{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ZTVUJYVO7CEZNMZKTRASBSKX2T","short_pith_number":"pith:ZTVUJYVO","canonical_record":{"source":{"id":"1912.02777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-12-05T18:14:25Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"d3484e92ef80d3b1cd8c3d09900159f2596affa57347cafb0ee274366ffa2428","abstract_canon_sha256":"dabd49e11fa98f900d4d2a0675d5621116dac5c0a68588ff30050da66ef8716d"},"schema_version":"1.0"},"canonical_sha256":"cceb44e2aef88996b32a9c4120c957d4e58d5467f6c4583c943a5f4f3fac54f8","source":{"kind":"arxiv","id":"1912.02777","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.02777","created_at":"2026-07-05T01:02:06Z"},{"alias_kind":"arxiv_version","alias_value":"1912.02777v1","created_at":"2026-07-05T01:02:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.02777","created_at":"2026-07-05T01:02:06Z"},{"alias_kind":"pith_short_12","alias_value":"ZTVUJYVO7CEZ","created_at":"2026-07-05T01:02:06Z"},{"alias_kind":"pith_short_16","alias_value":"ZTVUJYVO7CEZNMZK","created_at":"2026-07-05T01:02:06Z"},{"alias_kind":"pith_short_8","alias_value":"ZTVUJYVO","created_at":"2026-07-05T01:02:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ZTVUJYVO7CEZNMZKTRASBSKX2T","target":"record","payload":{"canonical_record":{"source":{"id":"1912.02777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-12-05T18:14:25Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"d3484e92ef80d3b1cd8c3d09900159f2596affa57347cafb0ee274366ffa2428","abstract_canon_sha256":"dabd49e11fa98f900d4d2a0675d5621116dac5c0a68588ff30050da66ef8716d"},"schema_version":"1.0"},"canonical_sha256":"cceb44e2aef88996b32a9c4120c957d4e58d5467f6c4583c943a5f4f3fac54f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:02:06.890598Z","signature_b64":"yf9wM79EdmXHJczy42KXSKbOp2U23byr0QR0JpqEDLKcQv5W3Ik1updEbiTjhpFL0eYY4W0EysQY/y+3/4p5DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cceb44e2aef88996b32a9c4120c957d4e58d5467f6c4583c943a5f4f3fac54f8","last_reissued_at":"2026-07-05T01:02:06.890120Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:02:06.890120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.02777","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:02:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SpoFCRJwBoA9Ydoz0zQiiZBUvNaqonyiPm/viHGUuXNDBk4+scBRVx/P2SlRE778rDSzQ1bOvw9Y9qtCDog8CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:33:36.774210Z"},"content_sha256":"a78306ac5763fd11d806de95bb667c3fa8c192868518e492e620bc20843ffdf7","schema_version":"1.0","event_id":"sha256:a78306ac5763fd11d806de95bb667c3fa8c192868518e492e620bc20843ffdf7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ZTVUJYVO7CEZNMZKTRASBSKX2T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Automated tuning of double quantum dots into specific charge states using neural networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Andreas J. Landig, Benedikt Kratochwil, Christian Reichl, Eliska Greplova, Jonne V. Koski, Renato Durrer, Thomas Ihn, Werner Wegscheider","submitted_at":"2019-12-05T18:14:25Z","abstract_excerpt":"While quantum dots are at the forefront of quantum device technology, tuning multi-dot systems requires a lengthy experimental process as multiple parameters need to be accurately controlled. This process becomes increasingly time-consuming and difficult to perform manually as the devices become more complex and the number of tuning parameters grows. In this work, we present a crucial step towards automated tuning of quantum dot qubits. We introduce an algorithm driven by machine learning that uses a small number of coarse-grained measurements as its input and tunes the quantum dot system into"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.02777","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1912.02777/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:02:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"44EArDPZilRFoYkqoY8OGyTAJuYQlCinH5oVKYvNIODtFB1iRx1lkGqIomfVc1rfg6WjhOLgbAPseStCo6HEBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T18:33:36.774697Z"},"content_sha256":"02525d46591e5f38b42796c9b54400f4ad5d0b410e0818c637c4eb447f79df31","schema_version":"1.0","event_id":"sha256:02525d46591e5f38b42796c9b54400f4ad5d0b410e0818c637c4eb447f79df31"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZTVUJYVO7CEZNMZKTRASBSKX2T/bundle.json","state_url":"https://pith.science/pith/ZTVUJYVO7CEZNMZKTRASBSKX2T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZTVUJYVO7CEZNMZKTRASBSKX2T/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-03T18:33:36Z","links":{"resolver":"https://pith.science/pith/ZTVUJYVO7CEZNMZKTRASBSKX2T","bundle":"https://pith.science/pith/ZTVUJYVO7CEZNMZKTRASBSKX2T/bundle.json","state":"https://pith.science/pith/ZTVUJYVO7CEZNMZKTRASBSKX2T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZTVUJYVO7CEZNMZKTRASBSKX2T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ZTVUJYVO7CEZNMZKTRASBSKX2T","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":"dabd49e11fa98f900d4d2a0675d5621116dac5c0a68588ff30050da66ef8716d","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-12-05T18:14:25Z","title_canon_sha256":"d3484e92ef80d3b1cd8c3d09900159f2596affa57347cafb0ee274366ffa2428"},"schema_version":"1.0","source":{"id":"1912.02777","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.02777","created_at":"2026-07-05T01:02:06Z"},{"alias_kind":"arxiv_version","alias_value":"1912.02777v1","created_at":"2026-07-05T01:02:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.02777","created_at":"2026-07-05T01:02:06Z"},{"alias_kind":"pith_short_12","alias_value":"ZTVUJYVO7CEZ","created_at":"2026-07-05T01:02:06Z"},{"alias_kind":"pith_short_16","alias_value":"ZTVUJYVO7CEZNMZK","created_at":"2026-07-05T01:02:06Z"},{"alias_kind":"pith_short_8","alias_value":"ZTVUJYVO","created_at":"2026-07-05T01:02:06Z"}],"graph_snapshots":[{"event_id":"sha256:02525d46591e5f38b42796c9b54400f4ad5d0b410e0818c637c4eb447f79df31","target":"graph","created_at":"2026-07-05T01:02:06Z","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/1912.02777/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"While quantum dots are at the forefront of quantum device technology, tuning multi-dot systems requires a lengthy experimental process as multiple parameters need to be accurately controlled. This process becomes increasingly time-consuming and difficult to perform manually as the devices become more complex and the number of tuning parameters grows. In this work, we present a crucial step towards automated tuning of quantum dot qubits. We introduce an algorithm driven by machine learning that uses a small number of coarse-grained measurements as its input and tunes the quantum dot system into","authors_text":"Andreas J. Landig, Benedikt Kratochwil, Christian Reichl, Eliska Greplova, Jonne V. Koski, Renato Durrer, Thomas Ihn, Werner Wegscheider","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-12-05T18:14:25Z","title":"Automated tuning of double quantum dots into specific charge states using neural networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.02777","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:a78306ac5763fd11d806de95bb667c3fa8c192868518e492e620bc20843ffdf7","target":"record","created_at":"2026-07-05T01:02:06Z","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":"dabd49e11fa98f900d4d2a0675d5621116dac5c0a68588ff30050da66ef8716d","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-12-05T18:14:25Z","title_canon_sha256":"d3484e92ef80d3b1cd8c3d09900159f2596affa57347cafb0ee274366ffa2428"},"schema_version":"1.0","source":{"id":"1912.02777","kind":"arxiv","version":1}},"canonical_sha256":"cceb44e2aef88996b32a9c4120c957d4e58d5467f6c4583c943a5f4f3fac54f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cceb44e2aef88996b32a9c4120c957d4e58d5467f6c4583c943a5f4f3fac54f8","first_computed_at":"2026-07-05T01:02:06.890120Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:02:06.890120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yf9wM79EdmXHJczy42KXSKbOp2U23byr0QR0JpqEDLKcQv5W3Ik1updEbiTjhpFL0eYY4W0EysQY/y+3/4p5DA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:02:06.890598Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.02777","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a78306ac5763fd11d806de95bb667c3fa8c192868518e492e620bc20843ffdf7","sha256:02525d46591e5f38b42796c9b54400f4ad5d0b410e0818c637c4eb447f79df31"],"state_sha256":"136f8f81f835f5202feac431c5cae9d240b15044eef3c2903f3850840e739cc3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ssb5OATkZmh6rwhlBhPVDO589N4dzzkL77NuIboZkhxTRbwhg+GKpAgNfzsQbEsE96U3ML1uCewGE8A2aqQEDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T18:33:36.778292Z","bundle_sha256":"4ae14d0097e37d6ee555cc0de548df12074569157dfa0ce567bc965f51a3758c"}}