{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:FEAL5JMDKX5VJR5ABJZPWMMHJD","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":"6eb8bafecd4795830535b4b8bff392e67aa22e25f49ad269f1db94c846d0ac12","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2020-04-08T23:57:54Z","title_canon_sha256":"d7a991124984f17eac5bf3d1f9e8b56794149648852791eb20588599ba8ed9d8"},"schema_version":"1.0","source":{"id":"2004.04303","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.04303","created_at":"2026-07-05T00:54:06Z"},{"alias_kind":"arxiv_version","alias_value":"2004.04303v1","created_at":"2026-07-05T00:54:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.04303","created_at":"2026-07-05T00:54:06Z"},{"alias_kind":"pith_short_12","alias_value":"FEAL5JMDKX5V","created_at":"2026-07-05T00:54:06Z"},{"alias_kind":"pith_short_16","alias_value":"FEAL5JMDKX5VJR5A","created_at":"2026-07-05T00:54:06Z"},{"alias_kind":"pith_short_8","alias_value":"FEAL5JMD","created_at":"2026-07-05T00:54:06Z"}],"graph_snapshots":[{"event_id":"sha256:287193d499dfd6bf7e8a8f7cfc87459c1e5c90c93560808ee5f08a4efefabe9c","target":"graph","created_at":"2026-07-05T00:54:06Z","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/2004.04303/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Operation-based Conflict-free Replicated Data Types (CRDTs) are eventually consistent replicated data types that automatically resolve conflicts between concurrent operations. Op-based CRDTs must be designed differently for each data type, and current designs use ad-hoc techniques to handle concurrent operations that do not naturally commute. We present a new construction, the semidirect product of op-based CRDTs, which combines the operations of two CRDTs into one while handling conflicts between their concurrent operations in a uniform way. We demonstrate the construction's utility by using ","authors_text":"Christopher Meiklejohn, Heather Miller, Matthew Weidner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2020-04-08T23:57:54Z","title":"Composing and Decomposing Op-Based CRDTs with Semidirect Products"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.04303","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:ce72125fc1a44ab6d025d06c8763d0fc3a81f9738c46582c709709268b5533cb","target":"record","created_at":"2026-07-05T00:54:06Z","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":"6eb8bafecd4795830535b4b8bff392e67aa22e25f49ad269f1db94c846d0ac12","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2020-04-08T23:57:54Z","title_canon_sha256":"d7a991124984f17eac5bf3d1f9e8b56794149648852791eb20588599ba8ed9d8"},"schema_version":"1.0","source":{"id":"2004.04303","kind":"arxiv","version":1}},"canonical_sha256":"2900bea58355fb54c7a00a72fb318748d49ec394782e111a9cd88829008b7a83","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2900bea58355fb54c7a00a72fb318748d49ec394782e111a9cd88829008b7a83","first_computed_at":"2026-07-05T00:54:06.848011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:54:06.848011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hfTB+VTo1/ee6McXJW1SDbiS2MZKobbsPQwUWaIC06bmwyzEd7lsiDrneWgOG4WIo9tZZZDzCWSW8r+KDFhiCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:54:06.848426Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.04303","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce72125fc1a44ab6d025d06c8763d0fc3a81f9738c46582c709709268b5533cb","sha256:287193d499dfd6bf7e8a8f7cfc87459c1e5c90c93560808ee5f08a4efefabe9c"],"state_sha256":"2599841d104db120a7650831949e2cbd8b176125fffa0ca8eaa6bc673b46c17e"}