{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:KEVYFQKYFZQTFBUZIQGVG2GRCT","short_pith_number":"pith:KEVYFQKY","canonical_record":{"source":{"id":"2404.08210","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"math.OC","submitted_at":"2024-04-12T02:48:33Z","cross_cats_sorted":[],"title_canon_sha256":"f306ddb4268cf79d65aa2bfd3a288607ae8f57b7113494e5e5d179d74f1b4af8","abstract_canon_sha256":"6b42ac024038788bda969c6c26fb32c8c47ca6248c3d4bad643ad95614b1d36c"},"schema_version":"1.0"},"canonical_sha256":"512b82c1582e61328699440d5368d114dd541635508eb1cf68392b74e1be813a","source":{"kind":"arxiv","id":"2404.08210","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.08210","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"arxiv_version","alias_value":"2404.08210v2","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.08210","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_12","alias_value":"KEVYFQKYFZQT","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_16","alias_value":"KEVYFQKYFZQTFBUZ","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_8","alias_value":"KEVYFQKY","created_at":"2026-07-05T11:18:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:KEVYFQKYFZQTFBUZIQGVG2GRCT","target":"record","payload":{"canonical_record":{"source":{"id":"2404.08210","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"math.OC","submitted_at":"2024-04-12T02:48:33Z","cross_cats_sorted":[],"title_canon_sha256":"f306ddb4268cf79d65aa2bfd3a288607ae8f57b7113494e5e5d179d74f1b4af8","abstract_canon_sha256":"6b42ac024038788bda969c6c26fb32c8c47ca6248c3d4bad643ad95614b1d36c"},"schema_version":"1.0"},"canonical_sha256":"512b82c1582e61328699440d5368d114dd541635508eb1cf68392b74e1be813a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:18:12.000907Z","signature_b64":"2CcmrH0BtOqc1Qc5Fzt7rcQb2Z0g7LEuQ30BS1y+/LMtmk59DQxmPrOGN+gY7D+h3Z+lxJUg3uLjGJmobauwCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"512b82c1582e61328699440d5368d114dd541635508eb1cf68392b74e1be813a","last_reissued_at":"2026-07-05T11:18:12.000408Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:18:12.000408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.08210","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":"2026-07-05T11:18:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Jov9HA/yTM/K0ANOJuf/KLNxddLJ73b8StWEntlxxdyQUnFKnDUMRpB/CpEiWhBTiuZQuOStV/z2Hpxn6ZSBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T17:47:11.945500Z"},"content_sha256":"275bc6026001fdbdfbf9a453cf8c1a8f51e28b9eec89b1e2fb75e69a35d76e9f","schema_version":"1.0","event_id":"sha256:275bc6026001fdbdfbf9a453cf8c1a8f51e28b9eec89b1e2fb75e69a35d76e9f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:KEVYFQKYFZQTFBUZIQGVG2GRCT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Inverse Carson's Equations Problem: Definition, Implementation and Numerical Experiments","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"math.OC","authors_text":"Ching Hong Tam, Frederik Geth, Nadarajah Mithulananthan","submitted_at":"2024-04-12T02:48:33Z","abstract_excerpt":"In recent years, with the increase in renewable energy and storage penetration, power flow studies in low-voltage networks have become of interest in both industry and academia. Many studies use impedance represented by sequence components due to the lack of datasets with fully parameterized impedance matrices. This assumes that the network impedance is balanced, which is typically not the case in the low-voltage network and therefore risks the accuracy of the study. This paper proposes a methodology for the recovery of more detailed impedance data from sequence components as an inverse proble"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.08210","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2404.08210/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":"2026-07-05T11:18:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dC4mrvs74493LHw8ILPGhV52B9zUWTx2cj022mQ2cz4bfipi4MlbrJwQ6tC0YnnxmqF/bHr3Q8Mk2Ox+hyXXCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T17:47:11.946156Z"},"content_sha256":"7fc24163e2ec4f9e3ad2a1060d093dda94cbe016f18b074ef76c5e55b71e8562","schema_version":"1.0","event_id":"sha256:7fc24163e2ec4f9e3ad2a1060d093dda94cbe016f18b074ef76c5e55b71e8562"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KEVYFQKYFZQTFBUZIQGVG2GRCT/bundle.json","state_url":"https://pith.science/pith/KEVYFQKYFZQTFBUZIQGVG2GRCT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KEVYFQKYFZQTFBUZIQGVG2GRCT/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":"2026-08-11T17:47:11Z","links":{"resolver":"https://pith.science/pith/KEVYFQKYFZQTFBUZIQGVG2GRCT","bundle":"https://pith.science/pith/KEVYFQKYFZQTFBUZIQGVG2GRCT/bundle.json","state":"https://pith.science/pith/KEVYFQKYFZQTFBUZIQGVG2GRCT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KEVYFQKYFZQTFBUZIQGVG2GRCT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:KEVYFQKYFZQTFBUZIQGVG2GRCT","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":"6b42ac024038788bda969c6c26fb32c8c47ca6248c3d4bad643ad95614b1d36c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"math.OC","submitted_at":"2024-04-12T02:48:33Z","title_canon_sha256":"f306ddb4268cf79d65aa2bfd3a288607ae8f57b7113494e5e5d179d74f1b4af8"},"schema_version":"1.0","source":{"id":"2404.08210","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.08210","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"arxiv_version","alias_value":"2404.08210v2","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.08210","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_12","alias_value":"KEVYFQKYFZQT","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_16","alias_value":"KEVYFQKYFZQTFBUZ","created_at":"2026-07-05T11:18:12Z"},{"alias_kind":"pith_short_8","alias_value":"KEVYFQKY","created_at":"2026-07-05T11:18:12Z"}],"graph_snapshots":[{"event_id":"sha256:7fc24163e2ec4f9e3ad2a1060d093dda94cbe016f18b074ef76c5e55b71e8562","target":"graph","created_at":"2026-07-05T11:18:12Z","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/2404.08210/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In recent years, with the increase in renewable energy and storage penetration, power flow studies in low-voltage networks have become of interest in both industry and academia. Many studies use impedance represented by sequence components due to the lack of datasets with fully parameterized impedance matrices. This assumes that the network impedance is balanced, which is typically not the case in the low-voltage network and therefore risks the accuracy of the study. This paper proposes a methodology for the recovery of more detailed impedance data from sequence components as an inverse proble","authors_text":"Ching Hong Tam, Frederik Geth, Nadarajah Mithulananthan","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"math.OC","submitted_at":"2024-04-12T02:48:33Z","title":"The Inverse Carson's Equations Problem: Definition, Implementation and Numerical Experiments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.08210","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":"sha256:275bc6026001fdbdfbf9a453cf8c1a8f51e28b9eec89b1e2fb75e69a35d76e9f","target":"record","created_at":"2026-07-05T11:18:12Z","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":"6b42ac024038788bda969c6c26fb32c8c47ca6248c3d4bad643ad95614b1d36c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"math.OC","submitted_at":"2024-04-12T02:48:33Z","title_canon_sha256":"f306ddb4268cf79d65aa2bfd3a288607ae8f57b7113494e5e5d179d74f1b4af8"},"schema_version":"1.0","source":{"id":"2404.08210","kind":"arxiv","version":2}},"canonical_sha256":"512b82c1582e61328699440d5368d114dd541635508eb1cf68392b74e1be813a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"512b82c1582e61328699440d5368d114dd541635508eb1cf68392b74e1be813a","first_computed_at":"2026-07-05T11:18:12.000408Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:18:12.000408Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2CcmrH0BtOqc1Qc5Fzt7rcQb2Z0g7LEuQ30BS1y+/LMtmk59DQxmPrOGN+gY7D+h3Z+lxJUg3uLjGJmobauwCg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:18:12.000907Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.08210","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:275bc6026001fdbdfbf9a453cf8c1a8f51e28b9eec89b1e2fb75e69a35d76e9f","sha256:7fc24163e2ec4f9e3ad2a1060d093dda94cbe016f18b074ef76c5e55b71e8562"],"state_sha256":"09565535cac9a87ff53240cccbe2ff602f2730b5312e90e83b88d2f641f5245e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DQ3WlYXb9tUA+4ZuYRaq2Fy/tEQ7+qLEOod0O6d2kq5Sdl9XZ4nNhUgsESmGcQezR8QVHVZy+LlMghWVPBjbCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T17:47:11.951444Z","bundle_sha256":"4f51ce9026c5d09d0a4a5a7c4edc47636184faab894868c818f8d024faee015e"}}