{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:LE3GZBZDN6UVRR6GQE6CAMC4CZ","merge_version":"pith-open-graph-merge-v1","event_count":8,"valid_event_count":8,"invalid_event_count":0,"equivocation_count":1,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"c54e5258ce3d9e69ccbcb4282719f6075506e5019129820d8131eb787fc20f79","cross_cats_sorted":["cs.AI","cs.NA","math.NA","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-05-20T16:13:53Z","title_canon_sha256":"f44d23913b225c5b0c28e02e8f1827d57c28ddfdff3a49901e39d3067ddccf25"},"schema_version":"1.0","source":{"id":"2605.21348","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.21348","created_at":"2026-05-21T02:05:30Z"},{"alias_kind":"arxiv_version","alias_value":"2605.21348v1","created_at":"2026-05-21T02:05:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.21348","created_at":"2026-05-21T02:05:30Z"},{"alias_kind":"pith_short_12","alias_value":"LE3GZBZDN6UV","created_at":"2026-05-21T02:05:30Z"},{"alias_kind":"pith_short_16","alias_value":"LE3GZBZDN6UVRR6G","created_at":"2026-05-21T02:05:30Z"},{"alias_kind":"pith_short_8","alias_value":"LE3GZBZD","created_at":"2026-05-21T02:05:30Z"}],"graph_snapshots":[{"event_id":"sha256:00db954bf523362fc75280e11cf3ed3710943bf2cbcc0b54b361e47960543265","target":"graph","created_at":"2026-05-21T02:05:30Z","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/2605.21348/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Solving partial differential equations with neural operators significantly reduces computational costs but remains bottlenecked by high training data requirements. Active learning offers a natural framework to mitigate this by selectively acquiring the most informative samples in an iterative manner. We introduce physics-based acquisition - a novel physics-informed active learning algorithm that leverages the partial differential equation residual to guide data selection. We validate the method by presenting numerical experiments for the 1D Burgers equation and the 2D compressible Navier-Stoke","authors_text":"Alicja Polanska, Lorenzo Zanisi, Stanislas Pamela, Vignesh Gopakumar","cross_cats":["cs.AI","cs.NA","math.NA","physics.comp-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-05-20T16:13:53Z","title":"Data-Efficient Neural Operator Training via Physics-Based Active Learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.21348","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":"sha256:9bdb46dcbff5102637c1a73403a0d15453ca414e124149cdd99d2ee612c025f5","target":"record","created_at":"2026-05-21T02:05:30Z","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":"c54e5258ce3d9e69ccbcb4282719f6075506e5019129820d8131eb787fc20f79","cross_cats_sorted":["cs.AI","cs.NA","math.NA","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-05-20T16:13:53Z","title_canon_sha256":"f44d23913b225c5b0c28e02e8f1827d57c28ddfdff3a49901e39d3067ddccf25"},"schema_version":"1.0","source":{"id":"2605.21348","kind":"arxiv","version":1}},"canonical_sha256":"59366c87236fa958c7c6813c20305c16518c9794e2ca20e46425cf6a7bd4dffe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"59366c87236fa958c7c6813c20305c16518c9794e2ca20e46425cf6a7bd4dffe","first_computed_at":"2026-05-21T02:05:30.507704Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-21T02:05:30.507704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Nec4Zbb6DDKGYRiADmAQit0nlW/V4s1w5hu1qEJX0qfGfL5zowZUTTP4cdYSBXAl6wMG24QCQpDQePAIDZL5AA==","signature_status":"signed_v1","signed_at":"2026-05-21T02:05:30.508434Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.21348","source_kind":"arxiv","source_version":1}}},"equivocations":[{"signer_id":"pith.science","event_type":"integrity_finding","target":"integrity","event_ids":["sha256:0dba47efbd15587cb18730166b0dc3b9ba43a7b5000bdf80f4f5069f1db10eac","sha256:61fdfc94921574eee6d3a34a51c8c0e217a32030a88bb74cbe682a27c09aa723","sha256:74aff4898d0353b01776541db42a76d12566d5bdfa38087e1b5c3fd14e344a68","sha256:822c420b10a1a648645cfe37086891e48b71d708d8e413d8a6005c455e0e9bf0","sha256:82cf73a6052cbd80a4214f932a0bc00d9ef09126621f2fd2b911e635c199d65b","sha256:dc914fd6e107c49e2ce46f452cf3a5c0f725babf4b5b1d5bb65b7594feeee98e"]}],"invalid_events":[],"applied_event_ids":["sha256:9bdb46dcbff5102637c1a73403a0d15453ca414e124149cdd99d2ee612c025f5","sha256:00db954bf523362fc75280e11cf3ed3710943bf2cbcc0b54b361e47960543265"],"state_sha256":"f4e2833bc5a55f0080c0903002ab8d63069f92e412bb0158c4708587e2fc3e4e"}