{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:I5GTWJPNPYXR75ANTYAQWRLU2C","short_pith_number":"pith:I5GTWJPN","canonical_record":{"source":{"id":"1306.6776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2013-06-28T10:07:26Z","cross_cats_sorted":[],"title_canon_sha256":"804912c4e6f690fb8bee41542337abfe8e919f92502ee0329b8b73b10dcda9f0","abstract_canon_sha256":"1cb43160d30663f682d848aee4d11d51a6313ea2de546ef7baea854c7c552329"},"schema_version":"1.0"},"canonical_sha256":"474d3b25ed7e2f1ff40d9e010b4574d0bf002813a6e3caaf00bdd154b65ac830","source":{"kind":"arxiv","id":"1306.6776","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.6776","created_at":"2026-05-18T03:19:43Z"},{"alias_kind":"arxiv_version","alias_value":"1306.6776v1","created_at":"2026-05-18T03:19:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.6776","created_at":"2026-05-18T03:19:43Z"},{"alias_kind":"pith_short_12","alias_value":"I5GTWJPNPYXR","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"I5GTWJPNPYXR75AN","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"I5GTWJPN","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:I5GTWJPNPYXR75ANTYAQWRLU2C","target":"record","payload":{"canonical_record":{"source":{"id":"1306.6776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2013-06-28T10:07:26Z","cross_cats_sorted":[],"title_canon_sha256":"804912c4e6f690fb8bee41542337abfe8e919f92502ee0329b8b73b10dcda9f0","abstract_canon_sha256":"1cb43160d30663f682d848aee4d11d51a6313ea2de546ef7baea854c7c552329"},"schema_version":"1.0"},"canonical_sha256":"474d3b25ed7e2f1ff40d9e010b4574d0bf002813a6e3caaf00bdd154b65ac830","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:19:43.039045Z","signature_b64":"ydbtdREunDrwGEVTVFApGJoFMpWCQ6nKxpWHdJzDhVr4M9buckJH8NtHUiW/FrRhAXPTU1JK8cCf/SsSZk2XAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"474d3b25ed7e2f1ff40d9e010b4574d0bf002813a6e3caaf00bdd154b65ac830","last_reissued_at":"2026-05-18T03:19:43.038484Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:19:43.038484Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.6776","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":"2026-05-18T03:19:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f3UHOm6cjImznsrRb8E9e4TEeIS1R91ANFyLgcV+dGQeQekCAP2bl/VUa6l6gwGd/4p9b7VH4lEA4SpOnpBVDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T17:25:41.782918Z"},"content_sha256":"ab04fe82e23b938e8a2b24f497a1718e4a5a357c8c0b07e255966b93169b8459","schema_version":"1.0","event_id":"sha256:ab04fe82e23b938e8a2b24f497a1718e4a5a357c8c0b07e255966b93169b8459"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:I5GTWJPNPYXR75ANTYAQWRLU2C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sawtooth control using electron cyclotron current drive in the presence of energetic particles in high performance ASDEX Upgrade plasmas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"G Tardini, I T Chapman, M Maraschek, P J McCarthy, the ASDEX Upgrade ECRH Group, the ASDEX Upgrade Team, V Igochine","submitted_at":"2013-06-28T10:07:26Z","abstract_excerpt":"Sawtooth control using steerable electron cyclotron current drive (ECCD) has been demonstrated in ASDEX Upgrade plasmas with a significant population of energetic ions in the plasma core and long uncontrolled sawtooth periods. The sawtooth period is found to be minimised when the ECCD resonance is swept to just inside the q = 1 surface. By utilising ECCD inside q = 1 for sawtooth control, it is possible to avoid the triggering of neoclassical tearing modes, even at significnatly higher pressure than anticipated in the ITER baseline scenario. Operation at 25% higher normalised pressure has been"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.6776","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":"2026-05-18T03:19:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"td5GQ32KY1DmqSpPi6yumxVeYbZjj17jZnWTbht+JKD70+tAKa206dCkGcB7K7FsPLRfptSd2os45gL176aFCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T17:25:41.783265Z"},"content_sha256":"954640fe309df581cc6e9280f5429f0c0d7c7c556321036a9b524f43b599e811","schema_version":"1.0","event_id":"sha256:954640fe309df581cc6e9280f5429f0c0d7c7c556321036a9b524f43b599e811"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I5GTWJPNPYXR75ANTYAQWRLU2C/bundle.json","state_url":"https://pith.science/pith/I5GTWJPNPYXR75ANTYAQWRLU2C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I5GTWJPNPYXR75ANTYAQWRLU2C/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":"2026-06-02T17:25:41Z","links":{"resolver":"https://pith.science/pith/I5GTWJPNPYXR75ANTYAQWRLU2C","bundle":"https://pith.science/pith/I5GTWJPNPYXR75ANTYAQWRLU2C/bundle.json","state":"https://pith.science/pith/I5GTWJPNPYXR75ANTYAQWRLU2C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I5GTWJPNPYXR75ANTYAQWRLU2C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:I5GTWJPNPYXR75ANTYAQWRLU2C","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":"1cb43160d30663f682d848aee4d11d51a6313ea2de546ef7baea854c7c552329","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2013-06-28T10:07:26Z","title_canon_sha256":"804912c4e6f690fb8bee41542337abfe8e919f92502ee0329b8b73b10dcda9f0"},"schema_version":"1.0","source":{"id":"1306.6776","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.6776","created_at":"2026-05-18T03:19:43Z"},{"alias_kind":"arxiv_version","alias_value":"1306.6776v1","created_at":"2026-05-18T03:19:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.6776","created_at":"2026-05-18T03:19:43Z"},{"alias_kind":"pith_short_12","alias_value":"I5GTWJPNPYXR","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"I5GTWJPNPYXR75AN","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"I5GTWJPN","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:954640fe309df581cc6e9280f5429f0c0d7c7c556321036a9b524f43b599e811","target":"graph","created_at":"2026-05-18T03:19:43Z","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":"Sawtooth control using steerable electron cyclotron current drive (ECCD) has been demonstrated in ASDEX Upgrade plasmas with a significant population of energetic ions in the plasma core and long uncontrolled sawtooth periods. The sawtooth period is found to be minimised when the ECCD resonance is swept to just inside the q = 1 surface. By utilising ECCD inside q = 1 for sawtooth control, it is possible to avoid the triggering of neoclassical tearing modes, even at significnatly higher pressure than anticipated in the ITER baseline scenario. Operation at 25% higher normalised pressure has been","authors_text":"G Tardini, I T Chapman, M Maraschek, P J McCarthy, the ASDEX Upgrade ECRH Group, the ASDEX Upgrade Team, V Igochine","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2013-06-28T10:07:26Z","title":"Sawtooth control using electron cyclotron current drive in the presence of energetic particles in high performance ASDEX Upgrade plasmas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.6776","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:ab04fe82e23b938e8a2b24f497a1718e4a5a357c8c0b07e255966b93169b8459","target":"record","created_at":"2026-05-18T03:19:43Z","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":"1cb43160d30663f682d848aee4d11d51a6313ea2de546ef7baea854c7c552329","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2013-06-28T10:07:26Z","title_canon_sha256":"804912c4e6f690fb8bee41542337abfe8e919f92502ee0329b8b73b10dcda9f0"},"schema_version":"1.0","source":{"id":"1306.6776","kind":"arxiv","version":1}},"canonical_sha256":"474d3b25ed7e2f1ff40d9e010b4574d0bf002813a6e3caaf00bdd154b65ac830","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"474d3b25ed7e2f1ff40d9e010b4574d0bf002813a6e3caaf00bdd154b65ac830","first_computed_at":"2026-05-18T03:19:43.038484Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:43.038484Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ydbtdREunDrwGEVTVFApGJoFMpWCQ6nKxpWHdJzDhVr4M9buckJH8NtHUiW/FrRhAXPTU1JK8cCf/SsSZk2XAA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:43.039045Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.6776","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab04fe82e23b938e8a2b24f497a1718e4a5a357c8c0b07e255966b93169b8459","sha256:954640fe309df581cc6e9280f5429f0c0d7c7c556321036a9b524f43b599e811"],"state_sha256":"e963718b1cf39026e8a733fc48f6a02b106ec3cba8a966e10cb93aed574cd1ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gqR15f9NFqFjt7rUT31Er5ysp2br0KXRbsKmC1y1HD7Yp9o1k1PVpPmF/DN25sfNZ8epepSWYY042iOAx1m5Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T17:25:41.788644Z","bundle_sha256":"9132db1e82e800033c6eabb36dcaee054931bbabcaa896b1641817d97a308960"}}