{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:DXTDTMNUGO4K35FXEPM2Q2GZIN","short_pith_number":"pith:DXTDTMNU","canonical_record":{"source":{"id":"1901.08041","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-01-23T18:47:08Z","cross_cats_sorted":["astro-ph.EP","physics.space-ph"],"title_canon_sha256":"8286e666d87b8f490d63eda66377ed1054721fdc10826c808edc5d2f867660b6","abstract_canon_sha256":"e00314791e3cc87834347d476f9c631b0db0f5fc18dc62113c395a4464d4b0c9"},"schema_version":"1.0"},"canonical_sha256":"1de639b1b433b8adf4b723d9a868d94365ac2cc87dafd523f1c8456eb6b06986","source":{"kind":"arxiv","id":"1901.08041","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.08041","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"1901.08041v1","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.08041","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"DXTDTMNUGO4K","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DXTDTMNUGO4K35FX","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DXTDTMNU","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:DXTDTMNUGO4K35FXEPM2Q2GZIN","target":"record","payload":{"canonical_record":{"source":{"id":"1901.08041","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-01-23T18:47:08Z","cross_cats_sorted":["astro-ph.EP","physics.space-ph"],"title_canon_sha256":"8286e666d87b8f490d63eda66377ed1054721fdc10826c808edc5d2f867660b6","abstract_canon_sha256":"e00314791e3cc87834347d476f9c631b0db0f5fc18dc62113c395a4464d4b0c9"},"schema_version":"1.0"},"canonical_sha256":"1de639b1b433b8adf4b723d9a868d94365ac2cc87dafd523f1c8456eb6b06986","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:37.999337Z","signature_b64":"74pJn45naRahf/DJFJY81ALdwMPv6HTxQM3goO8bTjcRNtLwaAFwWCDaJBksQQiMokOVJgruinztQbsyRhBoCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1de639b1b433b8adf4b723d9a868d94365ac2cc87dafd523f1c8456eb6b06986","last_reissued_at":"2026-05-17T23:55:37.998899Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:37.998899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.08041","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":"2026-05-17T23:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sHRQSDxT5qAwbCjWTc6MGI3Un8lLeCJA8Zt7Y4a/l8ZqpDS652p4M8N0pLqvG293uniRZe5Op3D/aqKhSJySBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T03:18:23.847490Z"},"content_sha256":"9f80e6d6ca75cf40e06144abe14fe1c5094a04d1dab20aafa44e8e2f1a733883","schema_version":"1.0","event_id":"sha256:9f80e6d6ca75cf40e06144abe14fe1c5094a04d1dab20aafa44e8e2f1a733883"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:DXTDTMNUGO4K35FXEPM2Q2GZIN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of an Electron Gyroradius Scale Current Layer Its Relevance to Magnetic Fusion Energy, Earth Magnetosphere and Sunspots","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","physics.space-ph"],"primary_cat":"physics.plasm-ph","authors_text":"Diego Gonzalez-Herrero, Giovanni Lapenta, Jaeyoung Park, Nicholas Krall","submitted_at":"2019-01-23T18:47:08Z","abstract_excerpt":"In the Earth magnetosphere, sunspots and magnetic cusp fusion devices, the boundary between the plasma and the magnetic field is marked by a diamagnetic current layer with a rapid change in plasma pressure and magnetic field strength. First principles numerical simulations were conducted to investigate this boundary layer with a spatial resolution beyond electron gyroradius while incorporating a global equilibrium structure. The boundary layer thickness is discovered to be on the order of electron gyroradius scale due to a self-consistent electric field suppressing ion gyromotion at the bounda"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.08041","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":"2026-05-17T23:55:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"doYeKrlPbHI9ETlGueYN2tN1dZ9pCqNbrH09f3F31WQkgUNpWoFn9isLJxKFk/dhjLoTohg0V/FIRHI5CbENBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T03:18:23.848216Z"},"content_sha256":"727c583c97005a710bb6a558798ca84ffa8958c389db0fd5c3d8e49d66fac936","schema_version":"1.0","event_id":"sha256:727c583c97005a710bb6a558798ca84ffa8958c389db0fd5c3d8e49d66fac936"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DXTDTMNUGO4K35FXEPM2Q2GZIN/bundle.json","state_url":"https://pith.science/pith/DXTDTMNUGO4K35FXEPM2Q2GZIN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DXTDTMNUGO4K35FXEPM2Q2GZIN/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":"2026-06-09T03:18:23Z","links":{"resolver":"https://pith.science/pith/DXTDTMNUGO4K35FXEPM2Q2GZIN","bundle":"https://pith.science/pith/DXTDTMNUGO4K35FXEPM2Q2GZIN/bundle.json","state":"https://pith.science/pith/DXTDTMNUGO4K35FXEPM2Q2GZIN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DXTDTMNUGO4K35FXEPM2Q2GZIN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DXTDTMNUGO4K35FXEPM2Q2GZIN","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":"e00314791e3cc87834347d476f9c631b0db0f5fc18dc62113c395a4464d4b0c9","cross_cats_sorted":["astro-ph.EP","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-01-23T18:47:08Z","title_canon_sha256":"8286e666d87b8f490d63eda66377ed1054721fdc10826c808edc5d2f867660b6"},"schema_version":"1.0","source":{"id":"1901.08041","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.08041","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"arxiv_version","alias_value":"1901.08041v1","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.08041","created_at":"2026-05-17T23:55:37Z"},{"alias_kind":"pith_short_12","alias_value":"DXTDTMNUGO4K","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DXTDTMNUGO4K35FX","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DXTDTMNU","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:727c583c97005a710bb6a558798ca84ffa8958c389db0fd5c3d8e49d66fac936","target":"graph","created_at":"2026-05-17T23:55:37Z","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":"In the Earth magnetosphere, sunspots and magnetic cusp fusion devices, the boundary between the plasma and the magnetic field is marked by a diamagnetic current layer with a rapid change in plasma pressure and magnetic field strength. First principles numerical simulations were conducted to investigate this boundary layer with a spatial resolution beyond electron gyroradius while incorporating a global equilibrium structure. The boundary layer thickness is discovered to be on the order of electron gyroradius scale due to a self-consistent electric field suppressing ion gyromotion at the bounda","authors_text":"Diego Gonzalez-Herrero, Giovanni Lapenta, Jaeyoung Park, Nicholas Krall","cross_cats":["astro-ph.EP","physics.space-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-01-23T18:47:08Z","title":"Discovery of an Electron Gyroradius Scale Current Layer Its Relevance to Magnetic Fusion Energy, Earth Magnetosphere and Sunspots"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.08041","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":"sha256:9f80e6d6ca75cf40e06144abe14fe1c5094a04d1dab20aafa44e8e2f1a733883","target":"record","created_at":"2026-05-17T23:55:37Z","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":"e00314791e3cc87834347d476f9c631b0db0f5fc18dc62113c395a4464d4b0c9","cross_cats_sorted":["astro-ph.EP","physics.space-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2019-01-23T18:47:08Z","title_canon_sha256":"8286e666d87b8f490d63eda66377ed1054721fdc10826c808edc5d2f867660b6"},"schema_version":"1.0","source":{"id":"1901.08041","kind":"arxiv","version":1}},"canonical_sha256":"1de639b1b433b8adf4b723d9a868d94365ac2cc87dafd523f1c8456eb6b06986","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1de639b1b433b8adf4b723d9a868d94365ac2cc87dafd523f1c8456eb6b06986","first_computed_at":"2026-05-17T23:55:37.998899Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:37.998899Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"74pJn45naRahf/DJFJY81ALdwMPv6HTxQM3goO8bTjcRNtLwaAFwWCDaJBksQQiMokOVJgruinztQbsyRhBoCg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:37.999337Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.08041","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9f80e6d6ca75cf40e06144abe14fe1c5094a04d1dab20aafa44e8e2f1a733883","sha256:727c583c97005a710bb6a558798ca84ffa8958c389db0fd5c3d8e49d66fac936"],"state_sha256":"c7319d5d658cc59242df1edf9850bcdb1dc3ea911888e35748a1ef8d84d10973"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Eb1B5vgmFdtYWRP1+a5//DtNJW/Z471W06kTLqbQWIWP3M80CSXiHPlnX3vQYOgnkU1KL8Z2Ud8wuRC6HhLBDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T03:18:23.852273Z","bundle_sha256":"9572fa265dd702e2a9e02ef57c210c258651f9e9e6b6513d8cc8ee6a3ef332a7"}}