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Using {\\it Swift} XRT data, we observed an X-ray outburst consisting of an increase in the persistent 1--10 keV flux by a factor of 6.3$\\pm$0.2, beginning on 2011 December 31 (MJD 55926). Following a delay of $\\sim100$ days, the magnetar entered a period of large torque variability, with $\\dot{\\nu}$ reaching a factor of $4.55\\pm0.05$ times the nominal value, before decaying in an oscillatory manner over a time scale of months. We show by comparing to previous outburs"},"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":"1412.2780","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-12-08T21:26:14Z","cross_cats_sorted":[],"title_canon_sha256":"a7b1c0c613df10553354a7d090b743b8997c0819f00f12cdbe09b18425349da7","abstract_canon_sha256":"da2216470b35f0ace161b478db4f5e155092389289fd383c89f1b66757b72b2d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:20.658235Z","signature_b64":"yDpkQ0WL5pdxXVo0VGACiKuwA2WYpkSTdp9j+dNigynQFP3SumCApOZl14d9J9C5J/a1zh/3D4ozHv1v8oaZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3708703f9addaa4cafdbde2c8c85e54090323503349acbd6c9a1d1f6f4f01c4","last_reissued_at":"2026-05-18T01:41:20.657606Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:20.657606Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Repeated, Delayed Torque Variations Following X-ray Flux Enhancements in the Magnetar 1E$\\;$1048.1$-$5937","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. 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