{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:U7J7R6MMGUUN6RVRYYTJCFHSIO","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":"2ff1c857fa51a0c1fc0cf41350e8e36f41896994a2ce3ffbc29639b626c9e656","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-27T18:42:32Z","title_canon_sha256":"923b5e4f2de30d5bb748c0130c95a5cde59fe1b57ef452459b6c6eb88413b85b"},"schema_version":"1.0","source":{"id":"1107.5558","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.5558","created_at":"2026-05-18T02:01:08Z"},{"alias_kind":"arxiv_version","alias_value":"1107.5558v2","created_at":"2026-05-18T02:01:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.5558","created_at":"2026-05-18T02:01:08Z"},{"alias_kind":"pith_short_12","alias_value":"U7J7R6MMGUUN","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"U7J7R6MMGUUN6RVR","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"U7J7R6MM","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:14eb9fc79403f2bfeb7ea41a607d6f281ab859a0c054b7afeb031def105b1f84","target":"graph","created_at":"2026-05-18T02:01:08Z","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":"The plasma {\\beta} (the ratio of the plasma pressure to the magnetic pressure) of a system can have a large effect on its dynamics as high {\\beta} enhances the effects of pressure anisotropies. We investigate the effects of {\\beta} in a system of stacked current sheets that break up into magnetic islands due to magnetic reconnection. We find significant differences between {\\beta} < 1 and {\\beta} > 1. At low {\\beta} growing magnetic islands are modestly elongated and become round as contraction releases magnetic stress and reduces magnetic energy. At high {\\beta} the increase of the parallel p","authors_text":"J. F. Drake, K. M. Schoeffler, M. Swisdak","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-27T18:42:32Z","title":"The effects of plasma beta and anisotropy instabilities on the dynamics of reconnecting magnetic fields in the heliosheath"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.5558","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:c2e0472c2bc0b7aa947171fbac6fe27cd1bef5b8eb0ea0ece63a44fa702c6f28","target":"record","created_at":"2026-05-18T02:01:08Z","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":"2ff1c857fa51a0c1fc0cf41350e8e36f41896994a2ce3ffbc29639b626c9e656","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-27T18:42:32Z","title_canon_sha256":"923b5e4f2de30d5bb748c0130c95a5cde59fe1b57ef452459b6c6eb88413b85b"},"schema_version":"1.0","source":{"id":"1107.5558","kind":"arxiv","version":2}},"canonical_sha256":"a7d3f8f98c3528df46b1c6269114f243bbb6f0d380171f58205ee8e584adcdf8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7d3f8f98c3528df46b1c6269114f243bbb6f0d380171f58205ee8e584adcdf8","first_computed_at":"2026-05-18T02:01:08.774307Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:08.774307Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2S4k62DIUyhbbiBslJX82hSnoPTYxjv/jABEwUJIkZIScumi7/2XOk7BpALS/Q61Cx67wT1+k5nk39JL78WTDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:08.775066Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.5558","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c2e0472c2bc0b7aa947171fbac6fe27cd1bef5b8eb0ea0ece63a44fa702c6f28","sha256:14eb9fc79403f2bfeb7ea41a607d6f281ab859a0c054b7afeb031def105b1f84"],"state_sha256":"e98d12680824e9ca092c33a89ce568775cbd72ef6a9d3ac984af0d071c5b9a29"}