{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:ODY7273J6V7ZOZQJEFX4T2YQHT","short_pith_number":"pith:ODY7273J","schema_version":"1.0","canonical_sha256":"70f1fd7f69f57f976609216fc9eb103cfb7749dbccc9a300e0b24cff9dff6ff8","source":{"kind":"arxiv","id":"2606.26779","version":1},"attestation_state":"computed","paper":{"title":"Magnetic Cloud Boundary Identification Using a Local-Normalized Magnetic Field Parameter","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.space-ph","authors_text":"Wei Su, Yudong Ye, Yuming Wang, Zhenjun Zhou, Ziwei Huang","submitted_at":"2026-06-25T09:14:01Z","abstract_excerpt":"Due to the lack of quantitative and reproducible criteria for identifying magnetic cloud (MC) boundaries, we propose a parameter that characterizes short-timescale variability in magnetic field strength. The parameter, referred to as the Local-Normalized Magnetic field parameter (LNM), is defined as $\\mathrm{LNM}(t)=\\log_{10}\\left(B(t)/\\langle B \\rangle_{\\mathrm{5m\\text{-}med}}(t)\\right)$, where $B(t)$ is the total magnetic field strength and $\\langle B \\rangle_{\\mathrm{5m\\text{-}med}}(t)$ is its 5-minute running median ending at time $t$.\n  This parameter measures the deviation of the magneti"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2606.26779","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.space-ph","submitted_at":"2026-06-25T09:14:01Z","cross_cats_sorted":[],"title_canon_sha256":"26bf0f93981c4ef94db3e4d13c55b0a8b6912488fcf7d6659e7854629aa026f9","abstract_canon_sha256":"2675919c5bae9dbc06b25997e8a3027e28c402dc4bf2759b546d69e8996a02f7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-26T01:15:59.510275Z","signature_b64":"nKHsWhpFl0vxecVlmrr4IvHbnupZcjcajHYAdc5opncEWA8BdHTVNYKgtv3rR4QyDGCYMse91YCKlmuGLhZ4Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"70f1fd7f69f57f976609216fc9eb103cfb7749dbccc9a300e0b24cff9dff6ff8","last_reissued_at":"2026-06-26T01:15:59.509892Z","signature_status":"signed_v1","first_computed_at":"2026-06-26T01:15:59.509892Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetic Cloud Boundary Identification Using a Local-Normalized Magnetic Field Parameter","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.space-ph","authors_text":"Wei Su, Yudong Ye, Yuming Wang, Zhenjun Zhou, Ziwei Huang","submitted_at":"2026-06-25T09:14:01Z","abstract_excerpt":"Due to the lack of quantitative and reproducible criteria for identifying magnetic cloud (MC) boundaries, we propose a parameter that characterizes short-timescale variability in magnetic field strength. The parameter, referred to as the Local-Normalized Magnetic field parameter (LNM), is defined as $\\mathrm{LNM}(t)=\\log_{10}\\left(B(t)/\\langle B \\rangle_{\\mathrm{5m\\text{-}med}}(t)\\right)$, where $B(t)$ is the total magnetic field strength and $\\langle B \\rangle_{\\mathrm{5m\\text{-}med}}(t)$ is its 5-minute running median ending at time $t$.\n  This parameter measures the deviation of the magneti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.26779","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/2606.26779/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2606.26779","created_at":"2026-06-26T01:15:59.509947+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.26779v1","created_at":"2026-06-26T01:15:59.509947+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.26779","created_at":"2026-06-26T01:15:59.509947+00:00"},{"alias_kind":"pith_short_12","alias_value":"ODY7273J6V7Z","created_at":"2026-06-26T01:15:59.509947+00:00"},{"alias_kind":"pith_short_16","alias_value":"ODY7273J6V7ZOZQJ","created_at":"2026-06-26T01:15:59.509947+00:00"},{"alias_kind":"pith_short_8","alias_value":"ODY7273J","created_at":"2026-06-26T01:15:59.509947+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ODY7273J6V7ZOZQJEFX4T2YQHT","json":"https://pith.science/pith/ODY7273J6V7ZOZQJEFX4T2YQHT.json","graph_json":"https://pith.science/api/pith-number/ODY7273J6V7ZOZQJEFX4T2YQHT/graph.json","events_json":"https://pith.science/api/pith-number/ODY7273J6V7ZOZQJEFX4T2YQHT/events.json","paper":"https://pith.science/paper/ODY7273J"},"agent_actions":{"view_html":"https://pith.science/pith/ODY7273J6V7ZOZQJEFX4T2YQHT","download_json":"https://pith.science/pith/ODY7273J6V7ZOZQJEFX4T2YQHT.json","view_paper":"https://pith.science/paper/ODY7273J","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.26779&json=true","fetch_graph":"https://pith.science/api/pith-number/ODY7273J6V7ZOZQJEFX4T2YQHT/graph.json","fetch_events":"https://pith.science/api/pith-number/ODY7273J6V7ZOZQJEFX4T2YQHT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ODY7273J6V7ZOZQJEFX4T2YQHT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ODY7273J6V7ZOZQJEFX4T2YQHT/action/storage_attestation","attest_author":"https://pith.science/pith/ODY7273J6V7ZOZQJEFX4T2YQHT/action/author_attestation","sign_citation":"https://pith.science/pith/ODY7273J6V7ZOZQJEFX4T2YQHT/action/citation_signature","submit_replication":"https://pith.science/pith/ODY7273J6V7ZOZQJEFX4T2YQHT/action/replication_record"}},"created_at":"2026-06-26T01:15:59.509947+00:00","updated_at":"2026-06-26T01:15:59.509947+00:00"}