{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:VGPH6UHGSXCUNBQCPCEVE2WX7Z","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":"d9fdcd71fa6fffdb3dcc6fbd62802e631f2e65fbb0d7d8afe92e9d7e19ef7f9b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-06-12T09:26:08Z","title_canon_sha256":"8d61f1a1c05d11847d27c42138bce351947474fc2bd499230328418baa26cf95"},"schema_version":"1.0","source":{"id":"0906.2269","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.2269","created_at":"2026-05-18T02:13:20Z"},{"alias_kind":"arxiv_version","alias_value":"0906.2269v4","created_at":"2026-05-18T02:13:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.2269","created_at":"2026-05-18T02:13:20Z"},{"alias_kind":"pith_short_12","alias_value":"VGPH6UHGSXCU","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"VGPH6UHGSXCUNBQC","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"VGPH6UHG","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:f87e4acd3053b8e983629a3fe37fe61f34c4b0efdf7b778e6fab4a787f9d8f49","target":"graph","created_at":"2026-05-18T02:13:20Z","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":"Based on the five-orbital model, we study the effect of local impurity in iron pnictides, and find that the interband impurity scattering is promoted by the d-orbital degree of freedom. This fact means that the fully-gapped sign-reversing s-wave state, which is predicted by spin fluctuation theories, is very fragile against impurities. In the BCS theory, only 1% impurities with intermediate strength induce huge pair-breaking, resulting in the large in-gap state and prominent reduction in Tc, contrary to the prediction based on simple orbital-less models. The present study provides a stringent ","authors_text":"Hiroshi Kontani, Seiichiro Onari","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-06-12T09:26:08Z","title":"Violation of Anderson's Theorem for Sign-Reversing s-Wave State of Iron-Pnictide Superconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.2269","kind":"arxiv","version":4},"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":"sha256:412cc98744e19b57b65b65ec9532d855ba0d8af6147e4a6a6e3f8277fed018d7","target":"record","created_at":"2026-05-18T02:13:20Z","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":"d9fdcd71fa6fffdb3dcc6fbd62802e631f2e65fbb0d7d8afe92e9d7e19ef7f9b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-06-12T09:26:08Z","title_canon_sha256":"8d61f1a1c05d11847d27c42138bce351947474fc2bd499230328418baa26cf95"},"schema_version":"1.0","source":{"id":"0906.2269","kind":"arxiv","version":4}},"canonical_sha256":"a99e7f50e695c54686027889526ad7fe67574b38e9923c63b8fed68ddd5b5a2f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a99e7f50e695c54686027889526ad7fe67574b38e9923c63b8fed68ddd5b5a2f","first_computed_at":"2026-05-18T02:13:20.569055Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:13:20.569055Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NLbE0FFTQmWTOWDfvLkl4HU0FcuPEsWOjYpf+4juXM9+1p3E9Y66TyrzRM3Y5HvnamMAUkLSLhtNgWjig5mSDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:13:20.569709Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.2269","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:412cc98744e19b57b65b65ec9532d855ba0d8af6147e4a6a6e3f8277fed018d7","sha256:f87e4acd3053b8e983629a3fe37fe61f34c4b0efdf7b778e6fab4a787f9d8f49"],"state_sha256":"d4e190256f556e9f8be8e6d3760eafb6694d316e16516d72ec17389bab110ff2"}