{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:BD36GO73ELRQYVCC6OMD26QA2J","short_pith_number":"pith:BD36GO73","canonical_record":{"source":{"id":"2412.09337","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2024-12-12T15:04:03Z","cross_cats_sorted":[],"title_canon_sha256":"0c13f047203eb3a61133d6520ba29986f50b1bab2a9f0151f46e8d953620e2f2","abstract_canon_sha256":"3fad07fdd2abed76e15ed4839d24247390e619365884ffd402bbe4565bcb495b"},"schema_version":"1.0"},"canonical_sha256":"08f7e33bfb22e30c5442f3983d7a00d247fdf4134879914c986e7481bdcce85b","source":{"kind":"arxiv","id":"2412.09337","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.09337","created_at":"2026-07-05T09:48:38Z"},{"alias_kind":"arxiv_version","alias_value":"2412.09337v2","created_at":"2026-07-05T09:48:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.09337","created_at":"2026-07-05T09:48:38Z"},{"alias_kind":"pith_short_12","alias_value":"BD36GO73ELRQ","created_at":"2026-07-05T09:48:38Z"},{"alias_kind":"pith_short_16","alias_value":"BD36GO73ELRQYVCC","created_at":"2026-07-05T09:48:38Z"},{"alias_kind":"pith_short_8","alias_value":"BD36GO73","created_at":"2026-07-05T09:48:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:BD36GO73ELRQYVCC6OMD26QA2J","target":"record","payload":{"canonical_record":{"source":{"id":"2412.09337","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2024-12-12T15:04:03Z","cross_cats_sorted":[],"title_canon_sha256":"0c13f047203eb3a61133d6520ba29986f50b1bab2a9f0151f46e8d953620e2f2","abstract_canon_sha256":"3fad07fdd2abed76e15ed4839d24247390e619365884ffd402bbe4565bcb495b"},"schema_version":"1.0"},"canonical_sha256":"08f7e33bfb22e30c5442f3983d7a00d247fdf4134879914c986e7481bdcce85b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:48:38.945745Z","signature_b64":"mGPgddPBWyaGdW13/m68He6LG5xXpOa4ECQeTeSY3+uR6ZnjK9I0zsjgwy9m8hWIuvytgADUsLasPvgzExxnAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"08f7e33bfb22e30c5442f3983d7a00d247fdf4134879914c986e7481bdcce85b","last_reissued_at":"2026-07-05T09:48:38.945240Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:48:38.945240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.09337","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":"2026-07-05T09:48:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xfAwRTXLFUIo4aqX5anNem6z3xtDwktmKUP8rm/Pgb2Zz809sd4ddSav7w0r0Idc0rn4n3WE3dcdfZiZblJFDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T18:19:41.476547Z"},"content_sha256":"aca92f04a01ccc5cd91970d651433e813751bb9c699032abac525e30a3b1a13b","schema_version":"1.0","event_id":"sha256:aca92f04a01ccc5cd91970d651433e813751bb9c699032abac525e30a3b1a13b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:BD36GO73ELRQYVCC6OMD26QA2J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"RTCUDB: Building Databases with RT Processors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Kai Zhang, Rubao Lee, Xiaodong Zhang, X. Sean Wang, Xuri Shi","submitted_at":"2024-12-12T15:04:03Z","abstract_excerpt":"A spectrum of new hardware has been studied to accelerate database systems in the past decade. Specifically, CUDA cores are known to benefit from the fast development of GPUs and make notable performance improvements. The state-of-the-art GPU-based implementation, i.e., Crystal, can achieve up to 61 times higher performance than CPU-based implementations. However, experiments show that the approach has already saturated almost all GPU memory bandwidth, which means there is little room left for further performance improvements. We introduce RTCUDB, the first query engine that leverages ray trac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.09337","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/2412.09337/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":"2026-07-05T09:48:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O7xgKSm/8UxBjaUxUOQcM4OkgGTw70yHnkuuPLgEOiUq5BGhV+0VCSL84qpvsFJUtKD2SHJ5UtYHHMKixAHeBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T18:19:41.476874Z"},"content_sha256":"d834aef3efbd4c839d0849a61d9893aaf01199ee5e50ccb46dcfb7b07cfc9d20","schema_version":"1.0","event_id":"sha256:d834aef3efbd4c839d0849a61d9893aaf01199ee5e50ccb46dcfb7b07cfc9d20"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BD36GO73ELRQYVCC6OMD26QA2J/bundle.json","state_url":"https://pith.science/pith/BD36GO73ELRQYVCC6OMD26QA2J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BD36GO73ELRQYVCC6OMD26QA2J/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":"2026-08-19T18:19:41Z","links":{"resolver":"https://pith.science/pith/BD36GO73ELRQYVCC6OMD26QA2J","bundle":"https://pith.science/pith/BD36GO73ELRQYVCC6OMD26QA2J/bundle.json","state":"https://pith.science/pith/BD36GO73ELRQYVCC6OMD26QA2J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BD36GO73ELRQYVCC6OMD26QA2J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:BD36GO73ELRQYVCC6OMD26QA2J","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":"3fad07fdd2abed76e15ed4839d24247390e619365884ffd402bbe4565bcb495b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2024-12-12T15:04:03Z","title_canon_sha256":"0c13f047203eb3a61133d6520ba29986f50b1bab2a9f0151f46e8d953620e2f2"},"schema_version":"1.0","source":{"id":"2412.09337","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.09337","created_at":"2026-07-05T09:48:38Z"},{"alias_kind":"arxiv_version","alias_value":"2412.09337v2","created_at":"2026-07-05T09:48:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.09337","created_at":"2026-07-05T09:48:38Z"},{"alias_kind":"pith_short_12","alias_value":"BD36GO73ELRQ","created_at":"2026-07-05T09:48:38Z"},{"alias_kind":"pith_short_16","alias_value":"BD36GO73ELRQYVCC","created_at":"2026-07-05T09:48:38Z"},{"alias_kind":"pith_short_8","alias_value":"BD36GO73","created_at":"2026-07-05T09:48:38Z"}],"graph_snapshots":[{"event_id":"sha256:d834aef3efbd4c839d0849a61d9893aaf01199ee5e50ccb46dcfb7b07cfc9d20","target":"graph","created_at":"2026-07-05T09:48:38Z","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/2412.09337/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A spectrum of new hardware has been studied to accelerate database systems in the past decade. Specifically, CUDA cores are known to benefit from the fast development of GPUs and make notable performance improvements. The state-of-the-art GPU-based implementation, i.e., Crystal, can achieve up to 61 times higher performance than CPU-based implementations. However, experiments show that the approach has already saturated almost all GPU memory bandwidth, which means there is little room left for further performance improvements. We introduce RTCUDB, the first query engine that leverages ray trac","authors_text":"Kai Zhang, Rubao Lee, Xiaodong Zhang, X. Sean Wang, Xuri Shi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2024-12-12T15:04:03Z","title":"RTCUDB: Building Databases with RT Processors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.09337","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:aca92f04a01ccc5cd91970d651433e813751bb9c699032abac525e30a3b1a13b","target":"record","created_at":"2026-07-05T09:48:38Z","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":"3fad07fdd2abed76e15ed4839d24247390e619365884ffd402bbe4565bcb495b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2024-12-12T15:04:03Z","title_canon_sha256":"0c13f047203eb3a61133d6520ba29986f50b1bab2a9f0151f46e8d953620e2f2"},"schema_version":"1.0","source":{"id":"2412.09337","kind":"arxiv","version":2}},"canonical_sha256":"08f7e33bfb22e30c5442f3983d7a00d247fdf4134879914c986e7481bdcce85b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08f7e33bfb22e30c5442f3983d7a00d247fdf4134879914c986e7481bdcce85b","first_computed_at":"2026-07-05T09:48:38.945240Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:48:38.945240Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mGPgddPBWyaGdW13/m68He6LG5xXpOa4ECQeTeSY3+uR6ZnjK9I0zsjgwy9m8hWIuvytgADUsLasPvgzExxnAw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:48:38.945745Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.09337","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aca92f04a01ccc5cd91970d651433e813751bb9c699032abac525e30a3b1a13b","sha256:d834aef3efbd4c839d0849a61d9893aaf01199ee5e50ccb46dcfb7b07cfc9d20"],"state_sha256":"42f4a333ff80ec932709c8fb9c5b11815e2fdf4f081865a36262cf6ee10a7115"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eu9c05aUcZIUUPIrA084cNvbIROhFlb697IwhwO7O/exraZVoafLAunoykmgo7g70dcCDTX+LSm6C7NscwTRCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T18:19:41.480447Z","bundle_sha256":"4760ae4b1c7ae414895a0b03d3978d1f2eb7ac133c184605c57847a04d258891"}}