{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:E6QH2OXDMIUTBFRBLV7HDKPPUY","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":"b16da969a1301ef052d9e4fee5469ecabe6176abdd2c99e7b4d89fc26963171a","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-31T02:40:38Z","title_canon_sha256":"3818f5e0a04bf028b1a3e4ee70182e09d5a4775e1f5ae3d3e21e78ad7ab21fa4"},"schema_version":"1.0","source":{"id":"1507.08732","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.08732","created_at":"2026-05-18T01:17:18Z"},{"alias_kind":"arxiv_version","alias_value":"1507.08732v2","created_at":"2026-05-18T01:17:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.08732","created_at":"2026-05-18T01:17:18Z"},{"alias_kind":"pith_short_12","alias_value":"E6QH2OXDMIUT","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"E6QH2OXDMIUTBFRB","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"E6QH2OXD","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:490b75c961147bd1f53f4861d26435074bfc638c2d65f57a820636318922c6b0","target":"graph","created_at":"2026-05-18T01:17:18Z","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":"Unconventional superconductivity from heavy fermion (HF) is always observed in f-electron systems, in which Kondo physics between localized f-electrons and itinerant electrons plays an essential role. Whether HF superconductivity could be achieved in other systems without f electrons, especially for d-electron systems, is still elusive. Here, we experimentally study the origin of d-electron HF behavior in iron-based superconductors (FeSCs) AFe2As2 (A = K, Rb, Cs). Nuclear magnetic resonance on 75As reveals a universal coherent-incoherent crossover with a characteristic temperature T*. Below T*","authors_text":"A. F. Wang, D. Zhao, N. Z. Wang, T. Wu, X. G. Luo, X. H. Chen, Y. P. Wu, Z. J. Xiang","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-31T02:40:38Z","title":"Emergent Kondo scaling in iron-based superconductors AFe2As2 (A = K, Rb, Cs)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.08732","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":"sha256:162da687c3d80017f890ca979a39831fdd978d710f9eaa129e6dbc01a17a1c8f","target":"record","created_at":"2026-05-18T01:17:18Z","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":"b16da969a1301ef052d9e4fee5469ecabe6176abdd2c99e7b4d89fc26963171a","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2015-07-31T02:40:38Z","title_canon_sha256":"3818f5e0a04bf028b1a3e4ee70182e09d5a4775e1f5ae3d3e21e78ad7ab21fa4"},"schema_version":"1.0","source":{"id":"1507.08732","kind":"arxiv","version":2}},"canonical_sha256":"27a07d3ae362293096215d7e71a9efa60d4ddc3d6dc4530b4daa591c8790aec3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27a07d3ae362293096215d7e71a9efa60d4ddc3d6dc4530b4daa591c8790aec3","first_computed_at":"2026-05-18T01:17:18.967529Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:18.967529Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RMp6L9wki36BsRVZ01TkCc+puXFb+pFcYrIyVpgdR2/3+MTOkhK83m5vuhy308p2vnNGEuOEeP6a9Ljs4eBfCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:18.968020Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.08732","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:162da687c3d80017f890ca979a39831fdd978d710f9eaa129e6dbc01a17a1c8f","sha256:490b75c961147bd1f53f4861d26435074bfc638c2d65f57a820636318922c6b0"],"state_sha256":"5df9eaf570cf5a2b355c839322dfaad4fa9bafbd4876e7655e31cf97775daa3f"}