{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:2EQ7JRS6C5OQ4KJ3N5O77TVU7P","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":"099294daa2dc6f090f42eda256805d1db60e9dfea3669112d6d457aba3dca9f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-12-27T13:10:16Z","title_canon_sha256":"6af68adb9173fbdf71207eea464d1b9a91c222426d147cd65ca490c80c56acc8"},"schema_version":"1.0","source":{"id":"1312.7255","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1312.7255","created_at":"2026-05-18T01:45:35Z"},{"alias_kind":"arxiv_version","alias_value":"1312.7255v1","created_at":"2026-05-18T01:45:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.7255","created_at":"2026-05-18T01:45:35Z"},{"alias_kind":"pith_short_12","alias_value":"2EQ7JRS6C5OQ","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"2EQ7JRS6C5OQ4KJ3","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"2EQ7JRS6","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:da7543e3f7bccf69b59f01e2a8fe179b64c161cc9cb86ac25914d52f1efc6cb0","target":"graph","created_at":"2026-05-18T01:45:35Z","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":"Several superconducting transition temperatures in the range of 30-40 K were reported in the recently discovered intercalated FeSe sytem (A1-xFe2-ySe2, A = K, Rb, Cs, Tl). Although the superconducting phases were not yet conclusively decided, more than one magnetic phase with particular orders of iron vacancy and/or potassium vacancy were identified, and some were argued to be the parent phase. Here we show the discovery of the presence and ordering of iron vacancy in nonintercalated FeSe (PbO-type tetragonal {\\beta}-Fe1-xSe). Three types of iron-vacancy order were found through analytical ele","authors_text":"Ai-Hua Fang, Chih-Han Wang, Chuan-Ming Tseng, Chung-Chieh Chang, Dirk Van Dyck, Fu-Rong Chen, Hsian-Hong Chang, Hsin-Yu Tang, Maw-kuen Wu, Ming-Jye Wang, Min-Hsueh Wen, Ta-Kun Chen, Wei-Hsiang Chao, Yung-Chi Lee, Yu-Ruei Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-12-27T13:10:16Z","title":"Fe-vacancy order and superconductivity in PbO-type tetragonal {\\beta}-Fe1-xSe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.7255","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":"sha256:5b2a5a199a410bbdb13387f36713a6d3cef89a6a747cd3ac1eff7bb802b7db6e","target":"record","created_at":"2026-05-18T01:45:35Z","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":"099294daa2dc6f090f42eda256805d1db60e9dfea3669112d6d457aba3dca9f1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-12-27T13:10:16Z","title_canon_sha256":"6af68adb9173fbdf71207eea464d1b9a91c222426d147cd65ca490c80c56acc8"},"schema_version":"1.0","source":{"id":"1312.7255","kind":"arxiv","version":1}},"canonical_sha256":"d121f4c65e175d0e293b6f5dffceb4fbd951f58c202f556b0be783c64b5a3c25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d121f4c65e175d0e293b6f5dffceb4fbd951f58c202f556b0be783c64b5a3c25","first_computed_at":"2026-05-18T01:45:35.642234Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:35.642234Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ceGpfYADVEh8VWwHvfXfooccb1ZiED2ifJB3iC5CYovX2wOs4yks2UvXparcGAbN7Tk4KFP4zuAebiBD/TrUCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:35.642638Z","signed_message":"canonical_sha256_bytes"},"source_id":"1312.7255","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5b2a5a199a410bbdb13387f36713a6d3cef89a6a747cd3ac1eff7bb802b7db6e","sha256:da7543e3f7bccf69b59f01e2a8fe179b64c161cc9cb86ac25914d52f1efc6cb0"],"state_sha256":"118e2a4da2c4638caaf30abfff9225ea5d76160fc32637db0c6252ec9520bd94"}