{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:XZDIVKCDAFSG3AIEMP2AOVJ23S","short_pith_number":"pith:XZDIVKCD","canonical_record":{"source":{"id":"1801.04508","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-01-14T04:33:06Z","cross_cats_sorted":[],"title_canon_sha256":"911ac77960a67b5a05f9846e6078b7c80c78a732a66975336325fce41e9f6faa","abstract_canon_sha256":"ddff5dce6530193f0a7e84dec589f038f41e985793717b9e6e9ec0f742b33c86"},"schema_version":"1.0"},"canonical_sha256":"be468aa84301646d810463f407553adcb0a02c253b565a6958cb2423b4f1f699","source":{"kind":"arxiv","id":"1801.04508","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.04508","created_at":"2026-05-18T00:20:35Z"},{"alias_kind":"arxiv_version","alias_value":"1801.04508v3","created_at":"2026-05-18T00:20:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.04508","created_at":"2026-05-18T00:20:35Z"},{"alias_kind":"pith_short_12","alias_value":"XZDIVKCDAFSG","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"XZDIVKCDAFSG3AIE","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"XZDIVKCD","created_at":"2026-05-18T12:33:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:XZDIVKCDAFSG3AIEMP2AOVJ23S","target":"record","payload":{"canonical_record":{"source":{"id":"1801.04508","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-01-14T04:33:06Z","cross_cats_sorted":[],"title_canon_sha256":"911ac77960a67b5a05f9846e6078b7c80c78a732a66975336325fce41e9f6faa","abstract_canon_sha256":"ddff5dce6530193f0a7e84dec589f038f41e985793717b9e6e9ec0f742b33c86"},"schema_version":"1.0"},"canonical_sha256":"be468aa84301646d810463f407553adcb0a02c253b565a6958cb2423b4f1f699","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:35.642217Z","signature_b64":"nxwa8LrIi9zw5GjKlm6cKfB3TSG+6EyDZQEXZutKIiTGnpDJEqUZqX7j85L35wPzrqTVCHU2/YtqgS4ryWxEAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be468aa84301646d810463f407553adcb0a02c253b565a6958cb2423b4f1f699","last_reissued_at":"2026-05-18T00:20:35.641557Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:35.641557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.04508","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:20:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CNN7bzD1fKkCwRxGXuQJU3CrTPSPX5JkZys8YWTDmsoCFsDJA6rqsKXDSspHYntBdwvm1Si4nD5uMiYyKNqSCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:46:06.699288Z"},"content_sha256":"5f21ec6603968ca8e4d1a5fd7f4fc12fc27396e9edd5518b82e3a047ca8c4838","schema_version":"1.0","event_id":"sha256:5f21ec6603968ca8e4d1a5fd7f4fc12fc27396e9edd5518b82e3a047ca8c4838"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:XZDIVKCDAFSG3AIEMP2AOVJ23S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Voltage Control of DC Islanded Microgrids: Scalable Decentralised L1 Adaptive Controllers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Daniel O'Keeffe, Gordon Lightbody, Laura Albiol-Tendillo, Stefano Riverso","submitted_at":"2018-01-14T04:33:06Z","abstract_excerpt":"Voltage stability is a critical feature of an efficiently operating power distribution system such as a DC islanded microgrid. Large-scale autonomous power systems can be defined by heterogeneous elements, uncertainty and changing conditions. This paper proposes a novel scalable decentralised control scheme at the primary level of the typical hierarchical control architecture of DC islanded microgrids with arbitrary topology. Local state-feedback $\\mathcal{L}_1$ adaptive controllers are retrofitted to existing baseline voltage controllers of DC-DC boost converters, which interface distributed "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.04508","kind":"arxiv","version":3},"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":"2026-05-18T00:20:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CxSssq34gujel6lxZavppOE22QorpH2h6lAGaxPjQZfrSyT3AvCXuopLvnUbJloKmjgWL0Dg9KvM3jDOGxDkCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:46:06.699654Z"},"content_sha256":"678d0f6bf48d7956b049a49b3c7668cd846c474fffd7473b57e01c6cd0cf1cee","schema_version":"1.0","event_id":"sha256:678d0f6bf48d7956b049a49b3c7668cd846c474fffd7473b57e01c6cd0cf1cee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XZDIVKCDAFSG3AIEMP2AOVJ23S/bundle.json","state_url":"https://pith.science/pith/XZDIVKCDAFSG3AIEMP2AOVJ23S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XZDIVKCDAFSG3AIEMP2AOVJ23S/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":"2026-06-02T06:46:06Z","links":{"resolver":"https://pith.science/pith/XZDIVKCDAFSG3AIEMP2AOVJ23S","bundle":"https://pith.science/pith/XZDIVKCDAFSG3AIEMP2AOVJ23S/bundle.json","state":"https://pith.science/pith/XZDIVKCDAFSG3AIEMP2AOVJ23S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XZDIVKCDAFSG3AIEMP2AOVJ23S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:XZDIVKCDAFSG3AIEMP2AOVJ23S","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":"ddff5dce6530193f0a7e84dec589f038f41e985793717b9e6e9ec0f742b33c86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-01-14T04:33:06Z","title_canon_sha256":"911ac77960a67b5a05f9846e6078b7c80c78a732a66975336325fce41e9f6faa"},"schema_version":"1.0","source":{"id":"1801.04508","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.04508","created_at":"2026-05-18T00:20:35Z"},{"alias_kind":"arxiv_version","alias_value":"1801.04508v3","created_at":"2026-05-18T00:20:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.04508","created_at":"2026-05-18T00:20:35Z"},{"alias_kind":"pith_short_12","alias_value":"XZDIVKCDAFSG","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"XZDIVKCDAFSG3AIE","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"XZDIVKCD","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:678d0f6bf48d7956b049a49b3c7668cd846c474fffd7473b57e01c6cd0cf1cee","target":"graph","created_at":"2026-05-18T00:20:35Z","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":"Voltage stability is a critical feature of an efficiently operating power distribution system such as a DC islanded microgrid. Large-scale autonomous power systems can be defined by heterogeneous elements, uncertainty and changing conditions. This paper proposes a novel scalable decentralised control scheme at the primary level of the typical hierarchical control architecture of DC islanded microgrids with arbitrary topology. Local state-feedback $\\mathcal{L}_1$ adaptive controllers are retrofitted to existing baseline voltage controllers of DC-DC boost converters, which interface distributed ","authors_text":"Daniel O'Keeffe, Gordon Lightbody, Laura Albiol-Tendillo, Stefano Riverso","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-01-14T04:33:06Z","title":"Voltage Control of DC Islanded Microgrids: Scalable Decentralised L1 Adaptive Controllers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.04508","kind":"arxiv","version":3},"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":"sha256:5f21ec6603968ca8e4d1a5fd7f4fc12fc27396e9edd5518b82e3a047ca8c4838","target":"record","created_at":"2026-05-18T00:20:35Z","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":"ddff5dce6530193f0a7e84dec589f038f41e985793717b9e6e9ec0f742b33c86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-01-14T04:33:06Z","title_canon_sha256":"911ac77960a67b5a05f9846e6078b7c80c78a732a66975336325fce41e9f6faa"},"schema_version":"1.0","source":{"id":"1801.04508","kind":"arxiv","version":3}},"canonical_sha256":"be468aa84301646d810463f407553adcb0a02c253b565a6958cb2423b4f1f699","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be468aa84301646d810463f407553adcb0a02c253b565a6958cb2423b4f1f699","first_computed_at":"2026-05-18T00:20:35.641557Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:35.641557Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nxwa8LrIi9zw5GjKlm6cKfB3TSG+6EyDZQEXZutKIiTGnpDJEqUZqX7j85L35wPzrqTVCHU2/YtqgS4ryWxEAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:35.642217Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.04508","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f21ec6603968ca8e4d1a5fd7f4fc12fc27396e9edd5518b82e3a047ca8c4838","sha256:678d0f6bf48d7956b049a49b3c7668cd846c474fffd7473b57e01c6cd0cf1cee"],"state_sha256":"8dcbf6f89b18eaa219cc843906d0e46996f7ad501bcd6c783a6054cf1896c076"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c2SfkRCEdcmwZXubRXwj+VkfIMnz9KNVYb2ZPw7UL/5CL21gckGqu7enNmDyN2eycTI4aC1md+CvbQFwjnbKCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:46:06.701522Z","bundle_sha256":"dfc31418b0f970fae229fb77fd48f2e4da46ab7dd113d360762e54484c22bd70"}}