{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:A42D5LS7Q624EJHCXJFXCN6QDZ","short_pith_number":"pith:A42D5LS7","canonical_record":{"source":{"id":"1303.4869","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2013-03-20T08:22:11Z","cross_cats_sorted":[],"title_canon_sha256":"fe0d091ea2dc652fbb109f4511e10ee7d4b9fcdc3b6ffea804d61e7aff5a3839","abstract_canon_sha256":"3f663a1eb5e3e0fa1a496673dda0a2ad6bdca46739b7229c54e50e38034ed69b"},"schema_version":"1.0"},"canonical_sha256":"07343eae5f87b5c224e2ba4b7137d01e6d62bb269792753b8c84658985acb8e7","source":{"kind":"arxiv","id":"1303.4869","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.4869","created_at":"2026-05-18T03:30:15Z"},{"alias_kind":"arxiv_version","alias_value":"1303.4869v1","created_at":"2026-05-18T03:30:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.4869","created_at":"2026-05-18T03:30:15Z"},{"alias_kind":"pith_short_12","alias_value":"A42D5LS7Q624","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"A42D5LS7Q624EJHC","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"A42D5LS7","created_at":"2026-05-18T12:27:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:A42D5LS7Q624EJHCXJFXCN6QDZ","target":"record","payload":{"canonical_record":{"source":{"id":"1303.4869","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2013-03-20T08:22:11Z","cross_cats_sorted":[],"title_canon_sha256":"fe0d091ea2dc652fbb109f4511e10ee7d4b9fcdc3b6ffea804d61e7aff5a3839","abstract_canon_sha256":"3f663a1eb5e3e0fa1a496673dda0a2ad6bdca46739b7229c54e50e38034ed69b"},"schema_version":"1.0"},"canonical_sha256":"07343eae5f87b5c224e2ba4b7137d01e6d62bb269792753b8c84658985acb8e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:30:15.887582Z","signature_b64":"H/MxqB0NdGE5rHRqHQrZe1H0uctnx4gMOGihDHsTTMJ4fOIObXEazV0v2a6aAQKbJVkXvCN4SAwlCOAN/ZGiCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"07343eae5f87b5c224e2ba4b7137d01e6d62bb269792753b8c84658985acb8e7","last_reissued_at":"2026-05-18T03:30:15.886804Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:30:15.886804Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.4869","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:30:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YPebMVZNjWWDJU00z0Ll3HBqKibBVDY95S6ktkHD1Ds5LLf46T2HDdXYZOm6ZLwEJWP1FUJvjVa56E/Ckig7Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T05:24:42.387720Z"},"content_sha256":"062867d83687041d7f3af9ed0e6ad2562292a4289701bf29dd06f1850ecdd27b","schema_version":"1.0","event_id":"sha256:062867d83687041d7f3af9ed0e6ad2562292a4289701bf29dd06f1850ecdd27b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:A42D5LS7Q624EJHCXJFXCN6QDZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Does query performance optimization lead to energy efficiency? A comparative analysis of energy efficiency of database operations under different workload scenarios","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Nikolaos Korfiatis, Raik Niemann, Richard G\\\"obel, Roberto Zicari","submitted_at":"2013-03-20T08:22:11Z","abstract_excerpt":"With the continuous increase of online services as well as energy costs, energy consumption becomes a significant cost factor for the evaluation of data center operations. A significant contributor to that is the performance of database servers which are found to constitute the backbone of online services. From a software approach, while a set of novel data management technologies appear in the market e.g. key-value based or in-memory databases, classic relational database management systems (RDBMS) are still widely used. In addition from a hardware perspective, the majority of database server"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.4869","kind":"arxiv","version":1},"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":"2026-05-18T03:30:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h3zqlkF7Lr0EdlRt0OhDFEuURvaEkOvnVdHZBMk2yXO7sSfAVQmYYbHc7SNCAFAwhCiQH+V+J2H/3WJd7C+hAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-12T05:24:42.388079Z"},"content_sha256":"843f0e53e63b974f464a69c0e7774d1a91f48a0e31e08210c213de73a7a0a4e1","schema_version":"1.0","event_id":"sha256:843f0e53e63b974f464a69c0e7774d1a91f48a0e31e08210c213de73a7a0a4e1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A42D5LS7Q624EJHCXJFXCN6QDZ/bundle.json","state_url":"https://pith.science/pith/A42D5LS7Q624EJHCXJFXCN6QDZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A42D5LS7Q624EJHCXJFXCN6QDZ/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":"2026-06-12T05:24:42Z","links":{"resolver":"https://pith.science/pith/A42D5LS7Q624EJHCXJFXCN6QDZ","bundle":"https://pith.science/pith/A42D5LS7Q624EJHCXJFXCN6QDZ/bundle.json","state":"https://pith.science/pith/A42D5LS7Q624EJHCXJFXCN6QDZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A42D5LS7Q624EJHCXJFXCN6QDZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:A42D5LS7Q624EJHCXJFXCN6QDZ","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":"3f663a1eb5e3e0fa1a496673dda0a2ad6bdca46739b7229c54e50e38034ed69b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2013-03-20T08:22:11Z","title_canon_sha256":"fe0d091ea2dc652fbb109f4511e10ee7d4b9fcdc3b6ffea804d61e7aff5a3839"},"schema_version":"1.0","source":{"id":"1303.4869","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.4869","created_at":"2026-05-18T03:30:15Z"},{"alias_kind":"arxiv_version","alias_value":"1303.4869v1","created_at":"2026-05-18T03:30:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.4869","created_at":"2026-05-18T03:30:15Z"},{"alias_kind":"pith_short_12","alias_value":"A42D5LS7Q624","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"A42D5LS7Q624EJHC","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"A42D5LS7","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:843f0e53e63b974f464a69c0e7774d1a91f48a0e31e08210c213de73a7a0a4e1","target":"graph","created_at":"2026-05-18T03:30:15Z","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":"With the continuous increase of online services as well as energy costs, energy consumption becomes a significant cost factor for the evaluation of data center operations. A significant contributor to that is the performance of database servers which are found to constitute the backbone of online services. From a software approach, while a set of novel data management technologies appear in the market e.g. key-value based or in-memory databases, classic relational database management systems (RDBMS) are still widely used. In addition from a hardware perspective, the majority of database server","authors_text":"Nikolaos Korfiatis, Raik Niemann, Richard G\\\"obel, Roberto Zicari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2013-03-20T08:22:11Z","title":"Does query performance optimization lead to energy efficiency? A comparative analysis of energy efficiency of database operations under different workload scenarios"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.4869","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":"sha256:062867d83687041d7f3af9ed0e6ad2562292a4289701bf29dd06f1850ecdd27b","target":"record","created_at":"2026-05-18T03:30:15Z","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":"3f663a1eb5e3e0fa1a496673dda0a2ad6bdca46739b7229c54e50e38034ed69b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2013-03-20T08:22:11Z","title_canon_sha256":"fe0d091ea2dc652fbb109f4511e10ee7d4b9fcdc3b6ffea804d61e7aff5a3839"},"schema_version":"1.0","source":{"id":"1303.4869","kind":"arxiv","version":1}},"canonical_sha256":"07343eae5f87b5c224e2ba4b7137d01e6d62bb269792753b8c84658985acb8e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07343eae5f87b5c224e2ba4b7137d01e6d62bb269792753b8c84658985acb8e7","first_computed_at":"2026-05-18T03:30:15.886804Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:30:15.886804Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H/MxqB0NdGE5rHRqHQrZe1H0uctnx4gMOGihDHsTTMJ4fOIObXEazV0v2a6aAQKbJVkXvCN4SAwlCOAN/ZGiCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:30:15.887582Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.4869","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:062867d83687041d7f3af9ed0e6ad2562292a4289701bf29dd06f1850ecdd27b","sha256:843f0e53e63b974f464a69c0e7774d1a91f48a0e31e08210c213de73a7a0a4e1"],"state_sha256":"09bf4dff117654db918a26a1967c108952b9963850a872e89c745024e7c26173"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I2wdpUsb6ZOwcUIMQirAVPfVMacA3xQmuD9qj8zpc46nPGNKAI8USKbbTjFP97v2a58J94w9VsDuEdr2eF2mCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-12T05:24:42.390547Z","bundle_sha256":"3a76b086a333d5fd507e181f96273ef7a4ef9168598f97f274c437b05e2283eb"}}