{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:F254R7S2ROEJDAYVEJHDN7MR3P","short_pith_number":"pith:F254R7S2","canonical_record":{"source":{"id":"2401.05972","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2024-01-11T15:20:06Z","cross_cats_sorted":["cs.CE","cs.LG","physics.plasm-ph"],"title_canon_sha256":"cd946de8adbc640d87ec4811ad383d35c2404ae6b390dce79ceef1579540fd82","abstract_canon_sha256":"fca249751431f278ba2c63da4f929210925a7d54d0358863b5ba922fa73c0ce1"},"schema_version":"1.0"},"canonical_sha256":"2ebbc8fe5a8b88918315224e36fd91dbfe06794075542ae3afe8cfa9796d82b4","source":{"kind":"arxiv","id":"2401.05972","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.05972","created_at":"2026-07-05T09:37:34Z"},{"alias_kind":"arxiv_version","alias_value":"2401.05972v3","created_at":"2026-07-05T09:37:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.05972","created_at":"2026-07-05T09:37:34Z"},{"alias_kind":"pith_short_12","alias_value":"F254R7S2ROEJ","created_at":"2026-07-05T09:37:34Z"},{"alias_kind":"pith_short_16","alias_value":"F254R7S2ROEJDAYV","created_at":"2026-07-05T09:37:34Z"},{"alias_kind":"pith_short_8","alias_value":"F254R7S2","created_at":"2026-07-05T09:37:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:F254R7S2ROEJDAYVEJHDN7MR3P","target":"record","payload":{"canonical_record":{"source":{"id":"2401.05972","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2024-01-11T15:20:06Z","cross_cats_sorted":["cs.CE","cs.LG","physics.plasm-ph"],"title_canon_sha256":"cd946de8adbc640d87ec4811ad383d35c2404ae6b390dce79ceef1579540fd82","abstract_canon_sha256":"fca249751431f278ba2c63da4f929210925a7d54d0358863b5ba922fa73c0ce1"},"schema_version":"1.0"},"canonical_sha256":"2ebbc8fe5a8b88918315224e36fd91dbfe06794075542ae3afe8cfa9796d82b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:37:34.460584Z","signature_b64":"O9pQBHmJbOQnliZREo+SDmsQ7HQOHQYa4cLCKKQCiVypqvwnptPBFAoE4ocr0/o/w+r7zEd2ruOThOCpCNmOCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ebbc8fe5a8b88918315224e36fd91dbfe06794075542ae3afe8cfa9796d82b4","last_reissued_at":"2026-07-05T09:37:34.460149Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:37:34.460149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.05972","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":"2026-07-05T09:37:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rs+8mwbYrKH8D0lO3rJjU73R8wO9ljvtMyFi2hj/TI1+78oEyQYeh6ix5i+Y3L4UhIjxcZ7f1GKcDHPt3PrkAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T10:05:31.987335Z"},"content_sha256":"e11eb7653b9fc258f92d5b361c73bb6b5824203c6dc6847c8ae9e029a258415e","schema_version":"1.0","event_id":"sha256:e11eb7653b9fc258f92d5b361c73bb6b5824203c6dc6847c8ae9e029a258415e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:F254R7S2ROEJDAYVEJHDN7MR3P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scientific Machine Learning Based Reduced-Order Models for Plasma Turbulence Simulations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CE","cs.LG","physics.plasm-ph"],"primary_cat":"physics.comp-ph","authors_text":"Constantin Gahr, Frank Jenko, Ionut-Gabriel Farcas","submitted_at":"2024-01-11T15:20:06Z","abstract_excerpt":"This paper investigates non-intrusive Scientific Machine Learning (SciML) Reduced-Order Models (ROMs) for plasma turbulence simulations. In particular, we focus on Operator Inference (OpInf) to build low-cost physics-based ROMs from data for such simulations. As a representative example, we consider the (classical) Hasegawa-Wakatani (HW) equations used for modeling two-dimensional electrostatic drift-wave turbulence. For a comprehensive perspective of the potential of OpInf to construct predictive ROMs, we consider three setups for the HW equations by varying a key parameter, namely the adiaba"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.05972","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2401.05972/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":"2026-07-05T09:37:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cb5KLmITj3+SNcVW2hCxlneRwXEn4QqiVfvR0meEIzW2nEdM5NHQPcvYOumdntc1qjk06AqyKyryu902cufLDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T10:05:31.987837Z"},"content_sha256":"7bb5194cd9662bbb81144b8099b04032d2278a9775d2bfa0eec764dcdb235027","schema_version":"1.0","event_id":"sha256:7bb5194cd9662bbb81144b8099b04032d2278a9775d2bfa0eec764dcdb235027"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F254R7S2ROEJDAYVEJHDN7MR3P/bundle.json","state_url":"https://pith.science/pith/F254R7S2ROEJDAYVEJHDN7MR3P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F254R7S2ROEJDAYVEJHDN7MR3P/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":"2026-08-09T10:05:31Z","links":{"resolver":"https://pith.science/pith/F254R7S2ROEJDAYVEJHDN7MR3P","bundle":"https://pith.science/pith/F254R7S2ROEJDAYVEJHDN7MR3P/bundle.json","state":"https://pith.science/pith/F254R7S2ROEJDAYVEJHDN7MR3P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F254R7S2ROEJDAYVEJHDN7MR3P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:F254R7S2ROEJDAYVEJHDN7MR3P","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":"fca249751431f278ba2c63da4f929210925a7d54d0358863b5ba922fa73c0ce1","cross_cats_sorted":["cs.CE","cs.LG","physics.plasm-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2024-01-11T15:20:06Z","title_canon_sha256":"cd946de8adbc640d87ec4811ad383d35c2404ae6b390dce79ceef1579540fd82"},"schema_version":"1.0","source":{"id":"2401.05972","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.05972","created_at":"2026-07-05T09:37:34Z"},{"alias_kind":"arxiv_version","alias_value":"2401.05972v3","created_at":"2026-07-05T09:37:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.05972","created_at":"2026-07-05T09:37:34Z"},{"alias_kind":"pith_short_12","alias_value":"F254R7S2ROEJ","created_at":"2026-07-05T09:37:34Z"},{"alias_kind":"pith_short_16","alias_value":"F254R7S2ROEJDAYV","created_at":"2026-07-05T09:37:34Z"},{"alias_kind":"pith_short_8","alias_value":"F254R7S2","created_at":"2026-07-05T09:37:34Z"}],"graph_snapshots":[{"event_id":"sha256:7bb5194cd9662bbb81144b8099b04032d2278a9775d2bfa0eec764dcdb235027","target":"graph","created_at":"2026-07-05T09:37:34Z","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/2401.05972/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper investigates non-intrusive Scientific Machine Learning (SciML) Reduced-Order Models (ROMs) for plasma turbulence simulations. In particular, we focus on Operator Inference (OpInf) to build low-cost physics-based ROMs from data for such simulations. As a representative example, we consider the (classical) Hasegawa-Wakatani (HW) equations used for modeling two-dimensional electrostatic drift-wave turbulence. For a comprehensive perspective of the potential of OpInf to construct predictive ROMs, we consider three setups for the HW equations by varying a key parameter, namely the adiaba","authors_text":"Constantin Gahr, Frank Jenko, Ionut-Gabriel Farcas","cross_cats":["cs.CE","cs.LG","physics.plasm-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2024-01-11T15:20:06Z","title":"Scientific Machine Learning Based Reduced-Order Models for Plasma Turbulence Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.05972","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:e11eb7653b9fc258f92d5b361c73bb6b5824203c6dc6847c8ae9e029a258415e","target":"record","created_at":"2026-07-05T09:37:34Z","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":"fca249751431f278ba2c63da4f929210925a7d54d0358863b5ba922fa73c0ce1","cross_cats_sorted":["cs.CE","cs.LG","physics.plasm-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.comp-ph","submitted_at":"2024-01-11T15:20:06Z","title_canon_sha256":"cd946de8adbc640d87ec4811ad383d35c2404ae6b390dce79ceef1579540fd82"},"schema_version":"1.0","source":{"id":"2401.05972","kind":"arxiv","version":3}},"canonical_sha256":"2ebbc8fe5a8b88918315224e36fd91dbfe06794075542ae3afe8cfa9796d82b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ebbc8fe5a8b88918315224e36fd91dbfe06794075542ae3afe8cfa9796d82b4","first_computed_at":"2026-07-05T09:37:34.460149Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:37:34.460149Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O9pQBHmJbOQnliZREo+SDmsQ7HQOHQYa4cLCKKQCiVypqvwnptPBFAoE4ocr0/o/w+r7zEd2ruOThOCpCNmOCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:37:34.460584Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.05972","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e11eb7653b9fc258f92d5b361c73bb6b5824203c6dc6847c8ae9e029a258415e","sha256:7bb5194cd9662bbb81144b8099b04032d2278a9775d2bfa0eec764dcdb235027"],"state_sha256":"50daf1350f46225e00d0127bfc6eac7e7b121a56509fe0a9187b30caab83337c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JzCfI/4QTxM+wDVPKCB7na0iHc1MdwUUgzjSLXaPGhnq1f+bbhifcGQRED9CjKUJYIzHRVb0l0DIUhdV3tD7DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T10:05:31.991459Z","bundle_sha256":"ffffd096007a446fa1205b64e46fe3d7cb9cc59485cd24802d27f316f08b09bd"}}