{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:T4RVSOIMCQ7W4NMKQNZVDFN4AQ","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":"f2dce8d5190392c7e7571ac70b908e7a518e2c0eb979b40e1327030bfd1a4d50","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-16T20:41:25Z","title_canon_sha256":"cced85bd08fad475361d1114a184a22fab745fb40eac3e7b8a4a7610477330d0"},"schema_version":"1.0","source":{"id":"1709.05564","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.05564","created_at":"2026-05-18T00:35:00Z"},{"alias_kind":"arxiv_version","alias_value":"1709.05564v1","created_at":"2026-05-18T00:35:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.05564","created_at":"2026-05-18T00:35:00Z"},{"alias_kind":"pith_short_12","alias_value":"T4RVSOIMCQ7W","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"T4RVSOIMCQ7W4NMK","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"T4RVSOIM","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:d923944ec977de7b58352e69432592d213cdd813d9ea52eef912048362f18a12","target":"graph","created_at":"2026-05-18T00:35:00Z","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":"To understand the essential physics needed to reproduce magnetic reconnection events in 2.5-D particle-in-cell (PIC) simulations, we revisit the Geospace Environmental Modeling (GEM) setup. We set up a 2-D Harris current sheet (that also specifies the initial conditions) to evolve the reconnection of antiparallel magnetic fields. In contrast to the GEM setup, we use a much smaller initial perturbation to trigger the reconnection and evolve it more self-consistently. From PIC simulation data with high-quality particle statistics we study a symmetric reconnection site, including separatrix layer","authors_text":"Philippe-A. Bourdin","cross_cats":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-16T20:41:25Z","title":"Catalog of fine-structured electron velocity distribution functions $-$ Part 1: Antiparallel magnetic-field reconnection (Geospace Environmental Modeling case)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.05564","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:c0a648f6ff9b12fe05c875d001ced53d091a00bc162e3963599c45c4903c7210","target":"record","created_at":"2026-05-18T00:35:00Z","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":"f2dce8d5190392c7e7571ac70b908e7a518e2c0eb979b40e1327030bfd1a4d50","cross_cats_sorted":["astro-ph.SR","physics.plasm-ph","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-09-16T20:41:25Z","title_canon_sha256":"cced85bd08fad475361d1114a184a22fab745fb40eac3e7b8a4a7610477330d0"},"schema_version":"1.0","source":{"id":"1709.05564","kind":"arxiv","version":1}},"canonical_sha256":"9f2359390c143f6e358a83735195bc04086e10ececceb1b50f9a6ead8e1af584","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f2359390c143f6e358a83735195bc04086e10ececceb1b50f9a6ead8e1af584","first_computed_at":"2026-05-18T00:35:00.280837Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:35:00.280837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uNKEStjr2gx7ZCapnV//AgXjE3gr3X95hUu12Q/sKcWdit++5ZA2zvwiS2zS0jtc3JmO4JgPkXDNL9aw2I8nCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:35:00.281516Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.05564","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c0a648f6ff9b12fe05c875d001ced53d091a00bc162e3963599c45c4903c7210","sha256:d923944ec977de7b58352e69432592d213cdd813d9ea52eef912048362f18a12"],"state_sha256":"1e034077a20b1abeb7f09809014f2ad7c3e91a521516fa695cbe8994e5542361"}