{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TATGERDZ7LRVWPUNX35PLZLMUJ","short_pith_number":"pith:TATGERDZ","canonical_record":{"source":{"id":"1904.07083","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2019-04-15T14:44:33Z","cross_cats_sorted":[],"title_canon_sha256":"e5bf421d7cde940e2606fdeb46d708ca592619ef18d00fe857fd71cc94c4a093","abstract_canon_sha256":"cc54d88a42abe0ff72d7dc5cd8f9b58fd1a11b4c4eac7c78a71779cdf5bde329"},"schema_version":"1.0"},"canonical_sha256":"9826624479fae35b3e8dbefaf5e56ca276d0dee5e7dbe14b1b0d673fd65611d7","source":{"kind":"arxiv","id":"1904.07083","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.07083","created_at":"2026-05-17T23:48:35Z"},{"alias_kind":"arxiv_version","alias_value":"1904.07083v1","created_at":"2026-05-17T23:48:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.07083","created_at":"2026-05-17T23:48:35Z"},{"alias_kind":"pith_short_12","alias_value":"TATGERDZ7LRV","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TATGERDZ7LRVWPUN","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TATGERDZ","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TATGERDZ7LRVWPUNX35PLZLMUJ","target":"record","payload":{"canonical_record":{"source":{"id":"1904.07083","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2019-04-15T14:44:33Z","cross_cats_sorted":[],"title_canon_sha256":"e5bf421d7cde940e2606fdeb46d708ca592619ef18d00fe857fd71cc94c4a093","abstract_canon_sha256":"cc54d88a42abe0ff72d7dc5cd8f9b58fd1a11b4c4eac7c78a71779cdf5bde329"},"schema_version":"1.0"},"canonical_sha256":"9826624479fae35b3e8dbefaf5e56ca276d0dee5e7dbe14b1b0d673fd65611d7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:35.318140Z","signature_b64":"CGFyS4JNVSsFOpPa+14P9Kjv8hbHL9eNAga2pedB/iEazOm5DObghmc5kgsPjrTrMEUyV6GKF2VHrNlZ3U5NAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9826624479fae35b3e8dbefaf5e56ca276d0dee5e7dbe14b1b0d673fd65611d7","last_reissued_at":"2026-05-17T23:48:35.317702Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:35.317702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.07083","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":"2026-05-17T23:48:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EfsU129MhmSFZEffb3EqUfGkxkDzbP4qPTJcOwuzYjyKTjMrqVpE9uIIMBsHwWn+r9tBDKkkE8V5TeVuE0/uCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:29:39.151934Z"},"content_sha256":"22ecd783aa94d4920f22cb6fb82b5051ab1f992c087b7158c92066d0aff409af","schema_version":"1.0","event_id":"sha256:22ecd783aa94d4920f22cb6fb82b5051ab1f992c087b7158c92066d0aff409af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TATGERDZ7LRVWPUNX35PLZLMUJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Compositional Specifications for ioco Testing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Dejan Nickovic, Przemyslaw Daca, Thomas A. Henzinger, Willibald Krenn","submitted_at":"2019-04-15T14:44:33Z","abstract_excerpt":"Model-based testing is a promising technology for black-box software and hardware testing, in which test cases are generated automatically from high-level specifications. Nowadays, systems typically consist of multiple interacting components and, due to their complexity, testing presents a considerable portion of the effort and cost in the design process. Exploiting the compositional structure of system specifications can considerably reduce the effort in model-based testing. Moreover, inferring properties about the system from testing its individual components allows the designer to reduce th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.07083","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":"2026-05-17T23:48:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"se67WxGifmamIim+aiu0srr1wOU3s4TqaABuwO2ntcR3/QxiL+XRixMrCZhLNjbZg7Tg4jwr+omg8RvaMExHDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:29:39.152336Z"},"content_sha256":"2e460280000be313890ccb3569df3643f33ef405ee243d1ebe9d7586567d591a","schema_version":"1.0","event_id":"sha256:2e460280000be313890ccb3569df3643f33ef405ee243d1ebe9d7586567d591a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TATGERDZ7LRVWPUNX35PLZLMUJ/bundle.json","state_url":"https://pith.science/pith/TATGERDZ7LRVWPUNX35PLZLMUJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TATGERDZ7LRVWPUNX35PLZLMUJ/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":"2026-05-26T16:29:39Z","links":{"resolver":"https://pith.science/pith/TATGERDZ7LRVWPUNX35PLZLMUJ","bundle":"https://pith.science/pith/TATGERDZ7LRVWPUNX35PLZLMUJ/bundle.json","state":"https://pith.science/pith/TATGERDZ7LRVWPUNX35PLZLMUJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TATGERDZ7LRVWPUNX35PLZLMUJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TATGERDZ7LRVWPUNX35PLZLMUJ","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":"cc54d88a42abe0ff72d7dc5cd8f9b58fd1a11b4c4eac7c78a71779cdf5bde329","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2019-04-15T14:44:33Z","title_canon_sha256":"e5bf421d7cde940e2606fdeb46d708ca592619ef18d00fe857fd71cc94c4a093"},"schema_version":"1.0","source":{"id":"1904.07083","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.07083","created_at":"2026-05-17T23:48:35Z"},{"alias_kind":"arxiv_version","alias_value":"1904.07083v1","created_at":"2026-05-17T23:48:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.07083","created_at":"2026-05-17T23:48:35Z"},{"alias_kind":"pith_short_12","alias_value":"TATGERDZ7LRV","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TATGERDZ7LRVWPUN","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TATGERDZ","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:2e460280000be313890ccb3569df3643f33ef405ee243d1ebe9d7586567d591a","target":"graph","created_at":"2026-05-17T23:48:35Z","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":"Model-based testing is a promising technology for black-box software and hardware testing, in which test cases are generated automatically from high-level specifications. Nowadays, systems typically consist of multiple interacting components and, due to their complexity, testing presents a considerable portion of the effort and cost in the design process. Exploiting the compositional structure of system specifications can considerably reduce the effort in model-based testing. Moreover, inferring properties about the system from testing its individual components allows the designer to reduce th","authors_text":"Dejan Nickovic, Przemyslaw Daca, Thomas A. Henzinger, Willibald Krenn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2019-04-15T14:44:33Z","title":"Compositional Specifications for ioco Testing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.07083","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":"sha256:22ecd783aa94d4920f22cb6fb82b5051ab1f992c087b7158c92066d0aff409af","target":"record","created_at":"2026-05-17T23:48:35Z","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":"cc54d88a42abe0ff72d7dc5cd8f9b58fd1a11b4c4eac7c78a71779cdf5bde329","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2019-04-15T14:44:33Z","title_canon_sha256":"e5bf421d7cde940e2606fdeb46d708ca592619ef18d00fe857fd71cc94c4a093"},"schema_version":"1.0","source":{"id":"1904.07083","kind":"arxiv","version":1}},"canonical_sha256":"9826624479fae35b3e8dbefaf5e56ca276d0dee5e7dbe14b1b0d673fd65611d7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9826624479fae35b3e8dbefaf5e56ca276d0dee5e7dbe14b1b0d673fd65611d7","first_computed_at":"2026-05-17T23:48:35.317702Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:35.317702Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CGFyS4JNVSsFOpPa+14P9Kjv8hbHL9eNAga2pedB/iEazOm5DObghmc5kgsPjrTrMEUyV6GKF2VHrNlZ3U5NAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:35.318140Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.07083","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:22ecd783aa94d4920f22cb6fb82b5051ab1f992c087b7158c92066d0aff409af","sha256:2e460280000be313890ccb3569df3643f33ef405ee243d1ebe9d7586567d591a"],"state_sha256":"95259ac783576c42f6ed67f07d06d86bbea3a4cea9efbf97f436fce7bbf80641"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ATk37qnUuJcWniDYH8+fYI/hOePUj/CpdfhVK9glE/zWbfxo+jzcNawfM/YFbvexveRHikOn311iIx+AZRfFAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T16:29:39.155591Z","bundle_sha256":"f900a7a097cff8ac5fdc4423bb170883d4a97b7a9ffa7f695e59028edca50bc2"}}