{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:TMTWYPEDNPJJJ7SVLXGAWIEJVT","short_pith_number":"pith:TMTWYPED","canonical_record":{"source":{"id":"2605.21399","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2026-05-20T16:56:52Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"e7f35627618bc5f83afc411f4be4ca98269db04e7871c98da4b3666833270865","abstract_canon_sha256":"4d6a7c6234d77fa3dd58e51b0c4ffeda2edea1fbae6dd5171f76070a89ffab99"},"schema_version":"1.0"},"canonical_sha256":"9b276c3c836bd294fe555dcc0b2089acf4eb64f2a807d29e70ab147ca0ae8cd3","source":{"kind":"arxiv","id":"2605.21399","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21399","created_at":"2026-05-21T02:05:32Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21399v1","created_at":"2026-05-21T02:05:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21399","created_at":"2026-05-21T02:05:32Z"},{"alias_kind":"pith_short_12","alias_value":"TMTWYPEDNPJJ","created_at":"2026-05-21T02:05:32Z"},{"alias_kind":"pith_short_16","alias_value":"TMTWYPEDNPJJJ7SV","created_at":"2026-05-21T02:05:32Z"},{"alias_kind":"pith_short_8","alias_value":"TMTWYPED","created_at":"2026-05-21T02:05:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:TMTWYPEDNPJJJ7SVLXGAWIEJVT","target":"record","payload":{"canonical_record":{"source":{"id":"2605.21399","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2026-05-20T16:56:52Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"e7f35627618bc5f83afc411f4be4ca98269db04e7871c98da4b3666833270865","abstract_canon_sha256":"4d6a7c6234d77fa3dd58e51b0c4ffeda2edea1fbae6dd5171f76070a89ffab99"},"schema_version":"1.0"},"canonical_sha256":"9b276c3c836bd294fe555dcc0b2089acf4eb64f2a807d29e70ab147ca0ae8cd3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-21T02:05:32.905001Z","signature_b64":"ZglAILlLUrlr3BRZ+9mg33xs9P5jPXV36niXb+aJ1E2XYKJWm2FQ0rQ8gXiHb9Lk1YcSt/sxH3vW+tRdCEl3BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b276c3c836bd294fe555dcc0b2089acf4eb64f2a807d29e70ab147ca0ae8cd3","last_reissued_at":"2026-05-21T02:05:32.904354Z","signature_status":"signed_v1","first_computed_at":"2026-05-21T02:05:32.904354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.21399","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":"2026-05-21T02:05:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YFefqPm3iR4dGzkPwxyWoqH78JQzqOZMYKpkcAZiZaLZ1+10eo+k3P9mUi4ppSNBpMcG9iqTpEF3lGc5tHPNAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:56:00.222503Z"},"content_sha256":"d8868adc13cf466f93d34971c39c71ead37657301b89b97ebf54b3211105954f","schema_version":"1.0","event_id":"sha256:d8868adc13cf466f93d34971c39c71ead37657301b89b97ebf54b3211105954f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:TMTWYPEDNPJJJ7SVLXGAWIEJVT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Output Feedback Control of Linear Time-Invariant Systems with Operational Constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Eugene Lavretsky, Heather Hussain, Marcel Menner","submitted_at":"2026-05-20T16:56:52Z","abstract_excerpt":"This paper introduces a systematic method for designing robust linear controllers using output feedback in the presence of operational constraints. The design uses Nagumo's Theorem and the Comparison Lemma to guarantee constraint satisfaction, while incorporating min-norm optimal control principles inspired by Control Barrier Functions. The resulting controller is a continuous piecewise-linear output feedback policy that preserves the closed-loop system's analyzability using linear systems theory. Due to the linear control design, multi-input multi-output (MIMO) robustness margins can be deriv"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21399","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.21399/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-21T02:05:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bj7wdwWybumuAf1zOKbeMiFqrcBl2eNRLIwPPCUt0taXuK5NKkwYupIqrYNUwwkM8AiC/GecRXmd9qIWyqtVAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:56:00.222891Z"},"content_sha256":"f6f24aa215d8de8266b38a59771c13df0bc909496113989c515e31344e74eab6","schema_version":"1.0","event_id":"sha256:f6f24aa215d8de8266b38a59771c13df0bc909496113989c515e31344e74eab6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TMTWYPEDNPJJJ7SVLXGAWIEJVT/bundle.json","state_url":"https://pith.science/pith/TMTWYPEDNPJJJ7SVLXGAWIEJVT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TMTWYPEDNPJJJ7SVLXGAWIEJVT/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":"2026-06-02T15:56:00Z","links":{"resolver":"https://pith.science/pith/TMTWYPEDNPJJJ7SVLXGAWIEJVT","bundle":"https://pith.science/pith/TMTWYPEDNPJJJ7SVLXGAWIEJVT/bundle.json","state":"https://pith.science/pith/TMTWYPEDNPJJJ7SVLXGAWIEJVT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TMTWYPEDNPJJJ7SVLXGAWIEJVT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:TMTWYPEDNPJJJ7SVLXGAWIEJVT","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":"4d6a7c6234d77fa3dd58e51b0c4ffeda2edea1fbae6dd5171f76070a89ffab99","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2026-05-20T16:56:52Z","title_canon_sha256":"e7f35627618bc5f83afc411f4be4ca98269db04e7871c98da4b3666833270865"},"schema_version":"1.0","source":{"id":"2605.21399","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21399","created_at":"2026-05-21T02:05:32Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21399v1","created_at":"2026-05-21T02:05:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21399","created_at":"2026-05-21T02:05:32Z"},{"alias_kind":"pith_short_12","alias_value":"TMTWYPEDNPJJ","created_at":"2026-05-21T02:05:32Z"},{"alias_kind":"pith_short_16","alias_value":"TMTWYPEDNPJJJ7SV","created_at":"2026-05-21T02:05:32Z"},{"alias_kind":"pith_short_8","alias_value":"TMTWYPED","created_at":"2026-05-21T02:05:32Z"}],"graph_snapshots":[{"event_id":"sha256:f6f24aa215d8de8266b38a59771c13df0bc909496113989c515e31344e74eab6","target":"graph","created_at":"2026-05-21T02:05:32Z","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/2605.21399/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper introduces a systematic method for designing robust linear controllers using output feedback in the presence of operational constraints. The design uses Nagumo's Theorem and the Comparison Lemma to guarantee constraint satisfaction, while incorporating min-norm optimal control principles inspired by Control Barrier Functions. The resulting controller is a continuous piecewise-linear output feedback policy that preserves the closed-loop system's analyzability using linear systems theory. Due to the linear control design, multi-input multi-output (MIMO) robustness margins can be deriv","authors_text":"Eugene Lavretsky, Heather Hussain, Marcel Menner","cross_cats":["cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2026-05-20T16:56:52Z","title":"Output Feedback Control of Linear Time-Invariant Systems with Operational Constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21399","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:d8868adc13cf466f93d34971c39c71ead37657301b89b97ebf54b3211105954f","target":"record","created_at":"2026-05-21T02:05:32Z","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":"4d6a7c6234d77fa3dd58e51b0c4ffeda2edea1fbae6dd5171f76070a89ffab99","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2026-05-20T16:56:52Z","title_canon_sha256":"e7f35627618bc5f83afc411f4be4ca98269db04e7871c98da4b3666833270865"},"schema_version":"1.0","source":{"id":"2605.21399","kind":"arxiv","version":1}},"canonical_sha256":"9b276c3c836bd294fe555dcc0b2089acf4eb64f2a807d29e70ab147ca0ae8cd3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b276c3c836bd294fe555dcc0b2089acf4eb64f2a807d29e70ab147ca0ae8cd3","first_computed_at":"2026-05-21T02:05:32.904354Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T02:05:32.904354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZglAILlLUrlr3BRZ+9mg33xs9P5jPXV36niXb+aJ1E2XYKJWm2FQ0rQ8gXiHb9Lk1YcSt/sxH3vW+tRdCEl3BQ==","signature_status":"signed_v1","signed_at":"2026-05-21T02:05:32.905001Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.21399","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d8868adc13cf466f93d34971c39c71ead37657301b89b97ebf54b3211105954f","sha256:f6f24aa215d8de8266b38a59771c13df0bc909496113989c515e31344e74eab6"],"state_sha256":"79206f9ebcef56a551a89ca514d3213eb236501e69aa2e3660a4a56f875120ae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vt4KCEs07VbkGBRvF7A2Z1E36KgHu48Yu5klVKiyac8vXZAV32/2dJAYXJKJ2D/tsa0yuMNxZaP+975x97/pDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T15:56:00.225202Z","bundle_sha256":"3a3dddc28d38078a0b3b8ed2370405042fb5aea877028b6abdd008021f439766"}}