{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1993:YTDX3H2AOEGRP5MMIVHHKXLPUK","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"08a1980ac389b2578199f0789913f597d7486b0dfbe3cad395cf8cd767256b1c","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1993-08-18T19:19:33Z","title_canon_sha256":"be4bca623b20ae201ed525057c043382ca71ffa570ddebe375b34c3514a549c2"},"schema_version":"1.0","source":{"id":"cond-mat/9308026","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9308026","created_at":"2026-05-18T01:07:22Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9308026v1","created_at":"2026-05-18T01:07:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9308026","created_at":"2026-05-18T01:07:22Z"},{"alias_kind":"pith_short_12","alias_value":"YTDX3H2AOEGR","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"YTDX3H2AOEGRP5MM","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"YTDX3H2A","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:811bf279b96e06cb1d957010b92ddf5f069cf0f5ed64ea8881c0c1fdcf717eb6","target":"graph","created_at":"2026-05-18T01:07:22Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The one-dimensional XXZ model is studied in the presence of disorder in the Heisenberg Exchange Integral. Recent predictions obtained from renormalization group calculations are investigated numerically using a Lanczos algorithm on chains of up to 18 sites. It is found that in the presence of strong X-Y-symmetric random exchange couplings, a ``random singlet'' phase with quasi-long-range order in the spin-spin correlations persists. As the planar anisotropy is varied, the full zero-temperature phase diagram is obtained and compared with predictions of Doty and Fisher [Phys. Rev. B {\\bf 45 }, 2","authors_text":"Elbio Dagotto, Jose Riera, Stephan Haas","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat","submitted_at":"1993-08-18T19:19:33Z","title":"Random Exchange Disorder in the Spin-1/2 XXZ Chain"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9308026","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:72eba54c658642e3b878c892e3c1b3c847338be95323a779a49f672f97a9b3ce","target":"record","created_at":"2026-05-18T01:07:22Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"08a1980ac389b2578199f0789913f597d7486b0dfbe3cad395cf8cd767256b1c","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat","submitted_at":"1993-08-18T19:19:33Z","title_canon_sha256":"be4bca623b20ae201ed525057c043382ca71ffa570ddebe375b34c3514a549c2"},"schema_version":"1.0","source":{"id":"cond-mat/9308026","kind":"arxiv","version":1}},"canonical_sha256":"c4c77d9f40710d17f58c454e755d6fa2b36c627f0b4689fcd71736bba113d7c0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4c77d9f40710d17f58c454e755d6fa2b36c627f0b4689fcd71736bba113d7c0","first_computed_at":"2026-05-18T01:07:22.332021Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:22.332021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VtVS9X96VhNGM4hpXQuRmQIs8QasxPwSdQR7mlUd9uSWzAfW85XoPAoN29y5D3lTmj1m6/+6ETPr2tP8s2duCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:22.332646Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9308026","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:72eba54c658642e3b878c892e3c1b3c847338be95323a779a49f672f97a9b3ce","sha256:811bf279b96e06cb1d957010b92ddf5f069cf0f5ed64ea8881c0c1fdcf717eb6"],"state_sha256":"4b3294337f7f357326091a602ab744266b3fdb3f649bd85bab05cd8fbad69c18"}