{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:NWQG5XKHQUI7FYNHOA3B32SLQC","short_pith_number":"pith:NWQG5XKH","canonical_record":{"source":{"id":"2307.05085","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-07-11T07:35:30Z","cross_cats_sorted":[],"title_canon_sha256":"316114ece523861a416485179166a2693dd0cd1cf6446baa373a7b880961b152","abstract_canon_sha256":"3845a66b6ce87cac661563d0b4169d300193a55ac9b57eb5541b3bd2a5e257c6"},"schema_version":"1.0"},"canonical_sha256":"6da06edd478511f2e1a770361dea4b8096e3ac8c28739ecb2473c569ea77cccb","source":{"kind":"arxiv","id":"2307.05085","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.05085","created_at":"2026-07-05T06:29:26Z"},{"alias_kind":"arxiv_version","alias_value":"2307.05085v1","created_at":"2026-07-05T06:29:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.05085","created_at":"2026-07-05T06:29:26Z"},{"alias_kind":"pith_short_12","alias_value":"NWQG5XKHQUI7","created_at":"2026-07-05T06:29:26Z"},{"alias_kind":"pith_short_16","alias_value":"NWQG5XKHQUI7FYNH","created_at":"2026-07-05T06:29:26Z"},{"alias_kind":"pith_short_8","alias_value":"NWQG5XKH","created_at":"2026-07-05T06:29:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:NWQG5XKHQUI7FYNHOA3B32SLQC","target":"record","payload":{"canonical_record":{"source":{"id":"2307.05085","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-07-11T07:35:30Z","cross_cats_sorted":[],"title_canon_sha256":"316114ece523861a416485179166a2693dd0cd1cf6446baa373a7b880961b152","abstract_canon_sha256":"3845a66b6ce87cac661563d0b4169d300193a55ac9b57eb5541b3bd2a5e257c6"},"schema_version":"1.0"},"canonical_sha256":"6da06edd478511f2e1a770361dea4b8096e3ac8c28739ecb2473c569ea77cccb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:29:26.225253Z","signature_b64":"ezEwJ//8N3fxOvPJ3uXFwYvBImxrfE8om+gzNcjNNHIzSSCQH3R8BTTS2tOhnVMdjLW5Y1gIfUJQPHkJgfL+BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6da06edd478511f2e1a770361dea4b8096e3ac8c28739ecb2473c569ea77cccb","last_reissued_at":"2026-07-05T06:29:26.224910Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:29:26.224910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.05085","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":"2026-07-05T06:29:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KFTubBLIGbFwWo58NS2ayDAYJGznplMv3igpBMjkUGvydIC2mp6odcnFd6NmP2uyCEAwwRsslCprqHjMvT3ADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T13:38:14.725326Z"},"content_sha256":"b587f207970d16c9386d917627c53203b0e31543a107762a25c960eb46cbf4bf","schema_version":"1.0","event_id":"sha256:b587f207970d16c9386d917627c53203b0e31543a107762a25c960eb46cbf4bf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:NWQG5XKHQUI7FYNHOA3B32SLQC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A self-sustaining mechanism for Internal Transport Barrier formation in HL-2A tokamak plasmas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"J. Garcia, J. Q. Li, S. Mazzi, W. H. Lin, X. X. He, X. Yu, Z. J. Li","submitted_at":"2023-07-11T07:35:30Z","abstract_excerpt":"The formation of Internal Transport Barrier (ITB) is studied in HL-2A plasmas by means of nonlinear gyrokinetic simulations. A new paradigm for the ITB formation is proposed in which different physics mechanisms play a different role depending on the ITB formation stage. In the early stage, fast ions, introduced by Neutral Beam Injection (NBI) ion system, are found to stabilize the thermal-ion-driven instability by dilution, thus reducing the ion heat fluxes and finally triggering the ITB. Such dilution effects, however, play a minor role after the ITB is triggered as electromagnetic effects a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.05085","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/2307.05085/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:29:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tHyhmUEViBdVXcwX8U74iwd8MbFMCFVP8iepFY/Nx3WEU6insyfED7aGmHhcQWQU3YFcip22wE/TT8wAIBHwAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T13:38:14.725871Z"},"content_sha256":"76aca82771b42974f3a4bc4e3bdb0aff9b47aa3b0094b56254866b650c718ad5","schema_version":"1.0","event_id":"sha256:76aca82771b42974f3a4bc4e3bdb0aff9b47aa3b0094b56254866b650c718ad5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NWQG5XKHQUI7FYNHOA3B32SLQC/bundle.json","state_url":"https://pith.science/pith/NWQG5XKHQUI7FYNHOA3B32SLQC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NWQG5XKHQUI7FYNHOA3B32SLQC/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":"2026-08-10T13:38:14Z","links":{"resolver":"https://pith.science/pith/NWQG5XKHQUI7FYNHOA3B32SLQC","bundle":"https://pith.science/pith/NWQG5XKHQUI7FYNHOA3B32SLQC/bundle.json","state":"https://pith.science/pith/NWQG5XKHQUI7FYNHOA3B32SLQC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NWQG5XKHQUI7FYNHOA3B32SLQC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:NWQG5XKHQUI7FYNHOA3B32SLQC","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":"3845a66b6ce87cac661563d0b4169d300193a55ac9b57eb5541b3bd2a5e257c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-07-11T07:35:30Z","title_canon_sha256":"316114ece523861a416485179166a2693dd0cd1cf6446baa373a7b880961b152"},"schema_version":"1.0","source":{"id":"2307.05085","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.05085","created_at":"2026-07-05T06:29:26Z"},{"alias_kind":"arxiv_version","alias_value":"2307.05085v1","created_at":"2026-07-05T06:29:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.05085","created_at":"2026-07-05T06:29:26Z"},{"alias_kind":"pith_short_12","alias_value":"NWQG5XKHQUI7","created_at":"2026-07-05T06:29:26Z"},{"alias_kind":"pith_short_16","alias_value":"NWQG5XKHQUI7FYNH","created_at":"2026-07-05T06:29:26Z"},{"alias_kind":"pith_short_8","alias_value":"NWQG5XKH","created_at":"2026-07-05T06:29:26Z"}],"graph_snapshots":[{"event_id":"sha256:76aca82771b42974f3a4bc4e3bdb0aff9b47aa3b0094b56254866b650c718ad5","target":"graph","created_at":"2026-07-05T06:29:26Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2307.05085/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The formation of Internal Transport Barrier (ITB) is studied in HL-2A plasmas by means of nonlinear gyrokinetic simulations. A new paradigm for the ITB formation is proposed in which different physics mechanisms play a different role depending on the ITB formation stage. In the early stage, fast ions, introduced by Neutral Beam Injection (NBI) ion system, are found to stabilize the thermal-ion-driven instability by dilution, thus reducing the ion heat fluxes and finally triggering the ITB. Such dilution effects, however, play a minor role after the ITB is triggered as electromagnetic effects a","authors_text":"J. Garcia, J. Q. Li, S. Mazzi, W. H. Lin, X. X. He, X. Yu, Z. J. Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-07-11T07:35:30Z","title":"A self-sustaining mechanism for Internal Transport Barrier formation in HL-2A tokamak plasmas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.05085","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:b587f207970d16c9386d917627c53203b0e31543a107762a25c960eb46cbf4bf","target":"record","created_at":"2026-07-05T06:29:26Z","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":"3845a66b6ce87cac661563d0b4169d300193a55ac9b57eb5541b3bd2a5e257c6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2023-07-11T07:35:30Z","title_canon_sha256":"316114ece523861a416485179166a2693dd0cd1cf6446baa373a7b880961b152"},"schema_version":"1.0","source":{"id":"2307.05085","kind":"arxiv","version":1}},"canonical_sha256":"6da06edd478511f2e1a770361dea4b8096e3ac8c28739ecb2473c569ea77cccb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6da06edd478511f2e1a770361dea4b8096e3ac8c28739ecb2473c569ea77cccb","first_computed_at":"2026-07-05T06:29:26.224910Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:29:26.224910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ezEwJ//8N3fxOvPJ3uXFwYvBImxrfE8om+gzNcjNNHIzSSCQH3R8BTTS2tOhnVMdjLW5Y1gIfUJQPHkJgfL+BA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:29:26.225253Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.05085","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b587f207970d16c9386d917627c53203b0e31543a107762a25c960eb46cbf4bf","sha256:76aca82771b42974f3a4bc4e3bdb0aff9b47aa3b0094b56254866b650c718ad5"],"state_sha256":"856903e496af62fb7e9d347c41eaccb7071c3699e3858e94ec9565190b3adb2a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rj42ay05l4ZRCFLqp9z7eqlWeREHrQWDn75q4s0IBA19jF+mLpdOJfFihIrEK7jD+1gWnxioroNZr1eYG0biAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T13:38:14.733662Z","bundle_sha256":"26196731c030245d9aed837a6db0e471aaf0a46a17b7c118fa1c856088293494"}}