{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:4AOARSPBWHHOYMGQHGAZW6QEEP","short_pith_number":"pith:4AOARSPB","schema_version":"1.0","canonical_sha256":"e01c08c9e1b1ceec30d039819b7a0423c16893d02fd8159353d23ea9a2c29930","source":{"kind":"arxiv","id":"1207.4403","version":1},"attestation_state":"computed","paper":{"title":"Realization of GHz-frequency impedance matching circuits for nano-scale devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Wallraff, G. Puebla-Hellmann","submitted_at":"2012-07-18T15:53:38Z","abstract_excerpt":"Integrating nano-scale objects, such as single molecules or carbon nanotubes, into impedance transformers and performing radio-frequency measurements allows for high time-resolution transport measurements with improved signal-to-noise ratios. The realization of such transformers implemented with superconducting transmission lines for the 2-10 GHz frequency range is presented here. Controlled electromigration of an integrated gold break junction is used to characterize a 6 GHz impedance matching device. The real part of the RF impedance of the break junction extracted from microwave reflectomet"},"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":"1207.4403","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-07-18T15:53:38Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"d81415a117d962029f51fc94c372bf14f6c58e032c5a0b11d0d7f0c02063a355","abstract_canon_sha256":"f26b1f1a4717c3dab325938c2bace13272253a7fea281ee122aafad1db78d691"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:18.215322Z","signature_b64":"AMnjS7Skt2eeDqW60gwgzReQnKl0YyljBzwoR/LSdzWdGD1OCiY7xgrvWpXs9VxIDlu6+Aw2WzmIibv7d+TODA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e01c08c9e1b1ceec30d039819b7a0423c16893d02fd8159353d23ea9a2c29930","last_reissued_at":"2026-05-18T03:46:18.214737Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:18.214737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Realization of GHz-frequency impedance matching circuits for nano-scale devices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Wallraff, G. Puebla-Hellmann","submitted_at":"2012-07-18T15:53:38Z","abstract_excerpt":"Integrating nano-scale objects, such as single molecules or carbon nanotubes, into impedance transformers and performing radio-frequency measurements allows for high time-resolution transport measurements with improved signal-to-noise ratios. The realization of such transformers implemented with superconducting transmission lines for the 2-10 GHz frequency range is presented here. Controlled electromigration of an integrated gold break junction is used to characterize a 6 GHz impedance matching device. The real part of the RF impedance of the break junction extracted from microwave reflectomet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.4403","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":"1207.4403","created_at":"2026-05-18T03:46:18.214842+00:00"},{"alias_kind":"arxiv_version","alias_value":"1207.4403v1","created_at":"2026-05-18T03:46:18.214842+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.4403","created_at":"2026-05-18T03:46:18.214842+00:00"},{"alias_kind":"pith_short_12","alias_value":"4AOARSPBWHHO","created_at":"2026-05-18T12:26:53.410803+00:00"},{"alias_kind":"pith_short_16","alias_value":"4AOARSPBWHHOYMGQ","created_at":"2026-05-18T12:26:53.410803+00:00"},{"alias_kind":"pith_short_8","alias_value":"4AOARSPB","created_at":"2026-05-18T12:26:53.410803+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/4AOARSPBWHHOYMGQHGAZW6QEEP","json":"https://pith.science/pith/4AOARSPBWHHOYMGQHGAZW6QEEP.json","graph_json":"https://pith.science/api/pith-number/4AOARSPBWHHOYMGQHGAZW6QEEP/graph.json","events_json":"https://pith.science/api/pith-number/4AOARSPBWHHOYMGQHGAZW6QEEP/events.json","paper":"https://pith.science/paper/4AOARSPB"},"agent_actions":{"view_html":"https://pith.science/pith/4AOARSPBWHHOYMGQHGAZW6QEEP","download_json":"https://pith.science/pith/4AOARSPBWHHOYMGQHGAZW6QEEP.json","view_paper":"https://pith.science/paper/4AOARSPB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1207.4403&json=true","fetch_graph":"https://pith.science/api/pith-number/4AOARSPBWHHOYMGQHGAZW6QEEP/graph.json","fetch_events":"https://pith.science/api/pith-number/4AOARSPBWHHOYMGQHGAZW6QEEP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4AOARSPBWHHOYMGQHGAZW6QEEP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4AOARSPBWHHOYMGQHGAZW6QEEP/action/storage_attestation","attest_author":"https://pith.science/pith/4AOARSPBWHHOYMGQHGAZW6QEEP/action/author_attestation","sign_citation":"https://pith.science/pith/4AOARSPBWHHOYMGQHGAZW6QEEP/action/citation_signature","submit_replication":"https://pith.science/pith/4AOARSPBWHHOYMGQHGAZW6QEEP/action/replication_record"}},"created_at":"2026-05-18T03:46:18.214842+00:00","updated_at":"2026-05-18T03:46:18.214842+00:00"}