{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:67FHPWZ373X3F7KPVATBDSNC22","short_pith_number":"pith:67FHPWZ3","canonical_record":{"source":{"id":"1907.02314","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"eess.SY","submitted_at":"2019-07-04T10:15:40Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"1897c9c852284799ae12c411dd86d0c9f0664b53548f2e5d043ea98a3f0ea179","abstract_canon_sha256":"9461858c2c6f18feed5ac5adecd851fdba4f8aca6f47527b511d887b9f823df5"},"schema_version":"1.0"},"canonical_sha256":"f7ca77db3bfeefb2fd4fa82611c9a2d69692832af915edbce5a4c20abeb81e93","source":{"kind":"arxiv","id":"1907.02314","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.02314","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"arxiv_version","alias_value":"1907.02314v1","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02314","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"pith_short_12","alias_value":"67FHPWZ373X3","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"67FHPWZ373X3F7KP","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"67FHPWZ3","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:67FHPWZ373X3F7KPVATBDSNC22","target":"record","payload":{"canonical_record":{"source":{"id":"1907.02314","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"eess.SY","submitted_at":"2019-07-04T10:15:40Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"1897c9c852284799ae12c411dd86d0c9f0664b53548f2e5d043ea98a3f0ea179","abstract_canon_sha256":"9461858c2c6f18feed5ac5adecd851fdba4f8aca6f47527b511d887b9f823df5"},"schema_version":"1.0"},"canonical_sha256":"f7ca77db3bfeefb2fd4fa82611c9a2d69692832af915edbce5a4c20abeb81e93","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:29.015495Z","signature_b64":"RymVXxrH+CCUAyTwJnOrpjM2nMn/Rmllyl0eeDnIqfV7g3/5YSIAr2XjNm8Ey7NNQDPc+Ffh/uFb4Xo8WQtEAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f7ca77db3bfeefb2fd4fa82611c9a2d69692832af915edbce5a4c20abeb81e93","last_reissued_at":"2026-05-17T23:41:29.014839Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:29.014839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.02314","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":"2026-05-17T23:41:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TTdwbaslIAxqdq4vYsIXhoklZ1FcZMcRs43xVD4TeTnwJZGVvJjb+ub2fxJD3LdaHB8a9/JWmaIPxjUYQZkJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:54:02.574790Z"},"content_sha256":"9fd3bb3c6114b6dada67a7a1d26c2852e03820d85f096d665bce065370508813","schema_version":"1.0","event_id":"sha256:9fd3bb3c6114b6dada67a7a1d26c2852e03820d85f096d665bce065370508813"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:67FHPWZ373X3F7KPVATBDSNC22","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A novel passivity based controller for a piezoelectric beam","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Jacquelien M.A. Scherpen, Krishna Chaitanya Kosaraju, Matthijs C. de Jong","submitted_at":"2019-07-04T10:15:40Z","abstract_excerpt":"This paper presents a new passivity property for distributed piezoelectric devices with integrable port-variables. We present two new control methodologies by exploiting the integrability property of the port-variables. The derived controllers have a Proportional-Integral (PI) like structure. Finally, we present the simulation results and in-depth analysis on the tuning gains explaining their transient and steady-state behaviors."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02314","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":""},"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":"2026-05-17T23:41:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9exS5gkw9OlOq2aemb407A9QXePJ6cOgsvHJDpU1/+Vb/kyQg0UtPjoz8GcfnANUHNFy0CmfpFld387Te8fJDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:54:02.575391Z"},"content_sha256":"df67b840fcf12a5c9b1b58d55e57e252af97bb9d08a2874597e6118648fcb6bb","schema_version":"1.0","event_id":"sha256:df67b840fcf12a5c9b1b58d55e57e252af97bb9d08a2874597e6118648fcb6bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/67FHPWZ373X3F7KPVATBDSNC22/bundle.json","state_url":"https://pith.science/pith/67FHPWZ373X3F7KPVATBDSNC22/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/67FHPWZ373X3F7KPVATBDSNC22/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":"2026-05-29T19:54:02Z","links":{"resolver":"https://pith.science/pith/67FHPWZ373X3F7KPVATBDSNC22","bundle":"https://pith.science/pith/67FHPWZ373X3F7KPVATBDSNC22/bundle.json","state":"https://pith.science/pith/67FHPWZ373X3F7KPVATBDSNC22/state.json","well_known_bundle":"https://pith.science/.well-known/pith/67FHPWZ373X3F7KPVATBDSNC22/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:67FHPWZ373X3F7KPVATBDSNC22","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":"9461858c2c6f18feed5ac5adecd851fdba4f8aca6f47527b511d887b9f823df5","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"eess.SY","submitted_at":"2019-07-04T10:15:40Z","title_canon_sha256":"1897c9c852284799ae12c411dd86d0c9f0664b53548f2e5d043ea98a3f0ea179"},"schema_version":"1.0","source":{"id":"1907.02314","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.02314","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"arxiv_version","alias_value":"1907.02314v1","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.02314","created_at":"2026-05-17T23:41:29Z"},{"alias_kind":"pith_short_12","alias_value":"67FHPWZ373X3","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"67FHPWZ373X3F7KP","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"67FHPWZ3","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:df67b840fcf12a5c9b1b58d55e57e252af97bb9d08a2874597e6118648fcb6bb","target":"graph","created_at":"2026-05-17T23:41:29Z","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"},"paper":{"abstract_excerpt":"This paper presents a new passivity property for distributed piezoelectric devices with integrable port-variables. We present two new control methodologies by exploiting the integrability property of the port-variables. The derived controllers have a Proportional-Integral (PI) like structure. Finally, we present the simulation results and in-depth analysis on the tuning gains explaining their transient and steady-state behaviors.","authors_text":"Jacquelien M.A. Scherpen, Krishna Chaitanya Kosaraju, Matthijs C. de Jong","cross_cats":["cs.SY"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"eess.SY","submitted_at":"2019-07-04T10:15:40Z","title":"A novel passivity based controller for a piezoelectric beam"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.02314","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":"sha256:9fd3bb3c6114b6dada67a7a1d26c2852e03820d85f096d665bce065370508813","target":"record","created_at":"2026-05-17T23:41:29Z","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":"9461858c2c6f18feed5ac5adecd851fdba4f8aca6f47527b511d887b9f823df5","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"eess.SY","submitted_at":"2019-07-04T10:15:40Z","title_canon_sha256":"1897c9c852284799ae12c411dd86d0c9f0664b53548f2e5d043ea98a3f0ea179"},"schema_version":"1.0","source":{"id":"1907.02314","kind":"arxiv","version":1}},"canonical_sha256":"f7ca77db3bfeefb2fd4fa82611c9a2d69692832af915edbce5a4c20abeb81e93","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7ca77db3bfeefb2fd4fa82611c9a2d69692832af915edbce5a4c20abeb81e93","first_computed_at":"2026-05-17T23:41:29.014839Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:29.014839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RymVXxrH+CCUAyTwJnOrpjM2nMn/Rmllyl0eeDnIqfV7g3/5YSIAr2XjNm8Ey7NNQDPc+Ffh/uFb4Xo8WQtEAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:29.015495Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.02314","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9fd3bb3c6114b6dada67a7a1d26c2852e03820d85f096d665bce065370508813","sha256:df67b840fcf12a5c9b1b58d55e57e252af97bb9d08a2874597e6118648fcb6bb"],"state_sha256":"e82e1b672727807fb533964f971fc021a5c34e10b151c788e51795b859ff066d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iK86TKqHrUphhMGSvRxQkH+aVPG6UzOXwaSn7MnPjjY2KCnbc8wVYFt6xQpwWCZU/X3wqy56DZqNX6fwbxDpBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T19:54:02.578477Z","bundle_sha256":"494755c14637b8f073672667b661fa8b9e69bfa6520fe3b0971d65f228884eeb"}}