{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:KUQEVUAANZ3G7LPXYTKSYWO3M5","short_pith_number":"pith:KUQEVUAA","canonical_record":{"source":{"id":"2606.27620","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-06-26T00:32:33Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"039efaa243bee62c47ebd128651170ceb3389c04c3a1cadd2c66f4f8836cc98e","abstract_canon_sha256":"aae2ccdfc0ba43b9516656d99f70f158546807ee6d47b7de0084eb3d6c61866b"},"schema_version":"1.0"},"canonical_sha256":"55204ad0006e766fadf7c4d52c59db6758c3ac965668a81f66b7fd28d8909daf","source":{"kind":"arxiv","id":"2606.27620","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.27620","created_at":"2026-06-29T00:14:12Z"},{"alias_kind":"arxiv_version","alias_value":"2606.27620v1","created_at":"2026-06-29T00:14:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.27620","created_at":"2026-06-29T00:14:12Z"},{"alias_kind":"pith_short_12","alias_value":"KUQEVUAANZ3G","created_at":"2026-06-29T00:14:12Z"},{"alias_kind":"pith_short_16","alias_value":"KUQEVUAANZ3G7LPX","created_at":"2026-06-29T00:14:12Z"},{"alias_kind":"pith_short_8","alias_value":"KUQEVUAA","created_at":"2026-06-29T00:14:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:KUQEVUAANZ3G7LPXYTKSYWO3M5","target":"record","payload":{"canonical_record":{"source":{"id":"2606.27620","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-06-26T00:32:33Z","cross_cats_sorted":["physics.space-ph"],"title_canon_sha256":"039efaa243bee62c47ebd128651170ceb3389c04c3a1cadd2c66f4f8836cc98e","abstract_canon_sha256":"aae2ccdfc0ba43b9516656d99f70f158546807ee6d47b7de0084eb3d6c61866b"},"schema_version":"1.0"},"canonical_sha256":"55204ad0006e766fadf7c4d52c59db6758c3ac965668a81f66b7fd28d8909daf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-29T00:14:12.118585Z","signature_b64":"RIqaY1xlNqanAYuHSTtPY7mfMuCxBTllPU4tM/uq282JqFpsVdIgv16hdKbolJNlWzeIx1WOS69teI1m6gZICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55204ad0006e766fadf7c4d52c59db6758c3ac965668a81f66b7fd28d8909daf","last_reissued_at":"2026-06-29T00:14:12.118145Z","signature_status":"signed_v1","first_computed_at":"2026-06-29T00:14:12.118145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.27620","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-06-29T00:14:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Py6XCEA9mLQToeFxu1taIW5XZzrCyuvzehY8h/4I+QXoFgXy5nhSiFboLxw8Tc2nmqSQnJMazdJg7Ehv7F3JBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T14:10:08.448916Z"},"content_sha256":"1ae2e2af0d12a16af38607ba9a182bb8a076fb844b284003d733fbc34b90467e","schema_version":"1.0","event_id":"sha256:1ae2e2af0d12a16af38607ba9a182bb8a076fb844b284003d733fbc34b90467e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:KUQEVUAANZ3G7LPXYTKSYWO3M5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inferring solar-wind plasma structures from sparse probe trajectories using recurrent reduced-order learning","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.space-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Farbod Faraji, Maryam Reza","submitted_at":"2026-06-26T00:32:33Z","abstract_excerpt":"In space plasma studies, spacecraft measurements often provide time histories of the solar-wind plasma. However, many heliospheric plasma processes are organized over spatial scales that cannot be directly resolved by limited local sampling. This creates a persistent challenge: how to use limited probe measurements to recover the spatial plasma distributions needed to interpret evolving solar-wind structures. In this work, we present a recurrent reduced-order learning framework to address this challenge. The method is demonstrated using WSA-ENLIL solar-wind simulation data to reconstruct two-d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.27620","kind":"arxiv","version":1},"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/2606.27620/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":"2026-06-29T00:14:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x9Ug8cbKPLy7QC1RYb7I/JWnw+fQFpwb4c7RSKLkrOpIFhKqhL6/xfosP+KCiFEK07/JAgLLT5949f4qdgK9CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T14:10:08.449825Z"},"content_sha256":"28e22d309c6913288ab3370721553b4dda311ee549aa8c7419f6ea11442b519c","schema_version":"1.0","event_id":"sha256:28e22d309c6913288ab3370721553b4dda311ee549aa8c7419f6ea11442b519c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KUQEVUAANZ3G7LPXYTKSYWO3M5/bundle.json","state_url":"https://pith.science/pith/KUQEVUAANZ3G7LPXYTKSYWO3M5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KUQEVUAANZ3G7LPXYTKSYWO3M5/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":"2026-08-14T14:10:08Z","links":{"resolver":"https://pith.science/pith/KUQEVUAANZ3G7LPXYTKSYWO3M5","bundle":"https://pith.science/pith/KUQEVUAANZ3G7LPXYTKSYWO3M5/bundle.json","state":"https://pith.science/pith/KUQEVUAANZ3G7LPXYTKSYWO3M5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KUQEVUAANZ3G7LPXYTKSYWO3M5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KUQEVUAANZ3G7LPXYTKSYWO3M5","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":"aae2ccdfc0ba43b9516656d99f70f158546807ee6d47b7de0084eb3d6c61866b","cross_cats_sorted":["physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-06-26T00:32:33Z","title_canon_sha256":"039efaa243bee62c47ebd128651170ceb3389c04c3a1cadd2c66f4f8836cc98e"},"schema_version":"1.0","source":{"id":"2606.27620","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.27620","created_at":"2026-06-29T00:14:12Z"},{"alias_kind":"arxiv_version","alias_value":"2606.27620v1","created_at":"2026-06-29T00:14:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.27620","created_at":"2026-06-29T00:14:12Z"},{"alias_kind":"pith_short_12","alias_value":"KUQEVUAANZ3G","created_at":"2026-06-29T00:14:12Z"},{"alias_kind":"pith_short_16","alias_value":"KUQEVUAANZ3G7LPX","created_at":"2026-06-29T00:14:12Z"},{"alias_kind":"pith_short_8","alias_value":"KUQEVUAA","created_at":"2026-06-29T00:14:12Z"}],"graph_snapshots":[{"event_id":"sha256:28e22d309c6913288ab3370721553b4dda311ee549aa8c7419f6ea11442b519c","target":"graph","created_at":"2026-06-29T00:14:12Z","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/2606.27620/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In space plasma studies, spacecraft measurements often provide time histories of the solar-wind plasma. However, many heliospheric plasma processes are organized over spatial scales that cannot be directly resolved by limited local sampling. This creates a persistent challenge: how to use limited probe measurements to recover the spatial plasma distributions needed to interpret evolving solar-wind structures. In this work, we present a recurrent reduced-order learning framework to address this challenge. The method is demonstrated using WSA-ENLIL solar-wind simulation data to reconstruct two-d","authors_text":"Farbod Faraji, Maryam Reza","cross_cats":["physics.space-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-06-26T00:32:33Z","title":"Inferring solar-wind plasma structures from sparse probe trajectories using recurrent reduced-order learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.27620","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":"sha256:1ae2e2af0d12a16af38607ba9a182bb8a076fb844b284003d733fbc34b90467e","target":"record","created_at":"2026-06-29T00:14:12Z","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":"aae2ccdfc0ba43b9516656d99f70f158546807ee6d47b7de0084eb3d6c61866b","cross_cats_sorted":["physics.space-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.plasm-ph","submitted_at":"2026-06-26T00:32:33Z","title_canon_sha256":"039efaa243bee62c47ebd128651170ceb3389c04c3a1cadd2c66f4f8836cc98e"},"schema_version":"1.0","source":{"id":"2606.27620","kind":"arxiv","version":1}},"canonical_sha256":"55204ad0006e766fadf7c4d52c59db6758c3ac965668a81f66b7fd28d8909daf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"55204ad0006e766fadf7c4d52c59db6758c3ac965668a81f66b7fd28d8909daf","first_computed_at":"2026-06-29T00:14:12.118145Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-29T00:14:12.118145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RIqaY1xlNqanAYuHSTtPY7mfMuCxBTllPU4tM/uq282JqFpsVdIgv16hdKbolJNlWzeIx1WOS69teI1m6gZICA==","signature_status":"signed_v1","signed_at":"2026-06-29T00:14:12.118585Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.27620","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ae2e2af0d12a16af38607ba9a182bb8a076fb844b284003d733fbc34b90467e","sha256:28e22d309c6913288ab3370721553b4dda311ee549aa8c7419f6ea11442b519c"],"state_sha256":"8ce3089b4b8bf9b58a52e9130bbe95c9f38b8edb0e96302aea777bac096c4464"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VTirsUD3NMC+LxmoAQiudspbvyFU/iny9/2SmvHiQqzzppvpMJIwArJyfEH0F8+imOE9AluF0eE/k3pnq30tBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T14:10:08.455121Z","bundle_sha256":"fb18aab804dde8e4fc3626a03069c6cb1c7b696a252c7b420258594077d8c961"}}