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For the x = 0.15 and 0.20, although the visibility of gap-like structure at T ~ Tc is lower compared to the x = 0.18 sample, the broad bump of kai\"(w) appears at w ~ 5 meV,close to the spin-gap energy a"},"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":"cond-mat/0209225","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cond-mat.supr-con","submitted_at":"2002-09-10T02:53:15Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"fbfc6964d34c5ee23f8e54e1bc9de6ba6aec48a098cf7dc7e6b6588aa91b6674","abstract_canon_sha256":"d25c15387ff3e6e83c1f1853612031c26ded5d24b5c4e8d9aaa0bfc657a6ef7f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:32:54.890695Z","signature_b64":"/h59uJJo++SnOqYkFh/4MiDH3kIfZdTJ9GjPx4qonhfK0LNrRY09LiGhGc7fzD3RT94xugM6L/YpugyKFie/CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"43f2b247e5bf5c7cf2078d0f9655cbd35910a82c81da33929d1a433da67acdd9","last_reissued_at":"2026-07-04T16:32:54.890278Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:32:54.890278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spin Pseudo Gap in La2-xSrxCuO4 Studied by Neutron Scattering","license":"","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"C. 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