{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:NAY26VTFSRATL7JUV4ZVBHFEZE","short_pith_number":"pith:NAY26VTF","canonical_record":{"source":{"id":"1705.04728","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2017-05-12T19:26:14Z","cross_cats_sorted":[],"title_canon_sha256":"e6b0bbb5e7c7e9e973a85c75b167fda0813521362645ea45d57f4c345c865fbc","abstract_canon_sha256":"135a955f43be0ac0e0916fcbd4b1f21c8b61eacc726d5143a96249fd93f5723a"},"schema_version":"1.0"},"canonical_sha256":"6831af5665944135fd34af33509ca4c92e172b74b8aa4455ae54eb5c2b50b7c2","source":{"kind":"arxiv","id":"1705.04728","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.04728","created_at":"2026-05-18T00:44:34Z"},{"alias_kind":"arxiv_version","alias_value":"1705.04728v1","created_at":"2026-05-18T00:44:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.04728","created_at":"2026-05-18T00:44:34Z"},{"alias_kind":"pith_short_12","alias_value":"NAY26VTFSRAT","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"NAY26VTFSRATL7JU","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"NAY26VTF","created_at":"2026-05-18T12:31:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:NAY26VTFSRATL7JUV4ZVBHFEZE","target":"record","payload":{"canonical_record":{"source":{"id":"1705.04728","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2017-05-12T19:26:14Z","cross_cats_sorted":[],"title_canon_sha256":"e6b0bbb5e7c7e9e973a85c75b167fda0813521362645ea45d57f4c345c865fbc","abstract_canon_sha256":"135a955f43be0ac0e0916fcbd4b1f21c8b61eacc726d5143a96249fd93f5723a"},"schema_version":"1.0"},"canonical_sha256":"6831af5665944135fd34af33509ca4c92e172b74b8aa4455ae54eb5c2b50b7c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:44:34.816443Z","signature_b64":"07HeubAat+HT9dVBDww/c5Q1T53lZ+z5z9XcrJfWP/3m4cfQDuWhpgjKk3YBHe/AM5D47VIlkgULI1cA9mS7Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6831af5665944135fd34af33509ca4c92e172b74b8aa4455ae54eb5c2b50b7c2","last_reissued_at":"2026-05-18T00:44:34.815798Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:44:34.815798Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.04728","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":"2026-05-18T00:44:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zFTH4c59DBB2JNzjCBxG3mIj3+9sP9TlxE7JTKcrZRhXOnTdJXilFkEDVLvxG5L8FY+DKKeRQ40iWpA/nL67DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:52:44.507417Z"},"content_sha256":"c1c3dd1846010797a31c4c16bb2cf398b60cb32b0bc63949fb274bbbdb53c28d","schema_version":"1.0","event_id":"sha256:c1c3dd1846010797a31c4c16bb2cf398b60cb32b0bc63949fb274bbbdb53c28d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:NAY26VTFSRATL7JUV4ZVBHFEZE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Model Checking in The COSMA Environment as a Support for The Design of Pipelined Processing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Bogdan Czejdo, Jerzy Mie\\'scicki, Wiktor B. Daszczuk","submitted_at":"2017-05-12T19:26:14Z","abstract_excerpt":"The case study analyzed in the report involves the behavioral specification and verification of a three-stage pipeline consisting of mutually concurrent modules which also compete for a shared resource. The system components are specified in terms of Concurrent State Machines (CSM) and the verification technique used is the temporal model checking in the COSMA environment."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.04728","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":"2026-05-18T00:44:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oQdOhDj5PvMcJke27yZPuyZ+XX8LV0YYhOwMBqUYoVYag6EhBd4nsXCyncvG3ffWmnUy6ngUTlT9ajbHc7Q/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:52:44.507774Z"},"content_sha256":"8ce44393ab73469cf8162e9683c86a19a71e8282694715a17f02b924c67c9dc7","schema_version":"1.0","event_id":"sha256:8ce44393ab73469cf8162e9683c86a19a71e8282694715a17f02b924c67c9dc7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NAY26VTFSRATL7JUV4ZVBHFEZE/bundle.json","state_url":"https://pith.science/pith/NAY26VTFSRATL7JUV4ZVBHFEZE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NAY26VTFSRATL7JUV4ZVBHFEZE/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":"2026-06-02T06:52:44Z","links":{"resolver":"https://pith.science/pith/NAY26VTFSRATL7JUV4ZVBHFEZE","bundle":"https://pith.science/pith/NAY26VTFSRATL7JUV4ZVBHFEZE/bundle.json","state":"https://pith.science/pith/NAY26VTFSRATL7JUV4ZVBHFEZE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NAY26VTFSRATL7JUV4ZVBHFEZE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NAY26VTFSRATL7JUV4ZVBHFEZE","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":"135a955f43be0ac0e0916fcbd4b1f21c8b61eacc726d5143a96249fd93f5723a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2017-05-12T19:26:14Z","title_canon_sha256":"e6b0bbb5e7c7e9e973a85c75b167fda0813521362645ea45d57f4c345c865fbc"},"schema_version":"1.0","source":{"id":"1705.04728","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.04728","created_at":"2026-05-18T00:44:34Z"},{"alias_kind":"arxiv_version","alias_value":"1705.04728v1","created_at":"2026-05-18T00:44:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.04728","created_at":"2026-05-18T00:44:34Z"},{"alias_kind":"pith_short_12","alias_value":"NAY26VTFSRAT","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"NAY26VTFSRATL7JU","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"NAY26VTF","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:8ce44393ab73469cf8162e9683c86a19a71e8282694715a17f02b924c67c9dc7","target":"graph","created_at":"2026-05-18T00:44:34Z","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 case study analyzed in the report involves the behavioral specification and verification of a three-stage pipeline consisting of mutually concurrent modules which also compete for a shared resource. The system components are specified in terms of Concurrent State Machines (CSM) and the verification technique used is the temporal model checking in the COSMA environment.","authors_text":"Bogdan Czejdo, Jerzy Mie\\'scicki, Wiktor B. Daszczuk","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2017-05-12T19:26:14Z","title":"Model Checking in The COSMA Environment as a Support for The Design of Pipelined Processing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.04728","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:c1c3dd1846010797a31c4c16bb2cf398b60cb32b0bc63949fb274bbbdb53c28d","target":"record","created_at":"2026-05-18T00:44:34Z","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":"135a955f43be0ac0e0916fcbd4b1f21c8b61eacc726d5143a96249fd93f5723a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2017-05-12T19:26:14Z","title_canon_sha256":"e6b0bbb5e7c7e9e973a85c75b167fda0813521362645ea45d57f4c345c865fbc"},"schema_version":"1.0","source":{"id":"1705.04728","kind":"arxiv","version":1}},"canonical_sha256":"6831af5665944135fd34af33509ca4c92e172b74b8aa4455ae54eb5c2b50b7c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6831af5665944135fd34af33509ca4c92e172b74b8aa4455ae54eb5c2b50b7c2","first_computed_at":"2026-05-18T00:44:34.815798Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:44:34.815798Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"07HeubAat+HT9dVBDww/c5Q1T53lZ+z5z9XcrJfWP/3m4cfQDuWhpgjKk3YBHe/AM5D47VIlkgULI1cA9mS7Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:44:34.816443Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.04728","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c1c3dd1846010797a31c4c16bb2cf398b60cb32b0bc63949fb274bbbdb53c28d","sha256:8ce44393ab73469cf8162e9683c86a19a71e8282694715a17f02b924c67c9dc7"],"state_sha256":"e78fa06c6449c61c171e9405a9a550f336952d5318cb0584c5e5a9375a848636"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"McMuK0N3Xppl5d8lJK+NDUzI+KrXnvu5UuThaL8juPGoBHCYh4SEg/9i2Bog01C4ubStLO2ULYV+PM6UpKTtCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:52:44.509772Z","bundle_sha256":"4b57d9e4c589aba51cdfc6faac104ddb03572c1c52d7d2feb71d3adbfce09ae2"}}