{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:F3VKX2FXFHDHJVJDXZ3QY7LFRW","short_pith_number":"pith:F3VKX2FX","schema_version":"1.0","canonical_sha256":"2eeaabe8b729c674d523be770c7d658db3747a47dc207e26d8e58e3bdbb5ec6e","source":{"kind":"arxiv","id":"2606.18941","version":2},"attestation_state":"computed","paper":{"title":"ESBMC-GraphPLC: Formal Verification of Graphical PLCopen XML Ladder Diagram Programs Using SMT-Based Model Checking","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CL"],"primary_cat":"cs.PL","authors_text":"Lucas Cordeiro, Pierre Dantas, Waldir Junior","submitted_at":"2026-06-17T11:22:34Z","abstract_excerpt":"PLCopen XML defines two encoding formats for IEC 61131-3 Ladder Diagram programs: a textual encoding using <rung> elements, and a graphical encoding that represents rung logic as a directed graph of localId/refLocalId connections. ESBMC-PLC supported the textual format but parsed graphical exports from CONTROLLINO, Beremiz, and OpenPLC Editor into an empty GOTO intermediate representation, causing vacuous verification success. This paper presents ESBMC-GraphPLC, which closes this gap with a DFS-based graphical LD resolver. The resolver traverses the connection graph from leftPowerRail to each "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2606.18941","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.PL","submitted_at":"2026-06-17T11:22:34Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"10b688c53c82668d8bb17cfd562923ffae091733a71544e1761fea54dc003d70","abstract_canon_sha256":"bbfa9a95985042a74ebb2a24a2e5bbac8233719ac03a478820eb667f5f682947"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:12:58.417209Z","signature_b64":"zsh5RNg9ORpi3755UlHeh6sr4yI2blf9sUy/qU0UKEQZDx0yNw6hWe9OGpq9xGUhfdoAdGQBWk0WUE26TbN8BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2eeaabe8b729c674d523be770c7d658db3747a47dc207e26d8e58e3bdbb5ec6e","last_reissued_at":"2026-06-19T16:12:58.416797Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:12:58.416797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ESBMC-GraphPLC: Formal Verification of Graphical PLCopen XML Ladder Diagram Programs Using SMT-Based Model Checking","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CL"],"primary_cat":"cs.PL","authors_text":"Lucas Cordeiro, Pierre Dantas, Waldir Junior","submitted_at":"2026-06-17T11:22:34Z","abstract_excerpt":"PLCopen XML defines two encoding formats for IEC 61131-3 Ladder Diagram programs: a textual encoding using <rung> elements, and a graphical encoding that represents rung logic as a directed graph of localId/refLocalId connections. ESBMC-PLC supported the textual format but parsed graphical exports from CONTROLLINO, Beremiz, and OpenPLC Editor into an empty GOTO intermediate representation, causing vacuous verification success. This paper presents ESBMC-GraphPLC, which closes this gap with a DFS-based graphical LD resolver. The resolver traverses the connection graph from leftPowerRail to each "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18941","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.18941/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2606.18941","created_at":"2026-06-19T16:12:58.416861+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.18941v2","created_at":"2026-06-19T16:12:58.416861+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18941","created_at":"2026-06-19T16:12:58.416861+00:00"},{"alias_kind":"pith_short_12","alias_value":"F3VKX2FXFHDH","created_at":"2026-06-19T16:12:58.416861+00:00"},{"alias_kind":"pith_short_16","alias_value":"F3VKX2FXFHDHJVJD","created_at":"2026-06-19T16:12:58.416861+00:00"},{"alias_kind":"pith_short_8","alias_value":"F3VKX2FX","created_at":"2026-06-19T16:12:58.416861+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/F3VKX2FXFHDHJVJDXZ3QY7LFRW","json":"https://pith.science/pith/F3VKX2FXFHDHJVJDXZ3QY7LFRW.json","graph_json":"https://pith.science/api/pith-number/F3VKX2FXFHDHJVJDXZ3QY7LFRW/graph.json","events_json":"https://pith.science/api/pith-number/F3VKX2FXFHDHJVJDXZ3QY7LFRW/events.json","paper":"https://pith.science/paper/F3VKX2FX"},"agent_actions":{"view_html":"https://pith.science/pith/F3VKX2FXFHDHJVJDXZ3QY7LFRW","download_json":"https://pith.science/pith/F3VKX2FXFHDHJVJDXZ3QY7LFRW.json","view_paper":"https://pith.science/paper/F3VKX2FX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.18941&json=true","fetch_graph":"https://pith.science/api/pith-number/F3VKX2FXFHDHJVJDXZ3QY7LFRW/graph.json","fetch_events":"https://pith.science/api/pith-number/F3VKX2FXFHDHJVJDXZ3QY7LFRW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/F3VKX2FXFHDHJVJDXZ3QY7LFRW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/F3VKX2FXFHDHJVJDXZ3QY7LFRW/action/storage_attestation","attest_author":"https://pith.science/pith/F3VKX2FXFHDHJVJDXZ3QY7LFRW/action/author_attestation","sign_citation":"https://pith.science/pith/F3VKX2FXFHDHJVJDXZ3QY7LFRW/action/citation_signature","submit_replication":"https://pith.science/pith/F3VKX2FXFHDHJVJDXZ3QY7LFRW/action/replication_record"}},"created_at":"2026-06-19T16:12:58.416861+00:00","updated_at":"2026-06-19T16:12:58.416861+00:00"}