{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:JGJ6B76G5XVVBVUW5U4B3NW5ST","short_pith_number":"pith:JGJ6B76G","canonical_record":{"source":{"id":"1004.5226","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2010-04-29T09:21:18Z","cross_cats_sorted":[],"title_canon_sha256":"77ef2272afd79efba583dd06bb75e1e02f96bb2ec0a8b6b1d5b95f251439eb69","abstract_canon_sha256":"302d98d0e7706586b6c6ec23ec7026515a23efaf45df7bbd6eb756013228326a"},"schema_version":"1.0"},"canonical_sha256":"4993e0ffc6edeb50d696ed381db6dd94c8105a884c31b05f574c7b6529fa4e62","source":{"kind":"arxiv","id":"1004.5226","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.5226","created_at":"2026-05-18T03:26:10Z"},{"alias_kind":"arxiv_version","alias_value":"1004.5226v1","created_at":"2026-05-18T03:26:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.5226","created_at":"2026-05-18T03:26:10Z"},{"alias_kind":"pith_short_12","alias_value":"JGJ6B76G5XVV","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"JGJ6B76G5XVVBVUW","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"JGJ6B76G","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:JGJ6B76G5XVVBVUW5U4B3NW5ST","target":"record","payload":{"canonical_record":{"source":{"id":"1004.5226","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2010-04-29T09:21:18Z","cross_cats_sorted":[],"title_canon_sha256":"77ef2272afd79efba583dd06bb75e1e02f96bb2ec0a8b6b1d5b95f251439eb69","abstract_canon_sha256":"302d98d0e7706586b6c6ec23ec7026515a23efaf45df7bbd6eb756013228326a"},"schema_version":"1.0"},"canonical_sha256":"4993e0ffc6edeb50d696ed381db6dd94c8105a884c31b05f574c7b6529fa4e62","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:10.674372Z","signature_b64":"JNHI47xfWmvPKAtsbknLwyebcxQNs27z1Pu+OFH6Ye6PConQm8dZ0HynWQVRfy+4sezhSZO7O6wHcM6yG7E0AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4993e0ffc6edeb50d696ed381db6dd94c8105a884c31b05f574c7b6529fa4e62","last_reissued_at":"2026-05-18T03:26:10.673576Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:10.673576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.5226","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":"2026-05-18T03:26:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fi1VKbdN9KrW3ZoweVcipKaw/g3pOOk+1t9FhEnH1PHBEMtJAHqO0P96lgYEolujgCSe3Ada/h1QhCJFTVOkDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T16:57:39.244701Z"},"content_sha256":"bc5e2bf601102d64096a868cd496efb6f0fe66bfb32fb70f1d60853df22bc5af","schema_version":"1.0","event_id":"sha256:bc5e2bf601102d64096a868cd496efb6f0fe66bfb32fb70f1d60853df22bc5af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:JGJ6B76G5XVVBVUW5U4B3NW5ST","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Derivation of a gyrokinetic model. Existence and uniqueness of specific stationary solutions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AP","authors_text":"Anne Nouri (LATP), Maxime Hauray (LATP), Philippe Ghendrih (DRFC)","submitted_at":"2010-04-29T09:21:18Z","abstract_excerpt":"A finite Larmor radius approximation is derived from the classical Vlasov equation, in the limit of large (and uniform) external magnetic field. We also provide an heuristic derivation of the electroneutrality equation in the finite Larmor radius setting. Existence and uniqueness of a solution is proven in the stationary frame for solutions depending only on the direction parallel to the magnetic field and factorizing in the velocity variables."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.5226","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":""},"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":"2026-05-18T03:26:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V78sg1M0H4EnQro3YdIwZGPyvzp3hEiLyXDcyzWLGJX1dXsbDDXF9zCobQwXGAxNZASjhe+ChiybCZbDD+pGCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T16:57:39.245043Z"},"content_sha256":"ac5d5d7de9d0d7a1ed8657ccc4bdfa5a0f017bd0f319aee5686deade4b681bb1","schema_version":"1.0","event_id":"sha256:ac5d5d7de9d0d7a1ed8657ccc4bdfa5a0f017bd0f319aee5686deade4b681bb1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGJ6B76G5XVVBVUW5U4B3NW5ST/bundle.json","state_url":"https://pith.science/pith/JGJ6B76G5XVVBVUW5U4B3NW5ST/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGJ6B76G5XVVBVUW5U4B3NW5ST/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":"2026-06-22T16:57:39Z","links":{"resolver":"https://pith.science/pith/JGJ6B76G5XVVBVUW5U4B3NW5ST","bundle":"https://pith.science/pith/JGJ6B76G5XVVBVUW5U4B3NW5ST/bundle.json","state":"https://pith.science/pith/JGJ6B76G5XVVBVUW5U4B3NW5ST/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGJ6B76G5XVVBVUW5U4B3NW5ST/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:JGJ6B76G5XVVBVUW5U4B3NW5ST","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":"302d98d0e7706586b6c6ec23ec7026515a23efaf45df7bbd6eb756013228326a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2010-04-29T09:21:18Z","title_canon_sha256":"77ef2272afd79efba583dd06bb75e1e02f96bb2ec0a8b6b1d5b95f251439eb69"},"schema_version":"1.0","source":{"id":"1004.5226","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.5226","created_at":"2026-05-18T03:26:10Z"},{"alias_kind":"arxiv_version","alias_value":"1004.5226v1","created_at":"2026-05-18T03:26:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.5226","created_at":"2026-05-18T03:26:10Z"},{"alias_kind":"pith_short_12","alias_value":"JGJ6B76G5XVV","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"JGJ6B76G5XVVBVUW","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"JGJ6B76G","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:ac5d5d7de9d0d7a1ed8657ccc4bdfa5a0f017bd0f319aee5686deade4b681bb1","target":"graph","created_at":"2026-05-18T03:26:10Z","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 finite Larmor radius approximation is derived from the classical Vlasov equation, in the limit of large (and uniform) external magnetic field. We also provide an heuristic derivation of the electroneutrality equation in the finite Larmor radius setting. Existence and uniqueness of a solution is proven in the stationary frame for solutions depending only on the direction parallel to the magnetic field and factorizing in the velocity variables.","authors_text":"Anne Nouri (LATP), Maxime Hauray (LATP), Philippe Ghendrih (DRFC)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2010-04-29T09:21:18Z","title":"Derivation of a gyrokinetic model. Existence and uniqueness of specific stationary solutions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.5226","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:bc5e2bf601102d64096a868cd496efb6f0fe66bfb32fb70f1d60853df22bc5af","target":"record","created_at":"2026-05-18T03:26:10Z","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":"302d98d0e7706586b6c6ec23ec7026515a23efaf45df7bbd6eb756013228326a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AP","submitted_at":"2010-04-29T09:21:18Z","title_canon_sha256":"77ef2272afd79efba583dd06bb75e1e02f96bb2ec0a8b6b1d5b95f251439eb69"},"schema_version":"1.0","source":{"id":"1004.5226","kind":"arxiv","version":1}},"canonical_sha256":"4993e0ffc6edeb50d696ed381db6dd94c8105a884c31b05f574c7b6529fa4e62","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4993e0ffc6edeb50d696ed381db6dd94c8105a884c31b05f574c7b6529fa4e62","first_computed_at":"2026-05-18T03:26:10.673576Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:10.673576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JNHI47xfWmvPKAtsbknLwyebcxQNs27z1Pu+OFH6Ye6PConQm8dZ0HynWQVRfy+4sezhSZO7O6wHcM6yG7E0AA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:10.674372Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.5226","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc5e2bf601102d64096a868cd496efb6f0fe66bfb32fb70f1d60853df22bc5af","sha256:ac5d5d7de9d0d7a1ed8657ccc4bdfa5a0f017bd0f319aee5686deade4b681bb1"],"state_sha256":"1b4bf5b8b6c48b6a364db35849cae914ed7c2912e5eecf374de6abdccb0c5a4e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eFMGuMWJUCrwHTiSRph0n40yRiP1cWhL8SMefep77ZhT5tVck8JkCVGwV0rK/cKJ0wAM/fVlw9/TstzyA70JAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T16:57:39.247010Z","bundle_sha256":"271101ff0f9502c3b80651fa0102a4756f5b849bfe43be4d00b574e8f2cef19e"}}