{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:JW2DCDOEOIQ2GSLRQITZ3EQZGQ","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":"2d44a97de073f406f7d347c75e8f282d91423da449a86e705235d05023b2646f","cross_cats_sorted":["astro-ph.SR","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-04-13T19:40:20Z","title_canon_sha256":"1520d2551cb79aff1e8989ceb6016ff5c4cacaa7c5aa6a072c820f0e579e66d8"},"schema_version":"1.0","source":{"id":"1104.2586","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.2586","created_at":"2026-05-18T04:12:00Z"},{"alias_kind":"arxiv_version","alias_value":"1104.2586v1","created_at":"2026-05-18T04:12:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.2586","created_at":"2026-05-18T04:12:00Z"},{"alias_kind":"pith_short_12","alias_value":"JW2DCDOEOIQ2","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JW2DCDOEOIQ2GSLR","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JW2DCDOE","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:3f32d54a2a76b0855134c283844655a69df1cfb031d22cfd728d6b77ba0f1022","target":"graph","created_at":"2026-05-18T04:12:00Z","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":"A simple mechanism for the generation of electromagnetic Zebra pattern emission is proposed. The mechanism is based on the generation of an ion-ring distribution in a magnetic mirror geometry in the presence of a properly directed field-aligned electric potential field. The ion-cyclotron maser then generates a number of electromagnetic ion-cyclotron harmonics which modulate the electron maser emission. The mechanism is capable of switching the emission on and off or amplifying it quasi-periodically which is a main feature of the observations.","authors_text":"R. A. Treumann, R. Nakamura, W. Baumjohann","cross_cats":["astro-ph.SR","physics.geo-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-04-13T19:40:20Z","title":"A model of so-called `Zebra' emissions in type IV radio bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.2586","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":"sha256:1ad5bc755d76f0ab2a9348420ee48bff9d0f99ecb2a441ad875160fd3249e703","target":"record","created_at":"2026-05-18T04:12:00Z","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":"2d44a97de073f406f7d347c75e8f282d91423da449a86e705235d05023b2646f","cross_cats_sorted":["astro-ph.SR","physics.geo-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2011-04-13T19:40:20Z","title_canon_sha256":"1520d2551cb79aff1e8989ceb6016ff5c4cacaa7c5aa6a072c820f0e579e66d8"},"schema_version":"1.0","source":{"id":"1104.2586","kind":"arxiv","version":1}},"canonical_sha256":"4db4310dc47221a3497182279d9219340ac3bca3ffede732ef540a66da3131f3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4db4310dc47221a3497182279d9219340ac3bca3ffede732ef540a66da3131f3","first_computed_at":"2026-05-18T04:12:00.572026Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:12:00.572026Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DhWmZ/54D2Qxg4RBn4diA3VycaGowk/jJw8cicfY4/Bcyoc2eqeco4X7EHVrhy6CH6oc3XCzSAJpS9A+s48PCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:12:00.572531Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.2586","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ad5bc755d76f0ab2a9348420ee48bff9d0f99ecb2a441ad875160fd3249e703","sha256:3f32d54a2a76b0855134c283844655a69df1cfb031d22cfd728d6b77ba0f1022"],"state_sha256":"300b20434a92439e6de25a6d9ae4778e1c7b428e1d9fe4af05bc0a0aa723f30c"}