{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:CGZ2VKR7JC2IN3LEK2TUZ4P4SM","short_pith_number":"pith:CGZ2VKR7","schema_version":"1.0","canonical_sha256":"11b3aaaa3f48b486ed6456a74cf1fc93286b11a77d096f23f4f017f9c6738707","source":{"kind":"arxiv","id":"2602.19231","version":1},"attestation_state":"computed","paper":{"title":"Semantic Conflict Model for Collaborative Data Structures","license":"http://creativecommons.org/licenses/by/4.0/","headline":"A semantic conflict model resolves operation conflicts locally by identifying dependencies and rebasing via three-way merge on a replicated journal.","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Georgii Semenov, Vitaly Aksenov","submitted_at":"2026-02-22T15:22:43Z","abstract_excerpt":"Digital collaboration systems support asynchronous work over replicated data, where conflicts arise when concurrent operations cannot be unambiguously integrated into a shared history. While Conflict-Free Replicated Data Types (CRDTs) ensure convergence through built-in conflict resolution, this resolution is typically implicit and opaque to users, whereas existing reconciliation techniques often rely on centralized coordination. This paper introduces a conflict model for collaborative data structures that enables explicit, local-first conflict resolution without central coordination. The mode"},"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":true,"formal_links_present":true},"canonical_record":{"source":{"id":"2602.19231","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2026-02-22T15:22:43Z","cross_cats_sorted":[],"title_canon_sha256":"04eb46b32052b9ddc0d457cf5f40f5fed8e3eead8e6e6d5b8f73997f7b7077c9","abstract_canon_sha256":"f1eb1ba484ada6f229aca99e80e4de0c0d5fb5dc9ec5732f5247dac9928fb8c5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:10:03.532371Z","signature_b64":"JFyZNjiRf7VR4nw21xN99u45mpDh6BijM0XV5wPQ1A1iWuDkqKiKtCx8h5tHhWU3ktBh3EKGniyFs3TmAMrTCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11b3aaaa3f48b486ed6456a74cf1fc93286b11a77d096f23f4f017f9c6738707","last_reissued_at":"2026-05-18T03:10:03.531576Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:10:03.531576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Semantic Conflict Model for Collaborative Data Structures","license":"http://creativecommons.org/licenses/by/4.0/","headline":"A semantic conflict model resolves operation conflicts locally by identifying dependencies and rebasing via three-way merge on a replicated journal.","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Georgii Semenov, Vitaly Aksenov","submitted_at":"2026-02-22T15:22:43Z","abstract_excerpt":"Digital collaboration systems support asynchronous work over replicated data, where conflicts arise when concurrent operations cannot be unambiguously integrated into a shared history. While Conflict-Free Replicated Data Types (CRDTs) ensure convergence through built-in conflict resolution, this resolution is typically implicit and opaque to users, whereas existing reconciliation techniques often rely on centralized coordination. This paper introduces a conflict model for collaborative data structures that enables explicit, local-first conflict resolution without central coordination. The mode"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"The model identifies conflicts using semantic dependencies between operations and resolves them by rebasing conflicting operations onto a reconciling operation via a three-way merge over a replicated journal.","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"Semantic dependencies between operations can be identified locally and used to drive conflict resolution without requiring central coordination or additional mechanisms.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"A semantic conflict model enables explicit local-first resolution in collaborative data structures by using operation dependencies and three-way merges on a replicated journal, demonstrated on registers including Last-Writer-Wins.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"A semantic conflict model resolves operation conflicts locally by identifying dependencies and rebasing via three-way merge on a replicated journal.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"fde88da9b9f4d9fa8353e0d39fea0532ee7504e71203a6f3b28ba9f0a837c8f6"},"source":{"id":"2602.19231","kind":"arxiv","version":1},"verdict":{"id":"41d17ba6-4895-4bfd-a2ea-0c386a6a1afd","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-15T20:49:01.210249Z","strongest_claim":"The model identifies conflicts using semantic dependencies between operations and resolves them by rebasing conflicting operations onto a reconciling operation via a three-way merge over a replicated journal.","one_line_summary":"A semantic conflict model enables explicit local-first resolution in collaborative data structures by using operation dependencies and three-way merges on a replicated journal, demonstrated on registers including Last-Writer-Wins.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"Semantic dependencies between operations can be identified locally and used to drive conflict resolution without requiring central coordination or additional mechanisms.","pith_extraction_headline":"A semantic conflict model resolves operation conflicts locally by identifying dependencies and rebasing via three-way merge on a replicated journal."},"references":{"count":23,"sample":[{"doi":"10.1145/97444.97701","year":1990,"title":"J. Aspnes and M. Herlihy. 1990. Wait-free data structures in the asyn- chronous PRAM model. InProceedings of the Second Annual ACM Symposium on Parallel Algorithms and Architectures(Island of Crete, G","work_id":"367e91ad-fef4-42fe-a0b5-9de1f8eac258","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2008,"title":"Alexandru Baltag and Sonja Smets. 2008. A qualitative theory of dynamic interactive belief revision.Logic and the foundations of game and decision theory (LOFT 7)3 (2008), 9–58","work_id":"47266fcb-037f-4997-bf72-2859285b7764","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2017,"title":"Carlos Baquero, Paulo Sérgio Almeida, Alcino Cunha, Carla Ferreira, et al. 2017. Composition in state-based replicated data types.Bulletin of EATCS3, 123 (2017)","work_id":"b11965de-205a-45e1-9254-bf39542a1355","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1145/66926","year":1989,"title":"C. A. Ellis and S. J. Gibbs. 1989. Concurrency control in groupware systems.SIGMOD Rec.18, 2 (June 1989), 399–407. doi:10.1145/66926. 66963","work_id":"eb587eb4-bde0-4438-b493-b3a62567772f","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"10.1145/3360580","year":2019,"title":"Gowtham Kaki, Swarn Priya, KC Sivaramakrishnan, and Suresh Jagan- nathan. 2019. Mergeable replicated data types.Proc. ACM Program. Lang.3, OOPSLA, Article 154 (Oct. 2019), 29 pages. doi:10.1145/336058","work_id":"a7eb9723-e3ac-4d88-962b-ed9b7586b99e","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":23,"snapshot_sha256":"f9c246f4b5df80db40e39790e7d1dacff0b2d7c7547c5258541119414cd02b3e","internal_anchors":0},"formal_canon":{"evidence_count":1,"snapshot_sha256":"7e0703e5f82326ac15414955243d7213547c5f9f94f044dfaff0c555d24f32c0"},"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":"2602.19231","created_at":"2026-05-18T03:10:03.531680+00:00"},{"alias_kind":"arxiv_version","alias_value":"2602.19231v1","created_at":"2026-05-18T03:10:03.531680+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.19231","created_at":"2026-05-18T03:10:03.531680+00:00"},{"alias_kind":"pith_short_12","alias_value":"CGZ2VKR7JC2I","created_at":"2026-05-18T12:33:37.589309+00:00"},{"alias_kind":"pith_short_16","alias_value":"CGZ2VKR7JC2IN3LE","created_at":"2026-05-18T12:33:37.589309+00:00"},{"alias_kind":"pith_short_8","alias_value":"CGZ2VKR7","created_at":"2026-05-18T12:33:37.589309+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":1,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CGZ2VKR7JC2IN3LEK2TUZ4P4SM","json":"https://pith.science/pith/CGZ2VKR7JC2IN3LEK2TUZ4P4SM.json","graph_json":"https://pith.science/api/pith-number/CGZ2VKR7JC2IN3LEK2TUZ4P4SM/graph.json","events_json":"https://pith.science/api/pith-number/CGZ2VKR7JC2IN3LEK2TUZ4P4SM/events.json","paper":"https://pith.science/paper/CGZ2VKR7"},"agent_actions":{"view_html":"https://pith.science/pith/CGZ2VKR7JC2IN3LEK2TUZ4P4SM","download_json":"https://pith.science/pith/CGZ2VKR7JC2IN3LEK2TUZ4P4SM.json","view_paper":"https://pith.science/paper/CGZ2VKR7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2602.19231&json=true","fetch_graph":"https://pith.science/api/pith-number/CGZ2VKR7JC2IN3LEK2TUZ4P4SM/graph.json","fetch_events":"https://pith.science/api/pith-number/CGZ2VKR7JC2IN3LEK2TUZ4P4SM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CGZ2VKR7JC2IN3LEK2TUZ4P4SM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CGZ2VKR7JC2IN3LEK2TUZ4P4SM/action/storage_attestation","attest_author":"https://pith.science/pith/CGZ2VKR7JC2IN3LEK2TUZ4P4SM/action/author_attestation","sign_citation":"https://pith.science/pith/CGZ2VKR7JC2IN3LEK2TUZ4P4SM/action/citation_signature","submit_replication":"https://pith.science/pith/CGZ2VKR7JC2IN3LEK2TUZ4P4SM/action/replication_record"}},"created_at":"2026-05-18T03:10:03.531680+00:00","updated_at":"2026-05-18T03:10:03.531680+00:00"}