{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:W4IQHWWFN45J4TU7EGVC4L5ZZO","short_pith_number":"pith:W4IQHWWF","schema_version":"1.0","canonical_sha256":"b71103dac56f3a9e4e9f21aa2e2fb9cb8c6538762f974f7fd8fabbcab65f12b0","source":{"kind":"arxiv","id":"2102.04870","version":2},"attestation_state":"computed","paper":{"title":"Note on possibility of proximity induced spontaneous currents in superconductor/normal metal heterostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Anatoly F. Volkov, Ilya M. Eremin","submitted_at":"2021-02-09T15:10:45Z","abstract_excerpt":"We analyse the possibility of the appearance of spontaneous currents in proximated superconducting/normal metal (S/N) heterostructure when Cooper pairs penetrate into the normal metal from the superconductor. In particular, we calculate the free energy of the S/N structure. We show that whereas the free energy of the N film $F_{N}$ in the presence of the proximity effect increases compared to the normal state, the total free energy, which includes the boundary term $F_{B}$, decreases. The condensate current decreases $F_{N}$, but increases the total free energy making the current-carrying stat"},"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":"2102.04870","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2021-02-09T15:10:45Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"e7964348dd15dfeeca168d80329cf2f2debd02d69a9d91c65d21b35346a9587d","abstract_canon_sha256":"c2b09e83bb259c9c332111a436b04ed31fed8ef643d0387ab7b99066bca92ae8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:18:59.840191Z","signature_b64":"YZH45GNxTsDm2oXVq+QSAOBP3taqEj91JSL8TkTekkhDiwk0GOskMn7Vs7OnN3NesIATk73+MUHnu5sImEG3Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b71103dac56f3a9e4e9f21aa2e2fb9cb8c6538762f974f7fd8fabbcab65f12b0","last_reissued_at":"2026-07-05T02:18:59.839817Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:18:59.839817Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Note on possibility of proximity induced spontaneous currents in superconductor/normal metal heterostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Anatoly F. Volkov, Ilya M. Eremin","submitted_at":"2021-02-09T15:10:45Z","abstract_excerpt":"We analyse the possibility of the appearance of spontaneous currents in proximated superconducting/normal metal (S/N) heterostructure when Cooper pairs penetrate into the normal metal from the superconductor. In particular, we calculate the free energy of the S/N structure. We show that whereas the free energy of the N film $F_{N}$ in the presence of the proximity effect increases compared to the normal state, the total free energy, which includes the boundary term $F_{B}$, decreases. The condensate current decreases $F_{N}$, but increases the total free energy making the current-carrying stat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.04870","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2102.04870/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2102.04870","created_at":"2026-07-05T02:18:59.839876+00:00"},{"alias_kind":"arxiv_version","alias_value":"2102.04870v2","created_at":"2026-07-05T02:18:59.839876+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.04870","created_at":"2026-07-05T02:18:59.839876+00:00"},{"alias_kind":"pith_short_12","alias_value":"W4IQHWWFN45J","created_at":"2026-07-05T02:18:59.839876+00:00"},{"alias_kind":"pith_short_16","alias_value":"W4IQHWWFN45J4TU7","created_at":"2026-07-05T02:18:59.839876+00:00"},{"alias_kind":"pith_short_8","alias_value":"W4IQHWWF","created_at":"2026-07-05T02:18:59.839876+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/W4IQHWWFN45J4TU7EGVC4L5ZZO","json":"https://pith.science/pith/W4IQHWWFN45J4TU7EGVC4L5ZZO.json","graph_json":"https://pith.science/api/pith-number/W4IQHWWFN45J4TU7EGVC4L5ZZO/graph.json","events_json":"https://pith.science/api/pith-number/W4IQHWWFN45J4TU7EGVC4L5ZZO/events.json","paper":"https://pith.science/paper/W4IQHWWF"},"agent_actions":{"view_html":"https://pith.science/pith/W4IQHWWFN45J4TU7EGVC4L5ZZO","download_json":"https://pith.science/pith/W4IQHWWFN45J4TU7EGVC4L5ZZO.json","view_paper":"https://pith.science/paper/W4IQHWWF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2102.04870&json=true","fetch_graph":"https://pith.science/api/pith-number/W4IQHWWFN45J4TU7EGVC4L5ZZO/graph.json","fetch_events":"https://pith.science/api/pith-number/W4IQHWWFN45J4TU7EGVC4L5ZZO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/W4IQHWWFN45J4TU7EGVC4L5ZZO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/W4IQHWWFN45J4TU7EGVC4L5ZZO/action/storage_attestation","attest_author":"https://pith.science/pith/W4IQHWWFN45J4TU7EGVC4L5ZZO/action/author_attestation","sign_citation":"https://pith.science/pith/W4IQHWWFN45J4TU7EGVC4L5ZZO/action/citation_signature","submit_replication":"https://pith.science/pith/W4IQHWWFN45J4TU7EGVC4L5ZZO/action/replication_record"}},"created_at":"2026-07-05T02:18:59.839876+00:00","updated_at":"2026-07-05T02:18:59.839876+00:00"}