{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:SJJJYNQBNAZYZYTPIWGVKGO4QV","short_pith_number":"pith:SJJJYNQB","canonical_record":{"source":{"id":"1409.2520","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-09-08T20:40:13Z","cross_cats_sorted":[],"title_canon_sha256":"fa4c51ea439d4c93e05c437a594a0cadff36deb6b7dc73d3f57445de749f2db0","abstract_canon_sha256":"4b574c4a3b3c54608168004b9a06fdb907981e222e371743ceccca5826cda6ce"},"schema_version":"1.0"},"canonical_sha256":"92529c360168338ce26f458d5519dc85726473192454360c7ee8d048dc4ad64d","source":{"kind":"arxiv","id":"1409.2520","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.2520","created_at":"2026-05-18T01:35:16Z"},{"alias_kind":"arxiv_version","alias_value":"1409.2520v2","created_at":"2026-05-18T01:35:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.2520","created_at":"2026-05-18T01:35:16Z"},{"alias_kind":"pith_short_12","alias_value":"SJJJYNQBNAZY","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SJJJYNQBNAZYZYTP","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SJJJYNQB","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:SJJJYNQBNAZYZYTPIWGVKGO4QV","target":"record","payload":{"canonical_record":{"source":{"id":"1409.2520","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-09-08T20:40:13Z","cross_cats_sorted":[],"title_canon_sha256":"fa4c51ea439d4c93e05c437a594a0cadff36deb6b7dc73d3f57445de749f2db0","abstract_canon_sha256":"4b574c4a3b3c54608168004b9a06fdb907981e222e371743ceccca5826cda6ce"},"schema_version":"1.0"},"canonical_sha256":"92529c360168338ce26f458d5519dc85726473192454360c7ee8d048dc4ad64d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:16.494262Z","signature_b64":"4egsFZDYp/7uMranMTNh/hRqWN5z6lJE4miVl5AOfTe0Sa7FFM+vjG0dI6pOpMlH2ISzewZw5NeVhJpyTP76CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92529c360168338ce26f458d5519dc85726473192454360c7ee8d048dc4ad64d","last_reissued_at":"2026-05-18T01:35:16.493658Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:16.493658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.2520","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":"2026-05-18T01:35:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jl8zEhhbu526SRl4GJlnZFnOxhZ1ZcKRvWkivs2jFkI+s/BFqhrrEKzkg8M3aUF0tUnDHPHxIN6rO3hpNzftCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T12:52:51.304277Z"},"content_sha256":"2849813ddb5b2c2e3e24393b0aa5cb88774846f8782f6f0c49f7373d79488b02","schema_version":"1.0","event_id":"sha256:2849813ddb5b2c2e3e24393b0aa5cb88774846f8782f6f0c49f7373d79488b02"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:SJJJYNQBNAZYZYTPIWGVKGO4QV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Gyrokinetic 1D Scrape-Off Layer Model of an ELM Heat Pulse","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"A. H. Hakim, E. L. Shi, G. W. Hammett","submitted_at":"2014-09-08T20:40:13Z","abstract_excerpt":"An electrostatic gyrokinetic-based model is applied to simulate parallel plasma transport in the scrape-off layer to a divertor plate. The authors focus on a test problem that has been studied previously, using parameters chosen to model a heat pulse driven by an edge-localized mode (ELM) in JET. Previous work has used direct particle-in-cell equations with full dynamics, or Vlasov or fluid equations with only parallel dynamics. With the use of the gyrokinetic quasineutrality equation and logical sheath boundary conditions, spatial and temporal resolution requirements are no longer set by the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.2520","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":"2026-05-18T01:35:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p6A3ReSU9d7kURbQu9fhG8K8ATRd/MGe4GLoiOYNJTDgYZEc0djmbRRfuRk3wGzhUcR81LKeA1NFN0w2aECADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T12:52:51.304639Z"},"content_sha256":"3f40eebf6d6ceba8d1ff74d4c8e592d8415af92d4868aaf3c46c84b3d8b3f77f","schema_version":"1.0","event_id":"sha256:3f40eebf6d6ceba8d1ff74d4c8e592d8415af92d4868aaf3c46c84b3d8b3f77f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SJJJYNQBNAZYZYTPIWGVKGO4QV/bundle.json","state_url":"https://pith.science/pith/SJJJYNQBNAZYZYTPIWGVKGO4QV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SJJJYNQBNAZYZYTPIWGVKGO4QV/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":"2026-06-28T12:52:51Z","links":{"resolver":"https://pith.science/pith/SJJJYNQBNAZYZYTPIWGVKGO4QV","bundle":"https://pith.science/pith/SJJJYNQBNAZYZYTPIWGVKGO4QV/bundle.json","state":"https://pith.science/pith/SJJJYNQBNAZYZYTPIWGVKGO4QV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SJJJYNQBNAZYZYTPIWGVKGO4QV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:SJJJYNQBNAZYZYTPIWGVKGO4QV","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":"4b574c4a3b3c54608168004b9a06fdb907981e222e371743ceccca5826cda6ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-09-08T20:40:13Z","title_canon_sha256":"fa4c51ea439d4c93e05c437a594a0cadff36deb6b7dc73d3f57445de749f2db0"},"schema_version":"1.0","source":{"id":"1409.2520","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.2520","created_at":"2026-05-18T01:35:16Z"},{"alias_kind":"arxiv_version","alias_value":"1409.2520v2","created_at":"2026-05-18T01:35:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.2520","created_at":"2026-05-18T01:35:16Z"},{"alias_kind":"pith_short_12","alias_value":"SJJJYNQBNAZY","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SJJJYNQBNAZYZYTP","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SJJJYNQB","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:3f40eebf6d6ceba8d1ff74d4c8e592d8415af92d4868aaf3c46c84b3d8b3f77f","target":"graph","created_at":"2026-05-18T01:35:16Z","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":"An electrostatic gyrokinetic-based model is applied to simulate parallel plasma transport in the scrape-off layer to a divertor plate. The authors focus on a test problem that has been studied previously, using parameters chosen to model a heat pulse driven by an edge-localized mode (ELM) in JET. Previous work has used direct particle-in-cell equations with full dynamics, or Vlasov or fluid equations with only parallel dynamics. With the use of the gyrokinetic quasineutrality equation and logical sheath boundary conditions, spatial and temporal resolution requirements are no longer set by the ","authors_text":"A. H. Hakim, E. L. Shi, G. W. Hammett","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-09-08T20:40:13Z","title":"A Gyrokinetic 1D Scrape-Off Layer Model of an ELM Heat Pulse"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.2520","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":"sha256:2849813ddb5b2c2e3e24393b0aa5cb88774846f8782f6f0c49f7373d79488b02","target":"record","created_at":"2026-05-18T01:35:16Z","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":"4b574c4a3b3c54608168004b9a06fdb907981e222e371743ceccca5826cda6ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2014-09-08T20:40:13Z","title_canon_sha256":"fa4c51ea439d4c93e05c437a594a0cadff36deb6b7dc73d3f57445de749f2db0"},"schema_version":"1.0","source":{"id":"1409.2520","kind":"arxiv","version":2}},"canonical_sha256":"92529c360168338ce26f458d5519dc85726473192454360c7ee8d048dc4ad64d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92529c360168338ce26f458d5519dc85726473192454360c7ee8d048dc4ad64d","first_computed_at":"2026-05-18T01:35:16.493658Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:16.493658Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4egsFZDYp/7uMranMTNh/hRqWN5z6lJE4miVl5AOfTe0Sa7FFM+vjG0dI6pOpMlH2ISzewZw5NeVhJpyTP76CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:16.494262Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.2520","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2849813ddb5b2c2e3e24393b0aa5cb88774846f8782f6f0c49f7373d79488b02","sha256:3f40eebf6d6ceba8d1ff74d4c8e592d8415af92d4868aaf3c46c84b3d8b3f77f"],"state_sha256":"defb8fc199a91e3e2d75d053ca352f5a709ad6ad19694ecec033632393f7defc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rSX7HOi4XClnNnMkSj7i+HaBw3OQDBdwg8/xA3jqrm+eF+tSZtldgBkN7w32jqnuT8FfJ2IdhotT/QuSOaK7BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T12:52:51.309294Z","bundle_sha256":"4054937cad970be7b92437060360a2cdc78996a1f830e38d00195b4bdd726581"}}