{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:NMEIUQHQRSI72BYP3KGG3QI5CC","short_pith_number":"pith:NMEIUQHQ","canonical_record":{"source":{"id":"2111.04555","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-11-08T15:12:23Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"f9a4a0474a5c1cb00f43b06de359c9bdb4c1fc932abeb3e7dfad4445ba659676","abstract_canon_sha256":"d60ce7f33657514f8116a8d8a5c601afeddba32be4febd2d78759e10e197ddb2"},"schema_version":"1.0"},"canonical_sha256":"6b088a40f08c91fd070fda8c6dc11d10b43befff47400060884999ed3df8ae55","source":{"kind":"arxiv","id":"2111.04555","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.04555","created_at":"2026-07-05T03:30:01Z"},{"alias_kind":"arxiv_version","alias_value":"2111.04555v1","created_at":"2026-07-05T03:30:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.04555","created_at":"2026-07-05T03:30:01Z"},{"alias_kind":"pith_short_12","alias_value":"NMEIUQHQRSI7","created_at":"2026-07-05T03:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"NMEIUQHQRSI72BYP","created_at":"2026-07-05T03:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"NMEIUQHQ","created_at":"2026-07-05T03:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:NMEIUQHQRSI72BYP3KGG3QI5CC","target":"record","payload":{"canonical_record":{"source":{"id":"2111.04555","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-11-08T15:12:23Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"f9a4a0474a5c1cb00f43b06de359c9bdb4c1fc932abeb3e7dfad4445ba659676","abstract_canon_sha256":"d60ce7f33657514f8116a8d8a5c601afeddba32be4febd2d78759e10e197ddb2"},"schema_version":"1.0"},"canonical_sha256":"6b088a40f08c91fd070fda8c6dc11d10b43befff47400060884999ed3df8ae55","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:30:01.319649Z","signature_b64":"sVAHmhB+dNmIqqtcM0N9Bsgglwo7QBtOiTs6kQFxTBk6+p1immEMXCkMp4+wryqTa/RqlbztbfGlP+OT1T1kCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b088a40f08c91fd070fda8c6dc11d10b43befff47400060884999ed3df8ae55","last_reissued_at":"2026-07-05T03:30:01.319053Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:30:01.319053Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.04555","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":"2026-07-05T03:30:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EK0+wsQFsDJRc0kX3/bFDMPZUpeImAFwjZ+fTm9lDrR0czgI1IMwOkQyi89eRGUKmf4as92M/GmJG6bDAXY4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T14:47:57.817385Z"},"content_sha256":"e806de3e1a58c0c8b0e022d44886c6a89b73437821a19b65c9a45be557554194","schema_version":"1.0","event_id":"sha256:e806de3e1a58c0c8b0e022d44886c6a89b73437821a19b65c9a45be557554194"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:NMEIUQHQRSI72BYP3KGG3QI5CC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Decentralized Coordinated State Estimation in Integrated Transmission and Distribution Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Jianhui Wang, Tianqiao Zhao, Yanbo Chen, Ying Zhang, Yue Meng","submitted_at":"2021-11-08T15:12:23Z","abstract_excerpt":"Current transmission and distribution system states are mostly unobservable to each other, and state estimation is separately conducted in the two systems owing to the differences in network structures and analytical models. The large-scale integration of transmission and active distribution systems calls for an effective solution to global state estimation. Unlike existing independent state estimation methods on both levels of these systems, we propose a decentralized coordinated transmission and distribution system state estimation (C-TDSE) method. This method enables accurate monitoring of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.04555","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/2111.04555/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":"2026-07-05T03:30:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mYM83zU/vS4Jbvmy9Eqy/Ib36rsKb1+hPjare1LcVcPQh4LCgaOjSeUNftayZAD5rVeck3hcnyqeXug7XdFKAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T14:47:57.817932Z"},"content_sha256":"ac4c3d8c38d34219e3ba73ccae7955590bb702c57d74ec422dee1b207f19e6f4","schema_version":"1.0","event_id":"sha256:ac4c3d8c38d34219e3ba73ccae7955590bb702c57d74ec422dee1b207f19e6f4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NMEIUQHQRSI72BYP3KGG3QI5CC/bundle.json","state_url":"https://pith.science/pith/NMEIUQHQRSI72BYP3KGG3QI5CC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NMEIUQHQRSI72BYP3KGG3QI5CC/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":"2026-08-10T14:47:57Z","links":{"resolver":"https://pith.science/pith/NMEIUQHQRSI72BYP3KGG3QI5CC","bundle":"https://pith.science/pith/NMEIUQHQRSI72BYP3KGG3QI5CC/bundle.json","state":"https://pith.science/pith/NMEIUQHQRSI72BYP3KGG3QI5CC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NMEIUQHQRSI72BYP3KGG3QI5CC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:NMEIUQHQRSI72BYP3KGG3QI5CC","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":"d60ce7f33657514f8116a8d8a5c601afeddba32be4febd2d78759e10e197ddb2","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-11-08T15:12:23Z","title_canon_sha256":"f9a4a0474a5c1cb00f43b06de359c9bdb4c1fc932abeb3e7dfad4445ba659676"},"schema_version":"1.0","source":{"id":"2111.04555","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.04555","created_at":"2026-07-05T03:30:01Z"},{"alias_kind":"arxiv_version","alias_value":"2111.04555v1","created_at":"2026-07-05T03:30:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.04555","created_at":"2026-07-05T03:30:01Z"},{"alias_kind":"pith_short_12","alias_value":"NMEIUQHQRSI7","created_at":"2026-07-05T03:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"NMEIUQHQRSI72BYP","created_at":"2026-07-05T03:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"NMEIUQHQ","created_at":"2026-07-05T03:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:ac4c3d8c38d34219e3ba73ccae7955590bb702c57d74ec422dee1b207f19e6f4","target":"graph","created_at":"2026-07-05T03:30:01Z","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/2111.04555/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Current transmission and distribution system states are mostly unobservable to each other, and state estimation is separately conducted in the two systems owing to the differences in network structures and analytical models. The large-scale integration of transmission and active distribution systems calls for an effective solution to global state estimation. Unlike existing independent state estimation methods on both levels of these systems, we propose a decentralized coordinated transmission and distribution system state estimation (C-TDSE) method. This method enables accurate monitoring of ","authors_text":"Jianhui Wang, Tianqiao Zhao, Yanbo Chen, Ying Zhang, Yue Meng","cross_cats":["cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-11-08T15:12:23Z","title":"Decentralized Coordinated State Estimation in Integrated Transmission and Distribution Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.04555","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:e806de3e1a58c0c8b0e022d44886c6a89b73437821a19b65c9a45be557554194","target":"record","created_at":"2026-07-05T03:30:01Z","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":"d60ce7f33657514f8116a8d8a5c601afeddba32be4febd2d78759e10e197ddb2","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-11-08T15:12:23Z","title_canon_sha256":"f9a4a0474a5c1cb00f43b06de359c9bdb4c1fc932abeb3e7dfad4445ba659676"},"schema_version":"1.0","source":{"id":"2111.04555","kind":"arxiv","version":1}},"canonical_sha256":"6b088a40f08c91fd070fda8c6dc11d10b43befff47400060884999ed3df8ae55","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b088a40f08c91fd070fda8c6dc11d10b43befff47400060884999ed3df8ae55","first_computed_at":"2026-07-05T03:30:01.319053Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:30:01.319053Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sVAHmhB+dNmIqqtcM0N9Bsgglwo7QBtOiTs6kQFxTBk6+p1immEMXCkMp4+wryqTa/RqlbztbfGlP+OT1T1kCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:30:01.319649Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.04555","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e806de3e1a58c0c8b0e022d44886c6a89b73437821a19b65c9a45be557554194","sha256:ac4c3d8c38d34219e3ba73ccae7955590bb702c57d74ec422dee1b207f19e6f4"],"state_sha256":"c798746d52f378b14ba0a901880b07b334e076a73333c9cae8b2a803fcb2e401"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nnDV4USjgz5xLbcWqv/PErUPNOipF0JPF8UyHTmmaMlgFfwqWlbz/RW+iprRVI8cCPyqBFAaXFsNCVyhls/SBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T14:47:57.822965Z","bundle_sha256":"6f021925c186e8058c479740786b74ff1cb8c60ce985ecacdbb0ff6b76d45253"}}