{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:5MNDT4IQG5OEBANKRORA7ZFOIP","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":"01a99fb3083a0733d9e827a531275c1aeb9fbc12a0f18eacb7aff6617171484f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-08-30T19:36:08Z","title_canon_sha256":"4ef2004985503d708af62d45f22aebef8cbc69829d1d44ef6c4ea71e93b8708c"},"schema_version":"1.0","source":{"id":"0908.4415","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0908.4415","created_at":"2026-05-18T02:12:12Z"},{"alias_kind":"arxiv_version","alias_value":"0908.4415v2","created_at":"2026-05-18T02:12:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0908.4415","created_at":"2026-05-18T02:12:12Z"},{"alias_kind":"pith_short_12","alias_value":"5MNDT4IQG5OE","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"5MNDT4IQG5OEBANK","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"5MNDT4IQ","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:86d6c5af42b2db09e500e14e9c26767ac7dc933da24c48b572f1a774928edabb","target":"graph","created_at":"2026-05-18T02:12:12Z","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":"CaFe2As2 single crystals under uniaxial pressure applied along the c axis exhibit the coexistence of several structural phases at low temperatures. We show that the room-temperature tetragonal phase is stabilized at low temperatures for pressures above 0.06 GPa, and its weight fraction attains a maximum in the region where superconductivity is observed under applied uniaxial pressure. Simultaneous resistivity measurements strongly suggest that this phase is responsible for the superconductivity in CaFe2As2 found below 10 K in samples subjected to nonhydrostatic pressure conditions.","authors_text":"A. I. Goldman, A. Kreyssig, B. Ouladdiaf, D. K. Pratt, D. N. Argyriou, K. Prokes, N. Ni, P. C. Canfield, R. J. McQueeney, S. L. Bud'ko","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-08-30T19:36:08Z","title":"Evidence from neutron diffraction for superconductivity in the stabilized tetragonal phase of CaFe2As2 under uniaxial pressure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0908.4415","kind":"arxiv","version":2},"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:abad6e525407650cbcc29e92c20253a1c967733d7a94bb9cda62772a8bc849f1","target":"record","created_at":"2026-05-18T02:12:12Z","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":"01a99fb3083a0733d9e827a531275c1aeb9fbc12a0f18eacb7aff6617171484f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-08-30T19:36:08Z","title_canon_sha256":"4ef2004985503d708af62d45f22aebef8cbc69829d1d44ef6c4ea71e93b8708c"},"schema_version":"1.0","source":{"id":"0908.4415","kind":"arxiv","version":2}},"canonical_sha256":"eb1a39f110375c4081aa8ba20fe4ae43c5f44c72e11ed7fd587ef01af6f7a245","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb1a39f110375c4081aa8ba20fe4ae43c5f44c72e11ed7fd587ef01af6f7a245","first_computed_at":"2026-05-18T02:12:12.900196Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:12.900196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8tiZUYIk2wbFla8sZW7M8+MlBr0KMdKgzgXpzej4EccVgpYex748j6RoVUCZnl1gf5Fp/lDB1LdK1CaOAht4DA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:12.901089Z","signed_message":"canonical_sha256_bytes"},"source_id":"0908.4415","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:abad6e525407650cbcc29e92c20253a1c967733d7a94bb9cda62772a8bc849f1","sha256:86d6c5af42b2db09e500e14e9c26767ac7dc933da24c48b572f1a774928edabb"],"state_sha256":"3d764c60c0171807a88bfcc6d347f59dec47e182c5b25896255d49dbb253f4bb"}