{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:T2VILDVYIQCG57NE5IDCRC2YBD","short_pith_number":"pith:T2VILDVY","canonical_record":{"source":{"id":"1810.09500","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-10-22T18:46:13Z","cross_cats_sorted":[],"title_canon_sha256":"af077824d021f6a623c3d9fd1f9a8172b98ccd8e8165f9f93623b84384529557","abstract_canon_sha256":"02debc448b08bf340e652e129300f4af74ea29e3d40fe36d11e1e13b474d1cc9"},"schema_version":"1.0"},"canonical_sha256":"9eaa858eb844046efda4ea06288b5808fb4cdf6a2a2a9dfd47a47a43bc812f5e","source":{"kind":"arxiv","id":"1810.09500","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.09500","created_at":"2026-05-17T23:54:02Z"},{"alias_kind":"arxiv_version","alias_value":"1810.09500v1","created_at":"2026-05-17T23:54:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09500","created_at":"2026-05-17T23:54:02Z"},{"alias_kind":"pith_short_12","alias_value":"T2VILDVYIQCG","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"T2VILDVYIQCG57NE","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"T2VILDVY","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:T2VILDVYIQCG57NE5IDCRC2YBD","target":"record","payload":{"canonical_record":{"source":{"id":"1810.09500","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-10-22T18:46:13Z","cross_cats_sorted":[],"title_canon_sha256":"af077824d021f6a623c3d9fd1f9a8172b98ccd8e8165f9f93623b84384529557","abstract_canon_sha256":"02debc448b08bf340e652e129300f4af74ea29e3d40fe36d11e1e13b474d1cc9"},"schema_version":"1.0"},"canonical_sha256":"9eaa858eb844046efda4ea06288b5808fb4cdf6a2a2a9dfd47a47a43bc812f5e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:02.429973Z","signature_b64":"TAgdA9Z0Bmj1oahZiT0SsurVa5yraaYdSVNKLdavbILzBp5oM2OfuHWvfrq+CfhkK1UR1Q+G5eiQYDlrn3TIBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9eaa858eb844046efda4ea06288b5808fb4cdf6a2a2a9dfd47a47a43bc812f5e","last_reissued_at":"2026-05-17T23:54:02.429381Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:02.429381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.09500","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":"2026-05-17T23:54:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9KcKtxcwVM6xGckRa4nqFw6pGGzTsGmPwUXjBWa7OSh5SG0Z8jtWQATLH/m4IxdGH+pR8fjRhC57gAiZ8HKEAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T21:51:53.939235Z"},"content_sha256":"84168d1922ae3acc154ff191c8231645c30f632f6364c602dd174e8af8b48b54","schema_version":"1.0","event_id":"sha256:84168d1922ae3acc154ff191c8231645c30f632f6364c602dd174e8af8b48b54"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:T2VILDVYIQCG57NE5IDCRC2YBD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Full-$f$ gyrokinetic simulation of turbulence in a helical open-field-line plasma","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Ammar Hakim, Eric L. Shi, Gregory W. Hammett, Timothy Stoltzfus-Dueck","submitted_at":"2018-10-22T18:46:13Z","abstract_excerpt":"Curvature-driven turbulence in a helical open-field-line plasma is investigated using electrostatic five-dimensional gyrokinetic continuum simulations in an all-bad-curvature helical-slab geometry. Parameters for a National Spherical Torus Experiment scrape-off-layer plasma are used in the model. The formation and convective radial transport of plasma blobs is observed, and it is shown that the radial particle-transport levels are several times higher than diffusive Bohm-transport estimates. By reducing the strength of the poloidal magnetic field, the profile of the heat flux to the divertor p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09500","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":"2026-05-17T23:54:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BsL6lo1WbqfzgLMBCLIhFt8cmqKy9KUpOBnN3qdaaXjv7linMmmviV3XKDmjgLusgsSVCLKm3kdVGSbT/XjLCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T21:51:53.939658Z"},"content_sha256":"60a44ad867505d67b457899deab6f9895f340c7838dd937cd0cbd8a6810d27c9","schema_version":"1.0","event_id":"sha256:60a44ad867505d67b457899deab6f9895f340c7838dd937cd0cbd8a6810d27c9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T2VILDVYIQCG57NE5IDCRC2YBD/bundle.json","state_url":"https://pith.science/pith/T2VILDVYIQCG57NE5IDCRC2YBD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T2VILDVYIQCG57NE5IDCRC2YBD/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":"2026-05-22T21:51:53Z","links":{"resolver":"https://pith.science/pith/T2VILDVYIQCG57NE5IDCRC2YBD","bundle":"https://pith.science/pith/T2VILDVYIQCG57NE5IDCRC2YBD/bundle.json","state":"https://pith.science/pith/T2VILDVYIQCG57NE5IDCRC2YBD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T2VILDVYIQCG57NE5IDCRC2YBD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:T2VILDVYIQCG57NE5IDCRC2YBD","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":"02debc448b08bf340e652e129300f4af74ea29e3d40fe36d11e1e13b474d1cc9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-10-22T18:46:13Z","title_canon_sha256":"af077824d021f6a623c3d9fd1f9a8172b98ccd8e8165f9f93623b84384529557"},"schema_version":"1.0","source":{"id":"1810.09500","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.09500","created_at":"2026-05-17T23:54:02Z"},{"alias_kind":"arxiv_version","alias_value":"1810.09500v1","created_at":"2026-05-17T23:54:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.09500","created_at":"2026-05-17T23:54:02Z"},{"alias_kind":"pith_short_12","alias_value":"T2VILDVYIQCG","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"T2VILDVYIQCG57NE","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"T2VILDVY","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:60a44ad867505d67b457899deab6f9895f340c7838dd937cd0cbd8a6810d27c9","target":"graph","created_at":"2026-05-17T23:54:02Z","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":"Curvature-driven turbulence in a helical open-field-line plasma is investigated using electrostatic five-dimensional gyrokinetic continuum simulations in an all-bad-curvature helical-slab geometry. Parameters for a National Spherical Torus Experiment scrape-off-layer plasma are used in the model. The formation and convective radial transport of plasma blobs is observed, and it is shown that the radial particle-transport levels are several times higher than diffusive Bohm-transport estimates. By reducing the strength of the poloidal magnetic field, the profile of the heat flux to the divertor p","authors_text":"Ammar Hakim, Eric L. Shi, Gregory W. Hammett, Timothy Stoltzfus-Dueck","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-10-22T18:46:13Z","title":"Full-$f$ gyrokinetic simulation of turbulence in a helical open-field-line plasma"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.09500","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":"sha256:84168d1922ae3acc154ff191c8231645c30f632f6364c602dd174e8af8b48b54","target":"record","created_at":"2026-05-17T23:54:02Z","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":"02debc448b08bf340e652e129300f4af74ea29e3d40fe36d11e1e13b474d1cc9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2018-10-22T18:46:13Z","title_canon_sha256":"af077824d021f6a623c3d9fd1f9a8172b98ccd8e8165f9f93623b84384529557"},"schema_version":"1.0","source":{"id":"1810.09500","kind":"arxiv","version":1}},"canonical_sha256":"9eaa858eb844046efda4ea06288b5808fb4cdf6a2a2a9dfd47a47a43bc812f5e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9eaa858eb844046efda4ea06288b5808fb4cdf6a2a2a9dfd47a47a43bc812f5e","first_computed_at":"2026-05-17T23:54:02.429381Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:02.429381Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TAgdA9Z0Bmj1oahZiT0SsurVa5yraaYdSVNKLdavbILzBp5oM2OfuHWvfrq+CfhkK1UR1Q+G5eiQYDlrn3TIBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:02.429973Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.09500","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:84168d1922ae3acc154ff191c8231645c30f632f6364c602dd174e8af8b48b54","sha256:60a44ad867505d67b457899deab6f9895f340c7838dd937cd0cbd8a6810d27c9"],"state_sha256":"8de5e5966f3558fe56e57313cd5aa26b120b9454acddf18409cfa3f776c0fec8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zeX6D1GJ/ebUKdHDvcDDEFVbXyw/JWtET76m1+wJLKwcQ2WIzRm8JkHKU+k3OGrnJtdg+mIkkExHfMNlLjFmDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T21:51:53.941806Z","bundle_sha256":"3c711aa015d6a8f94f6a13e499fcbd8f57b2168da466aee7c61ebd64d11f384e"}}