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The spin imbalance lifetime is relatively constant in the accessible ranges of temperatures, wit"},"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":"1408.1832","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-08-08T12:13:53Z","cross_cats_sorted":[],"title_canon_sha256":"f513dfadbc564206f3276364b31c64f5ab12a201bd62e50521f2a54c6b7a1c48","abstract_canon_sha256":"9b0618fa6e539311c29c92eebd6342e8fab514199e69b7f6e9cc1606d4e8baf2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:50.123517Z","signature_b64":"wD5xREzTCsnXbdP7rRKeS1gMwrC8/DC1vB7r//aahTSDCVhXmTCYxwx+nB1yoAjWM/6bUiZruBsvftNr6iItBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"720306d5fc95c912bfb110e6ec4e871d0b902e68a7777df5e9e16191c8039590","last_reissued_at":"2026-05-18T01:12:50.123091Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:50.123091Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Frequency-Domain Measurement of the Spin Imbalance Lifetime in Superconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"C. 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