{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:CKTPK567ANLGDIKKZ23RNGFKEV","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":"a1e02ded73fe4b532e2edb9c015baf554e1e5262c6bf7c8e5fa249f81502797b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-06-08T16:37:01Z","title_canon_sha256":"ffcc862dde58cb41a90d76100512793e8f0ee2ee1c5cf72950ae1903bc2e9f48"},"schema_version":"1.0","source":{"id":"0906.1534","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.1534","created_at":"2026-05-18T02:13:21Z"},{"alias_kind":"arxiv_version","alias_value":"0906.1534v3","created_at":"2026-05-18T02:13:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.1534","created_at":"2026-05-18T02:13:21Z"},{"alias_kind":"pith_short_12","alias_value":"CKTPK567ANLG","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"CKTPK567ANLGDIKK","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"CKTPK567","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:3d49dcadbb522be5247ebf3120a4a4f2b9ee1209658bf541c9b4951029b56e42","target":"graph","created_at":"2026-05-18T02:13:21Z","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 pressure dependence of superconducting transition temperature $T_{\\rm c}$ has been investigated through the DC magnetic measurements for FeSe$_{0.8}$ and FeSe$_{1.0}$. For both samples, with increasing pressure $P$, the $T_{\\rm c}$$-$$P$ curve exhibits a two-step increase, showing a local maximum of $\\sim$11 K at $P$$\\sim$1.0 GPa and a rapid increase with an extremely large pressure coefficient for $P$$>$1.5 GPa. $T_{\\rm c}$ saturates at $\\sim$25 K (21 K) in FeSe$_{1.0}$ (FeSe$_{0.8}$) for $P$$>$3 GPa. A rapid decrease in superconducting volume fraction is observed with an increase in $T_{","authors_text":"E. Mutou, J. Takeuchi, K. Fujiwara, K. Miyoshi, Y. Takaichi","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-06-08T16:37:01Z","title":"Anomalous Pressure Dependence of the Superconducting Transition Temperature in FeSe1-x Studied by DC Magnetic Measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.1534","kind":"arxiv","version":3},"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:f5ec51dc23970e85806104ea7e06a808f05e546433f4e50e6e860ec713130d54","target":"record","created_at":"2026-05-18T02:13:21Z","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":"a1e02ded73fe4b532e2edb9c015baf554e1e5262c6bf7c8e5fa249f81502797b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-06-08T16:37:01Z","title_canon_sha256":"ffcc862dde58cb41a90d76100512793e8f0ee2ee1c5cf72950ae1903bc2e9f48"},"schema_version":"1.0","source":{"id":"0906.1534","kind":"arxiv","version":3}},"canonical_sha256":"12a6f577df035661a14aceb71698aa256e123b8d85449a0bc7e8265b215aed72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"12a6f577df035661a14aceb71698aa256e123b8d85449a0bc7e8265b215aed72","first_computed_at":"2026-05-18T02:13:21.537083Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:21.537083Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D+BmyGT6fdGNnOBCD4vOxOjTSvOg6PrgyrCw9C13z3Dd+zBFnDJOVMSyHrlBMX3MAp6hJtQn/1K2G+hWEoYmBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:21.537679Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.1534","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5ec51dc23970e85806104ea7e06a808f05e546433f4e50e6e860ec713130d54","sha256:3d49dcadbb522be5247ebf3120a4a4f2b9ee1209658bf541c9b4951029b56e42"],"state_sha256":"ba11940fbd8c40cc602055b9f1eeeb5078525d86b703be0789fef2a5ade14f85"}