{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:55XHMS3EVQZGGVNHDXY3JXDEUZ","short_pith_number":"pith:55XHMS3E","schema_version":"1.0","canonical_sha256":"ef6e764b64ac326355a71df1b4dc64a64afcd511429862663ba2ceb763f0e763","source":{"kind":"arxiv","id":"2512.09762","version":2},"attestation_state":"computed","paper":{"title":"Baseline: Operation-Based Evolution and Versioning of Data","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Jonathan Edwards, Tomas Petricek","submitted_at":"2025-12-10T15:45:17Z","abstract_excerpt":"Baseline is a platform for richly structured data supporting change in multiple dimensions: mutation over time, collaboration across space, and evolution through design changes. It is built upon \\textit{Operational Differencing}, a new technique for managing data in terms of high-level operations that include refactorings and schema changes. We use operational differencing to construct an operation-based form of version control on data structures used in programming languages and relational databases.\n  This approach to data version control offers high-fidelity diffing and merging despite inte"},"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":"2512.09762","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DB","submitted_at":"2025-12-10T15:45:17Z","cross_cats_sorted":[],"title_canon_sha256":"55d6b1f841ef42cd7caae75791c331e4a08b817accba728d4a087ae0e87af2ae","abstract_canon_sha256":"9c9fb2726afe9b1f0a4e108bc9063a0301c668ed626458e0698ba54fbac4bcf2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:11:18.281004Z","signature_b64":"2gT0JBtJ+7zSPPC/Upvn2LYLvYDOKdG4y9/B5MqAaZhM/lcGlQDYfeFVPCiXZnCsTM5XlSL+ffgBjih6QePjBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef6e764b64ac326355a71df1b4dc64a64afcd511429862663ba2ceb763f0e763","last_reissued_at":"2026-06-19T16:11:18.280524Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:11:18.280524Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Baseline: Operation-Based Evolution and Versioning of Data","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Jonathan Edwards, Tomas Petricek","submitted_at":"2025-12-10T15:45:17Z","abstract_excerpt":"Baseline is a platform for richly structured data supporting change in multiple dimensions: mutation over time, collaboration across space, and evolution through design changes. It is built upon \\textit{Operational Differencing}, a new technique for managing data in terms of high-level operations that include refactorings and schema changes. We use operational differencing to construct an operation-based form of version control on data structures used in programming languages and relational databases.\n  This approach to data version control offers high-fidelity diffing and merging despite inte"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.09762","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/2512.09762/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":"2512.09762","created_at":"2026-06-19T16:11:18.280588+00:00"},{"alias_kind":"arxiv_version","alias_value":"2512.09762v2","created_at":"2026-06-19T16:11:18.280588+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.09762","created_at":"2026-06-19T16:11:18.280588+00:00"},{"alias_kind":"pith_short_12","alias_value":"55XHMS3EVQZG","created_at":"2026-06-19T16:11:18.280588+00:00"},{"alias_kind":"pith_short_16","alias_value":"55XHMS3EVQZGGVNH","created_at":"2026-06-19T16:11:18.280588+00:00"},{"alias_kind":"pith_short_8","alias_value":"55XHMS3E","created_at":"2026-06-19T16:11:18.280588+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/55XHMS3EVQZGGVNHDXY3JXDEUZ","json":"https://pith.science/pith/55XHMS3EVQZGGVNHDXY3JXDEUZ.json","graph_json":"https://pith.science/api/pith-number/55XHMS3EVQZGGVNHDXY3JXDEUZ/graph.json","events_json":"https://pith.science/api/pith-number/55XHMS3EVQZGGVNHDXY3JXDEUZ/events.json","paper":"https://pith.science/paper/55XHMS3E"},"agent_actions":{"view_html":"https://pith.science/pith/55XHMS3EVQZGGVNHDXY3JXDEUZ","download_json":"https://pith.science/pith/55XHMS3EVQZGGVNHDXY3JXDEUZ.json","view_paper":"https://pith.science/paper/55XHMS3E","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2512.09762&json=true","fetch_graph":"https://pith.science/api/pith-number/55XHMS3EVQZGGVNHDXY3JXDEUZ/graph.json","fetch_events":"https://pith.science/api/pith-number/55XHMS3EVQZGGVNHDXY3JXDEUZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/55XHMS3EVQZGGVNHDXY3JXDEUZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/55XHMS3EVQZGGVNHDXY3JXDEUZ/action/storage_attestation","attest_author":"https://pith.science/pith/55XHMS3EVQZGGVNHDXY3JXDEUZ/action/author_attestation","sign_citation":"https://pith.science/pith/55XHMS3EVQZGGVNHDXY3JXDEUZ/action/citation_signature","submit_replication":"https://pith.science/pith/55XHMS3EVQZGGVNHDXY3JXDEUZ/action/replication_record"}},"created_at":"2026-06-19T16:11:18.280588+00:00","updated_at":"2026-06-19T16:11:18.280588+00:00"}