{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:IJEHMN4FEKJCX44BKLTCNK3CZF","short_pith_number":"pith:IJEHMN4F","canonical_record":{"source":{"id":"1806.08157","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-06-21T10:24:52Z","cross_cats_sorted":["astro-ph.SR","physics.flu-dyn"],"title_canon_sha256":"1ec11d8f671ba32a0b63d346c29b35dbb80df7ea6df38dded3e4481838d6fe3a","abstract_canon_sha256":"570734088ff58e72d120488b1e80b132a20caa85992bc06a2bb3af21654cce79"},"schema_version":"1.0"},"canonical_sha256":"424876378522922bf38152e626ab62c957cdd45d7cf36505ea76799aa7ba7c20","source":{"kind":"arxiv","id":"1806.08157","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08157","created_at":"2026-05-18T00:10:59Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08157v2","created_at":"2026-05-18T00:10:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08157","created_at":"2026-05-18T00:10:59Z"},{"alias_kind":"pith_short_12","alias_value":"IJEHMN4FEKJC","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IJEHMN4FEKJCX44B","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IJEHMN4F","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:IJEHMN4FEKJCX44BKLTCNK3CZF","target":"record","payload":{"canonical_record":{"source":{"id":"1806.08157","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-06-21T10:24:52Z","cross_cats_sorted":["astro-ph.SR","physics.flu-dyn"],"title_canon_sha256":"1ec11d8f671ba32a0b63d346c29b35dbb80df7ea6df38dded3e4481838d6fe3a","abstract_canon_sha256":"570734088ff58e72d120488b1e80b132a20caa85992bc06a2bb3af21654cce79"},"schema_version":"1.0"},"canonical_sha256":"424876378522922bf38152e626ab62c957cdd45d7cf36505ea76799aa7ba7c20","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:59.353525Z","signature_b64":"G4b0CLia2uZxzvr9YU191ADjerquMm5MA7J3bAYNFbS4uAyiYUrWJpBSJMIMgBjb31eAcyWnIVC49OwxPIY7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"424876378522922bf38152e626ab62c957cdd45d7cf36505ea76799aa7ba7c20","last_reissued_at":"2026-05-18T00:10:59.352797Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:59.352797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.08157","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:10:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"45R4LyLN0TyGWHOKIiRdtsu3eyfnKBLKa/RqcVcTrtpoVih+lMHw7nHx4EvaQJZ59ypTRjfSN5NdMVhhKXzgBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:32:27.656651Z"},"content_sha256":"214b0e5340ee462cd99f940bb8629b0ae85264e8ffd14fe148d6a368f663b1a2","schema_version":"1.0","event_id":"sha256:214b0e5340ee462cd99f940bb8629b0ae85264e8ffd14fe148d6a368f663b1a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:IJEHMN4FEKJCX44BKLTCNK3CZF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resistively-limited current sheet implosions in planar anti-parallel (1D) and null-point containing (2D) magnetic field geometries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR","physics.flu-dyn"],"primary_cat":"physics.plasm-ph","authors_text":"D.I. Pontin, J.A. McLaughlin, J.O. Thurgood","submitted_at":"2018-06-21T10:24:52Z","abstract_excerpt":"Implosive formation of current sheets is a fundamental plasma process. Previous studies focused on the early time evolution, while here our primary aim is to explore the longer-term evolution, which may be critical for determining the efficiency of energy release. To address this problem we investigate two closely-related problems, namely: (i) 1D, pinched anti-parallel magnetic fields and (ii) 2D, null point containing fields which are locally imbalanced ('null-collapse' or 'X-point collapse'). Within the framework of resistive MHD, we simulate the full nonlinear evolution through three distin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08157","kind":"arxiv","version":2},"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":"2026-05-18T00:10:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0/GSrdQfFEx1lIDUARCynOas27o4IGdMkdRdRTkX1RP+JVHn/JUjl15GlqBrAtdTDTu66GTvI1mNTYBrKN/ICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:32:27.656995Z"},"content_sha256":"b9ccd4cbea281b432011a26458e48c71c2f54142fb95219f2b0d67d3b27993aa","schema_version":"1.0","event_id":"sha256:b9ccd4cbea281b432011a26458e48c71c2f54142fb95219f2b0d67d3b27993aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IJEHMN4FEKJCX44BKLTCNK3CZF/bundle.json","state_url":"https://pith.science/pith/IJEHMN4FEKJCX44BKLTCNK3CZF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IJEHMN4FEKJCX44BKLTCNK3CZF/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":"2026-06-03T06:32:27Z","links":{"resolver":"https://pith.science/pith/IJEHMN4FEKJCX44BKLTCNK3CZF","bundle":"https://pith.science/pith/IJEHMN4FEKJCX44BKLTCNK3CZF/bundle.json","state":"https://pith.science/pith/IJEHMN4FEKJCX44BKLTCNK3CZF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IJEHMN4FEKJCX44BKLTCNK3CZF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:IJEHMN4FEKJCX44BKLTCNK3CZF","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":"570734088ff58e72d120488b1e80b132a20caa85992bc06a2bb3af21654cce79","cross_cats_sorted":["astro-ph.SR","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-06-21T10:24:52Z","title_canon_sha256":"1ec11d8f671ba32a0b63d346c29b35dbb80df7ea6df38dded3e4481838d6fe3a"},"schema_version":"1.0","source":{"id":"1806.08157","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.08157","created_at":"2026-05-18T00:10:59Z"},{"alias_kind":"arxiv_version","alias_value":"1806.08157v2","created_at":"2026-05-18T00:10:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.08157","created_at":"2026-05-18T00:10:59Z"},{"alias_kind":"pith_short_12","alias_value":"IJEHMN4FEKJC","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"IJEHMN4FEKJCX44B","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"IJEHMN4F","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:b9ccd4cbea281b432011a26458e48c71c2f54142fb95219f2b0d67d3b27993aa","target":"graph","created_at":"2026-05-18T00:10:59Z","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":"Implosive formation of current sheets is a fundamental plasma process. Previous studies focused on the early time evolution, while here our primary aim is to explore the longer-term evolution, which may be critical for determining the efficiency of energy release. To address this problem we investigate two closely-related problems, namely: (i) 1D, pinched anti-parallel magnetic fields and (ii) 2D, null point containing fields which are locally imbalanced ('null-collapse' or 'X-point collapse'). Within the framework of resistive MHD, we simulate the full nonlinear evolution through three distin","authors_text":"D.I. Pontin, J.A. McLaughlin, J.O. Thurgood","cross_cats":["astro-ph.SR","physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-06-21T10:24:52Z","title":"Resistively-limited current sheet implosions in planar anti-parallel (1D) and null-point containing (2D) magnetic field geometries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.08157","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":"sha256:214b0e5340ee462cd99f940bb8629b0ae85264e8ffd14fe148d6a368f663b1a2","target":"record","created_at":"2026-05-18T00:10:59Z","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":"570734088ff58e72d120488b1e80b132a20caa85992bc06a2bb3af21654cce79","cross_cats_sorted":["astro-ph.SR","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-06-21T10:24:52Z","title_canon_sha256":"1ec11d8f671ba32a0b63d346c29b35dbb80df7ea6df38dded3e4481838d6fe3a"},"schema_version":"1.0","source":{"id":"1806.08157","kind":"arxiv","version":2}},"canonical_sha256":"424876378522922bf38152e626ab62c957cdd45d7cf36505ea76799aa7ba7c20","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"424876378522922bf38152e626ab62c957cdd45d7cf36505ea76799aa7ba7c20","first_computed_at":"2026-05-18T00:10:59.352797Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:59.352797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G4b0CLia2uZxzvr9YU191ADjerquMm5MA7J3bAYNFbS4uAyiYUrWJpBSJMIMgBjb31eAcyWnIVC49OwxPIY7Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:59.353525Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.08157","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:214b0e5340ee462cd99f940bb8629b0ae85264e8ffd14fe148d6a368f663b1a2","sha256:b9ccd4cbea281b432011a26458e48c71c2f54142fb95219f2b0d67d3b27993aa"],"state_sha256":"c2d10ece9cb195f3d5d7c743bc48b210a07fb05bcfce12b6b189317b33231852"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2DxW10LMhfW9QEK3RjDucSA+6Uktq6pLxRag2NcQpwUZyODkiofUbWOufgi39gg/KWXSE4FGng0wiAP4uONOBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T06:32:27.658995Z","bundle_sha256":"e3db7718c9381845dcf59a9e5c8f6628f573ec64afceec632c4d4fbb9ab069fc"}}