{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:5MCKGCRGFDYKWCN3SVYHWA4KI5","short_pith_number":"pith:5MCKGCRG","canonical_record":{"source":{"id":"1702.06695","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2017-02-22T07:34:30Z","cross_cats_sorted":[],"title_canon_sha256":"74e97049a0e7141d5a7f225155e2b33a73c5c3eb46a0756f005e0f232f821b8e","abstract_canon_sha256":"302f796b4d79a957a869836628d6f781a968d16c922685a97468f424d1dbaa71"},"schema_version":"1.0"},"canonical_sha256":"eb04a30a2628f0ab09bb95707b038a47517fc2a866bb5d021f24510b6c7a98bc","source":{"kind":"arxiv","id":"1702.06695","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.06695","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"arxiv_version","alias_value":"1702.06695v1","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.06695","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"pith_short_12","alias_value":"5MCKGCRGFDYK","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5MCKGCRGFDYKWCN3","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5MCKGCRG","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:5MCKGCRGFDYKWCN3SVYHWA4KI5","target":"record","payload":{"canonical_record":{"source":{"id":"1702.06695","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2017-02-22T07:34:30Z","cross_cats_sorted":[],"title_canon_sha256":"74e97049a0e7141d5a7f225155e2b33a73c5c3eb46a0756f005e0f232f821b8e","abstract_canon_sha256":"302f796b4d79a957a869836628d6f781a968d16c922685a97468f424d1dbaa71"},"schema_version":"1.0"},"canonical_sha256":"eb04a30a2628f0ab09bb95707b038a47517fc2a866bb5d021f24510b6c7a98bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:50:12.919663Z","signature_b64":"Y43uz6hllLzqFyl7WheRiArHzRag6dGzT8lyVZOreZvmD9O0v5Y7wVLSe3+s3SNxcFo7ayk8Lt7O41ibJjkYBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb04a30a2628f0ab09bb95707b038a47517fc2a866bb5d021f24510b6c7a98bc","last_reissued_at":"2026-05-18T00:50:12.919232Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:50:12.919232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.06695","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":"2026-05-18T00:50:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iDjUJLHD7UQQixhiaJFBjoIgm/DRBXPAgGuPeIGqMP9kTgt90wV6vsVexZ5ORuEvAZ/8ijbNokK5A3KSd2KfDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:38:53.619290Z"},"content_sha256":"848c9f678882499d491decdb32037b987d59289b2c84dca8b877cb8a11f94161","schema_version":"1.0","event_id":"sha256:848c9f678882499d491decdb32037b987d59289b2c84dca8b877cb8a11f94161"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:5MCKGCRGFDYKWCN3SVYHWA4KI5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Retrofitting-based Supplementary Controller Design for Enhancing Damping Performance of Wind Power Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Aranya Chakrabortty, Jun-ichi Imura, Takayuki Ishizaki, Tomonori Sadamoto","submitted_at":"2017-02-22T07:34:30Z","abstract_excerpt":"In this paper we address the growing concerns of wind power integration from the perspective of power system dynamics and stability. We propose a new retrofit control technique where an additional controller is designed at the doubly-fed induction generator site inside the wind power plant. This controller cancels the adverse impacts of the power flow from the wind side to the grid side on the dynamics of the overall power system. The main advantage of this controller is that it can be implemented by feeding back only the wind states and wind bus voltage without depending on any of the other s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.06695","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":"2026-05-18T00:50:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZofjAF6/Dl+6s0ts76MH0n1NTzzGKEvtD/KHPxQODVkqw6ZFGOPR1bK3gJyqTP9m0CpLl4pwp0VAxrn7Xw1VBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:38:53.619666Z"},"content_sha256":"35c8d8d33f249a55c9d91eb039ac4875900d00dd0da9455d6876811377ce8f2b","schema_version":"1.0","event_id":"sha256:35c8d8d33f249a55c9d91eb039ac4875900d00dd0da9455d6876811377ce8f2b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5MCKGCRGFDYKWCN3SVYHWA4KI5/bundle.json","state_url":"https://pith.science/pith/5MCKGCRGFDYKWCN3SVYHWA4KI5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5MCKGCRGFDYKWCN3SVYHWA4KI5/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":"2026-06-01T04:38:53Z","links":{"resolver":"https://pith.science/pith/5MCKGCRGFDYKWCN3SVYHWA4KI5","bundle":"https://pith.science/pith/5MCKGCRGFDYKWCN3SVYHWA4KI5/bundle.json","state":"https://pith.science/pith/5MCKGCRGFDYKWCN3SVYHWA4KI5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5MCKGCRGFDYKWCN3SVYHWA4KI5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:5MCKGCRGFDYKWCN3SVYHWA4KI5","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":"302f796b4d79a957a869836628d6f781a968d16c922685a97468f424d1dbaa71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2017-02-22T07:34:30Z","title_canon_sha256":"74e97049a0e7141d5a7f225155e2b33a73c5c3eb46a0756f005e0f232f821b8e"},"schema_version":"1.0","source":{"id":"1702.06695","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.06695","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"arxiv_version","alias_value":"1702.06695v1","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.06695","created_at":"2026-05-18T00:50:12Z"},{"alias_kind":"pith_short_12","alias_value":"5MCKGCRGFDYK","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5MCKGCRGFDYKWCN3","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5MCKGCRG","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:35c8d8d33f249a55c9d91eb039ac4875900d00dd0da9455d6876811377ce8f2b","target":"graph","created_at":"2026-05-18T00:50:12Z","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":"In this paper we address the growing concerns of wind power integration from the perspective of power system dynamics and stability. We propose a new retrofit control technique where an additional controller is designed at the doubly-fed induction generator site inside the wind power plant. This controller cancels the adverse impacts of the power flow from the wind side to the grid side on the dynamics of the overall power system. The main advantage of this controller is that it can be implemented by feeding back only the wind states and wind bus voltage without depending on any of the other s","authors_text":"Aranya Chakrabortty, Jun-ichi Imura, Takayuki Ishizaki, Tomonori Sadamoto","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2017-02-22T07:34:30Z","title":"A Retrofitting-based Supplementary Controller Design for Enhancing Damping Performance of Wind Power Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.06695","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":"sha256:848c9f678882499d491decdb32037b987d59289b2c84dca8b877cb8a11f94161","target":"record","created_at":"2026-05-18T00:50:12Z","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":"302f796b4d79a957a869836628d6f781a968d16c922685a97468f424d1dbaa71","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2017-02-22T07:34:30Z","title_canon_sha256":"74e97049a0e7141d5a7f225155e2b33a73c5c3eb46a0756f005e0f232f821b8e"},"schema_version":"1.0","source":{"id":"1702.06695","kind":"arxiv","version":1}},"canonical_sha256":"eb04a30a2628f0ab09bb95707b038a47517fc2a866bb5d021f24510b6c7a98bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb04a30a2628f0ab09bb95707b038a47517fc2a866bb5d021f24510b6c7a98bc","first_computed_at":"2026-05-18T00:50:12.919232Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:50:12.919232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y43uz6hllLzqFyl7WheRiArHzRag6dGzT8lyVZOreZvmD9O0v5Y7wVLSe3+s3SNxcFo7ayk8Lt7O41ibJjkYBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:50:12.919663Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.06695","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:848c9f678882499d491decdb32037b987d59289b2c84dca8b877cb8a11f94161","sha256:35c8d8d33f249a55c9d91eb039ac4875900d00dd0da9455d6876811377ce8f2b"],"state_sha256":"4e20c887379ca0ad6d10fa1ee4c7b3c8953514e37826d79302fa68bcbbd041f1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iLpU81gvYSQfAuZ7afEYYdF7yNCCnZiv5PSShPsGmeJMv2hvfDVKMvTCccs4C8Ual8XGmQKgQVPcbKGnksonDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T04:38:53.621758Z","bundle_sha256":"a63dc57c59adbe91b0f0a1d621d56f635502d16f1a1ada2c2c31dec564debe80"}}