{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:WZB6REZYO5CRW4I3NX4A6CI5OA","short_pith_number":"pith:WZB6REZY","schema_version":"1.0","canonical_sha256":"b643e8933877451b711b6df80f091d702fd31a5797758df78ea08baf14d7cf3d","source":{"kind":"arxiv","id":"1601.06329","version":1},"attestation_state":"computed","paper":{"title":"Plutonium-Based Heavy-Fermion Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"E. D. Bauer, J. D. Thompson","submitted_at":"2016-01-24T00:27:41Z","abstract_excerpt":"An effective mass of charge carriers that is significantly larger that the mass of a free electron develops at low temperatures in certain lanthanide- and actinide-based metals, including those formed with plutonium, due to strong electron-electron interactions. This heavy-fermion mass is reflected in a substantially enhanced electronic coefficient of specific heat $\\gamma$, which for elemental Pu itself is much larger than that of normal metals. By our definition, there are twelve Pu-based heavy-fermion compounds, most discovered recently, whose basic properties are known and discussed. Relat"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1601.06329","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-01-24T00:27:41Z","cross_cats_sorted":[],"title_canon_sha256":"990281f5f4b68ab7ca629b0007ea4cb9b53b50978d31b2871951a3c426239b92","abstract_canon_sha256":"3bdd2c33f751512009b3c51e54f90f7012dc38a4c1634b80c53c2f14336e197a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:04.745938Z","signature_b64":"/7Gh0BAYLjTryR326RAtA5M8hTGlczuH/pRA5UWsDXe5PyLODJepgXuKwuhtCv46kLbjpXsbZJ041rCmW5cLBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b643e8933877451b711b6df80f091d702fd31a5797758df78ea08baf14d7cf3d","last_reissued_at":"2026-05-18T01:22:04.745189Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:04.745189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Plutonium-Based Heavy-Fermion Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"E. D. Bauer, J. D. Thompson","submitted_at":"2016-01-24T00:27:41Z","abstract_excerpt":"An effective mass of charge carriers that is significantly larger that the mass of a free electron develops at low temperatures in certain lanthanide- and actinide-based metals, including those formed with plutonium, due to strong electron-electron interactions. This heavy-fermion mass is reflected in a substantially enhanced electronic coefficient of specific heat $\\gamma$, which for elemental Pu itself is much larger than that of normal metals. By our definition, there are twelve Pu-based heavy-fermion compounds, most discovered recently, whose basic properties are known and discussed. Relat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.06329","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1601.06329","created_at":"2026-05-18T01:22:04.745304+00:00"},{"alias_kind":"arxiv_version","alias_value":"1601.06329v1","created_at":"2026-05-18T01:22:04.745304+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.06329","created_at":"2026-05-18T01:22:04.745304+00:00"},{"alias_kind":"pith_short_12","alias_value":"WZB6REZYO5CR","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"WZB6REZYO5CRW4I3","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"WZB6REZY","created_at":"2026-05-18T12:30:51.357362+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WZB6REZYO5CRW4I3NX4A6CI5OA","json":"https://pith.science/pith/WZB6REZYO5CRW4I3NX4A6CI5OA.json","graph_json":"https://pith.science/api/pith-number/WZB6REZYO5CRW4I3NX4A6CI5OA/graph.json","events_json":"https://pith.science/api/pith-number/WZB6REZYO5CRW4I3NX4A6CI5OA/events.json","paper":"https://pith.science/paper/WZB6REZY"},"agent_actions":{"view_html":"https://pith.science/pith/WZB6REZYO5CRW4I3NX4A6CI5OA","download_json":"https://pith.science/pith/WZB6REZYO5CRW4I3NX4A6CI5OA.json","view_paper":"https://pith.science/paper/WZB6REZY","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1601.06329&json=true","fetch_graph":"https://pith.science/api/pith-number/WZB6REZYO5CRW4I3NX4A6CI5OA/graph.json","fetch_events":"https://pith.science/api/pith-number/WZB6REZYO5CRW4I3NX4A6CI5OA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WZB6REZYO5CRW4I3NX4A6CI5OA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WZB6REZYO5CRW4I3NX4A6CI5OA/action/storage_attestation","attest_author":"https://pith.science/pith/WZB6REZYO5CRW4I3NX4A6CI5OA/action/author_attestation","sign_citation":"https://pith.science/pith/WZB6REZYO5CRW4I3NX4A6CI5OA/action/citation_signature","submit_replication":"https://pith.science/pith/WZB6REZYO5CRW4I3NX4A6CI5OA/action/replication_record"}},"created_at":"2026-05-18T01:22:04.745304+00:00","updated_at":"2026-05-18T01:22:04.745304+00:00"}