{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:CZ7Y4Q4MRUDZBBP6ZFDRRAW5WP","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":"7d6df2c71b47e4ca6dacfd8dfde52047d84206808dbb71f29e4b305523d88cd1","cross_cats_sorted":["cs.DB"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2023-03-31T14:23:48Z","title_canon_sha256":"fb9972b2664034217c09ea1b89b007819ef0cac9303e95b857b55cdfc3e177f8"},"schema_version":"1.0","source":{"id":"2303.18086","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.18086","created_at":"2026-07-05T08:43:21Z"},{"alias_kind":"arxiv_version","alias_value":"2303.18086v3","created_at":"2026-07-05T08:43:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.18086","created_at":"2026-07-05T08:43:21Z"},{"alias_kind":"pith_short_12","alias_value":"CZ7Y4Q4MRUDZ","created_at":"2026-07-05T08:43:21Z"},{"alias_kind":"pith_short_16","alias_value":"CZ7Y4Q4MRUDZBBP6","created_at":"2026-07-05T08:43:21Z"},{"alias_kind":"pith_short_8","alias_value":"CZ7Y4Q4M","created_at":"2026-07-05T08:43:21Z"}],"graph_snapshots":[{"event_id":"sha256:47290745d283b5dcfe231bd4a884d87f170adf6cfce7640842dba7aa9cb04b83","target":"graph","created_at":"2026-07-05T08:43:21Z","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/2303.18086/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We design, to the best of our knowledge, the first differentially private (DP) stream aggregation processing system at scale. Our system -- Differential Privacy SQL Pipelines (DP-SQLP) -- is built using a streaming framework similar to Spark streaming, and is built on top of the Spanner database and the F1 query engine from Google.\n  Towards designing DP-SQLP we make both algorithmic and systemic advances, namely, we (i) design a novel (user-level) DP key selection algorithm that can operate on an unbounded set of possible keys, and can scale to one billion keys that users have contributed, (i","authors_text":"Abhradeep Thakurta, Bing Zhang, Eidan Cohen, Himani Apte, Jodi Spacek, Peter Kairouz, Thomas Steinke, Vadym Doroshenko, Ziyin Ma","cross_cats":["cs.DB"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2023-03-31T14:23:48Z","title":"Differentially Private Stream Processing at Scale"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.18086","kind":"arxiv","version":3},"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":"sha256:67fdb50bf49c26adb530f7cff621e541c09def13eac8c4a6a0a49b0c4899a751","target":"record","created_at":"2026-07-05T08:43:21Z","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":"7d6df2c71b47e4ca6dacfd8dfde52047d84206808dbb71f29e4b305523d88cd1","cross_cats_sorted":["cs.DB"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CR","submitted_at":"2023-03-31T14:23:48Z","title_canon_sha256":"fb9972b2664034217c09ea1b89b007819ef0cac9303e95b857b55cdfc3e177f8"},"schema_version":"1.0","source":{"id":"2303.18086","kind":"arxiv","version":3}},"canonical_sha256":"167f8e438c8d079085fec9471882ddb3c363ffb6ac611d04db0a3877da11f6dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"167f8e438c8d079085fec9471882ddb3c363ffb6ac611d04db0a3877da11f6dc","first_computed_at":"2026-07-05T08:43:21.738883Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:43:21.738883Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x7lwgK0DJgNvCk2oRWvgI5leFRylqZbRgn/D78XKeOH/cAPXyFqGn2aQypG8//m0nc7keFN/xA7+E2GyI02oBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:43:21.739421Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.18086","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:67fdb50bf49c26adb530f7cff621e541c09def13eac8c4a6a0a49b0c4899a751","sha256:47290745d283b5dcfe231bd4a884d87f170adf6cfce7640842dba7aa9cb04b83"],"state_sha256":"9384ad83848db804f41387c481535f5afc2a13a6b62cb5ed727141cd58025630"}