{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:NNGGBFRLVQGTNJ3SJCQH325FHX","short_pith_number":"pith:NNGGBFRL","canonical_record":{"source":{"id":"2501.04623","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2025-01-08T17:09:50Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"c2d24bda64e238609661e54fffcf2b6d35e855281e1c13a4f17f8d2e5e0a9c5b","abstract_canon_sha256":"8a50ae51cd558f7d0ea659712cc92396497af551094cff7920dbf0e60d27b643"},"schema_version":"1.0"},"canonical_sha256":"6b4c60962bac0d36a77248a07deba53dc346f7f1130d185bfbab171cc1754456","source":{"kind":"arxiv","id":"2501.04623","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.04623","created_at":"2026-07-05T09:58:38Z"},{"alias_kind":"arxiv_version","alias_value":"2501.04623v1","created_at":"2026-07-05T09:58:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.04623","created_at":"2026-07-05T09:58:38Z"},{"alias_kind":"pith_short_12","alias_value":"NNGGBFRLVQGT","created_at":"2026-07-05T09:58:38Z"},{"alias_kind":"pith_short_16","alias_value":"NNGGBFRLVQGTNJ3S","created_at":"2026-07-05T09:58:38Z"},{"alias_kind":"pith_short_8","alias_value":"NNGGBFRL","created_at":"2026-07-05T09:58:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:NNGGBFRLVQGTNJ3SJCQH325FHX","target":"record","payload":{"canonical_record":{"source":{"id":"2501.04623","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2025-01-08T17:09:50Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"c2d24bda64e238609661e54fffcf2b6d35e855281e1c13a4f17f8d2e5e0a9c5b","abstract_canon_sha256":"8a50ae51cd558f7d0ea659712cc92396497af551094cff7920dbf0e60d27b643"},"schema_version":"1.0"},"canonical_sha256":"6b4c60962bac0d36a77248a07deba53dc346f7f1130d185bfbab171cc1754456","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:58:38.127970Z","signature_b64":"x2T/0vag7RnX/TTdq3QDJ/cDjsQrOFGPBNuosL9JfMq3g34gKrNiHEa5klhzj7n96P0Px9Uq/SzPBBS10dQaAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b4c60962bac0d36a77248a07deba53dc346f7f1130d185bfbab171cc1754456","last_reissued_at":"2026-07-05T09:58:38.127497Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:58:38.127497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.04623","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":"2026-07-05T09:58:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T2wXTI0qGZUHD9vXGpCCzpsamtbcYGBdwPTan4tl1oFQ6DaxiodVskKG4urxyY2/Dm2h9n1EWj/urL7kdDqYDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T06:17:33.726626Z"},"content_sha256":"c082e2aec221cb3324bc99e375d424e892cc855c8e217dbbe481cb550e1c345d","schema_version":"1.0","event_id":"sha256:c082e2aec221cb3324bc99e375d424e892cc855c8e217dbbe481cb550e1c345d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:NNGGBFRLVQGTNJ3SJCQH325FHX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Large-scale Grid Optimization: The Workhorse of Future Grid Computations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Amritanshu Pandey, Mads Almassalkhi, Sam Chevalier","submitted_at":"2025-01-08T17:09:50Z","abstract_excerpt":"Purpose: The computation methods for modeling, controlling and optimizing the transforming grid are evolving rapidly. We review and systemize knowledge for a special class of computation methods that solve large-scale power grid optimization problems. Summary: Large-scale grid optimizations are pertinent for, amongst other things, hedging against risk due to resource stochasticity, evaluating aggregated DERs' impact on grid operation and design, and improving the overall efficiency of grid operation in terms of cost, reliability, and carbon footprint. We attribute the continual growth in scale"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.04623","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2501.04623/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":"2026-07-05T09:58:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iVbFqZe9sA0E1xftNuVJDfI6vH0lHEkUY9ViZ3hVMsajeKborIr1hgnH6FGFxDPu5XIGHi8p7AMy5znSpLtSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T06:17:33.727215Z"},"content_sha256":"3aae40375d7998a7902d906d2e85eeb51ee7cb4c3bc4d6f408ec9d9b042daf7e","schema_version":"1.0","event_id":"sha256:3aae40375d7998a7902d906d2e85eeb51ee7cb4c3bc4d6f408ec9d9b042daf7e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NNGGBFRLVQGTNJ3SJCQH325FHX/bundle.json","state_url":"https://pith.science/pith/NNGGBFRLVQGTNJ3SJCQH325FHX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NNGGBFRLVQGTNJ3SJCQH325FHX/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":"2026-08-11T06:17:33Z","links":{"resolver":"https://pith.science/pith/NNGGBFRLVQGTNJ3SJCQH325FHX","bundle":"https://pith.science/pith/NNGGBFRLVQGTNJ3SJCQH325FHX/bundle.json","state":"https://pith.science/pith/NNGGBFRLVQGTNJ3SJCQH325FHX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NNGGBFRLVQGTNJ3SJCQH325FHX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:NNGGBFRLVQGTNJ3SJCQH325FHX","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":"8a50ae51cd558f7d0ea659712cc92396497af551094cff7920dbf0e60d27b643","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2025-01-08T17:09:50Z","title_canon_sha256":"c2d24bda64e238609661e54fffcf2b6d35e855281e1c13a4f17f8d2e5e0a9c5b"},"schema_version":"1.0","source":{"id":"2501.04623","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.04623","created_at":"2026-07-05T09:58:38Z"},{"alias_kind":"arxiv_version","alias_value":"2501.04623v1","created_at":"2026-07-05T09:58:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.04623","created_at":"2026-07-05T09:58:38Z"},{"alias_kind":"pith_short_12","alias_value":"NNGGBFRLVQGT","created_at":"2026-07-05T09:58:38Z"},{"alias_kind":"pith_short_16","alias_value":"NNGGBFRLVQGTNJ3S","created_at":"2026-07-05T09:58:38Z"},{"alias_kind":"pith_short_8","alias_value":"NNGGBFRL","created_at":"2026-07-05T09:58:38Z"}],"graph_snapshots":[{"event_id":"sha256:3aae40375d7998a7902d906d2e85eeb51ee7cb4c3bc4d6f408ec9d9b042daf7e","target":"graph","created_at":"2026-07-05T09:58:38Z","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/2501.04623/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Purpose: The computation methods for modeling, controlling and optimizing the transforming grid are evolving rapidly. We review and systemize knowledge for a special class of computation methods that solve large-scale power grid optimization problems. Summary: Large-scale grid optimizations are pertinent for, amongst other things, hedging against risk due to resource stochasticity, evaluating aggregated DERs' impact on grid operation and design, and improving the overall efficiency of grid operation in terms of cost, reliability, and carbon footprint. We attribute the continual growth in scale","authors_text":"Amritanshu Pandey, Mads Almassalkhi, Sam Chevalier","cross_cats":["cs.SY"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2025-01-08T17:09:50Z","title":"Large-scale Grid Optimization: The Workhorse of Future Grid Computations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.04623","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:c082e2aec221cb3324bc99e375d424e892cc855c8e217dbbe481cb550e1c345d","target":"record","created_at":"2026-07-05T09:58:38Z","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":"8a50ae51cd558f7d0ea659712cc92396497af551094cff7920dbf0e60d27b643","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2025-01-08T17:09:50Z","title_canon_sha256":"c2d24bda64e238609661e54fffcf2b6d35e855281e1c13a4f17f8d2e5e0a9c5b"},"schema_version":"1.0","source":{"id":"2501.04623","kind":"arxiv","version":1}},"canonical_sha256":"6b4c60962bac0d36a77248a07deba53dc346f7f1130d185bfbab171cc1754456","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b4c60962bac0d36a77248a07deba53dc346f7f1130d185bfbab171cc1754456","first_computed_at":"2026-07-05T09:58:38.127497Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:58:38.127497Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x2T/0vag7RnX/TTdq3QDJ/cDjsQrOFGPBNuosL9JfMq3g34gKrNiHEa5klhzj7n96P0Px9Uq/SzPBBS10dQaAg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:58:38.127970Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.04623","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c082e2aec221cb3324bc99e375d424e892cc855c8e217dbbe481cb550e1c345d","sha256:3aae40375d7998a7902d906d2e85eeb51ee7cb4c3bc4d6f408ec9d9b042daf7e"],"state_sha256":"a0d7a81820e2548a36bcade10dd26eb4bd23497ccfccf74e32bf3dcb2182a1da"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RIX7Spiy0LYQss0gPPwxmzyM4T05GuskBMVukYB53cCE1tMxRa3yHrWa61Ujn2U0kGK7A9ViU4qrpuFquEyzBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T06:17:33.731340Z","bundle_sha256":"391c24afda0dbb616319243cb5e28cd31dd1f6f7dd5ed7bfd73dbc2b1623c753"}}