{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:OEBHOGMZYBXNXSRNZW5QWBJJJU","short_pith_number":"pith:OEBHOGMZ","canonical_record":{"source":{"id":"1512.03207","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.PL","submitted_at":"2015-12-10T10:57:56Z","cross_cats_sorted":["cs.DB"],"title_canon_sha256":"45070a5f824c0b56b189445cdeb0f579e7ef4b583d4b6407b0a19459bc852b55","abstract_canon_sha256":"c8848e82d6efc551a475109855714521aabb5a16d66864aefb0068b59268217a"},"schema_version":"1.0"},"canonical_sha256":"7102771999c06edbca2dcdbb0b05294d06662aa47842a592184b0b461cd18290","source":{"kind":"arxiv","id":"1512.03207","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03207","created_at":"2026-05-18T01:12:16Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03207v4","created_at":"2026-05-18T01:12:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03207","created_at":"2026-05-18T01:12:16Z"},{"alias_kind":"pith_short_12","alias_value":"OEBHOGMZYBXN","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OEBHOGMZYBXNXSRN","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OEBHOGMZ","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:OEBHOGMZYBXNXSRNZW5QWBJJJU","target":"record","payload":{"canonical_record":{"source":{"id":"1512.03207","kind":"arxiv","version":4},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.PL","submitted_at":"2015-12-10T10:57:56Z","cross_cats_sorted":["cs.DB"],"title_canon_sha256":"45070a5f824c0b56b189445cdeb0f579e7ef4b583d4b6407b0a19459bc852b55","abstract_canon_sha256":"c8848e82d6efc551a475109855714521aabb5a16d66864aefb0068b59268217a"},"schema_version":"1.0"},"canonical_sha256":"7102771999c06edbca2dcdbb0b05294d06662aa47842a592184b0b461cd18290","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:16.966568Z","signature_b64":"5jUPIqSIiFgola5I0PSZJd2+McxeP2zlTz3n4x9/LdaJnJeSqiye6iMlHA3OB4vhUnwVz7T9UghXRPpgHR1NBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7102771999c06edbca2dcdbb0b05294d06662aa47842a592184b0b461cd18290","last_reissued_at":"2026-05-18T01:12:16.966203Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:16.966203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.03207","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:12:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XIerTcJoZdkX8GBPs+7rm+sQ1kTXNtFXSbwBo0JEFjK0mdC9thos9HkGHjNvnQxeMHcM8c4lKs10EBKZah/LBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T18:27:00.608339Z"},"content_sha256":"83b94c83a93ca41a7cd2aa6defd7e137723c309b9044b6dfd73452ebdfa683bd","schema_version":"1.0","event_id":"sha256:83b94c83a93ca41a7cd2aa6defd7e137723c309b9044b6dfd73452ebdfa683bd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:OEBHOGMZYBXNXSRNZW5QWBJJJU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Making an Embedded DBMS JIT-friendly","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.DB"],"primary_cat":"cs.PL","authors_text":"Carl Friedrich Bolz, Darya Kurilova, Laurence Tratt","submitted_at":"2015-12-10T10:57:56Z","abstract_excerpt":"While database management systems (DBMSs) are highly optimized, interactions across the boundary between the programming language (PL) and the DBMS are costly, even for in-process embedded DBMSs. In this paper, we show that programs that interact with the popular embedded DBMS SQLite can be significantly optimized - by a factor of 3.4 in our benchmarks - by inlining across the PL / DBMS boundary. We achieved this speed-up by replacing parts of SQLite's C interpreter with RPython code and composing the resulting meta-tracing virtual machine (VM) - called SQPyte - with the PyPy VM. SQPyte does n"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03207","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T01:12:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4CVHp+OtUMw/Kso9K2b1M5UblPRusDNNGGnN6cWIfT1p14kpMBTT08S4RyNNLbxRMlNmrs07/tilY09YJtH/CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T18:27:00.608695Z"},"content_sha256":"f95ca19a3e93bf12e8fee891e0b647a7c0d9a1cd57d24a63cf494f3072b18fc6","schema_version":"1.0","event_id":"sha256:f95ca19a3e93bf12e8fee891e0b647a7c0d9a1cd57d24a63cf494f3072b18fc6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OEBHOGMZYBXNXSRNZW5QWBJJJU/bundle.json","state_url":"https://pith.science/pith/OEBHOGMZYBXNXSRNZW5QWBJJJU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OEBHOGMZYBXNXSRNZW5QWBJJJU/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":"2026-06-22T18:27:00Z","links":{"resolver":"https://pith.science/pith/OEBHOGMZYBXNXSRNZW5QWBJJJU","bundle":"https://pith.science/pith/OEBHOGMZYBXNXSRNZW5QWBJJJU/bundle.json","state":"https://pith.science/pith/OEBHOGMZYBXNXSRNZW5QWBJJJU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OEBHOGMZYBXNXSRNZW5QWBJJJU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:OEBHOGMZYBXNXSRNZW5QWBJJJU","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":"c8848e82d6efc551a475109855714521aabb5a16d66864aefb0068b59268217a","cross_cats_sorted":["cs.DB"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.PL","submitted_at":"2015-12-10T10:57:56Z","title_canon_sha256":"45070a5f824c0b56b189445cdeb0f579e7ef4b583d4b6407b0a19459bc852b55"},"schema_version":"1.0","source":{"id":"1512.03207","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03207","created_at":"2026-05-18T01:12:16Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03207v4","created_at":"2026-05-18T01:12:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03207","created_at":"2026-05-18T01:12:16Z"},{"alias_kind":"pith_short_12","alias_value":"OEBHOGMZYBXN","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"OEBHOGMZYBXNXSRN","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"OEBHOGMZ","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:f95ca19a3e93bf12e8fee891e0b647a7c0d9a1cd57d24a63cf494f3072b18fc6","target":"graph","created_at":"2026-05-18T01:12:16Z","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":"While database management systems (DBMSs) are highly optimized, interactions across the boundary between the programming language (PL) and the DBMS are costly, even for in-process embedded DBMSs. In this paper, we show that programs that interact with the popular embedded DBMS SQLite can be significantly optimized - by a factor of 3.4 in our benchmarks - by inlining across the PL / DBMS boundary. We achieved this speed-up by replacing parts of SQLite's C interpreter with RPython code and composing the resulting meta-tracing virtual machine (VM) - called SQPyte - with the PyPy VM. SQPyte does n","authors_text":"Carl Friedrich Bolz, Darya Kurilova, Laurence Tratt","cross_cats":["cs.DB"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.PL","submitted_at":"2015-12-10T10:57:56Z","title":"Making an Embedded DBMS JIT-friendly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03207","kind":"arxiv","version":4},"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":"sha256:83b94c83a93ca41a7cd2aa6defd7e137723c309b9044b6dfd73452ebdfa683bd","target":"record","created_at":"2026-05-18T01:12:16Z","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":"c8848e82d6efc551a475109855714521aabb5a16d66864aefb0068b59268217a","cross_cats_sorted":["cs.DB"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.PL","submitted_at":"2015-12-10T10:57:56Z","title_canon_sha256":"45070a5f824c0b56b189445cdeb0f579e7ef4b583d4b6407b0a19459bc852b55"},"schema_version":"1.0","source":{"id":"1512.03207","kind":"arxiv","version":4}},"canonical_sha256":"7102771999c06edbca2dcdbb0b05294d06662aa47842a592184b0b461cd18290","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7102771999c06edbca2dcdbb0b05294d06662aa47842a592184b0b461cd18290","first_computed_at":"2026-05-18T01:12:16.966203Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:16.966203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5jUPIqSIiFgola5I0PSZJd2+McxeP2zlTz3n4x9/LdaJnJeSqiye6iMlHA3OB4vhUnwVz7T9UghXRPpgHR1NBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:16.966568Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.03207","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:83b94c83a93ca41a7cd2aa6defd7e137723c309b9044b6dfd73452ebdfa683bd","sha256:f95ca19a3e93bf12e8fee891e0b647a7c0d9a1cd57d24a63cf494f3072b18fc6"],"state_sha256":"485d19b33d38f82a1c1afac63e47ac361997c8cf20f876dabca72fda23584fa2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FVxauP31sRboZXOm6DtCcYQA3df0wdsBF7hYOO6L41UwF3kAZv5NiTegcNdzINPXTtmFOAiyAceEztcFeEwMCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T18:27:00.610856Z","bundle_sha256":"c5fffa024ca981cc40f3ae386eba8fbf365056b6072c3c200940ed89f33a204b"}}