{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:ESERJSQYYVORBDGAZ67JEC3OS6","short_pith_number":"pith:ESERJSQY","canonical_record":{"source":{"id":"1610.04988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2016-10-17T07:15:50Z","cross_cats_sorted":[],"title_canon_sha256":"e8c4a7261415bcb3c15ea836176b34fa2d9ed6d3ed7e7c27a4ab3c7310c3a4a4","abstract_canon_sha256":"56ecc4174b2960650e4791bb9219ed0ec68d6e0e317e283d523078df6b3a0a07"},"schema_version":"1.0"},"canonical_sha256":"248914ca18c55d108cc0cfbe920b6e9796d86c8fd6d34c464e7ad74a1e7f58ea","source":{"kind":"arxiv","id":"1610.04988","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.04988","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"arxiv_version","alias_value":"1610.04988v1","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.04988","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"pith_short_12","alias_value":"ESERJSQYYVOR","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"ESERJSQYYVORBDGA","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"ESERJSQY","created_at":"2026-05-18T12:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:ESERJSQYYVORBDGAZ67JEC3OS6","target":"record","payload":{"canonical_record":{"source":{"id":"1610.04988","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2016-10-17T07:15:50Z","cross_cats_sorted":[],"title_canon_sha256":"e8c4a7261415bcb3c15ea836176b34fa2d9ed6d3ed7e7c27a4ab3c7310c3a4a4","abstract_canon_sha256":"56ecc4174b2960650e4791bb9219ed0ec68d6e0e317e283d523078df6b3a0a07"},"schema_version":"1.0"},"canonical_sha256":"248914ca18c55d108cc0cfbe920b6e9796d86c8fd6d34c464e7ad74a1e7f58ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:02:06.514934Z","signature_b64":"0BUDkIMtkaYTkCJjvKkzY7aUdWLcOEW7bC3H1VP4+8TKJTX+th121/DxRGfjo4xEz2JPtT3zdW0SbMyiiyeuBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"248914ca18c55d108cc0cfbe920b6e9796d86c8fd6d34c464e7ad74a1e7f58ea","last_reissued_at":"2026-05-18T01:02:06.514282Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:02:06.514282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.04988","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":"2026-05-18T01:02:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TG7sWH181zIdhnwIFgTKPbxK6BLyB9Y3mQoJkkDRDhbjvQciI1NQ/Ea7HsIjo3dFaa4pEzLKMXHc+fjADj0fCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:46:19.891770Z"},"content_sha256":"250220612854280a527e78a50fa3d52ca4f3789d9ce502b2b58d37e79df63b7a","schema_version":"1.0","event_id":"sha256:250220612854280a527e78a50fa3d52ca4f3789d9ce502b2b58d37e79df63b7a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:ESERJSQYYVORBDGAZ67JEC3OS6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coupled and decoupled impedance models compared in power electronics systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Atle Rygg, Chen Zhang, Marta Molinas, Xu Cai","submitted_at":"2016-10-17T07:15:50Z","abstract_excerpt":"This paper provides a comparative analysis of impedance models for power electronic converters and systems for the purpose of stability investigations. Such models can be divided into either decoupled models or matrix models. A decoupled impedance model is highly appealing since the Single-Input-Single-Output (SISO) structure makes the analysis and result interpretation very simple. On the other hand, matrix impedance models are more accurate, and in some cases necessary. Previous works have applied various approximations to obtain decoupled models, and both the dq- and sequence domains have b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.04988","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":""},"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":"2026-05-18T01:02:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8LNz5Fiyszp880cpPT99exMVrw+6GuLO2LtUZVZ1tysl6OhU97tDuIGqrnvlVZmvVc3wUaWdCdcczY8zvpvaDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:46:19.892236Z"},"content_sha256":"3aacb180f0cb8ddc9b77279af970e16f731e1214297a3cd2aa243e3429ed60af","schema_version":"1.0","event_id":"sha256:3aacb180f0cb8ddc9b77279af970e16f731e1214297a3cd2aa243e3429ed60af"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ESERJSQYYVORBDGAZ67JEC3OS6/bundle.json","state_url":"https://pith.science/pith/ESERJSQYYVORBDGAZ67JEC3OS6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ESERJSQYYVORBDGAZ67JEC3OS6/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":"2026-05-30T05:46:19Z","links":{"resolver":"https://pith.science/pith/ESERJSQYYVORBDGAZ67JEC3OS6","bundle":"https://pith.science/pith/ESERJSQYYVORBDGAZ67JEC3OS6/bundle.json","state":"https://pith.science/pith/ESERJSQYYVORBDGAZ67JEC3OS6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ESERJSQYYVORBDGAZ67JEC3OS6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ESERJSQYYVORBDGAZ67JEC3OS6","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":"56ecc4174b2960650e4791bb9219ed0ec68d6e0e317e283d523078df6b3a0a07","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2016-10-17T07:15:50Z","title_canon_sha256":"e8c4a7261415bcb3c15ea836176b34fa2d9ed6d3ed7e7c27a4ab3c7310c3a4a4"},"schema_version":"1.0","source":{"id":"1610.04988","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.04988","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"arxiv_version","alias_value":"1610.04988v1","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.04988","created_at":"2026-05-18T01:02:06Z"},{"alias_kind":"pith_short_12","alias_value":"ESERJSQYYVOR","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"ESERJSQYYVORBDGA","created_at":"2026-05-18T12:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"ESERJSQY","created_at":"2026-05-18T12:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:3aacb180f0cb8ddc9b77279af970e16f731e1214297a3cd2aa243e3429ed60af","target":"graph","created_at":"2026-05-18T01:02:06Z","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":"This paper provides a comparative analysis of impedance models for power electronic converters and systems for the purpose of stability investigations. Such models can be divided into either decoupled models or matrix models. A decoupled impedance model is highly appealing since the Single-Input-Single-Output (SISO) structure makes the analysis and result interpretation very simple. On the other hand, matrix impedance models are more accurate, and in some cases necessary. Previous works have applied various approximations to obtain decoupled models, and both the dq- and sequence domains have b","authors_text":"Atle Rygg, Chen Zhang, Marta Molinas, Xu Cai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2016-10-17T07:15:50Z","title":"Coupled and decoupled impedance models compared in power electronics systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.04988","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":"sha256:250220612854280a527e78a50fa3d52ca4f3789d9ce502b2b58d37e79df63b7a","target":"record","created_at":"2026-05-18T01:02:06Z","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":"56ecc4174b2960650e4791bb9219ed0ec68d6e0e317e283d523078df6b3a0a07","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2016-10-17T07:15:50Z","title_canon_sha256":"e8c4a7261415bcb3c15ea836176b34fa2d9ed6d3ed7e7c27a4ab3c7310c3a4a4"},"schema_version":"1.0","source":{"id":"1610.04988","kind":"arxiv","version":1}},"canonical_sha256":"248914ca18c55d108cc0cfbe920b6e9796d86c8fd6d34c464e7ad74a1e7f58ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"248914ca18c55d108cc0cfbe920b6e9796d86c8fd6d34c464e7ad74a1e7f58ea","first_computed_at":"2026-05-18T01:02:06.514282Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:02:06.514282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0BUDkIMtkaYTkCJjvKkzY7aUdWLcOEW7bC3H1VP4+8TKJTX+th121/DxRGfjo4xEz2JPtT3zdW0SbMyiiyeuBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:02:06.514934Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.04988","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:250220612854280a527e78a50fa3d52ca4f3789d9ce502b2b58d37e79df63b7a","sha256:3aacb180f0cb8ddc9b77279af970e16f731e1214297a3cd2aa243e3429ed60af"],"state_sha256":"c673dcc4a05f055efedfdf525aa3ed01f2f57d6799c070264fb1ad142a62462b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dTWhtdkxa00OnsCcvoJi4PQjIf5m2Na4yzl9CnwLOc2akI4E5cmI+e3o98EQsGbhrb0Jgck0nihz6tfHUsDHCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T05:46:19.894993Z","bundle_sha256":"27ad86569e47dd27e3fc874c12d9426485d5db0d1d93fe523cce342e0354084a"}}