{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:Y2J6MCW2MB2XVFDPDQFKNHMLE7","short_pith_number":"pith:Y2J6MCW2","schema_version":"1.0","canonical_sha256":"c693e60ada60757a946f1c0aa69d8b27ddda03ada092d5a52fbfa0025f00860a","source":{"kind":"arxiv","id":"2109.04161","version":1},"attestation_state":"computed","paper":{"title":"Investigation of the effectiveness of non-inductive `multi-harmonic' electron cyclotron current drive through modeling multi-pass absorptions in the EXL-50 spherical tokamak","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"B. Chen, B. Liu, D. Banerjee, D. Luo, H. S. Xie, L. Han, M. S. Liu, M. Y. Wang, R. W. Harvey, S. D. Song, the EXL50 team, W. J. Liu, X. M. Song, Y. J. Shi, Y. K. M. Peng, Yu. V. Petrov, Y. Y. Song","submitted_at":"2021-09-09T10:42:17Z","abstract_excerpt":"The effectiveness of multiple electron cyclotron resonance (ECR) harmonics has been thoroughly investigated in context of high current drive efficiency, generally observed in fully non-inductive operation of the low aspect ratio EXL-50 spherical tokamak (ST) powered by electron cyclotron (EC) waves. The Fokker-Plank equation is numerically solved to obtain electron distribution function, under steady state of the relativistic nonlinear Coulomb collision and quasi-linear diffusion operators, for calculating plasma current driven by the injected EC wave. For the extra-ordinary EC wave, simulatio"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2109.04161","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2021-09-09T10:42:17Z","cross_cats_sorted":[],"title_canon_sha256":"327660cceb68cf789bbc6fa62d5f9ba7c149689ec8e6097db2190ecd9015aef0","abstract_canon_sha256":"bd32c68a58602985ca929d3d88b7438f0346c8e613ccc24d8c03632680f5fac8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:12:55.800198Z","signature_b64":"yx/XW71rXNYRNnu1e/WAXpkp+e+5H9+adidH7iWz/+36qs6GFgZ+J7ToX2B5cJ4um7eGd3vgABQm+xbOu2NfDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c693e60ada60757a946f1c0aa69d8b27ddda03ada092d5a52fbfa0025f00860a","last_reissued_at":"2026-07-05T03:12:55.799784Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:12:55.799784Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Investigation of the effectiveness of non-inductive `multi-harmonic' electron cyclotron current drive through modeling multi-pass absorptions in the EXL-50 spherical tokamak","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"B. Chen, B. Liu, D. Banerjee, D. Luo, H. S. Xie, L. Han, M. S. Liu, M. Y. Wang, R. W. Harvey, S. D. Song, the EXL50 team, W. J. Liu, X. M. Song, Y. J. Shi, Y. K. M. Peng, Yu. V. Petrov, Y. Y. Song","submitted_at":"2021-09-09T10:42:17Z","abstract_excerpt":"The effectiveness of multiple electron cyclotron resonance (ECR) harmonics has been thoroughly investigated in context of high current drive efficiency, generally observed in fully non-inductive operation of the low aspect ratio EXL-50 spherical tokamak (ST) powered by electron cyclotron (EC) waves. The Fokker-Plank equation is numerically solved to obtain electron distribution function, under steady state of the relativistic nonlinear Coulomb collision and quasi-linear diffusion operators, for calculating plasma current driven by the injected EC wave. For the extra-ordinary EC wave, simulatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.04161","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2109.04161/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2109.04161","created_at":"2026-07-05T03:12:55.799848+00:00"},{"alias_kind":"arxiv_version","alias_value":"2109.04161v1","created_at":"2026-07-05T03:12:55.799848+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.04161","created_at":"2026-07-05T03:12:55.799848+00:00"},{"alias_kind":"pith_short_12","alias_value":"Y2J6MCW2MB2X","created_at":"2026-07-05T03:12:55.799848+00:00"},{"alias_kind":"pith_short_16","alias_value":"Y2J6MCW2MB2XVFDP","created_at":"2026-07-05T03:12:55.799848+00:00"},{"alias_kind":"pith_short_8","alias_value":"Y2J6MCW2","created_at":"2026-07-05T03:12:55.799848+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Y2J6MCW2MB2XVFDPDQFKNHMLE7","json":"https://pith.science/pith/Y2J6MCW2MB2XVFDPDQFKNHMLE7.json","graph_json":"https://pith.science/api/pith-number/Y2J6MCW2MB2XVFDPDQFKNHMLE7/graph.json","events_json":"https://pith.science/api/pith-number/Y2J6MCW2MB2XVFDPDQFKNHMLE7/events.json","paper":"https://pith.science/paper/Y2J6MCW2"},"agent_actions":{"view_html":"https://pith.science/pith/Y2J6MCW2MB2XVFDPDQFKNHMLE7","download_json":"https://pith.science/pith/Y2J6MCW2MB2XVFDPDQFKNHMLE7.json","view_paper":"https://pith.science/paper/Y2J6MCW2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2109.04161&json=true","fetch_graph":"https://pith.science/api/pith-number/Y2J6MCW2MB2XVFDPDQFKNHMLE7/graph.json","fetch_events":"https://pith.science/api/pith-number/Y2J6MCW2MB2XVFDPDQFKNHMLE7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Y2J6MCW2MB2XVFDPDQFKNHMLE7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Y2J6MCW2MB2XVFDPDQFKNHMLE7/action/storage_attestation","attest_author":"https://pith.science/pith/Y2J6MCW2MB2XVFDPDQFKNHMLE7/action/author_attestation","sign_citation":"https://pith.science/pith/Y2J6MCW2MB2XVFDPDQFKNHMLE7/action/citation_signature","submit_replication":"https://pith.science/pith/Y2J6MCW2MB2XVFDPDQFKNHMLE7/action/replication_record"}},"created_at":"2026-07-05T03:12:55.799848+00:00","updated_at":"2026-07-05T03:12:55.799848+00:00"}