{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:DSORUA2XCOJDEKI6PHCKXF72IA","short_pith_number":"pith:DSORUA2X","canonical_record":{"source":{"id":"1501.01798","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-01-08T11:14:17Z","cross_cats_sorted":[],"title_canon_sha256":"66d9672cf36e186a07ddab31420af67dedf471b92d211e8d8ed561de0b74ee02","abstract_canon_sha256":"a6949240a4aff3651b5ae8fc7d4b0ab911b4ef6dda172ea2febd772b992cac74"},"schema_version":"1.0"},"canonical_sha256":"1c9d1a0357139232291e79c4ab97fa401d412191da4b224c8cad1b84fa4eeaca","source":{"kind":"arxiv","id":"1501.01798","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01798","created_at":"2026-05-18T01:41:13Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01798v1","created_at":"2026-05-18T01:41:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01798","created_at":"2026-05-18T01:41:13Z"},{"alias_kind":"pith_short_12","alias_value":"DSORUA2XCOJD","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DSORUA2XCOJDEKI6","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DSORUA2X","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:DSORUA2XCOJDEKI6PHCKXF72IA","target":"record","payload":{"canonical_record":{"source":{"id":"1501.01798","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-01-08T11:14:17Z","cross_cats_sorted":[],"title_canon_sha256":"66d9672cf36e186a07ddab31420af67dedf471b92d211e8d8ed561de0b74ee02","abstract_canon_sha256":"a6949240a4aff3651b5ae8fc7d4b0ab911b4ef6dda172ea2febd772b992cac74"},"schema_version":"1.0"},"canonical_sha256":"1c9d1a0357139232291e79c4ab97fa401d412191da4b224c8cad1b84fa4eeaca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:13.810992Z","signature_b64":"N0FTNvPdJdXqNVfiLKkU1ZEFCIFXJIjKvdLWcaQoLRZGzpPoDeMSQ8LKAgJ+ugLfpFepO/Dgv3pPCBWjQeLwBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c9d1a0357139232291e79c4ab97fa401d412191da4b224c8cad1b84fa4eeaca","last_reissued_at":"2026-05-18T01:41:13.810363Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:13.810363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.01798","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":"2026-05-18T01:41:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f3DOLQpkmMglWUpRm6jTCxLqBHRXlCwtINxWYXvtA94THJ+oUe29Gvbu5K1NLt4TejskrV+HpAHsOejnBF+iAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:06:51.836154Z"},"content_sha256":"fb49a9c309a07149a5b2d5569ba8cff5e0a1d8cad54e3b32618f8113d013b7c8","schema_version":"1.0","event_id":"sha256:fb49a9c309a07149a5b2d5569ba8cff5e0a1d8cad54e3b32618f8113d013b7c8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:DSORUA2XCOJDEKI6PHCKXF72IA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Long Pulse EBW Start-up Experiments in MAST","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.plasm-ph","authors_text":"A.N. Saveliev, G. Taylor, H. Tanaka, J.B. Caughman, J. Mailloux, M. Peng, M.R. O Brien, S. Diem, T. Bigelow, V.F. Shevchenko, Y. Takase","submitted_at":"2015-01-08T11:14:17Z","abstract_excerpt":"The non-solenoid start-up technique reported here relies on a double mode conversion for electron Bernstein wave (EBW) excitation. It consists of the mode conversion of the ordinary mode, entering the plasma from the low field side of the tokamak, into the extraordinary (X) mode at a mirror-polarizer located at the high field side. The X mode propagates back to the plasma, passes through electron cyclotron resonance and experiences a subsequent X to EBW mode conversion near the upper hybrid resonance. Finally the excited EBW mode is totally absorbed at the Doppler shifted electron cyclotron re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01798","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":"2026-05-18T01:41:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uBUgpaDAAt9rauspAdAQaGSIkCWurRtq2dsU8kJnRiYb7pE05xrQTCW+rJyeHN2I9E5sltCEFxOm7omtS3V7Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T15:06:51.836880Z"},"content_sha256":"2a9c5e7dd88eef603c6de2f6d1bc7028b754e643c74986c55e73cd1c07908f84","schema_version":"1.0","event_id":"sha256:2a9c5e7dd88eef603c6de2f6d1bc7028b754e643c74986c55e73cd1c07908f84"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DSORUA2XCOJDEKI6PHCKXF72IA/bundle.json","state_url":"https://pith.science/pith/DSORUA2XCOJDEKI6PHCKXF72IA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DSORUA2XCOJDEKI6PHCKXF72IA/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":"2026-05-27T15:06:51Z","links":{"resolver":"https://pith.science/pith/DSORUA2XCOJDEKI6PHCKXF72IA","bundle":"https://pith.science/pith/DSORUA2XCOJDEKI6PHCKXF72IA/bundle.json","state":"https://pith.science/pith/DSORUA2XCOJDEKI6PHCKXF72IA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DSORUA2XCOJDEKI6PHCKXF72IA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DSORUA2XCOJDEKI6PHCKXF72IA","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":"a6949240a4aff3651b5ae8fc7d4b0ab911b4ef6dda172ea2febd772b992cac74","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-01-08T11:14:17Z","title_canon_sha256":"66d9672cf36e186a07ddab31420af67dedf471b92d211e8d8ed561de0b74ee02"},"schema_version":"1.0","source":{"id":"1501.01798","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01798","created_at":"2026-05-18T01:41:13Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01798v1","created_at":"2026-05-18T01:41:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01798","created_at":"2026-05-18T01:41:13Z"},{"alias_kind":"pith_short_12","alias_value":"DSORUA2XCOJD","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DSORUA2XCOJDEKI6","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DSORUA2X","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:2a9c5e7dd88eef603c6de2f6d1bc7028b754e643c74986c55e73cd1c07908f84","target":"graph","created_at":"2026-05-18T01:41:13Z","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":"The non-solenoid start-up technique reported here relies on a double mode conversion for electron Bernstein wave (EBW) excitation. It consists of the mode conversion of the ordinary mode, entering the plasma from the low field side of the tokamak, into the extraordinary (X) mode at a mirror-polarizer located at the high field side. The X mode propagates back to the plasma, passes through electron cyclotron resonance and experiences a subsequent X to EBW mode conversion near the upper hybrid resonance. Finally the excited EBW mode is totally absorbed at the Doppler shifted electron cyclotron re","authors_text":"A.N. Saveliev, G. Taylor, H. Tanaka, J.B. Caughman, J. Mailloux, M. Peng, M.R. O Brien, S. Diem, T. Bigelow, V.F. Shevchenko, Y. Takase","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-01-08T11:14:17Z","title":"Long Pulse EBW Start-up Experiments in MAST"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01798","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:fb49a9c309a07149a5b2d5569ba8cff5e0a1d8cad54e3b32618f8113d013b7c8","target":"record","created_at":"2026-05-18T01:41:13Z","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":"a6949240a4aff3651b5ae8fc7d4b0ab911b4ef6dda172ea2febd772b992cac74","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.plasm-ph","submitted_at":"2015-01-08T11:14:17Z","title_canon_sha256":"66d9672cf36e186a07ddab31420af67dedf471b92d211e8d8ed561de0b74ee02"},"schema_version":"1.0","source":{"id":"1501.01798","kind":"arxiv","version":1}},"canonical_sha256":"1c9d1a0357139232291e79c4ab97fa401d412191da4b224c8cad1b84fa4eeaca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c9d1a0357139232291e79c4ab97fa401d412191da4b224c8cad1b84fa4eeaca","first_computed_at":"2026-05-18T01:41:13.810363Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:13.810363Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N0FTNvPdJdXqNVfiLKkU1ZEFCIFXJIjKvdLWcaQoLRZGzpPoDeMSQ8LKAgJ+ugLfpFepO/Dgv3pPCBWjQeLwBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:13.810992Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.01798","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fb49a9c309a07149a5b2d5569ba8cff5e0a1d8cad54e3b32618f8113d013b7c8","sha256:2a9c5e7dd88eef603c6de2f6d1bc7028b754e643c74986c55e73cd1c07908f84"],"state_sha256":"30f9fb447216af3d6dfe829ec1c032c603cc4169c26a71f15b299d83d96d1f41"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NyA76TONGjr8xIlEe1cr2lbhh36UlBCBE6T0e18U3mOCVJHqhTOrD6e5XiiuUbZpnzT5s7H+W4fAceMLUUHiCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T15:06:51.840612Z","bundle_sha256":"8769d6786ea6f0e32670194d85d611e2a8e87571296dffd84638da5a80b02116"}}