{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:FIRGSAKX4VVSGSBZMTYC2EUYEB","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":"12f56bda33e2e124bd57799f51d58f96da8d4341473efa404f259665ffe832a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-04-28T14:51:55Z","title_canon_sha256":"c231b2f91474dc91b89adb3252fb5b62b927b3020ffc8d7c5847cfcda3783c9c"},"schema_version":"1.0","source":{"id":"2504.19861","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.19861","created_at":"2026-07-05T10:55:04Z"},{"alias_kind":"arxiv_version","alias_value":"2504.19861v1","created_at":"2026-07-05T10:55:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.19861","created_at":"2026-07-05T10:55:04Z"},{"alias_kind":"pith_short_12","alias_value":"FIRGSAKX4VVS","created_at":"2026-07-05T10:55:04Z"},{"alias_kind":"pith_short_16","alias_value":"FIRGSAKX4VVSGSBZ","created_at":"2026-07-05T10:55:04Z"},{"alias_kind":"pith_short_8","alias_value":"FIRGSAKX","created_at":"2026-07-05T10:55:04Z"}],"graph_snapshots":[{"event_id":"sha256:87a6566700450eacae8826b2cf271710a54da412bff10e45291da4296c681898","target":"graph","created_at":"2026-07-05T10:55:04Z","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/2504.19861/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce a Machine Learning framework, HIPED (HeIght and width Predictor for Edge Dynamics), for predicting and optimizing pedestal and core performance in spherical tokamak plasmas. Trained on pedestal and core datasets from the third MAST-U campaign, HIPED provides accurate estimates of pedestal height and width. The results reveal notable differences compared with conventional aspect-ratio studies; for instance, a simple power-law relation between pedestal width and height has very low accuracy. Instead, additional parameters such as normalized plasma pressure, elongation, and Greenwald","authors_text":"C. Bowman, C. J. Fitzpatrick, J.F. Parisi, J. G. Clark, J. W. Berkery, M. Lampert, S. M. Kaye","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-04-28T14:51:55Z","title":"HIPED: Machine Learning Framework for Spherical Tokamak Pedestal Prediction and Optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.19861","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":"sha256:924a11eff2e0c8f4cf9429516e36f122986ccb6853f0941fc292d5813a5716a7","target":"record","created_at":"2026-07-05T10:55:04Z","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":"12f56bda33e2e124bd57799f51d58f96da8d4341473efa404f259665ffe832a4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2025-04-28T14:51:55Z","title_canon_sha256":"c231b2f91474dc91b89adb3252fb5b62b927b3020ffc8d7c5847cfcda3783c9c"},"schema_version":"1.0","source":{"id":"2504.19861","kind":"arxiv","version":1}},"canonical_sha256":"2a22690157e56b23483964f02d12982048acc16dce786fbce02ad08a75968d72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a22690157e56b23483964f02d12982048acc16dce786fbce02ad08a75968d72","first_computed_at":"2026-07-05T10:55:04.839233Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:55:04.839233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sRNaqwRn0A8tiUYJexODR/4XQb9PumMpkWIbdboAcOnc+KLMTEGe3tG34bRGSItKpkOZhnGkbgV4G6K8zpe+Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:55:04.839650Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.19861","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:924a11eff2e0c8f4cf9429516e36f122986ccb6853f0941fc292d5813a5716a7","sha256:87a6566700450eacae8826b2cf271710a54da412bff10e45291da4296c681898"],"state_sha256":"25de9bccf4c1f6b29e3f910f2b815a76968960aa2b8e5971714b2c9b2cc2d4b5"}