{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:YERBWZ53EOM7VODHQGXOXRCLLJ","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":"e98c6c2b5cd14349b9ce087d2378f2f72150bf7e74325ace2112536f8b6693e2","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-16T07:46:43Z","title_canon_sha256":"1459d18cd34539ca7d8852e94d32f442fea65840b4c4e4babd3e35b105ab6027"},"schema_version":"1.0","source":{"id":"1008.2586","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2586","created_at":"2026-05-18T04:37:10Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2586v3","created_at":"2026-05-18T04:37:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2586","created_at":"2026-05-18T04:37:10Z"},{"alias_kind":"pith_short_12","alias_value":"YERBWZ53EOM7","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"YERBWZ53EOM7VODH","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"YERBWZ53","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:80479504b628f9382dff8540dcda2af710a955b79be831350787f98c5c2730ba","target":"graph","created_at":"2026-05-18T04:37:10Z","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 successfully synthesized (Ca4Al2O6-y)(Fe2Pn2) (Pn = As and P) (Al-42622(Pn)) using high-pressure synthesis technique. Al-42622(Pn) exhibit superconductivity for both Pn = As and P with the transition temperatures of 28.3 K and 17.1 K, respectively. The a-lattice parameters of Al-42622(Pn) (a = 3.713 {\\AA} and 3.692 {\\AA} for Pn = As and P, respectively) are smallest among the iron-pnictide superconductors. Correspondingly, Al-42622(As) has the smallest As-Fe-As bond angle (102.1 {\\deg}) and the largest As distance from the Fe planes (1.500 {\\AA}).","authors_text":"Akira Iyo, Chul-Ho Lee, Hijiri Kito, Hiroshi Eisaki, Kunihiro Kihou, Parasharam M. Shirage","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-16T07:46:43Z","title":"Superconductivity at 28.3 and 17.1 K in (Ca4Al2O6-y)(Fe2Pn2) (Pn = As and P)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2586","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:dbfb5e09c855f2f12790fe2699e5adb9b7b39d2a2f36eb80ba0ce806b64acaa9","target":"record","created_at":"2026-05-18T04:37:10Z","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":"e98c6c2b5cd14349b9ce087d2378f2f72150bf7e74325ace2112536f8b6693e2","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2010-08-16T07:46:43Z","title_canon_sha256":"1459d18cd34539ca7d8852e94d32f442fea65840b4c4e4babd3e35b105ab6027"},"schema_version":"1.0","source":{"id":"1008.2586","kind":"arxiv","version":3}},"canonical_sha256":"c1221b67bb2399fab86781aeebc44b5a7fe05bb8c3fc50861c5266aff6805360","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1221b67bb2399fab86781aeebc44b5a7fe05bb8c3fc50861c5266aff6805360","first_computed_at":"2026-05-18T04:37:10.072540Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:37:10.072540Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DLr8AGqGXIIQes4q5sgOiSOtI0W56uR3oBRzSM6koU6LtIxaF2o4o+G9NS41L+tITzEe1a6B6tIvej04zkN+Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:37:10.073008Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.2586","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbfb5e09c855f2f12790fe2699e5adb9b7b39d2a2f36eb80ba0ce806b64acaa9","sha256:80479504b628f9382dff8540dcda2af710a955b79be831350787f98c5c2730ba"],"state_sha256":"3743b51cbb867ad4ed5e9222fe8354c4643acc5cf4fea7be708d4b8eac0ad766"}