{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:5RBA744QHIFID644X6GUYVBIM2","short_pith_number":"pith:5RBA744Q","canonical_record":{"source":{"id":"1907.05050","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2019-07-11T08:42:44Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"c88c3ed8a762406742ca48890f3e93507a62558825c888c53ce6c75e52c08d0b","abstract_canon_sha256":"3fe41731cee6a63e687af69837992295f45910f7cd7213fdeb2898b0bfb44381"},"schema_version":"1.0"},"canonical_sha256":"ec420ff3903a0a81fb9cbf8d4c542866ad2b51410051e1115e138fb3ac887e35","source":{"kind":"arxiv","id":"1907.05050","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.05050","created_at":"2026-07-05T01:35:24Z"},{"alias_kind":"arxiv_version","alias_value":"1907.05050v3","created_at":"2026-07-05T01:35:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.05050","created_at":"2026-07-05T01:35:24Z"},{"alias_kind":"pith_short_12","alias_value":"5RBA744QHIFI","created_at":"2026-07-05T01:35:24Z"},{"alias_kind":"pith_short_16","alias_value":"5RBA744QHIFID644","created_at":"2026-07-05T01:35:24Z"},{"alias_kind":"pith_short_8","alias_value":"5RBA744Q","created_at":"2026-07-05T01:35:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:5RBA744QHIFID644X6GUYVBIM2","target":"record","payload":{"canonical_record":{"source":{"id":"1907.05050","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2019-07-11T08:42:44Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"c88c3ed8a762406742ca48890f3e93507a62558825c888c53ce6c75e52c08d0b","abstract_canon_sha256":"3fe41731cee6a63e687af69837992295f45910f7cd7213fdeb2898b0bfb44381"},"schema_version":"1.0"},"canonical_sha256":"ec420ff3903a0a81fb9cbf8d4c542866ad2b51410051e1115e138fb3ac887e35","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:35:24.340843Z","signature_b64":"wvgnpx+4ZObNLQqz7/rSqRVGippmwBofYlHCMZLuwh0UGXTjh91dnAjzBsSuCdvkNEnbukNKzLR30qbq58uFAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec420ff3903a0a81fb9cbf8d4c542866ad2b51410051e1115e138fb3ac887e35","last_reissued_at":"2026-07-05T01:35:24.340387Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:35:24.340387Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.05050","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:35:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fZZRJYvrSQvSQiakzlSriQzn0ea9Cn8R92r/OwcldKyf0HqUhs7hqkpzdQl23N3tZiFa1HBlRpJNkgL5YD9rDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:07:50.104289Z"},"content_sha256":"a2db7ba195f51dddf17a900cefd7ab05503630fbe5468c69ca768dffc1a151be","schema_version":"1.0","event_id":"sha256:a2db7ba195f51dddf17a900cefd7ab05503630fbe5468c69ca768dffc1a151be"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:5RBA744QHIFID644X6GUYVBIM2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Approximate Nonlinear Regulation via Identification-Based Adaptive Internal Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Lorenzo Marconi, Michelangelo Bin, Pauline Bernard","submitted_at":"2019-07-11T08:42:44Z","abstract_excerpt":"This paper concerns the problem of adaptive output regulation for multivariable nonlinear systems in normal form. We present a regulator employing an adaptive internal model of the exogenous signals based on the theory of nonlinear Luenberger observers. Adaptation is performed by means of discrete-time system identification schemes, in which every algorithm fulfilling some optimality and stability conditions can be used. Practical and approximate regulation results are given relating the prediction capabilities of the identified model to the asymptotic bound on the regulated variables, which b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.05050","kind":"arxiv","version":3},"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/1907.05050/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":"2026-07-05T01:35:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tDpieZ/o4vp7Gp/c+TGUhFk6+VGx6vkcZp4Ls35UXS5rztoAnQMT6LeR0vdQad1a4c/5pnG72zXU25/eMhTWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:07:50.104655Z"},"content_sha256":"19844a5f1ebd4e1fdd0666b2dce394dfa436e70c5f34bcc10b5d8dac78e92eda","schema_version":"1.0","event_id":"sha256:19844a5f1ebd4e1fdd0666b2dce394dfa436e70c5f34bcc10b5d8dac78e92eda"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5RBA744QHIFID644X6GUYVBIM2/bundle.json","state_url":"https://pith.science/pith/5RBA744QHIFID644X6GUYVBIM2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5RBA744QHIFID644X6GUYVBIM2/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":"2026-07-07T08:07:50Z","links":{"resolver":"https://pith.science/pith/5RBA744QHIFID644X6GUYVBIM2","bundle":"https://pith.science/pith/5RBA744QHIFID644X6GUYVBIM2/bundle.json","state":"https://pith.science/pith/5RBA744QHIFID644X6GUYVBIM2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5RBA744QHIFID644X6GUYVBIM2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:5RBA744QHIFID644X6GUYVBIM2","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":"3fe41731cee6a63e687af69837992295f45910f7cd7213fdeb2898b0bfb44381","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2019-07-11T08:42:44Z","title_canon_sha256":"c88c3ed8a762406742ca48890f3e93507a62558825c888c53ce6c75e52c08d0b"},"schema_version":"1.0","source":{"id":"1907.05050","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.05050","created_at":"2026-07-05T01:35:24Z"},{"alias_kind":"arxiv_version","alias_value":"1907.05050v3","created_at":"2026-07-05T01:35:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.05050","created_at":"2026-07-05T01:35:24Z"},{"alias_kind":"pith_short_12","alias_value":"5RBA744QHIFI","created_at":"2026-07-05T01:35:24Z"},{"alias_kind":"pith_short_16","alias_value":"5RBA744QHIFID644","created_at":"2026-07-05T01:35:24Z"},{"alias_kind":"pith_short_8","alias_value":"5RBA744Q","created_at":"2026-07-05T01:35:24Z"}],"graph_snapshots":[{"event_id":"sha256:19844a5f1ebd4e1fdd0666b2dce394dfa436e70c5f34bcc10b5d8dac78e92eda","target":"graph","created_at":"2026-07-05T01:35:24Z","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/1907.05050/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper concerns the problem of adaptive output regulation for multivariable nonlinear systems in normal form. We present a regulator employing an adaptive internal model of the exogenous signals based on the theory of nonlinear Luenberger observers. Adaptation is performed by means of discrete-time system identification schemes, in which every algorithm fulfilling some optimality and stability conditions can be used. Practical and approximate regulation results are given relating the prediction capabilities of the identified model to the asymptotic bound on the regulated variables, which b","authors_text":"Lorenzo Marconi, Michelangelo Bin, Pauline Bernard","cross_cats":["cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2019-07-11T08:42:44Z","title":"Approximate Nonlinear Regulation via Identification-Based Adaptive Internal Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.05050","kind":"arxiv","version":3},"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:a2db7ba195f51dddf17a900cefd7ab05503630fbe5468c69ca768dffc1a151be","target":"record","created_at":"2026-07-05T01:35:24Z","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":"3fe41731cee6a63e687af69837992295f45910f7cd7213fdeb2898b0bfb44381","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2019-07-11T08:42:44Z","title_canon_sha256":"c88c3ed8a762406742ca48890f3e93507a62558825c888c53ce6c75e52c08d0b"},"schema_version":"1.0","source":{"id":"1907.05050","kind":"arxiv","version":3}},"canonical_sha256":"ec420ff3903a0a81fb9cbf8d4c542866ad2b51410051e1115e138fb3ac887e35","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec420ff3903a0a81fb9cbf8d4c542866ad2b51410051e1115e138fb3ac887e35","first_computed_at":"2026-07-05T01:35:24.340387Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:35:24.340387Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wvgnpx+4ZObNLQqz7/rSqRVGippmwBofYlHCMZLuwh0UGXTjh91dnAjzBsSuCdvkNEnbukNKzLR30qbq58uFAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:35:24.340843Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.05050","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2db7ba195f51dddf17a900cefd7ab05503630fbe5468c69ca768dffc1a151be","sha256:19844a5f1ebd4e1fdd0666b2dce394dfa436e70c5f34bcc10b5d8dac78e92eda"],"state_sha256":"e968dab7f916a13433a9b8513a4c39f3811ae94e8f9dcdafaa99f002f02b82cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"la7DmTLCH0zLkcYa7aisJEn/D5PWC38Gv8OqQk/Ex11QGCbHvdmnVuClASIl10O57KnORFg/V692tsDgR/kCCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T08:07:50.106567Z","bundle_sha256":"bbafedc91d2b7b54b064d56add8495c44c0fc08b23acc3ab77c57367baf74037"}}