{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:RIOVT3TMRSK6ZBAJ3DVRMNVZC4","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":"e5a83b1aa45186bfbf646db25e3f42c396c870e36f35a54c4987d45995535453","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-08-16T11:05:47Z","title_canon_sha256":"1d195d57bba23ef1818663d435a0f4fb6526ca77252861d6df6b48342459936e"},"schema_version":"1.0","source":{"id":"0808.2247","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.2247","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"arxiv_version","alias_value":"0808.2247v1","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.2247","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"pith_short_12","alias_value":"RIOVT3TMRSK6","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"RIOVT3TMRSK6ZBAJ","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"RIOVT3TM","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:b364dd4295434c23c2a993db57d0c61e396c1882ab7e006f1fc0e5b17986f057","target":"graph","created_at":"2026-05-18T02:15:43Z","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":"We have systematically measured resistivity, susceptibility and specific heat under different magnetic fields (H) in Eu$_{1-x}$La$_x$Fe$_2$As$_2$ single crystals. It is found that a metamagnetic transition from A-type antiferromagnetism to ferromagnetism occurs at a critical field for magnetic sublattice of $Eu^{2+}$. The jump of specific heat is suppressed and shifts to low temperature with increasing H up to the critical value, then shifts to high temperature with further increasing H. Such behavior supports the metamagnetic transition. Detailed H-T phase diagrams for x=0 and 0.15 crystals a","authors_text":"G. Wu, H. Chen, R. H. Liu, T. Wu, X. F. Wang, X. H. Chen, Y. L. Xie","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-08-16T11:05:47Z","title":"Magnetic phase diagram in Eu$_{1-x}$La$_x$Fe$_2$As$_2$ single crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.2247","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:a6feb876cb9bc796e1b5e496fc16d52a5aeb712aacd5b2601ce369fa98d86bc0","target":"record","created_at":"2026-05-18T02:15:43Z","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":"e5a83b1aa45186bfbf646db25e3f42c396c870e36f35a54c4987d45995535453","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2008-08-16T11:05:47Z","title_canon_sha256":"1d195d57bba23ef1818663d435a0f4fb6526ca77252861d6df6b48342459936e"},"schema_version":"1.0","source":{"id":"0808.2247","kind":"arxiv","version":1}},"canonical_sha256":"8a1d59ee6c8c95ec8409d8eb1636b9172673538c7a7e44307d8fa74418a36f81","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8a1d59ee6c8c95ec8409d8eb1636b9172673538c7a7e44307d8fa74418a36f81","first_computed_at":"2026-05-18T02:15:43.230967Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:43.230967Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/g0+UIPqIQnoM/PYUBFob6XPVNaNy3J1alGjKvBeaotcU6QA4OdV+ikWEW0ItKht1NqxLZOku9EhqzNooQnyCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:43.231565Z","signed_message":"canonical_sha256_bytes"},"source_id":"0808.2247","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6feb876cb9bc796e1b5e496fc16d52a5aeb712aacd5b2601ce369fa98d86bc0","sha256:b364dd4295434c23c2a993db57d0c61e396c1882ab7e006f1fc0e5b17986f057"],"state_sha256":"605344dbfd0143c21de6b5fb6478ae6f8272c788f65a35ee09649751d1281adb"}