{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:D45LPXQU4GWOOU5PPP6DLF5XVK","short_pith_number":"pith:D45LPXQU","canonical_record":{"source":{"id":"1809.05642","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-09-15T03:36:59Z","cross_cats_sorted":[],"title_canon_sha256":"60d2c2d9fb3b33f136181b75581457e6ac990f5c9b83bd44f4a3b95cb2db5f09","abstract_canon_sha256":"e5642eeda06aeeffb3265c76f723860babea42608c903d58848eb1b16d127bd4"},"schema_version":"1.0"},"canonical_sha256":"1f3ab7de14e1ace753af7bfc3597b7aabc126e994505f4c9d909bde97b9001e4","source":{"kind":"arxiv","id":"1809.05642","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.05642","created_at":"2026-05-18T00:05:40Z"},{"alias_kind":"arxiv_version","alias_value":"1809.05642v1","created_at":"2026-05-18T00:05:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.05642","created_at":"2026-05-18T00:05:40Z"},{"alias_kind":"pith_short_12","alias_value":"D45LPXQU4GWO","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"D45LPXQU4GWOOU5P","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"D45LPXQU","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:D45LPXQU4GWOOU5PPP6DLF5XVK","target":"record","payload":{"canonical_record":{"source":{"id":"1809.05642","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-09-15T03:36:59Z","cross_cats_sorted":[],"title_canon_sha256":"60d2c2d9fb3b33f136181b75581457e6ac990f5c9b83bd44f4a3b95cb2db5f09","abstract_canon_sha256":"e5642eeda06aeeffb3265c76f723860babea42608c903d58848eb1b16d127bd4"},"schema_version":"1.0"},"canonical_sha256":"1f3ab7de14e1ace753af7bfc3597b7aabc126e994505f4c9d909bde97b9001e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:40.377408Z","signature_b64":"WwUJS4C068+BEv+WRv7r+cDQx1au465L18P/I8OKbzKn3tK3tZBu08ef28sa2H98/MbC3uZsruHgmUDSxuwaCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f3ab7de14e1ace753af7bfc3597b7aabc126e994505f4c9d909bde97b9001e4","last_reissued_at":"2026-05-18T00:05:40.376953Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:40.376953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.05642","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":"2026-05-18T00:05:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7R+Fe9w2YML51y94+YdfK+BvOvY8K/HzWeWdHEGjehdSySTljnSgXHeHc+Y1DF6w7beU4WREQPyVOoW2YGiQBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T06:06:49.309426Z"},"content_sha256":"4614e7f038689e5accbb8554bc4aa42b00289fce5ed7cdef137901f6327e088d","schema_version":"1.0","event_id":"sha256:4614e7f038689e5accbb8554bc4aa42b00289fce5ed7cdef137901f6327e088d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:D45LPXQU4GWOOU5PPP6DLF5XVK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distributed Transient Frequency Control for Power Networks with Stability and Performance Guarantees","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Jorge Cortes, Yifu Zhang","submitted_at":"2018-09-15T03:36:59Z","abstract_excerpt":"This paper proposes a distributed strategy regulated on a subset of individual buses in a power network described by the swing equations to achieve transient frequency control while preserving asymptotic stability. Transient frequency control refers to the ability to maintain the transient frequency of each bus of interest in a given safe region, provided it is initially in it, and ii) if it is initially not, then drive the frequency to converge to this region within a finite time, with a guaranteed convergence rate. Building on Lyapunov stability and set invariance theory, we formulate the st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.05642","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":"2026-05-18T00:05:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UszwEb1/HvYHnovsvGOnInzPdjLTWBq/6HF+4jpxHtzsK7B8EN3szjD1Eds2+FdBPi8MSTC5oU/fS2aa+aa/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T06:06:49.309950Z"},"content_sha256":"50fbbf4bbf1fab8ba3adb10c2bcafa01e94a9f90a91671167f33d3889e056e3b","schema_version":"1.0","event_id":"sha256:50fbbf4bbf1fab8ba3adb10c2bcafa01e94a9f90a91671167f33d3889e056e3b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D45LPXQU4GWOOU5PPP6DLF5XVK/bundle.json","state_url":"https://pith.science/pith/D45LPXQU4GWOOU5PPP6DLF5XVK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D45LPXQU4GWOOU5PPP6DLF5XVK/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":"2026-05-24T06:06:49Z","links":{"resolver":"https://pith.science/pith/D45LPXQU4GWOOU5PPP6DLF5XVK","bundle":"https://pith.science/pith/D45LPXQU4GWOOU5PPP6DLF5XVK/bundle.json","state":"https://pith.science/pith/D45LPXQU4GWOOU5PPP6DLF5XVK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D45LPXQU4GWOOU5PPP6DLF5XVK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:D45LPXQU4GWOOU5PPP6DLF5XVK","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":"e5642eeda06aeeffb3265c76f723860babea42608c903d58848eb1b16d127bd4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-09-15T03:36:59Z","title_canon_sha256":"60d2c2d9fb3b33f136181b75581457e6ac990f5c9b83bd44f4a3b95cb2db5f09"},"schema_version":"1.0","source":{"id":"1809.05642","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.05642","created_at":"2026-05-18T00:05:40Z"},{"alias_kind":"arxiv_version","alias_value":"1809.05642v1","created_at":"2026-05-18T00:05:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.05642","created_at":"2026-05-18T00:05:40Z"},{"alias_kind":"pith_short_12","alias_value":"D45LPXQU4GWO","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"D45LPXQU4GWOOU5P","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"D45LPXQU","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:50fbbf4bbf1fab8ba3adb10c2bcafa01e94a9f90a91671167f33d3889e056e3b","target":"graph","created_at":"2026-05-18T00:05:40Z","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 proposes a distributed strategy regulated on a subset of individual buses in a power network described by the swing equations to achieve transient frequency control while preserving asymptotic stability. Transient frequency control refers to the ability to maintain the transient frequency of each bus of interest in a given safe region, provided it is initially in it, and ii) if it is initially not, then drive the frequency to converge to this region within a finite time, with a guaranteed convergence rate. Building on Lyapunov stability and set invariance theory, we formulate the st","authors_text":"Jorge Cortes, Yifu Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-09-15T03:36:59Z","title":"Distributed Transient Frequency Control for Power Networks with Stability and Performance Guarantees"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.05642","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":"sha256:4614e7f038689e5accbb8554bc4aa42b00289fce5ed7cdef137901f6327e088d","target":"record","created_at":"2026-05-18T00:05:40Z","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":"e5642eeda06aeeffb3265c76f723860babea42608c903d58848eb1b16d127bd4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-09-15T03:36:59Z","title_canon_sha256":"60d2c2d9fb3b33f136181b75581457e6ac990f5c9b83bd44f4a3b95cb2db5f09"},"schema_version":"1.0","source":{"id":"1809.05642","kind":"arxiv","version":1}},"canonical_sha256":"1f3ab7de14e1ace753af7bfc3597b7aabc126e994505f4c9d909bde97b9001e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1f3ab7de14e1ace753af7bfc3597b7aabc126e994505f4c9d909bde97b9001e4","first_computed_at":"2026-05-18T00:05:40.376953Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:40.376953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WwUJS4C068+BEv+WRv7r+cDQx1au465L18P/I8OKbzKn3tK3tZBu08ef28sa2H98/MbC3uZsruHgmUDSxuwaCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:40.377408Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.05642","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4614e7f038689e5accbb8554bc4aa42b00289fce5ed7cdef137901f6327e088d","sha256:50fbbf4bbf1fab8ba3adb10c2bcafa01e94a9f90a91671167f33d3889e056e3b"],"state_sha256":"2db42bde955e5e41028850b7ae2c3f534db20e9813fef5c5f2feb88b1d5bc74d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F6eTf/5pHAPPS56jCOBeoE4kzHiGCTRcgSF2y5jA5L+KZ0pC+wpV1xL8epdpK13EmBEWFNr3zOR7/kcIkBopBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T06:06:49.313024Z","bundle_sha256":"05ab8478b3978416001756f7ea88fc6ba7f7786b73b1057d2b2f8b7fb72d24ec"}}