{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:Q7JRIGZTKJQYCCA7DAYJ2RLELP","short_pith_number":"pith:Q7JRIGZT","schema_version":"1.0","canonical_sha256":"87d3141b33526181081f18309d45645bf01bedbc92a5203ced603acf41947daf","source":{"kind":"arxiv","id":"1803.08948","version":1},"attestation_state":"computed","paper":{"title":"A Novel Approach to Resonant Absorption of the Fast MHD Eigenmodes of a Coronal Arcade","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Bradley W. Hindman, Rekha Jain","submitted_at":"2018-03-23T19:14:05Z","abstract_excerpt":"The arched field lines forming coronal arcades are often observed to undulate as magnetohydrodynamic (MHD) waves propagate both across and along the magnetic field. These waves are most likely a combination of resonantly coupled fast magnetoacoustic waves and Alfv\\'en waves. The coupling results in resonant absorption of the fast waves, converting fast wave energy into Alfv\\'en waves. The fast eigenmodes of the arcade have proven difficult to compute or derive analytically, largely because of the mathematical complexity that the coupling introduces. When a traditional spectral decomposition is"},"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":"1803.08948","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-03-23T19:14:05Z","cross_cats_sorted":[],"title_canon_sha256":"1c18f26e294c35aafa542a9b40c143517e933c0476002040bde10904ad7fa6db","abstract_canon_sha256":"1ccc39c96c1b981b27cb54190e72251c6d58f32887f8c73960aadd09853375bd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:03.724029Z","signature_b64":"tWgcF8OjDv1LJ8c906PjnNgKXxFl4Bw+RcmyeB2RGFel/PXoAuldceh4AU3MWVyf8HKrKuSeWK7EWjxinTCKCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87d3141b33526181081f18309d45645bf01bedbc92a5203ced603acf41947daf","last_reissued_at":"2026-05-18T00:17:03.723250Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:03.723250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Novel Approach to Resonant Absorption of the Fast MHD Eigenmodes of a Coronal Arcade","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Bradley W. Hindman, Rekha Jain","submitted_at":"2018-03-23T19:14:05Z","abstract_excerpt":"The arched field lines forming coronal arcades are often observed to undulate as magnetohydrodynamic (MHD) waves propagate both across and along the magnetic field. These waves are most likely a combination of resonantly coupled fast magnetoacoustic waves and Alfv\\'en waves. The coupling results in resonant absorption of the fast waves, converting fast wave energy into Alfv\\'en waves. The fast eigenmodes of the arcade have proven difficult to compute or derive analytically, largely because of the mathematical complexity that the coupling introduces. When a traditional spectral decomposition is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.08948","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1803.08948","created_at":"2026-05-18T00:17:03.723376+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.08948v1","created_at":"2026-05-18T00:17:03.723376+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.08948","created_at":"2026-05-18T00:17:03.723376+00:00"},{"alias_kind":"pith_short_12","alias_value":"Q7JRIGZTKJQY","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"Q7JRIGZTKJQYCCA7","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"Q7JRIGZT","created_at":"2026-05-18T12:32:46.962924+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/Q7JRIGZTKJQYCCA7DAYJ2RLELP","json":"https://pith.science/pith/Q7JRIGZTKJQYCCA7DAYJ2RLELP.json","graph_json":"https://pith.science/api/pith-number/Q7JRIGZTKJQYCCA7DAYJ2RLELP/graph.json","events_json":"https://pith.science/api/pith-number/Q7JRIGZTKJQYCCA7DAYJ2RLELP/events.json","paper":"https://pith.science/paper/Q7JRIGZT"},"agent_actions":{"view_html":"https://pith.science/pith/Q7JRIGZTKJQYCCA7DAYJ2RLELP","download_json":"https://pith.science/pith/Q7JRIGZTKJQYCCA7DAYJ2RLELP.json","view_paper":"https://pith.science/paper/Q7JRIGZT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.08948&json=true","fetch_graph":"https://pith.science/api/pith-number/Q7JRIGZTKJQYCCA7DAYJ2RLELP/graph.json","fetch_events":"https://pith.science/api/pith-number/Q7JRIGZTKJQYCCA7DAYJ2RLELP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Q7JRIGZTKJQYCCA7DAYJ2RLELP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Q7JRIGZTKJQYCCA7DAYJ2RLELP/action/storage_attestation","attest_author":"https://pith.science/pith/Q7JRIGZTKJQYCCA7DAYJ2RLELP/action/author_attestation","sign_citation":"https://pith.science/pith/Q7JRIGZTKJQYCCA7DAYJ2RLELP/action/citation_signature","submit_replication":"https://pith.science/pith/Q7JRIGZTKJQYCCA7DAYJ2RLELP/action/replication_record"}},"created_at":"2026-05-18T00:17:03.723376+00:00","updated_at":"2026-05-18T00:17:03.723376+00:00"}