{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:D2YCPGP6TEQ7QJNXI6RQM7DNMN","short_pith_number":"pith:D2YCPGP6","canonical_record":{"source":{"id":"2002.08684","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2020-02-20T11:42:48Z","cross_cats_sorted":["eess.SP"],"title_canon_sha256":"b20bcc4d973d8df19a8207ee5171ea984bf11e019eb0287927ecdb64a092e8a5","abstract_canon_sha256":"b733ad890ada41ae056be756690f149aa28fe4176c083e25756661624a3d71d9"},"schema_version":"1.0"},"canonical_sha256":"1eb02799fe9921f825b747a3067c6d636edafa66d991e70051df76a95a1102ce","source":{"kind":"arxiv","id":"2002.08684","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.08684","created_at":"2026-07-05T00:42:43Z"},{"alias_kind":"arxiv_version","alias_value":"2002.08684v2","created_at":"2026-07-05T00:42:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.08684","created_at":"2026-07-05T00:42:43Z"},{"alias_kind":"pith_short_12","alias_value":"D2YCPGP6TEQ7","created_at":"2026-07-05T00:42:43Z"},{"alias_kind":"pith_short_16","alias_value":"D2YCPGP6TEQ7QJNX","created_at":"2026-07-05T00:42:43Z"},{"alias_kind":"pith_short_8","alias_value":"D2YCPGP6","created_at":"2026-07-05T00:42:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:D2YCPGP6TEQ7QJNXI6RQM7DNMN","target":"record","payload":{"canonical_record":{"source":{"id":"2002.08684","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2020-02-20T11:42:48Z","cross_cats_sorted":["eess.SP"],"title_canon_sha256":"b20bcc4d973d8df19a8207ee5171ea984bf11e019eb0287927ecdb64a092e8a5","abstract_canon_sha256":"b733ad890ada41ae056be756690f149aa28fe4176c083e25756661624a3d71d9"},"schema_version":"1.0"},"canonical_sha256":"1eb02799fe9921f825b747a3067c6d636edafa66d991e70051df76a95a1102ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:42:43.921091Z","signature_b64":"s/mK290vK2ABNcyYEl89s0oI0Cg1TLFS0WGk2+sQ86Liz0d50e0j3BED3CZaVCPHFwCoy/Jqy3tjjPTeQrflAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1eb02799fe9921f825b747a3067c6d636edafa66d991e70051df76a95a1102ce","last_reissued_at":"2026-07-05T00:42:43.920695Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:42:43.920695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.08684","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":"2026-07-05T00:42:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C01UbNCImIwKY6mP+BdwipIZSTXDyHDgTCeAAI9pi4+l5DcSFz+utpE0h4Cd0Az52E7vJNPXuD4pv/HtYBYUCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:28:39.187538Z"},"content_sha256":"8e57d2e1b43c8950898dda199a8e8a881007e08f80cd9d22ba1bd8d066b49b8e","schema_version":"1.0","event_id":"sha256:8e57d2e1b43c8950898dda199a8e8a881007e08f80cd9d22ba1bd8d066b49b8e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:D2YCPGP6TEQ7QJNXI6RQM7DNMN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Input Convex Neural Networks for Optimal Voltage Regulation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.SP"],"primary_cat":"math.OC","authors_text":"Baosen Zhang, Yize Chen, Yuanyuan Shi","submitted_at":"2020-02-20T11:42:48Z","abstract_excerpt":"The increasing penetration of renewables in distribution networks calls for faster and more advanced voltage regulation strategies. A promising approach is to formulate the problem as an optimization problem, where the optimal reactive power injection from inverters are calculated to maintain the voltages while satisfying power network constraints. However, existing optimization algorithms require the exact topology and line parameters of underlying distribution system, which are not known for most cases and are difficult to infer. In this paper, we propose to use specifically designed neural "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.08684","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/2002.08684/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":"2026-07-05T00:42:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m7FMUVTOfYyUIP/Nb8DdJzSQvstv0juHfCP/wMwUbuw66XJb4r0M9XuC4+dlHhEnANByYnDpAxLm02aXsunJAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:28:39.188435Z"},"content_sha256":"4ac3e2cede1bccb32f2b485549332fba260a3a41c437a56a6652e0a690fc9a01","schema_version":"1.0","event_id":"sha256:4ac3e2cede1bccb32f2b485549332fba260a3a41c437a56a6652e0a690fc9a01"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D2YCPGP6TEQ7QJNXI6RQM7DNMN/bundle.json","state_url":"https://pith.science/pith/D2YCPGP6TEQ7QJNXI6RQM7DNMN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D2YCPGP6TEQ7QJNXI6RQM7DNMN/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":"2026-08-14T17:28:39Z","links":{"resolver":"https://pith.science/pith/D2YCPGP6TEQ7QJNXI6RQM7DNMN","bundle":"https://pith.science/pith/D2YCPGP6TEQ7QJNXI6RQM7DNMN/bundle.json","state":"https://pith.science/pith/D2YCPGP6TEQ7QJNXI6RQM7DNMN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D2YCPGP6TEQ7QJNXI6RQM7DNMN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:D2YCPGP6TEQ7QJNXI6RQM7DNMN","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":"b733ad890ada41ae056be756690f149aa28fe4176c083e25756661624a3d71d9","cross_cats_sorted":["eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2020-02-20T11:42:48Z","title_canon_sha256":"b20bcc4d973d8df19a8207ee5171ea984bf11e019eb0287927ecdb64a092e8a5"},"schema_version":"1.0","source":{"id":"2002.08684","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.08684","created_at":"2026-07-05T00:42:43Z"},{"alias_kind":"arxiv_version","alias_value":"2002.08684v2","created_at":"2026-07-05T00:42:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.08684","created_at":"2026-07-05T00:42:43Z"},{"alias_kind":"pith_short_12","alias_value":"D2YCPGP6TEQ7","created_at":"2026-07-05T00:42:43Z"},{"alias_kind":"pith_short_16","alias_value":"D2YCPGP6TEQ7QJNX","created_at":"2026-07-05T00:42:43Z"},{"alias_kind":"pith_short_8","alias_value":"D2YCPGP6","created_at":"2026-07-05T00:42:43Z"}],"graph_snapshots":[{"event_id":"sha256:4ac3e2cede1bccb32f2b485549332fba260a3a41c437a56a6652e0a690fc9a01","target":"graph","created_at":"2026-07-05T00:42:43Z","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/2002.08684/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The increasing penetration of renewables in distribution networks calls for faster and more advanced voltage regulation strategies. A promising approach is to formulate the problem as an optimization problem, where the optimal reactive power injection from inverters are calculated to maintain the voltages while satisfying power network constraints. However, existing optimization algorithms require the exact topology and line parameters of underlying distribution system, which are not known for most cases and are difficult to infer. In this paper, we propose to use specifically designed neural ","authors_text":"Baosen Zhang, Yize Chen, Yuanyuan Shi","cross_cats":["eess.SP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2020-02-20T11:42:48Z","title":"Input Convex Neural Networks for Optimal Voltage Regulation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.08684","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":"sha256:8e57d2e1b43c8950898dda199a8e8a881007e08f80cd9d22ba1bd8d066b49b8e","target":"record","created_at":"2026-07-05T00:42:43Z","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":"b733ad890ada41ae056be756690f149aa28fe4176c083e25756661624a3d71d9","cross_cats_sorted":["eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2020-02-20T11:42:48Z","title_canon_sha256":"b20bcc4d973d8df19a8207ee5171ea984bf11e019eb0287927ecdb64a092e8a5"},"schema_version":"1.0","source":{"id":"2002.08684","kind":"arxiv","version":2}},"canonical_sha256":"1eb02799fe9921f825b747a3067c6d636edafa66d991e70051df76a95a1102ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1eb02799fe9921f825b747a3067c6d636edafa66d991e70051df76a95a1102ce","first_computed_at":"2026-07-05T00:42:43.920695Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:42:43.920695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s/mK290vK2ABNcyYEl89s0oI0Cg1TLFS0WGk2+sQ86Liz0d50e0j3BED3CZaVCPHFwCoy/Jqy3tjjPTeQrflAA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:42:43.921091Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.08684","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e57d2e1b43c8950898dda199a8e8a881007e08f80cd9d22ba1bd8d066b49b8e","sha256:4ac3e2cede1bccb32f2b485549332fba260a3a41c437a56a6652e0a690fc9a01"],"state_sha256":"098dda6f549890ce1af136d7093e8bb22bb01ff6b1aa746fd513753426b5cda0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YNoZ350su9dpdq2IfrMNd9Tvr4TNpGwKQYRY/+ll3DRPzJ2LT2tn7KIoFsoTuiCkg3xpQNb5Vnb+Cvjzp2psAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T17:28:39.225054Z","bundle_sha256":"04c7681a2b7319b5f3ef3eec68e9ce0a51b8ee230f5b8ddfd554c056e166d06a"}}