{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DOFEEVP2NBHTEBWKDT3BZS5T6V","short_pith_number":"pith:DOFEEVP2","canonical_record":{"source":{"id":"1603.04727","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2016-03-15T15:49:31Z","cross_cats_sorted":[],"title_canon_sha256":"78836d8d3b2b08a56d5e5d338d26e3912555aa8f1ca64e8cf87d6c11ed47a3b1","abstract_canon_sha256":"08b96ed0c0cd04e4a30e983bc4a67307254e368fd961d8e8ba0845d434009b81"},"schema_version":"1.0"},"canonical_sha256":"1b8a4255fa684f3206ca1cf61ccbb3f544feba490e92dd2d712500b2288d475c","source":{"kind":"arxiv","id":"1603.04727","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.04727","created_at":"2026-05-18T01:19:04Z"},{"alias_kind":"arxiv_version","alias_value":"1603.04727v1","created_at":"2026-05-18T01:19:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.04727","created_at":"2026-05-18T01:19:04Z"},{"alias_kind":"pith_short_12","alias_value":"DOFEEVP2NBHT","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DOFEEVP2NBHTEBWK","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DOFEEVP2","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DOFEEVP2NBHTEBWKDT3BZS5T6V","target":"record","payload":{"canonical_record":{"source":{"id":"1603.04727","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2016-03-15T15:49:31Z","cross_cats_sorted":[],"title_canon_sha256":"78836d8d3b2b08a56d5e5d338d26e3912555aa8f1ca64e8cf87d6c11ed47a3b1","abstract_canon_sha256":"08b96ed0c0cd04e4a30e983bc4a67307254e368fd961d8e8ba0845d434009b81"},"schema_version":"1.0"},"canonical_sha256":"1b8a4255fa684f3206ca1cf61ccbb3f544feba490e92dd2d712500b2288d475c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:19:04.115781Z","signature_b64":"guL56AudR5/4BEIQEHiaFoadNm7AG/t572PjXq7n703PcNfvH18HWEfxU+hxyJZxRfgi0IbXh6UxbtQEyr9aDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1b8a4255fa684f3206ca1cf61ccbb3f544feba490e92dd2d712500b2288d475c","last_reissued_at":"2026-05-18T01:19:04.115151Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:19:04.115151Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.04727","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":"2026-05-18T01:19:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HnpBKWx9Mpi+YiJwa4FXxvm7VwmBtVYOQx02QueO6048Z6pbkrHE64EkRRB5tXodcalo7frq6z6CE2mz3hakBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T23:06:41.641490Z"},"content_sha256":"577acd9a31ac76ee5b8586eb38edde59887e94b05ad63d93c062c68fa06200f5","schema_version":"1.0","event_id":"sha256:577acd9a31ac76ee5b8586eb38edde59887e94b05ad63d93c062c68fa06200f5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DOFEEVP2NBHTEBWKDT3BZS5T6V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gyrokinetic simulations of fusion plasmas using a spectral velocity space representation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"Joseph Thomas Parker","submitted_at":"2016-03-15T15:49:31Z","abstract_excerpt":"Magnetic confinement fusion reactors suffer severely from heat and particle losses through turbulent transport, which has inspired the construction of ever larger and more expensive reactors. Numerical simulations are vital to their design and operation, but particle collisions are too infrequent for fluid descriptions to be valid. Instead, strongly magnetised fusion plasmas are described by the gyrokinetic equations, a nonlinear integro-differential system for evolving the particle distribution functions in a five-dimensional position and velocity space, and the consequent electromagnetic fie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.04727","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":"2026-05-18T01:19:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rTrbMNfv/IvumllabYPnqGyQrHVisuYeW87/qOQA12TOFBX0/L+u/5s3CgO4KAqg09lp6Sj5af+acRiT5plrBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T23:06:41.641841Z"},"content_sha256":"c8913d1a1ea983d2dad3dc28772d9d5f972565e6396766ef684a2d894e8c5fdd","schema_version":"1.0","event_id":"sha256:c8913d1a1ea983d2dad3dc28772d9d5f972565e6396766ef684a2d894e8c5fdd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DOFEEVP2NBHTEBWKDT3BZS5T6V/bundle.json","state_url":"https://pith.science/pith/DOFEEVP2NBHTEBWKDT3BZS5T6V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DOFEEVP2NBHTEBWKDT3BZS5T6V/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":"2026-06-22T23:06:41Z","links":{"resolver":"https://pith.science/pith/DOFEEVP2NBHTEBWKDT3BZS5T6V","bundle":"https://pith.science/pith/DOFEEVP2NBHTEBWKDT3BZS5T6V/bundle.json","state":"https://pith.science/pith/DOFEEVP2NBHTEBWKDT3BZS5T6V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DOFEEVP2NBHTEBWKDT3BZS5T6V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DOFEEVP2NBHTEBWKDT3BZS5T6V","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":"08b96ed0c0cd04e4a30e983bc4a67307254e368fd961d8e8ba0845d434009b81","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2016-03-15T15:49:31Z","title_canon_sha256":"78836d8d3b2b08a56d5e5d338d26e3912555aa8f1ca64e8cf87d6c11ed47a3b1"},"schema_version":"1.0","source":{"id":"1603.04727","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.04727","created_at":"2026-05-18T01:19:04Z"},{"alias_kind":"arxiv_version","alias_value":"1603.04727v1","created_at":"2026-05-18T01:19:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.04727","created_at":"2026-05-18T01:19:04Z"},{"alias_kind":"pith_short_12","alias_value":"DOFEEVP2NBHT","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DOFEEVP2NBHTEBWK","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DOFEEVP2","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:c8913d1a1ea983d2dad3dc28772d9d5f972565e6396766ef684a2d894e8c5fdd","target":"graph","created_at":"2026-05-18T01:19:04Z","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 confinement fusion reactors suffer severely from heat and particle losses through turbulent transport, which has inspired the construction of ever larger and more expensive reactors. Numerical simulations are vital to their design and operation, but particle collisions are too infrequent for fluid descriptions to be valid. Instead, strongly magnetised fusion plasmas are described by the gyrokinetic equations, a nonlinear integro-differential system for evolving the particle distribution functions in a five-dimensional position and velocity space, and the consequent electromagnetic fie","authors_text":"Joseph Thomas Parker","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2016-03-15T15:49:31Z","title":"Gyrokinetic simulations of fusion plasmas using a spectral velocity space representation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.04727","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":"sha256:577acd9a31ac76ee5b8586eb38edde59887e94b05ad63d93c062c68fa06200f5","target":"record","created_at":"2026-05-18T01:19:04Z","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":"08b96ed0c0cd04e4a30e983bc4a67307254e368fd961d8e8ba0845d434009b81","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2016-03-15T15:49:31Z","title_canon_sha256":"78836d8d3b2b08a56d5e5d338d26e3912555aa8f1ca64e8cf87d6c11ed47a3b1"},"schema_version":"1.0","source":{"id":"1603.04727","kind":"arxiv","version":1}},"canonical_sha256":"1b8a4255fa684f3206ca1cf61ccbb3f544feba490e92dd2d712500b2288d475c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1b8a4255fa684f3206ca1cf61ccbb3f544feba490e92dd2d712500b2288d475c","first_computed_at":"2026-05-18T01:19:04.115151Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:19:04.115151Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"guL56AudR5/4BEIQEHiaFoadNm7AG/t572PjXq7n703PcNfvH18HWEfxU+hxyJZxRfgi0IbXh6UxbtQEyr9aDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:19:04.115781Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.04727","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:577acd9a31ac76ee5b8586eb38edde59887e94b05ad63d93c062c68fa06200f5","sha256:c8913d1a1ea983d2dad3dc28772d9d5f972565e6396766ef684a2d894e8c5fdd"],"state_sha256":"7e5039cac3e7c91716bddb1ba0bc3665298834bb677d600725a113dabc15e151"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n841LXt1MBKqMgkVulON1rZM4LkRF1x9FKtHYiJHOCw0qI4mqayr9ZcZ3qHCDx2F9qzX8bVw9ndF7Dpjxue3Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T23:06:41.643762Z","bundle_sha256":"0d5e125b7164b5efcf3fa152e440ae86feac0100e0542326a731146f0f3709b7"}}