{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:KRN3GCLWD5F3T3HQUAKGQ56DIG","short_pith_number":"pith:KRN3GCLW","schema_version":"1.0","canonical_sha256":"545bb309761f4bb9ecf0a0146877c3418fc12dd12efe5fb2d698fc0323a0ad42","source":{"kind":"arxiv","id":"1509.04407","version":1},"attestation_state":"computed","paper":{"title":"Gradual Magnetic Evolution of Sunspot Structure and Filament-Corona Dynamics Associated with the X1.8 Flare in AR 11283","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Guiping Ruan, Haimin Wang, Yao Chen","submitted_at":"2015-09-15T05:53:46Z","abstract_excerpt":"In this paper, we present a study on persistent and gradual penumbral decay and correlated decline of the photospheric transverse field component during 10-20 hours before a major flare (X1.8) eruption on 2011 September 7. This long-term pre-eruption behavior is corroborated with the well-imaged pre-flare filament rising, the consistent expansion of coronal arcades overlying the filament, as well as the NLFFF modelling results in the literature. We suggest that both the long-term pre-flare penumbral decay and the transverse field decline are the photospheric manifestation of the gradual rise o"},"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":"1509.04407","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-09-15T05:53:46Z","cross_cats_sorted":[],"title_canon_sha256":"198b49de4ed0efc132ef082c1784150dfbf9b52d213b53ef033ca83c39f2d172","abstract_canon_sha256":"5042e4dabeb14aa1e35325558364ad59c9701d03e34e7c8ed528803cac9db93b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:29:44.685727Z","signature_b64":"/HZ8bxIomFIpcAjwkcGfaFL/6cNHeYsc/PjcFjfCIwoFLBQL4KyrVq70hSUt93hasdYJvrkFmR5oOhofHWB1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"545bb309761f4bb9ecf0a0146877c3418fc12dd12efe5fb2d698fc0323a0ad42","last_reissued_at":"2026-05-18T01:29:44.685252Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:29:44.685252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gradual Magnetic Evolution of Sunspot Structure and Filament-Corona Dynamics Associated with the X1.8 Flare in AR 11283","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Guiping Ruan, Haimin Wang, Yao Chen","submitted_at":"2015-09-15T05:53:46Z","abstract_excerpt":"In this paper, we present a study on persistent and gradual penumbral decay and correlated decline of the photospheric transverse field component during 10-20 hours before a major flare (X1.8) eruption on 2011 September 7. This long-term pre-eruption behavior is corroborated with the well-imaged pre-flare filament rising, the consistent expansion of coronal arcades overlying the filament, as well as the NLFFF modelling results in the literature. We suggest that both the long-term pre-flare penumbral decay and the transverse field decline are the photospheric manifestation of the gradual rise o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.04407","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":"1509.04407","created_at":"2026-05-18T01:29:44.685327+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.04407v1","created_at":"2026-05-18T01:29:44.685327+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.04407","created_at":"2026-05-18T01:29:44.685327+00:00"},{"alias_kind":"pith_short_12","alias_value":"KRN3GCLWD5F3","created_at":"2026-05-18T12:29:29.992203+00:00"},{"alias_kind":"pith_short_16","alias_value":"KRN3GCLWD5F3T3HQ","created_at":"2026-05-18T12:29:29.992203+00:00"},{"alias_kind":"pith_short_8","alias_value":"KRN3GCLW","created_at":"2026-05-18T12:29:29.992203+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/KRN3GCLWD5F3T3HQUAKGQ56DIG","json":"https://pith.science/pith/KRN3GCLWD5F3T3HQUAKGQ56DIG.json","graph_json":"https://pith.science/api/pith-number/KRN3GCLWD5F3T3HQUAKGQ56DIG/graph.json","events_json":"https://pith.science/api/pith-number/KRN3GCLWD5F3T3HQUAKGQ56DIG/events.json","paper":"https://pith.science/paper/KRN3GCLW"},"agent_actions":{"view_html":"https://pith.science/pith/KRN3GCLWD5F3T3HQUAKGQ56DIG","download_json":"https://pith.science/pith/KRN3GCLWD5F3T3HQUAKGQ56DIG.json","view_paper":"https://pith.science/paper/KRN3GCLW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.04407&json=true","fetch_graph":"https://pith.science/api/pith-number/KRN3GCLWD5F3T3HQUAKGQ56DIG/graph.json","fetch_events":"https://pith.science/api/pith-number/KRN3GCLWD5F3T3HQUAKGQ56DIG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KRN3GCLWD5F3T3HQUAKGQ56DIG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KRN3GCLWD5F3T3HQUAKGQ56DIG/action/storage_attestation","attest_author":"https://pith.science/pith/KRN3GCLWD5F3T3HQUAKGQ56DIG/action/author_attestation","sign_citation":"https://pith.science/pith/KRN3GCLWD5F3T3HQUAKGQ56DIG/action/citation_signature","submit_replication":"https://pith.science/pith/KRN3GCLWD5F3T3HQUAKGQ56DIG/action/replication_record"}},"created_at":"2026-05-18T01:29:44.685327+00:00","updated_at":"2026-05-18T01:29:44.685327+00:00"}