{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:R7BKBOAMDCFL6UUNI354XCMYTI","short_pith_number":"pith:R7BKBOAM","canonical_record":{"source":{"id":"2502.02412","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2025-02-04T15:32:34Z","cross_cats_sorted":[],"title_canon_sha256":"faae09d6cc55183224dc9ee31ea659eb65acd7785614ed61844b8ff52a19c941","abstract_canon_sha256":"d06fd646e6fe493b15e1de10b7f1e5a38d6cce68063931341d27f204d5b4712d"},"schema_version":"1.0"},"canonical_sha256":"8fc2a0b80c188abf528d46fbcb89989a08abdf97d2a1aa8b3665b95549f5546e","source":{"kind":"arxiv","id":"2502.02412","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.02412","created_at":"2026-07-05T10:09:28Z"},{"alias_kind":"arxiv_version","alias_value":"2502.02412v1","created_at":"2026-07-05T10:09:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.02412","created_at":"2026-07-05T10:09:28Z"},{"alias_kind":"pith_short_12","alias_value":"R7BKBOAMDCFL","created_at":"2026-07-05T10:09:28Z"},{"alias_kind":"pith_short_16","alias_value":"R7BKBOAMDCFL6UUN","created_at":"2026-07-05T10:09:28Z"},{"alias_kind":"pith_short_8","alias_value":"R7BKBOAM","created_at":"2026-07-05T10:09:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:R7BKBOAMDCFL6UUNI354XCMYTI","target":"record","payload":{"canonical_record":{"source":{"id":"2502.02412","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2025-02-04T15:32:34Z","cross_cats_sorted":[],"title_canon_sha256":"faae09d6cc55183224dc9ee31ea659eb65acd7785614ed61844b8ff52a19c941","abstract_canon_sha256":"d06fd646e6fe493b15e1de10b7f1e5a38d6cce68063931341d27f204d5b4712d"},"schema_version":"1.0"},"canonical_sha256":"8fc2a0b80c188abf528d46fbcb89989a08abdf97d2a1aa8b3665b95549f5546e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:09:28.418977Z","signature_b64":"ZOCmoI5XsLpHqYTlA5f6zXogamfPXi+xpYjKrXRiWdkJRqjFNHCnenXN2uB5/Rq+8vJ/YRIxRzWQ4G+/5ps+Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8fc2a0b80c188abf528d46fbcb89989a08abdf97d2a1aa8b3665b95549f5546e","last_reissued_at":"2026-07-05T10:09:28.418634Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:09:28.418634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.02412","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":"2026-07-05T10:09:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Blh+NnwReizgC46H/HygB1UfJBcFeOZysm/iwo6OPPx2U2gkgZFZMRtdemTS0AcB0kpjfw/eK3MZVto99eXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T03:57:56.636800Z"},"content_sha256":"1064a96e6cc5e043d4bc70f6739b57b1858dab900386e1893a4e1bb671078c1d","schema_version":"1.0","event_id":"sha256:1064a96e6cc5e043d4bc70f6739b57b1858dab900386e1893a4e1bb671078c1d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:R7BKBOAMDCFL6UUNI354XCMYTI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AI-Powered, But Power-Hungry? Energy Efficiency of LLM-Generated Code","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Fernando Castor, Lola Solovyeva, Sophie Weidmann","submitted_at":"2025-02-04T15:32:34Z","abstract_excerpt":"Large language models (LLMs) are used in software development to assist in various tasks, e.g., code generation and code completion, but empirical evaluations of the quality of the results produced by these models focus on correctness and ignore other relevant aspects, such as their performance and energy efficiency. Studying the performance of LLM-produced programs is essential to understand how well LLMs can support the construction of performance- and energy-critical software, such as operating systems, servers, and mobile applications. This paper presents the first study analyzing the ener"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.02412","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2502.02412/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":"2026-07-05T10:09:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xG7NQF05UwS2iWrv8TSDCrUwyyqHkIb+7rgT1ka1MIZSzFs+2gPVOBiS2w97XSdEiipRuFY9srkKEmBTsWvGBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T03:57:56.637305Z"},"content_sha256":"9fe072a87bd95fde5143f3b1ab85210b51b3bc4cb0627a9b244a2303d9ebeb6d","schema_version":"1.0","event_id":"sha256:9fe072a87bd95fde5143f3b1ab85210b51b3bc4cb0627a9b244a2303d9ebeb6d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R7BKBOAMDCFL6UUNI354XCMYTI/bundle.json","state_url":"https://pith.science/pith/R7BKBOAMDCFL6UUNI354XCMYTI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R7BKBOAMDCFL6UUNI354XCMYTI/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":"2026-08-10T03:57:56Z","links":{"resolver":"https://pith.science/pith/R7BKBOAMDCFL6UUNI354XCMYTI","bundle":"https://pith.science/pith/R7BKBOAMDCFL6UUNI354XCMYTI/bundle.json","state":"https://pith.science/pith/R7BKBOAMDCFL6UUNI354XCMYTI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R7BKBOAMDCFL6UUNI354XCMYTI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:R7BKBOAMDCFL6UUNI354XCMYTI","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":"d06fd646e6fe493b15e1de10b7f1e5a38d6cce68063931341d27f204d5b4712d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2025-02-04T15:32:34Z","title_canon_sha256":"faae09d6cc55183224dc9ee31ea659eb65acd7785614ed61844b8ff52a19c941"},"schema_version":"1.0","source":{"id":"2502.02412","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.02412","created_at":"2026-07-05T10:09:28Z"},{"alias_kind":"arxiv_version","alias_value":"2502.02412v1","created_at":"2026-07-05T10:09:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.02412","created_at":"2026-07-05T10:09:28Z"},{"alias_kind":"pith_short_12","alias_value":"R7BKBOAMDCFL","created_at":"2026-07-05T10:09:28Z"},{"alias_kind":"pith_short_16","alias_value":"R7BKBOAMDCFL6UUN","created_at":"2026-07-05T10:09:28Z"},{"alias_kind":"pith_short_8","alias_value":"R7BKBOAM","created_at":"2026-07-05T10:09:28Z"}],"graph_snapshots":[{"event_id":"sha256:9fe072a87bd95fde5143f3b1ab85210b51b3bc4cb0627a9b244a2303d9ebeb6d","target":"graph","created_at":"2026-07-05T10:09:28Z","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/2502.02412/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Large language models (LLMs) are used in software development to assist in various tasks, e.g., code generation and code completion, but empirical evaluations of the quality of the results produced by these models focus on correctness and ignore other relevant aspects, such as their performance and energy efficiency. Studying the performance of LLM-produced programs is essential to understand how well LLMs can support the construction of performance- and energy-critical software, such as operating systems, servers, and mobile applications. This paper presents the first study analyzing the ener","authors_text":"Fernando Castor, Lola Solovyeva, Sophie Weidmann","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2025-02-04T15:32:34Z","title":"AI-Powered, But Power-Hungry? Energy Efficiency of LLM-Generated Code"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.02412","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":"sha256:1064a96e6cc5e043d4bc70f6739b57b1858dab900386e1893a4e1bb671078c1d","target":"record","created_at":"2026-07-05T10:09:28Z","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":"d06fd646e6fe493b15e1de10b7f1e5a38d6cce68063931341d27f204d5b4712d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SE","submitted_at":"2025-02-04T15:32:34Z","title_canon_sha256":"faae09d6cc55183224dc9ee31ea659eb65acd7785614ed61844b8ff52a19c941"},"schema_version":"1.0","source":{"id":"2502.02412","kind":"arxiv","version":1}},"canonical_sha256":"8fc2a0b80c188abf528d46fbcb89989a08abdf97d2a1aa8b3665b95549f5546e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8fc2a0b80c188abf528d46fbcb89989a08abdf97d2a1aa8b3665b95549f5546e","first_computed_at":"2026-07-05T10:09:28.418634Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:09:28.418634Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZOCmoI5XsLpHqYTlA5f6zXogamfPXi+xpYjKrXRiWdkJRqjFNHCnenXN2uB5/Rq+8vJ/YRIxRzWQ4G+/5ps+Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:09:28.418977Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.02412","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1064a96e6cc5e043d4bc70f6739b57b1858dab900386e1893a4e1bb671078c1d","sha256:9fe072a87bd95fde5143f3b1ab85210b51b3bc4cb0627a9b244a2303d9ebeb6d"],"state_sha256":"9808ff7ab0888f78718d97bdbfe41ca15ae83d09ceff7fba48fad9c22ebd97e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2CyEWIubbL3XgK72h1od40VUG+ZjDogKXOOmjaJimM+5iRlb2HgSorL0D3OMPfCuh4o9O4+DO0OI7NwMZ5VCCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T03:57:56.642440Z","bundle_sha256":"26d71587fddefd32df538a95d6a5e6608abd7e6e9ba8f32fedf01af5bdffa99c"}}