{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:AUOTPICMOWU5BKIMAAKB72CVE6","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":"069446d549468dcb127f4265862c8fc62c881ce03b39f1c5c799a8b7dec4b422","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-05-08T12:31:46Z","title_canon_sha256":"7cc98bae48b7eb27bc09645b908431ef886315483c5a1105729b66a67ccbe9b4"},"schema_version":"1.0","source":{"id":"1805.02975","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02975","created_at":"2026-07-05T02:13:09Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02975v2","created_at":"2026-07-05T02:13:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02975","created_at":"2026-07-05T02:13:09Z"},{"alias_kind":"pith_short_12","alias_value":"AUOTPICMOWU5","created_at":"2026-07-05T02:13:09Z"},{"alias_kind":"pith_short_16","alias_value":"AUOTPICMOWU5BKIM","created_at":"2026-07-05T02:13:09Z"},{"alias_kind":"pith_short_8","alias_value":"AUOTPICM","created_at":"2026-07-05T02:13:09Z"}],"graph_snapshots":[{"event_id":"sha256:47ee4e8e2dd17db6cf99729f6ae85ffaf8ee13f5e32e74dfcbf0f19ffdebaa81","target":"graph","created_at":"2026-07-05T02:13:09Z","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/1805.02975/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using a kinetic model for the ions and adiabatic electrons, we solve a steady state, electron-repelling magnetic presheath in which a uniform magnetic field makes a small angle $\\alpha \\ll 1$ (in radians) with the wall. The presheath characteristic thickness is the typical ion gyroradius $\\rho_{\\text{i}}$. The Debye length $\\lambda_{\\text{D}}$ and the collisional mean free path of an ion $\\lambda_{\\text{mfp}}$ satisfy the ordering $\\lambda_{\\text{D}} \\ll \\rho_{\\text{i}} \\ll \\alpha \\lambda_{\\text{mfp}}$, so a quasineutral and collisionless model is used. We assume that the electrostatic potenti","authors_text":"Alessandro Geraldini, Felix I. Parra, Fulvio Militello","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-05-08T12:31:46Z","title":"Solution to a collisionless shallow-angle magnetic presheath with kinetic ions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02975","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":"sha256:237da421adbd72a57ec971182115247771301f9d191ba05562d31f96f1739eae","target":"record","created_at":"2026-07-05T02:13:09Z","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":"069446d549468dcb127f4265862c8fc62c881ce03b39f1c5c799a8b7dec4b422","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-05-08T12:31:46Z","title_canon_sha256":"7cc98bae48b7eb27bc09645b908431ef886315483c5a1105729b66a67ccbe9b4"},"schema_version":"1.0","source":{"id":"1805.02975","kind":"arxiv","version":2}},"canonical_sha256":"051d37a04c75a9d0a90c00141fe8552791b19b798e3e07816cca8d45cd41d2f3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"051d37a04c75a9d0a90c00141fe8552791b19b798e3e07816cca8d45cd41d2f3","first_computed_at":"2026-07-05T02:13:09.661889Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:13:09.661889Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wFhq16c5YqrGopEGasJLFimpCIGICJ0iXRE3YQ2opQivuB5xpzhOrzsIGj7frteyZH+pZsLurmdhqWo0TyswDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:13:09.662393Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.02975","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:237da421adbd72a57ec971182115247771301f9d191ba05562d31f96f1739eae","sha256:47ee4e8e2dd17db6cf99729f6ae85ffaf8ee13f5e32e74dfcbf0f19ffdebaa81"],"state_sha256":"c38a0ef21247fc910f8d4f2265ef85e1d34a6ce3ccbb0051725e6a6ae376bcdc"}