{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:XSQOE3GT3D5PGL7YH6FPKDMOB6","short_pith_number":"pith:XSQOE3GT","schema_version":"1.0","canonical_sha256":"bca0e26cd3d8faf32ff83f8af50d8e0f8d83690146e3c46347004fd05080eba6","source":{"kind":"arxiv","id":"1811.04650","version":1},"attestation_state":"computed","paper":{"title":"On Midrange Periodicities in Solar Radio Flux and Sunspot Areas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Feng Wang, Hui Deng, Ying Mei","submitted_at":"2018-11-12T10:47:50Z","abstract_excerpt":"Using the Hilbert-Huang transform technique, we investigate the midrange periodicities in solar radio flux at 2800 MHz (F10.7) and sunspot areas (SAs) from February 1, 1947 to September 30, 2016. The following prominent results are found: (1) The quasi-periodic oscillations of both data sets are not identical, such as the rotational cycle, the midrange periodicities, and the Schwabe cycle. In particular, the midrange periodicities ranging from 37.9 days to 297.3 days are related to the magnetic Rossby-type waves; 2) The 1.3-year and 1.7-year fluctuations in solar activity indicators are surfac"},"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":"1811.04650","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-12T10:47:50Z","cross_cats_sorted":[],"title_canon_sha256":"c5110f7d63d06e3c599eba26bbf6ab144fc21cc14669bb53cd88cf644ca5025b","abstract_canon_sha256":"9db177bdaf0c2820425bcbbb2bd58d2a3a086dc6cdbd099c4cfc15866abaf435"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:17.578503Z","signature_b64":"Qcy3jqL6zwMZRVFEl6DxlJfM4FUtE810Eizz+2YNU9qVP4WDGC8kMQXkcBU27p2zlI1BKiASD1ycgtEbvRe8Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bca0e26cd3d8faf32ff83f8af50d8e0f8d83690146e3c46347004fd05080eba6","last_reissued_at":"2026-05-18T00:00:17.577869Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:17.577869Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On Midrange Periodicities in Solar Radio Flux and Sunspot Areas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Feng Wang, Hui Deng, Ying Mei","submitted_at":"2018-11-12T10:47:50Z","abstract_excerpt":"Using the Hilbert-Huang transform technique, we investigate the midrange periodicities in solar radio flux at 2800 MHz (F10.7) and sunspot areas (SAs) from February 1, 1947 to September 30, 2016. The following prominent results are found: (1) The quasi-periodic oscillations of both data sets are not identical, such as the rotational cycle, the midrange periodicities, and the Schwabe cycle. In particular, the midrange periodicities ranging from 37.9 days to 297.3 days are related to the magnetic Rossby-type waves; 2) The 1.3-year and 1.7-year fluctuations in solar activity indicators are surfac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.04650","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":"1811.04650","created_at":"2026-05-18T00:00:17.577981+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.04650v1","created_at":"2026-05-18T00:00:17.577981+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.04650","created_at":"2026-05-18T00:00:17.577981+00:00"},{"alias_kind":"pith_short_12","alias_value":"XSQOE3GT3D5P","created_at":"2026-05-18T12:33:01.666342+00:00"},{"alias_kind":"pith_short_16","alias_value":"XSQOE3GT3D5PGL7Y","created_at":"2026-05-18T12:33:01.666342+00:00"},{"alias_kind":"pith_short_8","alias_value":"XSQOE3GT","created_at":"2026-05-18T12:33:01.666342+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/XSQOE3GT3D5PGL7YH6FPKDMOB6","json":"https://pith.science/pith/XSQOE3GT3D5PGL7YH6FPKDMOB6.json","graph_json":"https://pith.science/api/pith-number/XSQOE3GT3D5PGL7YH6FPKDMOB6/graph.json","events_json":"https://pith.science/api/pith-number/XSQOE3GT3D5PGL7YH6FPKDMOB6/events.json","paper":"https://pith.science/paper/XSQOE3GT"},"agent_actions":{"view_html":"https://pith.science/pith/XSQOE3GT3D5PGL7YH6FPKDMOB6","download_json":"https://pith.science/pith/XSQOE3GT3D5PGL7YH6FPKDMOB6.json","view_paper":"https://pith.science/paper/XSQOE3GT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.04650&json=true","fetch_graph":"https://pith.science/api/pith-number/XSQOE3GT3D5PGL7YH6FPKDMOB6/graph.json","fetch_events":"https://pith.science/api/pith-number/XSQOE3GT3D5PGL7YH6FPKDMOB6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XSQOE3GT3D5PGL7YH6FPKDMOB6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XSQOE3GT3D5PGL7YH6FPKDMOB6/action/storage_attestation","attest_author":"https://pith.science/pith/XSQOE3GT3D5PGL7YH6FPKDMOB6/action/author_attestation","sign_citation":"https://pith.science/pith/XSQOE3GT3D5PGL7YH6FPKDMOB6/action/citation_signature","submit_replication":"https://pith.science/pith/XSQOE3GT3D5PGL7YH6FPKDMOB6/action/replication_record"}},"created_at":"2026-05-18T00:00:17.577981+00:00","updated_at":"2026-05-18T00:00:17.577981+00:00"}