{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:PVRLQZNMJWZWVB5EUGROW27KPJ","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":"2b7e5b2bcae9cf5b73b063de21b52d62faccf225536aac6f9b3a947ae9b91b17","cross_cats_sorted":["cs.SY","eess.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2025-05-11T05:05:05Z","title_canon_sha256":"6d5d07c2bb18c7a0b71e4774110bcd800742ecb84001008fd974db816b0465ae"},"schema_version":"1.0","source":{"id":"2505.06845","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.06845","created_at":"2026-07-05T11:01:37Z"},{"alias_kind":"arxiv_version","alias_value":"2505.06845v1","created_at":"2026-07-05T11:01:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.06845","created_at":"2026-07-05T11:01:37Z"},{"alias_kind":"pith_short_12","alias_value":"PVRLQZNMJWZW","created_at":"2026-07-05T11:01:37Z"},{"alias_kind":"pith_short_16","alias_value":"PVRLQZNMJWZWVB5E","created_at":"2026-07-05T11:01:37Z"},{"alias_kind":"pith_short_8","alias_value":"PVRLQZNM","created_at":"2026-07-05T11:01:37Z"}],"graph_snapshots":[{"event_id":"sha256:002216e76f3138c40c79966127dbeda447dc114dcdf60497bfb220c33393faa0","target":"graph","created_at":"2026-07-05T11:01:37Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2505.06845/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Modern autopilot systems are prone to sensor attacks that can jeopardize flight safety. To mitigate this risk, we proposed a modular solution: the secure safety filter, which extends the well-established control barrier function (CBF)-based safety filter to account for, and mitigate, sensor attacks. This module consists of a secure state reconstructor (which generates plausible states) and a safety filter (which computes the safe control input that is closest to the nominal one). Differing from existing work focusing on linear, noise-free systems, the proposed secure safety filter handles boun","authors_text":"Aaron D. Ames, Junior Sundar, Martin Andreoni, Paulo Tabuada, Pio Ong, Renzo Bruzzone, Willian T. Lunardi, Xiao Tan","cross_cats":["cs.SY","eess.SY"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2025-05-11T05:05:05Z","title":"Secure Safety Filter: Towards Safe Flight Control under Sensor Attacks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.06845","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":"sha256:2adfb393d1a7c9fedd3811e7c5331aec66fdd49f19b9f97462b518a3a3915a53","target":"record","created_at":"2026-07-05T11:01:37Z","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":"2b7e5b2bcae9cf5b73b063de21b52d62faccf225536aac6f9b3a947ae9b91b17","cross_cats_sorted":["cs.SY","eess.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.RO","submitted_at":"2025-05-11T05:05:05Z","title_canon_sha256":"6d5d07c2bb18c7a0b71e4774110bcd800742ecb84001008fd974db816b0465ae"},"schema_version":"1.0","source":{"id":"2505.06845","kind":"arxiv","version":1}},"canonical_sha256":"7d62b865ac4db36a87a4a1a2eb6bea7a561bfce1f9c9c346b0498b2caba79769","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7d62b865ac4db36a87a4a1a2eb6bea7a561bfce1f9c9c346b0498b2caba79769","first_computed_at":"2026-07-05T11:01:37.828665Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:01:37.828665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"foZLi56EkCieCnax1QSdIEOgvFzbnLZ+cqdYSGdW9xhWdoVwOB3zeI+m/FFiWtS/QxXE1httzfei6jqsIid1DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:01:37.829833Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.06845","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2adfb393d1a7c9fedd3811e7c5331aec66fdd49f19b9f97462b518a3a3915a53","sha256:002216e76f3138c40c79966127dbeda447dc114dcdf60497bfb220c33393faa0"],"state_sha256":"3c045837ccc6ea9430c9802315aefcdc9c2083e3275d03f2216dcaa7260f6bd1"}