{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:3FQQX2DKOSXHINID5EV32JMG7Q","short_pith_number":"pith:3FQQX2DK","canonical_record":{"source":{"id":"2603.17931","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-03-18T17:05:44Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"533ab6f4b3803b19a5cd10f8101dc06b190bd2c36e82e25a65d381682e4d1ec2","abstract_canon_sha256":"16f38136887a539c08b12851c24877e809bf22cac9d70ffa483e89e0b84f1960"},"schema_version":"1.0"},"canonical_sha256":"d9610be86a74ae743503e92bbd2586fc2727231ae70f8dce50823a9a4d7923ee","source":{"kind":"arxiv","id":"2603.17931","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.17931","created_at":"2026-05-26T01:02:33Z"},{"alias_kind":"arxiv_version","alias_value":"2603.17931v2","created_at":"2026-05-26T01:02:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.17931","created_at":"2026-05-26T01:02:33Z"},{"alias_kind":"pith_short_12","alias_value":"3FQQX2DKOSXH","created_at":"2026-05-26T01:02:33Z"},{"alias_kind":"pith_short_16","alias_value":"3FQQX2DKOSXHINID","created_at":"2026-05-26T01:02:33Z"},{"alias_kind":"pith_short_8","alias_value":"3FQQX2DK","created_at":"2026-05-26T01:02:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:3FQQX2DKOSXHINID5EV32JMG7Q","target":"record","payload":{"canonical_record":{"source":{"id":"2603.17931","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-03-18T17:05:44Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"533ab6f4b3803b19a5cd10f8101dc06b190bd2c36e82e25a65d381682e4d1ec2","abstract_canon_sha256":"16f38136887a539c08b12851c24877e809bf22cac9d70ffa483e89e0b84f1960"},"schema_version":"1.0"},"canonical_sha256":"d9610be86a74ae743503e92bbd2586fc2727231ae70f8dce50823a9a4d7923ee","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T01:02:33.500257Z","signature_b64":"YGqtEQ83H0meborbBSnoLeXMxF1GQLgRh1wJL00BhFkRkpNf+0trgsXqqQCpZWMYBhgEelBY+Q7zDJEaOPMgAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9610be86a74ae743503e92bbd2586fc2727231ae70f8dce50823a9a4d7923ee","last_reissued_at":"2026-05-26T01:02:33.499459Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T01:02:33.499459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2603.17931","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":"2026-05-26T01:02:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GR0yiH0fBflMM1oiiGXjgrNQj87hA9LH+OblcEeVHPkpok9oQmJcXRijpqeySUpHLffpmYWy3KfyD4e2kuobBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T06:46:49.826177Z"},"content_sha256":"e4a5c0c009c2dcc9cf174277fad8bb1c1a335b50f07b1e2b61e07a49b4b016d6","schema_version":"1.0","event_id":"sha256:e4a5c0c009c2dcc9cf174277fad8bb1c1a335b50f07b1e2b61e07a49b4b016d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:3FQQX2DKOSXHINID5EV32JMG7Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Real-time Coordination of Cascaded Hydropower under Decision-Dependent Uncertainty","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Bolun Xu, Eliza Cohn, Ning Qi, Upmanu Lall","submitted_at":"2026-03-18T17:05:44Z","abstract_excerpt":"This study proposes a real-time control framework for cascaded hydropower systems that incorporates decision-dependent uncertainty (DDU) to capture the coupling of streamflow uncertainties across the reservoirs. The framework jointly models exogenous forecast errors and endogenous uncertainty propagation, explicitly characterizing the dependence between upstream releases and downstream inflow variability through a heteroskedastic variance model conditioned on past errors, variance, and control actions. We formulate a joint chance-constrained optimization problem to ensure reliable system opera"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.17931","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/2603.17931/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":"2026-05-26T01:02:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rD8r7XfjM4ZgVN845ThtQJdXVw+JJa7Ee1bS+Zgi324W0+CRn2xtWc9CBklyIz4gpfqyuv9Do7j1LvBUYWueDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T06:46:49.826926Z"},"content_sha256":"d930f56458bcec7f85c9ce15deb1666158587950a57abbb5ffad7e96f16f9844","schema_version":"1.0","event_id":"sha256:d930f56458bcec7f85c9ce15deb1666158587950a57abbb5ffad7e96f16f9844"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3FQQX2DKOSXHINID5EV32JMG7Q/bundle.json","state_url":"https://pith.science/pith/3FQQX2DKOSXHINID5EV32JMG7Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3FQQX2DKOSXHINID5EV32JMG7Q/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":"2026-06-06T06:46:49Z","links":{"resolver":"https://pith.science/pith/3FQQX2DKOSXHINID5EV32JMG7Q","bundle":"https://pith.science/pith/3FQQX2DKOSXHINID5EV32JMG7Q/bundle.json","state":"https://pith.science/pith/3FQQX2DKOSXHINID5EV32JMG7Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3FQQX2DKOSXHINID5EV32JMG7Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:3FQQX2DKOSXHINID5EV32JMG7Q","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":"16f38136887a539c08b12851c24877e809bf22cac9d70ffa483e89e0b84f1960","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-03-18T17:05:44Z","title_canon_sha256":"533ab6f4b3803b19a5cd10f8101dc06b190bd2c36e82e25a65d381682e4d1ec2"},"schema_version":"1.0","source":{"id":"2603.17931","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.17931","created_at":"2026-05-26T01:02:33Z"},{"alias_kind":"arxiv_version","alias_value":"2603.17931v2","created_at":"2026-05-26T01:02:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.17931","created_at":"2026-05-26T01:02:33Z"},{"alias_kind":"pith_short_12","alias_value":"3FQQX2DKOSXH","created_at":"2026-05-26T01:02:33Z"},{"alias_kind":"pith_short_16","alias_value":"3FQQX2DKOSXHINID","created_at":"2026-05-26T01:02:33Z"},{"alias_kind":"pith_short_8","alias_value":"3FQQX2DK","created_at":"2026-05-26T01:02:33Z"}],"graph_snapshots":[{"event_id":"sha256:d930f56458bcec7f85c9ce15deb1666158587950a57abbb5ffad7e96f16f9844","target":"graph","created_at":"2026-05-26T01:02:33Z","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/2603.17931/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This study proposes a real-time control framework for cascaded hydropower systems that incorporates decision-dependent uncertainty (DDU) to capture the coupling of streamflow uncertainties across the reservoirs. The framework jointly models exogenous forecast errors and endogenous uncertainty propagation, explicitly characterizing the dependence between upstream releases and downstream inflow variability through a heteroskedastic variance model conditioned on past errors, variance, and control actions. We formulate a joint chance-constrained optimization problem to ensure reliable system opera","authors_text":"Bolun Xu, Eliza Cohn, Ning Qi, Upmanu Lall","cross_cats":["cs.SY"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-03-18T17:05:44Z","title":"Real-time Coordination of Cascaded Hydropower under Decision-Dependent Uncertainty"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.17931","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:e4a5c0c009c2dcc9cf174277fad8bb1c1a335b50f07b1e2b61e07a49b4b016d6","target":"record","created_at":"2026-05-26T01:02:33Z","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":"16f38136887a539c08b12851c24877e809bf22cac9d70ffa483e89e0b84f1960","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-03-18T17:05:44Z","title_canon_sha256":"533ab6f4b3803b19a5cd10f8101dc06b190bd2c36e82e25a65d381682e4d1ec2"},"schema_version":"1.0","source":{"id":"2603.17931","kind":"arxiv","version":2}},"canonical_sha256":"d9610be86a74ae743503e92bbd2586fc2727231ae70f8dce50823a9a4d7923ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9610be86a74ae743503e92bbd2586fc2727231ae70f8dce50823a9a4d7923ee","first_computed_at":"2026-05-26T01:02:33.499459Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T01:02:33.499459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YGqtEQ83H0meborbBSnoLeXMxF1GQLgRh1wJL00BhFkRkpNf+0trgsXqqQCpZWMYBhgEelBY+Q7zDJEaOPMgAg==","signature_status":"signed_v1","signed_at":"2026-05-26T01:02:33.500257Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.17931","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e4a5c0c009c2dcc9cf174277fad8bb1c1a335b50f07b1e2b61e07a49b4b016d6","sha256:d930f56458bcec7f85c9ce15deb1666158587950a57abbb5ffad7e96f16f9844"],"state_sha256":"4cb9059da7fa8ac823f978700000aa3269a0aec789110defbbe2fa402e83aca7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XhwigNx2W0vvnq/LMVm0r195ONBMYV+7W/VxWxmpdkBjA9M9Sniq3CAvv7BGW98DVuaH0juUc9CX2SsPjErHDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T06:46:49.830706Z","bundle_sha256":"9b1ec6bb0584df3ae6c708d6dfb619e7810c37395fab3d84f9465bba4845b076"}}