{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:CE66Y33FFP55MO3ITCBHBNZDL2","short_pith_number":"pith:CE66Y33F","canonical_record":{"source":{"id":"1502.07402","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-02-25T23:40:19Z","cross_cats_sorted":[],"title_canon_sha256":"a07656a9e83261c3b1eb8984030cf60b8c6ce345f416ad2fc3ba22e75be57b74","abstract_canon_sha256":"26e237d5c97e3de487ebe80aa98ac93bfa54a27639d813eb9167cd7ef9911606"},"schema_version":"1.0"},"canonical_sha256":"113dec6f652bfbd63b68988270b7235e898cae0448ba58f28393e08b72e0533e","source":{"kind":"arxiv","id":"1502.07402","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.07402","created_at":"2026-05-18T01:34:24Z"},{"alias_kind":"arxiv_version","alias_value":"1502.07402v2","created_at":"2026-05-18T01:34:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.07402","created_at":"2026-05-18T01:34:24Z"},{"alias_kind":"pith_short_12","alias_value":"CE66Y33FFP55","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"CE66Y33FFP55MO3I","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"CE66Y33F","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:CE66Y33FFP55MO3ITCBHBNZDL2","target":"record","payload":{"canonical_record":{"source":{"id":"1502.07402","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-02-25T23:40:19Z","cross_cats_sorted":[],"title_canon_sha256":"a07656a9e83261c3b1eb8984030cf60b8c6ce345f416ad2fc3ba22e75be57b74","abstract_canon_sha256":"26e237d5c97e3de487ebe80aa98ac93bfa54a27639d813eb9167cd7ef9911606"},"schema_version":"1.0"},"canonical_sha256":"113dec6f652bfbd63b68988270b7235e898cae0448ba58f28393e08b72e0533e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:24.524557Z","signature_b64":"uVNxHPMuRXKl3rXq5JqT4tUi2Q53FJWFaGu3d9VchmgpM1UG0DGb9p9TtTPQimZ0yvzC6pH7OmnsoxiBr4p3Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"113dec6f652bfbd63b68988270b7235e898cae0448ba58f28393e08b72e0533e","last_reissued_at":"2026-05-18T01:34:24.523885Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:24.523885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.07402","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":"2026-05-18T01:34:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4TQVwQNg17srq8Qzvu+9LphsLla8FIZDzfMRYlKLP35dj3kdykGyKBCDtwqM1ms8n0n61RhoatN1Qx7ATHjCCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:49:59.477906Z"},"content_sha256":"ab8b1fa9fc8513f7d40b8913de324095b931152e3c8988eaf1f5add68f165f61","schema_version":"1.0","event_id":"sha256:ab8b1fa9fc8513f7d40b8913de324095b931152e3c8988eaf1f5add68f165f61"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:CE66Y33FFP55MO3ITCBHBNZDL2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Real-time capable first principle based modelling of tokamak turbulent transport","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"B. Baiocchi, C. Bourdelle, F. Felici, F. Imbeaux, J. Citrin, J.F. Artaud, J. Garcia, S. Breton, T. Aniel, Y. Camenen","submitted_at":"2015-02-25T23:40:19Z","abstract_excerpt":"A real-time capable core turbulence tokamak transport model is developed. This model is constructed from the regularized nonlinear regression of quasilinear gyrokinetic transport code output. The regression is performed with a multilayer perceptron neural network. The transport code input for the neural network training set consists of five dimensions, and is limited to adiabatic electrons. The neural network model successfully reproduces transport fluxes predicted by the original quasilinear model, while gaining five orders of magnitude in computation time. The model is implemented in a real-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.07402","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":""},"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":"2026-05-18T01:34:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"19dA/SGXlkHYrDvTbq58rh3xF1kXPygdm6Mg7BDQ3PbSzl2pATfJ6tpWoPedKXxFIeHb+at+0lJTqsGdE5KbAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:49:59.478261Z"},"content_sha256":"f387b780a6a167c15c0c5488a38d15f05d45a5d26ff9ccacb1f12931988fec24","schema_version":"1.0","event_id":"sha256:f387b780a6a167c15c0c5488a38d15f05d45a5d26ff9ccacb1f12931988fec24"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CE66Y33FFP55MO3ITCBHBNZDL2/bundle.json","state_url":"https://pith.science/pith/CE66Y33FFP55MO3ITCBHBNZDL2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CE66Y33FFP55MO3ITCBHBNZDL2/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":"2026-05-28T00:49:59Z","links":{"resolver":"https://pith.science/pith/CE66Y33FFP55MO3ITCBHBNZDL2","bundle":"https://pith.science/pith/CE66Y33FFP55MO3ITCBHBNZDL2/bundle.json","state":"https://pith.science/pith/CE66Y33FFP55MO3ITCBHBNZDL2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CE66Y33FFP55MO3ITCBHBNZDL2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:CE66Y33FFP55MO3ITCBHBNZDL2","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":"26e237d5c97e3de487ebe80aa98ac93bfa54a27639d813eb9167cd7ef9911606","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-02-25T23:40:19Z","title_canon_sha256":"a07656a9e83261c3b1eb8984030cf60b8c6ce345f416ad2fc3ba22e75be57b74"},"schema_version":"1.0","source":{"id":"1502.07402","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.07402","created_at":"2026-05-18T01:34:24Z"},{"alias_kind":"arxiv_version","alias_value":"1502.07402v2","created_at":"2026-05-18T01:34:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.07402","created_at":"2026-05-18T01:34:24Z"},{"alias_kind":"pith_short_12","alias_value":"CE66Y33FFP55","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"CE66Y33FFP55MO3I","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"CE66Y33F","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:f387b780a6a167c15c0c5488a38d15f05d45a5d26ff9ccacb1f12931988fec24","target":"graph","created_at":"2026-05-18T01:34:24Z","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"},"paper":{"abstract_excerpt":"A real-time capable core turbulence tokamak transport model is developed. This model is constructed from the regularized nonlinear regression of quasilinear gyrokinetic transport code output. The regression is performed with a multilayer perceptron neural network. The transport code input for the neural network training set consists of five dimensions, and is limited to adiabatic electrons. The neural network model successfully reproduces transport fluxes predicted by the original quasilinear model, while gaining five orders of magnitude in computation time. The model is implemented in a real-","authors_text":"B. Baiocchi, C. Bourdelle, F. Felici, F. Imbeaux, J. Citrin, J.F. Artaud, J. Garcia, S. Breton, T. Aniel, Y. Camenen","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-02-25T23:40:19Z","title":"Real-time capable first principle based modelling of tokamak turbulent transport"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.07402","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:ab8b1fa9fc8513f7d40b8913de324095b931152e3c8988eaf1f5add68f165f61","target":"record","created_at":"2026-05-18T01:34:24Z","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":"26e237d5c97e3de487ebe80aa98ac93bfa54a27639d813eb9167cd7ef9911606","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-02-25T23:40:19Z","title_canon_sha256":"a07656a9e83261c3b1eb8984030cf60b8c6ce345f416ad2fc3ba22e75be57b74"},"schema_version":"1.0","source":{"id":"1502.07402","kind":"arxiv","version":2}},"canonical_sha256":"113dec6f652bfbd63b68988270b7235e898cae0448ba58f28393e08b72e0533e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"113dec6f652bfbd63b68988270b7235e898cae0448ba58f28393e08b72e0533e","first_computed_at":"2026-05-18T01:34:24.523885Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:24.523885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uVNxHPMuRXKl3rXq5JqT4tUi2Q53FJWFaGu3d9VchmgpM1UG0DGb9p9TtTPQimZ0yvzC6pH7OmnsoxiBr4p3Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:24.524557Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.07402","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab8b1fa9fc8513f7d40b8913de324095b931152e3c8988eaf1f5add68f165f61","sha256:f387b780a6a167c15c0c5488a38d15f05d45a5d26ff9ccacb1f12931988fec24"],"state_sha256":"697d4ba61ec9e71ff0f11a338bd1298994078a1062a90b278d27b0b189092b55"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1eWU6Xdt7jhL3/fMj+O0hOb3iUS8ddevyJgEJzryhOSSwixMPZ53+MDT+lNeQmL/j6ceI065AoFD9JieGA2ZCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:49:59.480236Z","bundle_sha256":"f1d5128d37c9624cc74b26100d98240fdcc9fcdba7823f773d6dbf963e2e891a"}}