{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:ABI7TKDGBUTVHEPDOMBWTF5CAP","short_pith_number":"pith:ABI7TKDG","canonical_record":{"source":{"id":"2111.00978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-11-01T14:40:53Z","cross_cats_sorted":["cs.SY","eess.SP"],"title_canon_sha256":"9fd4c90239d995ade824a32470d6544a48cdf8f61808f738ee9c6639405df84b","abstract_canon_sha256":"0c6b8c934540afd03d49c5f0251d4cc9a1463a721e0d7941a790b7b41a8ad417"},"schema_version":"1.0"},"canonical_sha256":"0051f9a8660d275391e373036997a203dea8025074f50d61a5c90a67c4cd78c2","source":{"kind":"arxiv","id":"2111.00978","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.00978","created_at":"2026-07-05T03:28:42Z"},{"alias_kind":"arxiv_version","alias_value":"2111.00978v1","created_at":"2026-07-05T03:28:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.00978","created_at":"2026-07-05T03:28:42Z"},{"alias_kind":"pith_short_12","alias_value":"ABI7TKDGBUTV","created_at":"2026-07-05T03:28:42Z"},{"alias_kind":"pith_short_16","alias_value":"ABI7TKDGBUTVHEPD","created_at":"2026-07-05T03:28:42Z"},{"alias_kind":"pith_short_8","alias_value":"ABI7TKDG","created_at":"2026-07-05T03:28:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:ABI7TKDGBUTVHEPDOMBWTF5CAP","target":"record","payload":{"canonical_record":{"source":{"id":"2111.00978","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-11-01T14:40:53Z","cross_cats_sorted":["cs.SY","eess.SP"],"title_canon_sha256":"9fd4c90239d995ade824a32470d6544a48cdf8f61808f738ee9c6639405df84b","abstract_canon_sha256":"0c6b8c934540afd03d49c5f0251d4cc9a1463a721e0d7941a790b7b41a8ad417"},"schema_version":"1.0"},"canonical_sha256":"0051f9a8660d275391e373036997a203dea8025074f50d61a5c90a67c4cd78c2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:28:42.267721Z","signature_b64":"oDSS8Q6Dzn1nGJycB1oMp97+V9Tp6GQG9TBUSgkfRREitrT7AHqKzNLafnLzdMGqHF/9pHnPFlS8hUHzz1YCBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0051f9a8660d275391e373036997a203dea8025074f50d61a5c90a67c4cd78c2","last_reissued_at":"2026-07-05T03:28:42.267361Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:28:42.267361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.00978","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":"2026-07-05T03:28:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CEz1RWCELCz2PKHGFFb8l/tR30uE0Kn7TujEImf+Nxt4Q0kTclyKWIKx405ig4+Z26KGt4Y6EPuIPX/w415eCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T06:56:49.430720Z"},"content_sha256":"6e1d4d1e159909728b7c6a26c5184194ceae5fac7ebaa6c35147f15ed2c73314","schema_version":"1.0","event_id":"sha256:6e1d4d1e159909728b7c6a26c5184194ceae5fac7ebaa6c35147f15ed2c73314"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:ABI7TKDGBUTVHEPDOMBWTF5CAP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A critical review of data-driven transient stability assessment of power systems: principles, prospects and challenges","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY","eess.SP"],"primary_cat":"eess.SY","authors_text":"Shitu Zhang, Yang Li, Zhixun Zhu","submitted_at":"2021-11-01T14:40:53Z","abstract_excerpt":"Transient stability assessment (TSA) has always been a fundamental means for ensuring the secure and stable operation of power systems. Due to the integration of new elements such as power electronics, electric vehicles and renewable power generations, dynamic characteristics of power systems are becoming more and more complex, which makes TSA an increasingly urgent task. Since traditional time-domain simulations and direct method cannot meet the actual operation requirements of power systems, data-driven TSA has attracted growing attention from both academia and industry. This paper makes a c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.00978","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2111.00978/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":"2026-07-05T03:28:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aI6zew2gbKR2ymvwoOnlqB8q5AmkB31FxuIPURsgcx7WryNfjNuoPWnWB153KSntvp4LFIJfSDUSP0QiqeSiDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T06:56:49.431199Z"},"content_sha256":"ec1101615acaa2887ac3e1c60e72e32849544e20742ec9e0a6d1af3abb728140","schema_version":"1.0","event_id":"sha256:ec1101615acaa2887ac3e1c60e72e32849544e20742ec9e0a6d1af3abb728140"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ABI7TKDGBUTVHEPDOMBWTF5CAP/bundle.json","state_url":"https://pith.science/pith/ABI7TKDGBUTVHEPDOMBWTF5CAP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ABI7TKDGBUTVHEPDOMBWTF5CAP/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":"2026-07-24T06:56:49Z","links":{"resolver":"https://pith.science/pith/ABI7TKDGBUTVHEPDOMBWTF5CAP","bundle":"https://pith.science/pith/ABI7TKDGBUTVHEPDOMBWTF5CAP/bundle.json","state":"https://pith.science/pith/ABI7TKDGBUTVHEPDOMBWTF5CAP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ABI7TKDGBUTVHEPDOMBWTF5CAP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ABI7TKDGBUTVHEPDOMBWTF5CAP","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":"0c6b8c934540afd03d49c5f0251d4cc9a1463a721e0d7941a790b7b41a8ad417","cross_cats_sorted":["cs.SY","eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-11-01T14:40:53Z","title_canon_sha256":"9fd4c90239d995ade824a32470d6544a48cdf8f61808f738ee9c6639405df84b"},"schema_version":"1.0","source":{"id":"2111.00978","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.00978","created_at":"2026-07-05T03:28:42Z"},{"alias_kind":"arxiv_version","alias_value":"2111.00978v1","created_at":"2026-07-05T03:28:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.00978","created_at":"2026-07-05T03:28:42Z"},{"alias_kind":"pith_short_12","alias_value":"ABI7TKDGBUTV","created_at":"2026-07-05T03:28:42Z"},{"alias_kind":"pith_short_16","alias_value":"ABI7TKDGBUTVHEPD","created_at":"2026-07-05T03:28:42Z"},{"alias_kind":"pith_short_8","alias_value":"ABI7TKDG","created_at":"2026-07-05T03:28:42Z"}],"graph_snapshots":[{"event_id":"sha256:ec1101615acaa2887ac3e1c60e72e32849544e20742ec9e0a6d1af3abb728140","target":"graph","created_at":"2026-07-05T03:28:42Z","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/2111.00978/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Transient stability assessment (TSA) has always been a fundamental means for ensuring the secure and stable operation of power systems. Due to the integration of new elements such as power electronics, electric vehicles and renewable power generations, dynamic characteristics of power systems are becoming more and more complex, which makes TSA an increasingly urgent task. Since traditional time-domain simulations and direct method cannot meet the actual operation requirements of power systems, data-driven TSA has attracted growing attention from both academia and industry. This paper makes a c","authors_text":"Shitu Zhang, Yang Li, Zhixun Zhu","cross_cats":["cs.SY","eess.SP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-11-01T14:40:53Z","title":"A critical review of data-driven transient stability assessment of power systems: principles, prospects and challenges"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.00978","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":"sha256:6e1d4d1e159909728b7c6a26c5184194ceae5fac7ebaa6c35147f15ed2c73314","target":"record","created_at":"2026-07-05T03:28:42Z","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":"0c6b8c934540afd03d49c5f0251d4cc9a1463a721e0d7941a790b7b41a8ad417","cross_cats_sorted":["cs.SY","eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-11-01T14:40:53Z","title_canon_sha256":"9fd4c90239d995ade824a32470d6544a48cdf8f61808f738ee9c6639405df84b"},"schema_version":"1.0","source":{"id":"2111.00978","kind":"arxiv","version":1}},"canonical_sha256":"0051f9a8660d275391e373036997a203dea8025074f50d61a5c90a67c4cd78c2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0051f9a8660d275391e373036997a203dea8025074f50d61a5c90a67c4cd78c2","first_computed_at":"2026-07-05T03:28:42.267361Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:28:42.267361Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oDSS8Q6Dzn1nGJycB1oMp97+V9Tp6GQG9TBUSgkfRREitrT7AHqKzNLafnLzdMGqHF/9pHnPFlS8hUHzz1YCBw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:28:42.267721Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.00978","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e1d4d1e159909728b7c6a26c5184194ceae5fac7ebaa6c35147f15ed2c73314","sha256:ec1101615acaa2887ac3e1c60e72e32849544e20742ec9e0a6d1af3abb728140"],"state_sha256":"0dd85e37873f2bfc9a8399c91c1344403eadda7f946bdab2f8444673dce23207"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nn2kng8ZGlEqSfMTxJpJSMXBH2ebhatZQYjz1komzuQ7u1ASMRmorQEDZQFGy93tZOprLRTykkaI7WQJOBBlBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-24T06:56:49.435587Z","bundle_sha256":"174cee88417cb77b926d01c15d86ae4e73f474ce9a8bd5441301e0784c9d0e54"}}