{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QG2QPHULWUY7ZRCJQEXATETZ7R","short_pith_number":"pith:QG2QPHUL","canonical_record":{"source":{"id":"1908.04596","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2019-08-13T12:03:44Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"28db11f3fe8bffb297310077b4beb4d189c411dfcc66320dd78e01e1b96abd4d","abstract_canon_sha256":"ee4a8e2be8db7d1b5a2ea1e5c6c74016ba4c2c53f1c44a3a0fea011b0be0a7a8"},"schema_version":"1.0"},"canonical_sha256":"81b5079e8bb531fcc449812e099279fc4a0215b993010c8ee05a9ea82c9712fa","source":{"kind":"arxiv","id":"1908.04596","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04596","created_at":"2026-07-05T08:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04596v2","created_at":"2026-07-05T08:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04596","created_at":"2026-07-05T08:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"QG2QPHULWUY7","created_at":"2026-07-05T08:50:22Z"},{"alias_kind":"pith_short_16","alias_value":"QG2QPHULWUY7ZRCJ","created_at":"2026-07-05T08:50:22Z"},{"alias_kind":"pith_short_8","alias_value":"QG2QPHUL","created_at":"2026-07-05T08:50:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QG2QPHULWUY7ZRCJQEXATETZ7R","target":"record","payload":{"canonical_record":{"source":{"id":"1908.04596","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2019-08-13T12:03:44Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"28db11f3fe8bffb297310077b4beb4d189c411dfcc66320dd78e01e1b96abd4d","abstract_canon_sha256":"ee4a8e2be8db7d1b5a2ea1e5c6c74016ba4c2c53f1c44a3a0fea011b0be0a7a8"},"schema_version":"1.0"},"canonical_sha256":"81b5079e8bb531fcc449812e099279fc4a0215b993010c8ee05a9ea82c9712fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:50:22.348966Z","signature_b64":"QMtH47hRUo+npN2IbaPiskfSYyeRRH5S1Lh+1dr/eKnR2o2sOQEU1qr9DwFGDe6sVFAbWJkdTvHeLUj63BYzAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81b5079e8bb531fcc449812e099279fc4a0215b993010c8ee05a9ea82c9712fa","last_reissued_at":"2026-07-05T08:50:22.348391Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:50:22.348391Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.04596","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nUCQr2gupES3zIPNuqyJSew35CW0hGuyl08Y3lRDh8WnpB6KrpcZ2SAcyvjzJOZrdcY+77bk6JXg0mmRvsVpCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T23:30:43.611819Z"},"content_sha256":"f43a526d007a3ff0638a9d379726d07995ebc238f6d2962f3e2c226bfc585ca6","schema_version":"1.0","event_id":"sha256:f43a526d007a3ff0638a9d379726d07995ebc238f6d2962f3e2c226bfc585ca6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QG2QPHULWUY7ZRCJQEXATETZ7R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Simulative Study on Active Disturbance Rejection Control (ADRC) as a Control Tool for Practitioners","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Gernot Herbst","submitted_at":"2019-08-13T12:03:44Z","abstract_excerpt":"As an alternative to both classical PID-type and modern model-based approaches to solving control problems, active disturbance rejection control (ADRC) has gained significant traction in recent years. With its simple tuning method and robustness against process parameter variations, it puts itself forward as a valuable addition to the toolbox of control engineering practitioners. This article aims at providing a single-source introduction and reference to linear ADRC with this audience in mind. A simulative study is carried out using generic first- and second-order plants to enable a quick vis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04596","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/1908.04596/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":"2026-07-05T08:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x+uCz9d2ZXZfxfz6ChtFxEGGn0NV/+qXRQ99WBLCtJA840pZ4m8tKnKo83mMPVCZDEUXjc8BFmdbRJ05+udfAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T23:30:43.612326Z"},"content_sha256":"c8e241360454d5d2172ebbf06406a31d68f75706221912c2980a23f57fde61c1","schema_version":"1.0","event_id":"sha256:c8e241360454d5d2172ebbf06406a31d68f75706221912c2980a23f57fde61c1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QG2QPHULWUY7ZRCJQEXATETZ7R/bundle.json","state_url":"https://pith.science/pith/QG2QPHULWUY7ZRCJQEXATETZ7R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QG2QPHULWUY7ZRCJQEXATETZ7R/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":"2026-08-18T23:30:43Z","links":{"resolver":"https://pith.science/pith/QG2QPHULWUY7ZRCJQEXATETZ7R","bundle":"https://pith.science/pith/QG2QPHULWUY7ZRCJQEXATETZ7R/bundle.json","state":"https://pith.science/pith/QG2QPHULWUY7ZRCJQEXATETZ7R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QG2QPHULWUY7ZRCJQEXATETZ7R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QG2QPHULWUY7ZRCJQEXATETZ7R","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":"ee4a8e2be8db7d1b5a2ea1e5c6c74016ba4c2c53f1c44a3a0fea011b0be0a7a8","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2019-08-13T12:03:44Z","title_canon_sha256":"28db11f3fe8bffb297310077b4beb4d189c411dfcc66320dd78e01e1b96abd4d"},"schema_version":"1.0","source":{"id":"1908.04596","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04596","created_at":"2026-07-05T08:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04596v2","created_at":"2026-07-05T08:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04596","created_at":"2026-07-05T08:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"QG2QPHULWUY7","created_at":"2026-07-05T08:50:22Z"},{"alias_kind":"pith_short_16","alias_value":"QG2QPHULWUY7ZRCJ","created_at":"2026-07-05T08:50:22Z"},{"alias_kind":"pith_short_8","alias_value":"QG2QPHUL","created_at":"2026-07-05T08:50:22Z"}],"graph_snapshots":[{"event_id":"sha256:c8e241360454d5d2172ebbf06406a31d68f75706221912c2980a23f57fde61c1","target":"graph","created_at":"2026-07-05T08:50:22Z","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/1908.04596/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"As an alternative to both classical PID-type and modern model-based approaches to solving control problems, active disturbance rejection control (ADRC) has gained significant traction in recent years. With its simple tuning method and robustness against process parameter variations, it puts itself forward as a valuable addition to the toolbox of control engineering practitioners. This article aims at providing a single-source introduction and reference to linear ADRC with this audience in mind. A simulative study is carried out using generic first- and second-order plants to enable a quick vis","authors_text":"Gernot Herbst","cross_cats":["cs.SY"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2019-08-13T12:03:44Z","title":"A Simulative Study on Active Disturbance Rejection Control (ADRC) as a Control Tool for Practitioners"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04596","kind":"arxiv","version":2},"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:f43a526d007a3ff0638a9d379726d07995ebc238f6d2962f3e2c226bfc585ca6","target":"record","created_at":"2026-07-05T08:50:22Z","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":"ee4a8e2be8db7d1b5a2ea1e5c6c74016ba4c2c53f1c44a3a0fea011b0be0a7a8","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2019-08-13T12:03:44Z","title_canon_sha256":"28db11f3fe8bffb297310077b4beb4d189c411dfcc66320dd78e01e1b96abd4d"},"schema_version":"1.0","source":{"id":"1908.04596","kind":"arxiv","version":2}},"canonical_sha256":"81b5079e8bb531fcc449812e099279fc4a0215b993010c8ee05a9ea82c9712fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81b5079e8bb531fcc449812e099279fc4a0215b993010c8ee05a9ea82c9712fa","first_computed_at":"2026-07-05T08:50:22.348391Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:50:22.348391Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QMtH47hRUo+npN2IbaPiskfSYyeRRH5S1Lh+1dr/eKnR2o2sOQEU1qr9DwFGDe6sVFAbWJkdTvHeLUj63BYzAg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:50:22.348966Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.04596","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f43a526d007a3ff0638a9d379726d07995ebc238f6d2962f3e2c226bfc585ca6","sha256:c8e241360454d5d2172ebbf06406a31d68f75706221912c2980a23f57fde61c1"],"state_sha256":"daf9d7016eb779efff645ea7be0a1cf1817c305458edaa30bb870118798f5c10"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ro9wr35wLjcCGoYO2gug+ztTmnYemC5jsjmfAQ5rjIHG3k5MuueyDYcmH0aOmACJaeuSnLkuAzKy2FVf+QsbDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T23:30:43.617550Z","bundle_sha256":"bf59580ac4b6b14b5700827d5f75094556dfc4142dd26bec3772a4c3bcc2a696"}}