{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:DPTQY2GHN5CQE7XCE3MW5CQ2VY","short_pith_number":"pith:DPTQY2GH","canonical_record":{"source":{"id":"1409.7236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2014-09-25T12:44:59Z","cross_cats_sorted":[],"title_canon_sha256":"7760c35268a68673af468cd764e44ee1b4157229bbb245ac6a72f5f1ba4b4642","abstract_canon_sha256":"ecfb4cf6dc1239ef0fdb752c998b2b2a17bf2e1ec650dad62c6a9e6e061e6092"},"schema_version":"1.0"},"canonical_sha256":"1be70c68c76f45027ee226d96e8a1aae0af352838db851b13c927473178aad71","source":{"kind":"arxiv","id":"1409.7236","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.7236","created_at":"2026-05-18T02:41:58Z"},{"alias_kind":"arxiv_version","alias_value":"1409.7236v1","created_at":"2026-05-18T02:41:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.7236","created_at":"2026-05-18T02:41:58Z"},{"alias_kind":"pith_short_12","alias_value":"DPTQY2GHN5CQ","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DPTQY2GHN5CQE7XC","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DPTQY2GH","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:DPTQY2GHN5CQE7XCE3MW5CQ2VY","target":"record","payload":{"canonical_record":{"source":{"id":"1409.7236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2014-09-25T12:44:59Z","cross_cats_sorted":[],"title_canon_sha256":"7760c35268a68673af468cd764e44ee1b4157229bbb245ac6a72f5f1ba4b4642","abstract_canon_sha256":"ecfb4cf6dc1239ef0fdb752c998b2b2a17bf2e1ec650dad62c6a9e6e061e6092"},"schema_version":"1.0"},"canonical_sha256":"1be70c68c76f45027ee226d96e8a1aae0af352838db851b13c927473178aad71","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:58.862653Z","signature_b64":"N4gsK5VadTUpVCHiy/NttvGry+Ojd6vVec+x0IZyFNyTfldwxImCFiWs2xJtWwMwyBp8Ua5rblwLMjPRWZINBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1be70c68c76f45027ee226d96e8a1aae0af352838db851b13c927473178aad71","last_reissued_at":"2026-05-18T02:41:58.862233Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:58.862233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.7236","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:41:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pydCpnXiFR6i7JMnZkdRLA/rM+lDChr0dg+KfWRmBh3LDZ5pIuAxSmKHcZHqgs6CxjuTRQb04yYg0i0ku7eNCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:42:24.277807Z"},"content_sha256":"0a3f1897e4f519b38a14469489f208814beed6fbb98073fe55cfa57a7790627f","schema_version":"1.0","event_id":"sha256:0a3f1897e4f519b38a14469489f208814beed6fbb98073fe55cfa57a7790627f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:DPTQY2GHN5CQE7XCE3MW5CQ2VY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A stream-based mathematical model for distributed information processing systems - SysLab system model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Bernhard Rumpe, Cornel Klein, Manfred Broy","submitted_at":"2014-09-25T12:44:59Z","abstract_excerpt":"In the SysLab project we develop a software engineering method based on a mathematical foundation. The SysLab system model serves as an abstract mathematical model for information systems and their components. It is used to formalize the semantics of all used description techniques such as object diagrams state automata sequence charts or data-flow diagrams. Based on the requirements for such a reference model, we define the system model including its different views and their relationships."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.7236","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":""},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:41:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ev+3vpH+GYCMAR6EG7zMor5SQCN6V0Z6VdBaLjBxe/5l1rdV2/+p3CIJ7Gbouyjrdp56mDI50vBEbdFXWnDhCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T19:42:24.278220Z"},"content_sha256":"7715868aecdb4952b3cfefbdff572b9b5c062a83cc7abbd56dc8e3f99aaca3e7","schema_version":"1.0","event_id":"sha256:7715868aecdb4952b3cfefbdff572b9b5c062a83cc7abbd56dc8e3f99aaca3e7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DPTQY2GHN5CQE7XCE3MW5CQ2VY/bundle.json","state_url":"https://pith.science/pith/DPTQY2GHN5CQE7XCE3MW5CQ2VY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DPTQY2GHN5CQE7XCE3MW5CQ2VY/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-08T19:42:24Z","links":{"resolver":"https://pith.science/pith/DPTQY2GHN5CQE7XCE3MW5CQ2VY","bundle":"https://pith.science/pith/DPTQY2GHN5CQE7XCE3MW5CQ2VY/bundle.json","state":"https://pith.science/pith/DPTQY2GHN5CQE7XCE3MW5CQ2VY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DPTQY2GHN5CQE7XCE3MW5CQ2VY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:DPTQY2GHN5CQE7XCE3MW5CQ2VY","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":"ecfb4cf6dc1239ef0fdb752c998b2b2a17bf2e1ec650dad62c6a9e6e061e6092","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2014-09-25T12:44:59Z","title_canon_sha256":"7760c35268a68673af468cd764e44ee1b4157229bbb245ac6a72f5f1ba4b4642"},"schema_version":"1.0","source":{"id":"1409.7236","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.7236","created_at":"2026-05-18T02:41:58Z"},{"alias_kind":"arxiv_version","alias_value":"1409.7236v1","created_at":"2026-05-18T02:41:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.7236","created_at":"2026-05-18T02:41:58Z"},{"alias_kind":"pith_short_12","alias_value":"DPTQY2GHN5CQ","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"DPTQY2GHN5CQE7XC","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"DPTQY2GH","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:7715868aecdb4952b3cfefbdff572b9b5c062a83cc7abbd56dc8e3f99aaca3e7","target":"graph","created_at":"2026-05-18T02:41:58Z","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":"In the SysLab project we develop a software engineering method based on a mathematical foundation. The SysLab system model serves as an abstract mathematical model for information systems and their components. It is used to formalize the semantics of all used description techniques such as object diagrams state automata sequence charts or data-flow diagrams. Based on the requirements for such a reference model, we define the system model including its different views and their relationships.","authors_text":"Bernhard Rumpe, Cornel Klein, Manfred Broy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2014-09-25T12:44:59Z","title":"A stream-based mathematical model for distributed information processing systems - SysLab system model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.7236","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":"sha256:0a3f1897e4f519b38a14469489f208814beed6fbb98073fe55cfa57a7790627f","target":"record","created_at":"2026-05-18T02:41:58Z","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":"ecfb4cf6dc1239ef0fdb752c998b2b2a17bf2e1ec650dad62c6a9e6e061e6092","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2014-09-25T12:44:59Z","title_canon_sha256":"7760c35268a68673af468cd764e44ee1b4157229bbb245ac6a72f5f1ba4b4642"},"schema_version":"1.0","source":{"id":"1409.7236","kind":"arxiv","version":1}},"canonical_sha256":"1be70c68c76f45027ee226d96e8a1aae0af352838db851b13c927473178aad71","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1be70c68c76f45027ee226d96e8a1aae0af352838db851b13c927473178aad71","first_computed_at":"2026-05-18T02:41:58.862233Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:41:58.862233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N4gsK5VadTUpVCHiy/NttvGry+Ojd6vVec+x0IZyFNyTfldwxImCFiWs2xJtWwMwyBp8Ua5rblwLMjPRWZINBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:41:58.862653Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.7236","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a3f1897e4f519b38a14469489f208814beed6fbb98073fe55cfa57a7790627f","sha256:7715868aecdb4952b3cfefbdff572b9b5c062a83cc7abbd56dc8e3f99aaca3e7"],"state_sha256":"e6a4e9a3f48a9018503f742799a9fe6426225585f6f389cc32397df0b69c70b6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3zc6huUT76ndHzdg5rUmAnytd65bleIAkPj4FDtOm46Cd6NdCi31pvdI/khrHr8c8/vMbOqrHS7rIDSiJcLqAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T19:42:24.280690Z","bundle_sha256":"a27e804327cf3d055b0a990e0770a38e5d24a6ed91b2c680eb0007e292cf08f0"}}