{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:UIG63BZXITPJHLSBLCM7NLZ6P4","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":"83d68c98c99820ea9633fe5a05c73c9421c53e7872ae6a0944bf0645ba1308f3","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-03-03T02:34:28Z","title_canon_sha256":"4c6dbefcbdd97e8faab2803d94ba27a452217bafa733cb76aae35aa03fe2d66e"},"schema_version":"1.0","source":{"id":"2103.02136","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.02136","created_at":"2026-07-05T04:34:45Z"},{"alias_kind":"arxiv_version","alias_value":"2103.02136v4","created_at":"2026-07-05T04:34:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.02136","created_at":"2026-07-05T04:34:45Z"},{"alias_kind":"pith_short_12","alias_value":"UIG63BZXITPJ","created_at":"2026-07-05T04:34:45Z"},{"alias_kind":"pith_short_16","alias_value":"UIG63BZXITPJHLSB","created_at":"2026-07-05T04:34:45Z"},{"alias_kind":"pith_short_8","alias_value":"UIG63BZX","created_at":"2026-07-05T04:34:45Z"}],"graph_snapshots":[{"event_id":"sha256:a2d3f0f28abab5cf6e1cbf44226696f72187e2addf95563040395765009bbd74","target":"graph","created_at":"2026-07-05T04:34:45Z","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/2103.02136/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study a linear-quadratic, optimal control problem on a discrete, finite time horizon with distributional ambiguity, in which the cost is assessed via Conditional Value-at-Risk (CVaR). We take steps toward deriving a scalable dynamic programming approach to upper-bound the optimal value function for this problem. This dynamic program yields a novel, tunable risk-averse control policy, which we compare to existing state-of-the-art methods.","authors_text":"Laurent Lessard, Margaret P. Chapman","cross_cats":["cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-03-03T02:34:28Z","title":"Toward a Scalable Upper Bound for a CVaR-LQ Problem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.02136","kind":"arxiv","version":4},"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":"sha256:4912b7b2a0a3520d5c8276f0b7da592b3de4c21a6078e5840c0548e7ed2300c3","target":"record","created_at":"2026-07-05T04:34:45Z","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":"83d68c98c99820ea9633fe5a05c73c9421c53e7872ae6a0944bf0645ba1308f3","cross_cats_sorted":["cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2021-03-03T02:34:28Z","title_canon_sha256":"4c6dbefcbdd97e8faab2803d94ba27a452217bafa733cb76aae35aa03fe2d66e"},"schema_version":"1.0","source":{"id":"2103.02136","kind":"arxiv","version":4}},"canonical_sha256":"a20ded873744de93ae415899f6af3e7f21beac83daa91aa2b1e9c20e6bc4a7b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a20ded873744de93ae415899f6af3e7f21beac83daa91aa2b1e9c20e6bc4a7b0","first_computed_at":"2026-07-05T04:34:45.025558Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:34:45.025558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x6bc85e5ub5yhULZ08TYSJlm67j/z58vhq/PWZifXirHkpElIUBQxaLurM2LYWo43z+1TSSTZ6jBCKTjyxEGAA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:34:45.026071Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.02136","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4912b7b2a0a3520d5c8276f0b7da592b3de4c21a6078e5840c0548e7ed2300c3","sha256:a2d3f0f28abab5cf6e1cbf44226696f72187e2addf95563040395765009bbd74"],"state_sha256":"ef052b0a193d4cc44e02aafd8e57c85f5f79e6613ddae71355522914acbfe1ef"}