{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:6GKTKEACHUEYIRUS5V5DE47YBO","short_pith_number":"pith:6GKTKEAC","schema_version":"1.0","canonical_sha256":"f1953510023d09844692ed7a3273f80b80a543e6ed8fc8ed656a9c1fded9d0c0","source":{"kind":"arxiv","id":"0807.2751","version":1},"attestation_state":"computed","paper":{"title":"Is charge noise in single electron transistors and charge qubits caused by metallic grains?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"H. Brenning, P. Delsing, S. Kafanov, T. Duty","submitted_at":"2008-07-17T10:35:14Z","abstract_excerpt":"We report on measurements of low frequency noise in a single electron transistor from a few Hz up to 10 MHz. Measurements were done for different bias and gate voltages, which allows us to separate noise contributions from different noise sources. We find a 1/f noise spectrum with two Lorentzians superimposed. The cut-off frequency of one of the Lorentzians varies systematically with the potential of the SET island. Our data is consistent with two single-charge fluctuators situated close to the tunnel barrier. We suggest that these are due to random charging of aluminum grains, each acting as "},"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":"0807.2751","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-07-17T10:35:14Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"003e2af1749cab8d321229c845028f64f686b4b242ad5b5cf6c1aac3ee6c5089","abstract_canon_sha256":"114c5cfc9de9740b723423d649a6c8542ec9481f7b3c7c3f821560efa185373c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:27:03.823746Z","signature_b64":"KqsrU3gWyVM0ajnkTCbkLm/urXkEUqZG/nXqa+cKMKHqN8qaf3OLHNcAlK5IieYtj5FR44ZNEpICrq8Knw1PBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1953510023d09844692ed7a3273f80b80a543e6ed8fc8ed656a9c1fded9d0c0","last_reissued_at":"2026-05-18T04:27:03.823081Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:27:03.823081Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Is charge noise in single electron transistors and charge qubits caused by metallic grains?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.mes-hall","authors_text":"H. Brenning, P. Delsing, S. Kafanov, T. Duty","submitted_at":"2008-07-17T10:35:14Z","abstract_excerpt":"We report on measurements of low frequency noise in a single electron transistor from a few Hz up to 10 MHz. Measurements were done for different bias and gate voltages, which allows us to separate noise contributions from different noise sources. We find a 1/f noise spectrum with two Lorentzians superimposed. The cut-off frequency of one of the Lorentzians varies systematically with the potential of the SET island. Our data is consistent with two single-charge fluctuators situated close to the tunnel barrier. We suggest that these are due to random charging of aluminum grains, each acting as "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0807.2751","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":"0807.2751","created_at":"2026-05-18T04:27:03.823189+00:00"},{"alias_kind":"arxiv_version","alias_value":"0807.2751v1","created_at":"2026-05-18T04:27:03.823189+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0807.2751","created_at":"2026-05-18T04:27:03.823189+00:00"},{"alias_kind":"pith_short_12","alias_value":"6GKTKEACHUEY","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_16","alias_value":"6GKTKEACHUEYIRUS","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_8","alias_value":"6GKTKEAC","created_at":"2026-05-18T12:25:56.245647+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/6GKTKEACHUEYIRUS5V5DE47YBO","json":"https://pith.science/pith/6GKTKEACHUEYIRUS5V5DE47YBO.json","graph_json":"https://pith.science/api/pith-number/6GKTKEACHUEYIRUS5V5DE47YBO/graph.json","events_json":"https://pith.science/api/pith-number/6GKTKEACHUEYIRUS5V5DE47YBO/events.json","paper":"https://pith.science/paper/6GKTKEAC"},"agent_actions":{"view_html":"https://pith.science/pith/6GKTKEACHUEYIRUS5V5DE47YBO","download_json":"https://pith.science/pith/6GKTKEACHUEYIRUS5V5DE47YBO.json","view_paper":"https://pith.science/paper/6GKTKEAC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0807.2751&json=true","fetch_graph":"https://pith.science/api/pith-number/6GKTKEACHUEYIRUS5V5DE47YBO/graph.json","fetch_events":"https://pith.science/api/pith-number/6GKTKEACHUEYIRUS5V5DE47YBO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6GKTKEACHUEYIRUS5V5DE47YBO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6GKTKEACHUEYIRUS5V5DE47YBO/action/storage_attestation","attest_author":"https://pith.science/pith/6GKTKEACHUEYIRUS5V5DE47YBO/action/author_attestation","sign_citation":"https://pith.science/pith/6GKTKEACHUEYIRUS5V5DE47YBO/action/citation_signature","submit_replication":"https://pith.science/pith/6GKTKEACHUEYIRUS5V5DE47YBO/action/replication_record"}},"created_at":"2026-05-18T04:27:03.823189+00:00","updated_at":"2026-05-18T04:27:03.823189+00:00"}