{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:YIFNGLZYWKMCYGYGO5HIM4IVFO","short_pith_number":"pith:YIFNGLZY","schema_version":"1.0","canonical_sha256":"c20ad32f38b2982c1b06774e8671152baa083e4b42161e356beba22658636b30","source":{"kind":"arxiv","id":"2605.24096","version":1},"attestation_state":"computed","paper":{"title":"The Time is Here for Just-in-Time Systems: Challenges and Opportunities","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","cs.DC","cs.SE"],"primary_cat":"cs.DB","authors_text":"Aditya Parameswaran, Alexander Krentsel, Alexandros G. Dimakis, Ion Stoica, Matei Zaharia, Mert Cemri, Shubham Agarwal, Shu Liu, Soujanya Ponnapalli, Sylvia Ratnasamy, Ziming Mao","submitted_at":"2026-05-22T18:03:41Z","abstract_excerpt":"Core systems like key-value stores have historically taken years to build, and are designed to be general so as to amortize cost across deployments, paying a significant performance cost. We argue that LLM-based coding agents now make a different approach tractable: Just-in-Time Systems, in which the entire system is synthesized from scratch, specialized to the environment, workload, and required system properties. We present a JIT system synthesis pipeline, Jitskit, and explore its effectiveness in synthesizing key-value stores from spec cards that span different YCSB workloads, deployment co"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2605.24096","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DB","submitted_at":"2026-05-22T18:03:41Z","cross_cats_sorted":["cs.AI","cs.DC","cs.SE"],"title_canon_sha256":"57b41b0ade0b2b72da5b98babf697c6b60ab43d6434ffd4a4e12befb65f1cf4f","abstract_canon_sha256":"b32f31e334b51009a225344af0683409557f14244d51818dd575c1d97e9b6a31"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T01:02:45.698126Z","signature_b64":"LVMEDqE91IHQ9U6vI80VFqUSCnM0z3E0U25A+Jo63OI5loM5JhZfvMJiD4IbJ/Lc7FZIbgjC2Wjcs5R5qODGDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c20ad32f38b2982c1b06774e8671152baa083e4b42161e356beba22658636b30","last_reissued_at":"2026-05-26T01:02:45.697280Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T01:02:45.697280Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Time is Here for Just-in-Time Systems: Challenges and Opportunities","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","cs.DC","cs.SE"],"primary_cat":"cs.DB","authors_text":"Aditya Parameswaran, Alexander Krentsel, Alexandros G. Dimakis, Ion Stoica, Matei Zaharia, Mert Cemri, Shubham Agarwal, Shu Liu, Soujanya Ponnapalli, Sylvia Ratnasamy, Ziming Mao","submitted_at":"2026-05-22T18:03:41Z","abstract_excerpt":"Core systems like key-value stores have historically taken years to build, and are designed to be general so as to amortize cost across deployments, paying a significant performance cost. We argue that LLM-based coding agents now make a different approach tractable: Just-in-Time Systems, in which the entire system is synthesized from scratch, specialized to the environment, workload, and required system properties. We present a JIT system synthesis pipeline, Jitskit, and explore its effectiveness in synthesizing key-value stores from spec cards that span different YCSB workloads, deployment co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.24096","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/2605.24096/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2605.24096","created_at":"2026-05-26T01:02:45.697433+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.24096v1","created_at":"2026-05-26T01:02:45.697433+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.24096","created_at":"2026-05-26T01:02:45.697433+00:00"},{"alias_kind":"pith_short_12","alias_value":"YIFNGLZYWKMC","created_at":"2026-05-26T01:02:45.697433+00:00"},{"alias_kind":"pith_short_16","alias_value":"YIFNGLZYWKMCYGYG","created_at":"2026-05-26T01:02:45.697433+00:00"},{"alias_kind":"pith_short_8","alias_value":"YIFNGLZY","created_at":"2026-05-26T01:02:45.697433+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YIFNGLZYWKMCYGYGO5HIM4IVFO","json":"https://pith.science/pith/YIFNGLZYWKMCYGYGO5HIM4IVFO.json","graph_json":"https://pith.science/api/pith-number/YIFNGLZYWKMCYGYGO5HIM4IVFO/graph.json","events_json":"https://pith.science/api/pith-number/YIFNGLZYWKMCYGYGO5HIM4IVFO/events.json","paper":"https://pith.science/paper/YIFNGLZY"},"agent_actions":{"view_html":"https://pith.science/pith/YIFNGLZYWKMCYGYGO5HIM4IVFO","download_json":"https://pith.science/pith/YIFNGLZYWKMCYGYGO5HIM4IVFO.json","view_paper":"https://pith.science/paper/YIFNGLZY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.24096&json=true","fetch_graph":"https://pith.science/api/pith-number/YIFNGLZYWKMCYGYGO5HIM4IVFO/graph.json","fetch_events":"https://pith.science/api/pith-number/YIFNGLZYWKMCYGYGO5HIM4IVFO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YIFNGLZYWKMCYGYGO5HIM4IVFO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YIFNGLZYWKMCYGYGO5HIM4IVFO/action/storage_attestation","attest_author":"https://pith.science/pith/YIFNGLZYWKMCYGYGO5HIM4IVFO/action/author_attestation","sign_citation":"https://pith.science/pith/YIFNGLZYWKMCYGYGO5HIM4IVFO/action/citation_signature","submit_replication":"https://pith.science/pith/YIFNGLZYWKMCYGYGO5HIM4IVFO/action/replication_record"}},"created_at":"2026-05-26T01:02:45.697433+00:00","updated_at":"2026-05-26T01:02:45.697433+00:00"}