{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CTWHNPLY43YBF4DAEFOATARWJO","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":"5019289244292d6dd056b57f3a75b7e2bd354aa805ea019d96e9a448cdadbb77","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-02-08T18:00:07Z","title_canon_sha256":"0607dda77c454c1c40608fc70e059f4293cc1fef0541214191aae00f3fd095df"},"schema_version":"1.0","source":{"id":"1902.03209","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.03209","created_at":"2026-05-17T23:54:27Z"},{"alias_kind":"arxiv_version","alias_value":"1902.03209v1","created_at":"2026-05-17T23:54:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.03209","created_at":"2026-05-17T23:54:27Z"},{"alias_kind":"pith_short_12","alias_value":"CTWHNPLY43YB","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"CTWHNPLY43YBF4DA","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"CTWHNPLY","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:630b51ec07f14ee16f17f8d13f60edfc6aac688c7704b393fd822ddafa6334d3","target":"graph","created_at":"2026-05-17T23:54:27Z","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":"To achieve room-temperature superconductivity, a mechanism is needed that provides heavy quasiparticles at room temperature. In heavy fermion systems such localization is prototypically present only at liquid helium temperatures. In these $f$-electron Kondo systems, conduction electrons magnetically couple to localized moments, enhancing their mass and scatting time. These quasiparticles may form Cooper pairs and cause unconventional superconductivity with a critical temperature $T_c$ of the order of the Fermi energy $\\varepsilon_F$. In relative terms, this $T_c$ is much larger than in cuprate","authors_text":"J.L.M. van Mechelen, M.J. van Setten","cross_cats":["cond-mat.mtrl-sci","cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-02-08T18:00:07Z","title":"Tunable localization in an s-electron Kondo system at room temperature"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.03209","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":"sha256:01fb869b8bb52534357ac3d64ce959de6c9dfc0be492685cb4d0d1d5d963ce65","target":"record","created_at":"2026-05-17T23:54:27Z","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":"5019289244292d6dd056b57f3a75b7e2bd354aa805ea019d96e9a448cdadbb77","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2019-02-08T18:00:07Z","title_canon_sha256":"0607dda77c454c1c40608fc70e059f4293cc1fef0541214191aae00f3fd095df"},"schema_version":"1.0","source":{"id":"1902.03209","kind":"arxiv","version":1}},"canonical_sha256":"14ec76bd78e6f012f060215c0982364b8d64f0252ccaace73a4a03fd4418ccef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14ec76bd78e6f012f060215c0982364b8d64f0252ccaace73a4a03fd4418ccef","first_computed_at":"2026-05-17T23:54:27.631768Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:27.631768Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FQ/rYVNe4DZVaIGT6XPkTFmGpRxC1vbyraKSb/wLCty688EWEh5BExcEJe3DpGUChO7b9aPZXt+fJTBZTbDiBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:27.632452Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.03209","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01fb869b8bb52534357ac3d64ce959de6c9dfc0be492685cb4d0d1d5d963ce65","sha256:630b51ec07f14ee16f17f8d13f60edfc6aac688c7704b393fd822ddafa6334d3"],"state_sha256":"5a37db3dc1568c6580782c4766db74a26e320a66139d85a25278bcd91a25c1e4"}