{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2E4IZVMIAKLXRHOGS3TGDFTRPO","short_pith_number":"pith:2E4IZVMI","canonical_record":{"source":{"id":"1801.10534","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-01-29T13:54:10Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR","physics.space-ph"],"title_canon_sha256":"ca4b5473b56068c11f9eeb7e94966f01b6ca9e879863d69c1f2f9430481e79a1","abstract_canon_sha256":"49402bb595b61ce027e78e6b39a33f6678723edd70fd731f60b5fb83c5c94ec2"},"schema_version":"1.0"},"canonical_sha256":"d1388cd5880297789dc696e66196717b93ee454ea6df5610be8625558b037cd1","source":{"kind":"arxiv","id":"1801.10534","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.10534","created_at":"2026-05-17T23:44:15Z"},{"alias_kind":"arxiv_version","alias_value":"1801.10534v1","created_at":"2026-05-17T23:44:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.10534","created_at":"2026-05-17T23:44:15Z"},{"alias_kind":"pith_short_12","alias_value":"2E4IZVMIAKLX","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"2E4IZVMIAKLXRHOG","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"2E4IZVMI","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2E4IZVMIAKLXRHOGS3TGDFTRPO","target":"record","payload":{"canonical_record":{"source":{"id":"1801.10534","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-01-29T13:54:10Z","cross_cats_sorted":["astro-ph.HE","astro-ph.SR","physics.space-ph"],"title_canon_sha256":"ca4b5473b56068c11f9eeb7e94966f01b6ca9e879863d69c1f2f9430481e79a1","abstract_canon_sha256":"49402bb595b61ce027e78e6b39a33f6678723edd70fd731f60b5fb83c5c94ec2"},"schema_version":"1.0"},"canonical_sha256":"d1388cd5880297789dc696e66196717b93ee454ea6df5610be8625558b037cd1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:15.584729Z","signature_b64":"KyF4NKVHpUYgcUemPReRGg8dR9yCLORBdxKvgJYBqZ4/DCgb3ems/+lsVQ9xzPORAUcesqpJd6IrSBhHNVRRDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1388cd5880297789dc696e66196717b93ee454ea6df5610be8625558b037cd1","last_reissued_at":"2026-05-17T23:44:15.584306Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:15.584306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.10534","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":"2026-05-17T23:44:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p7PxuhX5uOnWB8RciAByuVqBC2ttKUS6DiMIObpHtu8IZhqGsHriAyJcAaWHhg6nN2iMJOXIFEKC5R8xmOY4BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:40:50.426081Z"},"content_sha256":"5d562b8fc9f195fd0a031dad104aab7c4c19eb78f6da78329a033ce121d850de","schema_version":"1.0","event_id":"sha256:5d562b8fc9f195fd0a031dad104aab7c4c19eb78f6da78329a033ce121d850de"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2E4IZVMIAKLXRHOGS3TGDFTRPO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast magnetic reconnection: The \"ideal\" tearing instability in classic, Hall, and relativistic plasmas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","astro-ph.SR","physics.space-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Emanuele Papini, Luca Del Zanna, Simone Landi","submitted_at":"2018-01-29T13:54:10Z","abstract_excerpt":"Magnetic reconnection is believed to be the driver of many explosive phenomena in Astrophysics, from solar to gamma-ray flares in magnetars and in the Crab nebula. However, reconnection rates from classic MHD models are far too slow to explain such observations. Recently, it was realized that when a current sheet gets sufficiently thin, the reconnection rate of the tearing instability becomes \"ideal\", in the sense that the current sheet destabilizes on the \"macroscopic\" Alfv\\'enic timescales, regardless of the Lundquist number of the plasma. Here we present 2D compressible MHD simulations in t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.10534","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":"2026-05-17T23:44:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zPn+JDLoEQZC9IeZXqnXWsewPylSnwFflXjoDswHcRP9pgm0UEhY5EHKrbdlcg21zIAlWoZ0x7BBWpdxyGJjBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T23:40:50.426647Z"},"content_sha256":"6896587cb50f773dcbc237b32cd8df6ede9f05a4d9e139c0bcf3cf7474c10540","schema_version":"1.0","event_id":"sha256:6896587cb50f773dcbc237b32cd8df6ede9f05a4d9e139c0bcf3cf7474c10540"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2E4IZVMIAKLXRHOGS3TGDFTRPO/bundle.json","state_url":"https://pith.science/pith/2E4IZVMIAKLXRHOGS3TGDFTRPO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2E4IZVMIAKLXRHOGS3TGDFTRPO/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":"2026-05-26T23:40:50Z","links":{"resolver":"https://pith.science/pith/2E4IZVMIAKLXRHOGS3TGDFTRPO","bundle":"https://pith.science/pith/2E4IZVMIAKLXRHOGS3TGDFTRPO/bundle.json","state":"https://pith.science/pith/2E4IZVMIAKLXRHOGS3TGDFTRPO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2E4IZVMIAKLXRHOGS3TGDFTRPO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2E4IZVMIAKLXRHOGS3TGDFTRPO","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":"49402bb595b61ce027e78e6b39a33f6678723edd70fd731f60b5fb83c5c94ec2","cross_cats_sorted":["astro-ph.HE","astro-ph.SR","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-01-29T13:54:10Z","title_canon_sha256":"ca4b5473b56068c11f9eeb7e94966f01b6ca9e879863d69c1f2f9430481e79a1"},"schema_version":"1.0","source":{"id":"1801.10534","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.10534","created_at":"2026-05-17T23:44:15Z"},{"alias_kind":"arxiv_version","alias_value":"1801.10534v1","created_at":"2026-05-17T23:44:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.10534","created_at":"2026-05-17T23:44:15Z"},{"alias_kind":"pith_short_12","alias_value":"2E4IZVMIAKLX","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"2E4IZVMIAKLXRHOG","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"2E4IZVMI","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:6896587cb50f773dcbc237b32cd8df6ede9f05a4d9e139c0bcf3cf7474c10540","target":"graph","created_at":"2026-05-17T23:44:15Z","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":"Magnetic reconnection is believed to be the driver of many explosive phenomena in Astrophysics, from solar to gamma-ray flares in magnetars and in the Crab nebula. However, reconnection rates from classic MHD models are far too slow to explain such observations. Recently, it was realized that when a current sheet gets sufficiently thin, the reconnection rate of the tearing instability becomes \"ideal\", in the sense that the current sheet destabilizes on the \"macroscopic\" Alfv\\'enic timescales, regardless of the Lundquist number of the plasma. Here we present 2D compressible MHD simulations in t","authors_text":"Emanuele Papini, Luca Del Zanna, Simone Landi","cross_cats":["astro-ph.HE","astro-ph.SR","physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-01-29T13:54:10Z","title":"Fast magnetic reconnection: The \"ideal\" tearing instability in classic, Hall, and relativistic plasmas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.10534","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":"sha256:5d562b8fc9f195fd0a031dad104aab7c4c19eb78f6da78329a033ce121d850de","target":"record","created_at":"2026-05-17T23:44:15Z","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":"49402bb595b61ce027e78e6b39a33f6678723edd70fd731f60b5fb83c5c94ec2","cross_cats_sorted":["astro-ph.HE","astro-ph.SR","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-01-29T13:54:10Z","title_canon_sha256":"ca4b5473b56068c11f9eeb7e94966f01b6ca9e879863d69c1f2f9430481e79a1"},"schema_version":"1.0","source":{"id":"1801.10534","kind":"arxiv","version":1}},"canonical_sha256":"d1388cd5880297789dc696e66196717b93ee454ea6df5610be8625558b037cd1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d1388cd5880297789dc696e66196717b93ee454ea6df5610be8625558b037cd1","first_computed_at":"2026-05-17T23:44:15.584306Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:15.584306Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KyF4NKVHpUYgcUemPReRGg8dR9yCLORBdxKvgJYBqZ4/DCgb3ems/+lsVQ9xzPORAUcesqpJd6IrSBhHNVRRDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:15.584729Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.10534","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5d562b8fc9f195fd0a031dad104aab7c4c19eb78f6da78329a033ce121d850de","sha256:6896587cb50f773dcbc237b32cd8df6ede9f05a4d9e139c0bcf3cf7474c10540"],"state_sha256":"726a9618c378da1694e67f616cd814e4fc94692e453cfd8f25a9c73eacbd4415"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UALu+di79SywHLEIUTFiVA+gmrF3h83yB/gcEaufyt1vEeAn66dhUaEtokINKugcaNI6sA8GousuAqGXdn1cBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T23:40:50.429703Z","bundle_sha256":"bbc42c1af036206593ef0a59fbd36bff15644a64691c29a79f64472844fa6abf"}}