{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:XES4W27SPULUSESQAMU6FVVJCR","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":"ad6a51ac57c6144d00fc37eccd9ef000c7d68305820735bca8f47c9be5294f38","cross_cats_sorted":["cs.PL"],"license":"","primary_cat":"cs.CE","submitted_at":"2005-09-28T12:24:42Z","title_canon_sha256":"c3efcd664cb85a76b6ab65b0d962f29a90ce77ecf8f9967d79831a26a05ea34e"},"schema_version":"1.0","source":{"id":"cs/0509089","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cs/0509089","created_at":"2026-05-18T00:57:45Z"},{"alias_kind":"arxiv_version","alias_value":"cs/0509089v1","created_at":"2026-05-18T00:57:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cs/0509089","created_at":"2026-05-18T00:57:45Z"},{"alias_kind":"pith_short_12","alias_value":"XES4W27SPULU","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"XES4W27SPULUSESQ","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"XES4W27S","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:0e67e1b29783558bddf475bd1cd481a1a646238bd43098cfa65cc0dab47ba23a","target":"graph","created_at":"2026-05-18T00:57:45Z","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"},"paper":{"abstract_excerpt":"The paper proposes a more formalized definition of UML 2.0 Activity Diagram semantics. A subset of activity diagram constructs relevant for business process modeling is considered. The semantics definition is based on the original token flow methodology, but a more constructive approach is used. The Activity Diagram Virtual machine is defined by means of a metamodel, with operations defined by a mix of pseudocode and OCL pre- and postconditions. A formal procedure is described which builds the virtual machine for any activity diagram. The relatively complicated original token movement rules in","authors_text":"Audris Kalnins, Valdis Vitolins","cross_cats":["cs.PL"],"headline":"","license":"","primary_cat":"cs.CE","submitted_at":"2005-09-28T12:24:42Z","title":"Semantics of UML 2.0 Activity Diagram for Business Modeling by Means of Virtual Machine"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cs/0509089","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":"sha256:617ee79d706eb4eef13e75c82e1c51f60bf9182a83e9ca28d4e7ef25e197e501","target":"record","created_at":"2026-05-18T00:57:45Z","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":"ad6a51ac57c6144d00fc37eccd9ef000c7d68305820735bca8f47c9be5294f38","cross_cats_sorted":["cs.PL"],"license":"","primary_cat":"cs.CE","submitted_at":"2005-09-28T12:24:42Z","title_canon_sha256":"c3efcd664cb85a76b6ab65b0d962f29a90ce77ecf8f9967d79831a26a05ea34e"},"schema_version":"1.0","source":{"id":"cs/0509089","kind":"arxiv","version":1}},"canonical_sha256":"b925cb6bf27d174912500329e2d6a91454a6836b6055a8ce066724539bbc2918","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b925cb6bf27d174912500329e2d6a91454a6836b6055a8ce066724539bbc2918","first_computed_at":"2026-05-18T00:57:45.092743Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:45.092743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B6doXVU06GCgOq8Oc360H4mnhxt8j8eIME9wsQ0hyCCDrGMOpN/jrVvvI/6qVyiRcKhX+sLAxvA1OylZLpiMBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:45.093481Z","signed_message":"canonical_sha256_bytes"},"source_id":"cs/0509089","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:617ee79d706eb4eef13e75c82e1c51f60bf9182a83e9ca28d4e7ef25e197e501","sha256:0e67e1b29783558bddf475bd1cd481a1a646238bd43098cfa65cc0dab47ba23a"],"state_sha256":"e449f0267e649387d299f26e4b696fa75509cfd6b36b85e561ecf367d211a926"}