{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ONNJNCJPSCTY65T6HQBIBECW3S","short_pith_number":"pith:ONNJNCJP","canonical_record":{"source":{"id":"1704.04586","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2017-04-15T05:17:00Z","cross_cats_sorted":[],"title_canon_sha256":"129188746a73ecb39f04859bbf3e1974b2970056fc4973a2acaf063fee85af9f","abstract_canon_sha256":"37e7b529fdd1352d7ad5ebc78604336a93dc237d4fd2176b2bd5d3678a184f22"},"schema_version":"1.0"},"canonical_sha256":"735a96892f90a78f767e3c02809056dc9ce356d50e4e9cdb3dcbc49920c26702","source":{"kind":"arxiv","id":"1704.04586","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.04586","created_at":"2026-05-18T00:41:17Z"},{"alias_kind":"arxiv_version","alias_value":"1704.04586v3","created_at":"2026-05-18T00:41:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.04586","created_at":"2026-05-18T00:41:17Z"},{"alias_kind":"pith_short_12","alias_value":"ONNJNCJPSCTY","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"ONNJNCJPSCTY65T6","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"ONNJNCJP","created_at":"2026-05-18T12:31:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ONNJNCJPSCTY65T6HQBIBECW3S","target":"record","payload":{"canonical_record":{"source":{"id":"1704.04586","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2017-04-15T05:17:00Z","cross_cats_sorted":[],"title_canon_sha256":"129188746a73ecb39f04859bbf3e1974b2970056fc4973a2acaf063fee85af9f","abstract_canon_sha256":"37e7b529fdd1352d7ad5ebc78604336a93dc237d4fd2176b2bd5d3678a184f22"},"schema_version":"1.0"},"canonical_sha256":"735a96892f90a78f767e3c02809056dc9ce356d50e4e9cdb3dcbc49920c26702","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:17.727439Z","signature_b64":"57Lrl0L1ebfDtf6sir4C8e4wj9SqLngq6shOxr4uomFfXVtVHAQBqJ7PnyNeN/i0w8p1ZeBwJ3Y7wq8hEZ1DAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"735a96892f90a78f767e3c02809056dc9ce356d50e4e9cdb3dcbc49920c26702","last_reissued_at":"2026-05-18T00:41:17.726639Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:17.726639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.04586","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":"2026-05-18T00:41:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DoG8KB0qk4amp6Ef0g8ZpWQiW5QJIXoGtWs7axyzluKJ4WZooZTv/pFW6MUHXgVuceSqcuOR+Y9s0W98/goxAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:20:06.166683Z"},"content_sha256":"4c32bc39b89bdfe1db83d452e88d211c440d9e3512d56d63a3578f5d4fa07cee","schema_version":"1.0","event_id":"sha256:4c32bc39b89bdfe1db83d452e88d211c440d9e3512d56d63a3578f5d4fa07cee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ONNJNCJPSCTY65T6HQBIBECW3S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distributed demand-side contingency-service provisioning while minimizing consumer disutility through local frequency measurements and inter-load communication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.OC","authors_text":"Jonathan Brooks, Prabir Barooah","submitted_at":"2017-04-15T05:17:00Z","abstract_excerpt":"We consider the problem of smart and flexible loads providing contingency reserves to the electric grid and provide a Distributed Gradient Projection (DGP) algorithm to minimize loads' disutility while providing contingency services. Each load uses locally obtained grid-frequency measurements and inter-load communication to coordinate their actions, and the privacy of each load is preserved: only gradient information is exchanged---not disutility or consumption information. We provide a proof of convergence of the proposed DGP algorithm, and we compare its performance through simulations to th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.04586","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":"2026-05-18T00:41:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3nOVSCZC3OWC24KAChwk7MZl9YY6CEI4tkVnRwRbdUppKiOvUVXb+pbYnB3Nl9H1xmcl4jBol0q/JSiVvclFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:20:06.167030Z"},"content_sha256":"4a71dab080eeef3e78e2bbb0fe0551bf2cb934b674e1957c5cca33caea7b2187","schema_version":"1.0","event_id":"sha256:4a71dab080eeef3e78e2bbb0fe0551bf2cb934b674e1957c5cca33caea7b2187"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ONNJNCJPSCTY65T6HQBIBECW3S/bundle.json","state_url":"https://pith.science/pith/ONNJNCJPSCTY65T6HQBIBECW3S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ONNJNCJPSCTY65T6HQBIBECW3S/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":"2026-05-28T00:20:06Z","links":{"resolver":"https://pith.science/pith/ONNJNCJPSCTY65T6HQBIBECW3S","bundle":"https://pith.science/pith/ONNJNCJPSCTY65T6HQBIBECW3S/bundle.json","state":"https://pith.science/pith/ONNJNCJPSCTY65T6HQBIBECW3S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ONNJNCJPSCTY65T6HQBIBECW3S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ONNJNCJPSCTY65T6HQBIBECW3S","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":"37e7b529fdd1352d7ad5ebc78604336a93dc237d4fd2176b2bd5d3678a184f22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2017-04-15T05:17:00Z","title_canon_sha256":"129188746a73ecb39f04859bbf3e1974b2970056fc4973a2acaf063fee85af9f"},"schema_version":"1.0","source":{"id":"1704.04586","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.04586","created_at":"2026-05-18T00:41:17Z"},{"alias_kind":"arxiv_version","alias_value":"1704.04586v3","created_at":"2026-05-18T00:41:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.04586","created_at":"2026-05-18T00:41:17Z"},{"alias_kind":"pith_short_12","alias_value":"ONNJNCJPSCTY","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"ONNJNCJPSCTY65T6","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"ONNJNCJP","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:4a71dab080eeef3e78e2bbb0fe0551bf2cb934b674e1957c5cca33caea7b2187","target":"graph","created_at":"2026-05-18T00:41:17Z","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":"We consider the problem of smart and flexible loads providing contingency reserves to the electric grid and provide a Distributed Gradient Projection (DGP) algorithm to minimize loads' disutility while providing contingency services. Each load uses locally obtained grid-frequency measurements and inter-load communication to coordinate their actions, and the privacy of each load is preserved: only gradient information is exchanged---not disutility or consumption information. We provide a proof of convergence of the proposed DGP algorithm, and we compare its performance through simulations to th","authors_text":"Jonathan Brooks, Prabir Barooah","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2017-04-15T05:17:00Z","title":"Distributed demand-side contingency-service provisioning while minimizing consumer disutility through local frequency measurements and inter-load communication"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.04586","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":"sha256:4c32bc39b89bdfe1db83d452e88d211c440d9e3512d56d63a3578f5d4fa07cee","target":"record","created_at":"2026-05-18T00:41:17Z","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":"37e7b529fdd1352d7ad5ebc78604336a93dc237d4fd2176b2bd5d3678a184f22","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2017-04-15T05:17:00Z","title_canon_sha256":"129188746a73ecb39f04859bbf3e1974b2970056fc4973a2acaf063fee85af9f"},"schema_version":"1.0","source":{"id":"1704.04586","kind":"arxiv","version":3}},"canonical_sha256":"735a96892f90a78f767e3c02809056dc9ce356d50e4e9cdb3dcbc49920c26702","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"735a96892f90a78f767e3c02809056dc9ce356d50e4e9cdb3dcbc49920c26702","first_computed_at":"2026-05-18T00:41:17.726639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:41:17.726639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"57Lrl0L1ebfDtf6sir4C8e4wj9SqLngq6shOxr4uomFfXVtVHAQBqJ7PnyNeN/i0w8p1ZeBwJ3Y7wq8hEZ1DAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:41:17.727439Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.04586","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4c32bc39b89bdfe1db83d452e88d211c440d9e3512d56d63a3578f5d4fa07cee","sha256:4a71dab080eeef3e78e2bbb0fe0551bf2cb934b674e1957c5cca33caea7b2187"],"state_sha256":"d72da6e0b556514cbc478f6f815ecf9724bb30a9483f96ca1000ffd66a171def"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H+360AdfMhImoFs1/8QbgshwWh6sHW9oC6jzcUPqMTnX4yBastGt3+Oft6AV9gQZDdvIPcbNzGSPrvv8wMk+Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:20:06.169021Z","bundle_sha256":"623336f9cdd8c7f3c790ff5cf617a8318e973c561199a98656fdc6aa41b36c4a"}}