{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:GLVK4KGMS2DWEZHM2BBIA5VEOS","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":"69f9acb9074dc92d03382a4f30f6dfca7cf756e711b2041c7172f68876e5c94e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2026-05-27T21:00:22Z","title_canon_sha256":"c393e1bebe2d733d156cf8cbc8421fd1a6f232d6713c26400f331518e4c82da4"},"schema_version":"1.0","source":{"id":"2605.29099","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.29099","created_at":"2026-05-29T01:05:18Z"},{"alias_kind":"arxiv_version","alias_value":"2605.29099v1","created_at":"2026-05-29T01:05:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.29099","created_at":"2026-05-29T01:05:18Z"},{"alias_kind":"pith_short_12","alias_value":"GLVK4KGMS2DW","created_at":"2026-05-29T01:05:18Z"},{"alias_kind":"pith_short_16","alias_value":"GLVK4KGMS2DWEZHM","created_at":"2026-05-29T01:05:18Z"},{"alias_kind":"pith_short_8","alias_value":"GLVK4KGM","created_at":"2026-05-29T01:05:18Z"}],"graph_snapshots":[{"event_id":"sha256:c4dad381d9342dfe8ad3c5d6ed65cec341a899aaf3c6768ffda911eb7da050be","target":"graph","created_at":"2026-05-29T01:05:18Z","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/2605.29099/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As server CPUs scale to dozens and now hundreds of cores per socket, parallel query engines must rethink how they redistribute data between threads. Partitioned operators such as hash joins and aggregations require frequent data redistribution across threads, yet existing intra-process shuffle designs fundamentally fail to scale with core count: batch partitioning avoids cross-thread synchronization in the hot path but materializes all intermediate data, introduces a global producer/consumer barrier, and requires a consumption approach with low cache locality, while channel-based streaming avo","authors_text":"Adam Szyma\\'nski, Tyler Akidau","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2026-05-27T21:00:22Z","title":"One Ring to Shuffle Them All: Scalable Intra-Process Data Redistribution with Ring-Buffer Shuffle in Redpanda Oxla"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.29099","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":"sha256:07faa398847380899b7841f965b8563a8ed7bbb18fa6af8157246045c51165e7","target":"record","created_at":"2026-05-29T01:05:18Z","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":"69f9acb9074dc92d03382a4f30f6dfca7cf756e711b2041c7172f68876e5c94e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.DB","submitted_at":"2026-05-27T21:00:22Z","title_canon_sha256":"c393e1bebe2d733d156cf8cbc8421fd1a6f232d6713c26400f331518e4c82da4"},"schema_version":"1.0","source":{"id":"2605.29099","kind":"arxiv","version":1}},"canonical_sha256":"32eaae28cc96876264ecd0428076a474ac29a53c1b12e306d4a7778087d4941c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32eaae28cc96876264ecd0428076a474ac29a53c1b12e306d4a7778087d4941c","first_computed_at":"2026-05-29T01:05:18.138328Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-29T01:05:18.138328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kN5HHc1Atnm5IxFRz7sxoGUyO8ol0meaPchJJu9BOz0Wt5RgwxpWn6M0gv22+C7vxD7HB/Z1YS0m0PY0K+DJAg==","signature_status":"signed_v1","signed_at":"2026-05-29T01:05:18.139702Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.29099","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07faa398847380899b7841f965b8563a8ed7bbb18fa6af8157246045c51165e7","sha256:c4dad381d9342dfe8ad3c5d6ed65cec341a899aaf3c6768ffda911eb7da050be"],"state_sha256":"70b3e349a133b4f99605774293c719b664b1447ccaca68b5002d446a3b04a88f"}