad3ed2a46713d73d09127cf44ae86d3aa38e","sha256:5fa8f34c160d3c6724009b5c656234f88f3372f43facdae819631e4de795ae39"],"state_sha256":"223db767261c4297e1bfa3a0a4f09c6f73c1fad64a8abf170b5d119237cb72ad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hyrrpCU5NH7WNaQ88u/MtfYTs7uBqLE2V8GBWr7bfI7Kwe/JzGh7Qcu7di/F4CBvI4aNEcbDw+WCt8wn4SIBBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T04:48:22.853987Z","bundle_sha256":"94f18815906d21a722c51d868977574741262c1f7f9f3d6868792c493f0222ed"}}