{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3BEQTTJSYJ2PTQWAVTWB4AV5SN","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":"a9b971ee0f6287deb844a33662c9a8cadd523438a3cfa415d0af4db878e7dc2b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-11-29T09:42:40Z","title_canon_sha256":"601b0b7b0a6526bc17a463b6d91ce926d39fe8fb144f3306c779b565a68eb78d"},"schema_version":"1.0","source":{"id":"2411.19575","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.19575","created_at":"2026-07-05T09:42:04Z"},{"alias_kind":"arxiv_version","alias_value":"2411.19575v1","created_at":"2026-07-05T09:42:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.19575","created_at":"2026-07-05T09:42:04Z"},{"alias_kind":"pith_short_12","alias_value":"3BEQTTJSYJ2P","created_at":"2026-07-05T09:42:04Z"},{"alias_kind":"pith_short_16","alias_value":"3BEQTTJSYJ2PTQWA","created_at":"2026-07-05T09:42:04Z"},{"alias_kind":"pith_short_8","alias_value":"3BEQTTJS","created_at":"2026-07-05T09:42:04Z"}],"graph_snapshots":[{"event_id":"sha256:ee947db4a882f57c33f255942d117654bf7bb3af84ae11171cea8eba428c4b24","target":"graph","created_at":"2026-07-05T09:42:04Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2411.19575/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Semiconductor nanowires can be utilized to create quantum dot qubits. The formation of quantum dots is typically achieved by means of bottom gates created by a lift-off process. As an alternative, we fabricated flat buried bottom gate structures by filling etched trenches in a Si substrate with sputtered TiN, followed by mechanical polishing. This method achieved gate line pitches as small as 60 nm. The gate fingers have low gate leakage. As a proof of principle, we fabricated quantum dot devices using InAs nanowires placed on the gate fingers. These devices exhibit single electron tunneling a","authors_text":"Alexander Pawlis, Anton Faustmann, Benjamin Bennemann, Detlev Gr\\\"utzmacher, Joachim Knoch, Mihail Ion Lepsa, Patrick Liebisch, Pujitha Perla, Thomas Sch\\\"apers","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-11-29T09:42:40Z","title":"Fabrication and characterization of InAs nanowire-based quantum dot structures utilizing buried bottom gates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.19575","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:fd4551d8546b3b77e7f5d37b246802671276c629f0a3398da88056d5b4545aeb","target":"record","created_at":"2026-07-05T09:42:04Z","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":"a9b971ee0f6287deb844a33662c9a8cadd523438a3cfa415d0af4db878e7dc2b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2024-11-29T09:42:40Z","title_canon_sha256":"601b0b7b0a6526bc17a463b6d91ce926d39fe8fb144f3306c779b565a68eb78d"},"schema_version":"1.0","source":{"id":"2411.19575","kind":"arxiv","version":1}},"canonical_sha256":"d84909cd32c274f9c2c0acec1e02bd935056189686d972f0fd34ade3c3bf513f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d84909cd32c274f9c2c0acec1e02bd935056189686d972f0fd34ade3c3bf513f","first_computed_at":"2026-07-05T09:42:04.660223Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:42:04.660223Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7Bl6apTdP0QwDBkbDIMnf3hLk2RFf1F04RvZzmChva+mfzb7/QnF8A/zehzMolz9vCURVYkvJ6JyiLWKvxKTAw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:42:04.660801Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.19575","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd4551d8546b3b77e7f5d37b246802671276c629f0a3398da88056d5b4545aeb","sha256:ee947db4a882f57c33f255942d117654bf7bb3af84ae11171cea8eba428c4b24"],"state_sha256":"53a2f8223aad85cb7531d0bd2704ffdff39e2c8c5d1a013d84f49f9fa140ad16"}