{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:PPZWNCBZGMVXZCKDRR7CNZRC54","short_pith_number":"pith:PPZWNCBZ","canonical_record":{"source":{"id":"1810.03337","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-10-08T09:16:22Z","cross_cats_sorted":[],"title_canon_sha256":"c437dd4710bd76c9cfb67e77474088de0b0ffabe6bc7c5a3cad1f75b1d5970a3","abstract_canon_sha256":"aee4cca47c29f9d96dce058b540478de15ff5af43e16d8572be3fcfc24a215dd"},"schema_version":"1.0"},"canonical_sha256":"7bf3668839332b7c89438c7e26e622ef2972c4434951343b068b80387201de72","source":{"kind":"arxiv","id":"1810.03337","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.03337","created_at":"2026-05-18T00:03:44Z"},{"alias_kind":"arxiv_version","alias_value":"1810.03337v2","created_at":"2026-05-18T00:03:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.03337","created_at":"2026-05-18T00:03:44Z"},{"alias_kind":"pith_short_12","alias_value":"PPZWNCBZGMVX","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PPZWNCBZGMVXZCKD","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PPZWNCBZ","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:PPZWNCBZGMVXZCKDRR7CNZRC54","target":"record","payload":{"canonical_record":{"source":{"id":"1810.03337","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-10-08T09:16:22Z","cross_cats_sorted":[],"title_canon_sha256":"c437dd4710bd76c9cfb67e77474088de0b0ffabe6bc7c5a3cad1f75b1d5970a3","abstract_canon_sha256":"aee4cca47c29f9d96dce058b540478de15ff5af43e16d8572be3fcfc24a215dd"},"schema_version":"1.0"},"canonical_sha256":"7bf3668839332b7c89438c7e26e622ef2972c4434951343b068b80387201de72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:44.892815Z","signature_b64":"9NmfClV2P5LyFUq8oKKMTz14yPHBMq73mkB5OybwgXDlCvZ2HKChLAMNpcFOZQME0TsqdkJw23vFlClGPgq+BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7bf3668839332b7c89438c7e26e622ef2972c4434951343b068b80387201de72","last_reissued_at":"2026-05-18T00:03:44.892311Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:44.892311Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.03337","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:03:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dYDA9/Wq6NA+nOp1sTewasgSySRv7LTBbMaFgfBCtJ7UFF8Wpj+O/GDWtVOKseqEdXp1bVNKcdfrqh3H3nDrDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T04:38:52.589436Z"},"content_sha256":"78cb0e9fb4f732bbfabb939b72ac258cc7315c3d4ed901b04fdb3653e8b9a23c","schema_version":"1.0","event_id":"sha256:78cb0e9fb4f732bbfabb939b72ac258cc7315c3d4ed901b04fdb3653e8b9a23c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:PPZWNCBZGMVXZCKDRR7CNZRC54","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Monitoring of Low Voltage Distribution Grid Considering the Neutral Conductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"eess.SP","authors_text":"Andreas Kotsonias, Elias Kyriakides, Lenos Hadjidemetriou, Markos Asprou","submitted_at":"2018-10-08T09:16:22Z","abstract_excerpt":"The most widely used method for monitoring Low Voltage Distribution Grids (LVDGs) is the three phase Weighted Least Squares (WLS) State Estimation (SE), which was initially developed for Medium Voltage Distribution Grids (MVDGs). This methodology is implicitly applied in LVDGs with an assumption that the neutral conductor represents a zero potential across the whole system. However, this assumption is often not valid for LVDGs as the consumers loads are highly asymmetrical and the neutral conductor is usually grounded only at the MV-LV transformer substation. Therefore, if this method is appli"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.03337","kind":"arxiv","version":2},"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":"2026-05-18T00:03:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XcihzhgqObYR6UdzEl+OKXWyvbEQ0TKUiDFFVYNwUunJCBF78N3qTWKC8de95LLONmER+M9EkhKtoVbk9oNvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T04:38:52.589789Z"},"content_sha256":"e8d1888ad754d3c0002eadb782e9409525d51a57cebaaea6d069d10c1125cd75","schema_version":"1.0","event_id":"sha256:e8d1888ad754d3c0002eadb782e9409525d51a57cebaaea6d069d10c1125cd75"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PPZWNCBZGMVXZCKDRR7CNZRC54/bundle.json","state_url":"https://pith.science/pith/PPZWNCBZGMVXZCKDRR7CNZRC54/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PPZWNCBZGMVXZCKDRR7CNZRC54/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":"2026-06-24T04:38:52Z","links":{"resolver":"https://pith.science/pith/PPZWNCBZGMVXZCKDRR7CNZRC54","bundle":"https://pith.science/pith/PPZWNCBZGMVXZCKDRR7CNZRC54/bundle.json","state":"https://pith.science/pith/PPZWNCBZGMVXZCKDRR7CNZRC54/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PPZWNCBZGMVXZCKDRR7CNZRC54/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PPZWNCBZGMVXZCKDRR7CNZRC54","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":"aee4cca47c29f9d96dce058b540478de15ff5af43e16d8572be3fcfc24a215dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-10-08T09:16:22Z","title_canon_sha256":"c437dd4710bd76c9cfb67e77474088de0b0ffabe6bc7c5a3cad1f75b1d5970a3"},"schema_version":"1.0","source":{"id":"1810.03337","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.03337","created_at":"2026-05-18T00:03:44Z"},{"alias_kind":"arxiv_version","alias_value":"1810.03337v2","created_at":"2026-05-18T00:03:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.03337","created_at":"2026-05-18T00:03:44Z"},{"alias_kind":"pith_short_12","alias_value":"PPZWNCBZGMVX","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PPZWNCBZGMVXZCKD","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PPZWNCBZ","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:e8d1888ad754d3c0002eadb782e9409525d51a57cebaaea6d069d10c1125cd75","target":"graph","created_at":"2026-05-18T00:03:44Z","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":"The most widely used method for monitoring Low Voltage Distribution Grids (LVDGs) is the three phase Weighted Least Squares (WLS) State Estimation (SE), which was initially developed for Medium Voltage Distribution Grids (MVDGs). This methodology is implicitly applied in LVDGs with an assumption that the neutral conductor represents a zero potential across the whole system. However, this assumption is often not valid for LVDGs as the consumers loads are highly asymmetrical and the neutral conductor is usually grounded only at the MV-LV transformer substation. Therefore, if this method is appli","authors_text":"Andreas Kotsonias, Elias Kyriakides, Lenos Hadjidemetriou, Markos Asprou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-10-08T09:16:22Z","title":"Monitoring of Low Voltage Distribution Grid Considering the Neutral Conductor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.03337","kind":"arxiv","version":2},"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":"sha256:78cb0e9fb4f732bbfabb939b72ac258cc7315c3d4ed901b04fdb3653e8b9a23c","target":"record","created_at":"2026-05-18T00:03:44Z","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":"aee4cca47c29f9d96dce058b540478de15ff5af43e16d8572be3fcfc24a215dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SP","submitted_at":"2018-10-08T09:16:22Z","title_canon_sha256":"c437dd4710bd76c9cfb67e77474088de0b0ffabe6bc7c5a3cad1f75b1d5970a3"},"schema_version":"1.0","source":{"id":"1810.03337","kind":"arxiv","version":2}},"canonical_sha256":"7bf3668839332b7c89438c7e26e622ef2972c4434951343b068b80387201de72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7bf3668839332b7c89438c7e26e622ef2972c4434951343b068b80387201de72","first_computed_at":"2026-05-18T00:03:44.892311Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:44.892311Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9NmfClV2P5LyFUq8oKKMTz14yPHBMq73mkB5OybwgXDlCvZ2HKChLAMNpcFOZQME0TsqdkJw23vFlClGPgq+BA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:44.892815Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.03337","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78cb0e9fb4f732bbfabb939b72ac258cc7315c3d4ed901b04fdb3653e8b9a23c","sha256:e8d1888ad754d3c0002eadb782e9409525d51a57cebaaea6d069d10c1125cd75"],"state_sha256":"c359b4b4463b0a7d5296846c2fc1fafcbd6bb99d67adeaae6f58c0cc64c7a328"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U85tFauzemhT9FyjzSI3rqeuN0wrJh9oIFn7xoPgxmjb9d9+aTrjP0iw66EvzLA58La9KIj5u508LzXQxPnsCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T04:38:52.591786Z","bundle_sha256":"e140bb88efedd905d0ced56a880f80371f3eeb7bf04d31e65dbf57850c074186"}}