{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:YTIQZOEWM2LFCISLDSXRJJHTCP","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":"093f84d85e3e8e0d3e7ef5458bf15a96ac2bdb0004c9287494ef2a0d764da893","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2012-09-27T18:21:17Z","title_canon_sha256":"7a444e7fe66b24779f6ca99de3d749454f331a6cf61659994d88a71228a6a35e"},"schema_version":"1.0","source":{"id":"1209.6321","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.6321","created_at":"2026-05-18T01:54:13Z"},{"alias_kind":"arxiv_version","alias_value":"1209.6321v3","created_at":"2026-05-18T01:54:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.6321","created_at":"2026-05-18T01:54:13Z"},{"alias_kind":"pith_short_12","alias_value":"YTIQZOEWM2LF","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"YTIQZOEWM2LFCISL","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"YTIQZOEW","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:9d4278fb7d840abec741ef535b152ad3aa92feeffc20eb2cd000ef7b478085c5","target":"graph","created_at":"2026-05-18T01:54:13Z","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":"We discuss the role of neoclassical resistivity and local magnetic shear in the triggering of the sawtooth in tokamaks. When collisional detrapping of electrons is considered the value of the safety factor on axis, $q(0,t)$, evolves on a new time scale, $\\tau_{*}=\\tau_{\\eta}\\nu_{*}/(8\\sqrt{\\epsilon})$, where $\\tau_{\\eta}=4\\pi a^{2}/[c^{2}\\eta(0)]$ is the resistive diffusion time, $\\nu_{*}=\\nu_{e}/(\\epsilon^{3/2}\\omega_{te})$ the electron collision frequency normalised to the transit frequency and $\\epsilon=a/R_{0}$ the tokamak inverse aspect ratio. Such evolution is characterised by the format","authors_text":"A. Zocco, C. G. Gimblett, J. W. Connor, R. J. Hastie","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2012-09-27T18:21:17Z","title":"Improved Criterion for Sawtooth Trigger and Modelling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.6321","kind":"arxiv","version":3},"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:b325c3bf0dd58ccf0e58d3480ab6eca27f8ffb7178818000993a5c78aac3df54","target":"record","created_at":"2026-05-18T01:54:13Z","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":"093f84d85e3e8e0d3e7ef5458bf15a96ac2bdb0004c9287494ef2a0d764da893","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2012-09-27T18:21:17Z","title_canon_sha256":"7a444e7fe66b24779f6ca99de3d749454f331a6cf61659994d88a71228a6a35e"},"schema_version":"1.0","source":{"id":"1209.6321","kind":"arxiv","version":3}},"canonical_sha256":"c4d10cb896669651224b1caf14a4f313de1238274ee0a952dd67b5ef05dabf15","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4d10cb896669651224b1caf14a4f313de1238274ee0a952dd67b5ef05dabf15","first_computed_at":"2026-05-18T01:54:13.200380Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:13.200380Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dG6OCiCSy8aAImtvMvxEUFMKfECBdPRryjwBenFZJ/ZkbbQ3cpUKr4LDwgs9D6QLgQK5U7zCHj2zTamgGWH2DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:13.201022Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.6321","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b325c3bf0dd58ccf0e58d3480ab6eca27f8ffb7178818000993a5c78aac3df54","sha256:9d4278fb7d840abec741ef535b152ad3aa92feeffc20eb2cd000ef7b478085c5"],"state_sha256":"a99d0aaa706f236422a2af1e3acfbd17754d32576660dd42c84fbaf67bed2722"}