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To account for the observed spin decrease during the X- ray flare all that is needed is the transient opening, for just one period, of a relatively small fraction of the magnetosphere, of the order of only few percent. More generally, we argue that in magnetars all timing irregularities have magnetospheric origin and are induced either by (i) th"},"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":"1306.2264","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-06-10T18:12:04Z","cross_cats_sorted":[],"title_canon_sha256":"db5bbc2e8ed194bc71720d8f71b52fa8da8394acbde970946b05388650c7bec7","abstract_canon_sha256":"9aed9cee785ee29fd66ff48362fc49271653c680afe0813f7793e58358efef37"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:21:21.968921Z","signature_b64":"FySLLeAnIZp8acWMAlRF6wE2tTP+R9/+JZMlpisQGYhpYpkrDTVGPJNLRMUHmo035c9sjfyexpKzfvtnrWDPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d42ea5f42277f568310fd22727d769dc90948236a591c261b0e7c390b1212f2c","last_reissued_at":"2026-05-18T03:21:21.968487Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:21:21.968487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetospheric \"anti-glitches\" in magnetars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"CITA), Maxim Lyutikov (Purdue University","submitted_at":"2013-06-10T18:12:04Z","abstract_excerpt":"We attribute the rapid spindown of magnetar 1E 2259+586 observed by Archibald et al. 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