{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:SF26IGV7PW4TTDZHUPZ7HBHMIN","short_pith_number":"pith:SF26IGV7","canonical_record":{"source":{"id":"2307.00819","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2023-07-03T07:57:41Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"72bddf2e5983a4ea948fadc79ab2b958f8e37d0e9470d2176426d564ae8f5d0d","abstract_canon_sha256":"377d8acd13091194de444ec048dc6f122191258f554cf18b3cb23a44808133f3"},"schema_version":"1.0"},"canonical_sha256":"9175e41abf7db9398f27a3f3f384ec4359a59a373e79b53c03808b4a1cceebf4","source":{"kind":"arxiv","id":"2307.00819","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.00819","created_at":"2026-07-05T06:58:11Z"},{"alias_kind":"arxiv_version","alias_value":"2307.00819v3","created_at":"2026-07-05T06:58:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.00819","created_at":"2026-07-05T06:58:11Z"},{"alias_kind":"pith_short_12","alias_value":"SF26IGV7PW4T","created_at":"2026-07-05T06:58:11Z"},{"alias_kind":"pith_short_16","alias_value":"SF26IGV7PW4TTDZH","created_at":"2026-07-05T06:58:11Z"},{"alias_kind":"pith_short_8","alias_value":"SF26IGV7","created_at":"2026-07-05T06:58:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:SF26IGV7PW4TTDZHUPZ7HBHMIN","target":"record","payload":{"canonical_record":{"source":{"id":"2307.00819","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2023-07-03T07:57:41Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"72bddf2e5983a4ea948fadc79ab2b958f8e37d0e9470d2176426d564ae8f5d0d","abstract_canon_sha256":"377d8acd13091194de444ec048dc6f122191258f554cf18b3cb23a44808133f3"},"schema_version":"1.0"},"canonical_sha256":"9175e41abf7db9398f27a3f3f384ec4359a59a373e79b53c03808b4a1cceebf4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:58:11.556917Z","signature_b64":"LQmO7GjrzmbVW3vOzCthJOEpAt+wN+DnKkClYHuv+9WM9dzMeRD9FbtF4YC1/AUU2kcs+8EfffmBZKG8B9I3Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9175e41abf7db9398f27a3f3f384ec4359a59a373e79b53c03808b4a1cceebf4","last_reissued_at":"2026-07-05T06:58:11.556501Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:58:11.556501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.00819","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":"2026-07-05T06:58:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"APuhK03BtWb+53z/7LTyGgVnYqSCtRrRIgtoaVZdpq5QSXRyD3Le7kmbL/JobsAH0AmcucDw8m5HZXUn/mY9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T14:47:38.292431Z"},"content_sha256":"3d67d7001b4d0e4f099a5fcd94a9345fcc51fefc6b683e5781fa1436541c639d","schema_version":"1.0","event_id":"sha256:3d67d7001b4d0e4f099a5fcd94a9345fcc51fefc6b683e5781fa1436541c639d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:SF26IGV7PW4TTDZHUPZ7HBHMIN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Data-driven Under Frequency Load Shedding Scheme in Power Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Chen Shen, Qianni Cao","submitted_at":"2023-07-03T07:57:41Z","abstract_excerpt":"Under frequency load shedding (UFLS) constitutes the very last resort for preventing total blackouts and cascading events. Fluctuating operating conditions and weak resilience of the future grid require UFLS strategies adapt to various operating conditions and non-envisioned faults. This paper develops a novel data-enabled predictive control algorithm KLS to achieve the optimal one-shot load shedding for power system frequency safety. The algorithm utilizes a latent extractor network to track parameter variations in the system dynamic model, enabling a coordinate transformation from the delay "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.00819","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/2307.00819/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":"2026-07-05T06:58:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c8ZnF9Um0LhWs0yXGq00SEgvn44hT4W3L1kyH0E/E6srcNv0LbWGGNI6R+IpPoKOj/Abcd3J3pxxCQsLT5WtBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-16T14:47:38.292811Z"},"content_sha256":"0bb6394f17b5051d206b17c4489f43c38e9eb110bb77de9e311a051a06d2058f","schema_version":"1.0","event_id":"sha256:0bb6394f17b5051d206b17c4489f43c38e9eb110bb77de9e311a051a06d2058f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SF26IGV7PW4TTDZHUPZ7HBHMIN/bundle.json","state_url":"https://pith.science/pith/SF26IGV7PW4TTDZHUPZ7HBHMIN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SF26IGV7PW4TTDZHUPZ7HBHMIN/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":"2026-07-16T14:47:38Z","links":{"resolver":"https://pith.science/pith/SF26IGV7PW4TTDZHUPZ7HBHMIN","bundle":"https://pith.science/pith/SF26IGV7PW4TTDZHUPZ7HBHMIN/bundle.json","state":"https://pith.science/pith/SF26IGV7PW4TTDZHUPZ7HBHMIN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SF26IGV7PW4TTDZHUPZ7HBHMIN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:SF26IGV7PW4TTDZHUPZ7HBHMIN","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":"377d8acd13091194de444ec048dc6f122191258f554cf18b3cb23a44808133f3","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2023-07-03T07:57:41Z","title_canon_sha256":"72bddf2e5983a4ea948fadc79ab2b958f8e37d0e9470d2176426d564ae8f5d0d"},"schema_version":"1.0","source":{"id":"2307.00819","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.00819","created_at":"2026-07-05T06:58:11Z"},{"alias_kind":"arxiv_version","alias_value":"2307.00819v3","created_at":"2026-07-05T06:58:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.00819","created_at":"2026-07-05T06:58:11Z"},{"alias_kind":"pith_short_12","alias_value":"SF26IGV7PW4T","created_at":"2026-07-05T06:58:11Z"},{"alias_kind":"pith_short_16","alias_value":"SF26IGV7PW4TTDZH","created_at":"2026-07-05T06:58:11Z"},{"alias_kind":"pith_short_8","alias_value":"SF26IGV7","created_at":"2026-07-05T06:58:11Z"}],"graph_snapshots":[{"event_id":"sha256:0bb6394f17b5051d206b17c4489f43c38e9eb110bb77de9e311a051a06d2058f","target":"graph","created_at":"2026-07-05T06:58:11Z","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/2307.00819/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Under frequency load shedding (UFLS) constitutes the very last resort for preventing total blackouts and cascading events. Fluctuating operating conditions and weak resilience of the future grid require UFLS strategies adapt to various operating conditions and non-envisioned faults. This paper develops a novel data-enabled predictive control algorithm KLS to achieve the optimal one-shot load shedding for power system frequency safety. The algorithm utilizes a latent extractor network to track parameter variations in the system dynamic model, enabling a coordinate transformation from the delay ","authors_text":"Chen Shen, Qianni Cao","cross_cats":["cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2023-07-03T07:57:41Z","title":"A Data-driven Under Frequency Load Shedding Scheme in Power Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.00819","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":"sha256:3d67d7001b4d0e4f099a5fcd94a9345fcc51fefc6b683e5781fa1436541c639d","target":"record","created_at":"2026-07-05T06:58:11Z","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":"377d8acd13091194de444ec048dc6f122191258f554cf18b3cb23a44808133f3","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2023-07-03T07:57:41Z","title_canon_sha256":"72bddf2e5983a4ea948fadc79ab2b958f8e37d0e9470d2176426d564ae8f5d0d"},"schema_version":"1.0","source":{"id":"2307.00819","kind":"arxiv","version":3}},"canonical_sha256":"9175e41abf7db9398f27a3f3f384ec4359a59a373e79b53c03808b4a1cceebf4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9175e41abf7db9398f27a3f3f384ec4359a59a373e79b53c03808b4a1cceebf4","first_computed_at":"2026-07-05T06:58:11.556501Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:58:11.556501Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LQmO7GjrzmbVW3vOzCthJOEpAt+wN+DnKkClYHuv+9WM9dzMeRD9FbtF4YC1/AUU2kcs+8EfffmBZKG8B9I3Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:58:11.556917Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.00819","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d67d7001b4d0e4f099a5fcd94a9345fcc51fefc6b683e5781fa1436541c639d","sha256:0bb6394f17b5051d206b17c4489f43c38e9eb110bb77de9e311a051a06d2058f"],"state_sha256":"b67d06b1f0b2939f4a0ac40fd1e82560897727bac0d333c1443b8640d9047d77"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eJ87MnwQGqKuvwFGNUASDyzX3dA7qyGcmvKJOJ+b5OjyuTAqR+dKqJdBGaufp2kib6iWsMU9R3r4gtKKFZtmBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-16T14:47:38.294990Z","bundle_sha256":"00dbf4f91964860ca972c6c54865a65d9ec65c966196a980afca446bdc6d880d"}}