{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:5Q4IWU3LK7IOXTCUNNSY6BQWAB","short_pith_number":"pith:5Q4IWU3L","canonical_record":{"source":{"id":"2310.05902","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-10-09T17:43:16Z","cross_cats_sorted":[],"title_canon_sha256":"ad55ce7c87147ce6f548f8378235aeb8a87384146c614b285003ce1bab374e97","abstract_canon_sha256":"ffc1c36dfae8b8a2ba978aea3227d90d440c8016c52844f23d79d9c060188382"},"schema_version":"1.0"},"canonical_sha256":"ec388b536b57d0ebcc546b658f0616007f1341c8ffc8bb69097f3cd2440f8391","source":{"kind":"arxiv","id":"2310.05902","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.05902","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"arxiv_version","alias_value":"2310.05902v1","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.05902","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_12","alias_value":"5Q4IWU3LK7IO","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_16","alias_value":"5Q4IWU3LK7IOXTCU","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_8","alias_value":"5Q4IWU3L","created_at":"2026-07-05T10:12:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:5Q4IWU3LK7IOXTCUNNSY6BQWAB","target":"record","payload":{"canonical_record":{"source":{"id":"2310.05902","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-10-09T17:43:16Z","cross_cats_sorted":[],"title_canon_sha256":"ad55ce7c87147ce6f548f8378235aeb8a87384146c614b285003ce1bab374e97","abstract_canon_sha256":"ffc1c36dfae8b8a2ba978aea3227d90d440c8016c52844f23d79d9c060188382"},"schema_version":"1.0"},"canonical_sha256":"ec388b536b57d0ebcc546b658f0616007f1341c8ffc8bb69097f3cd2440f8391","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:12:13.264643Z","signature_b64":"UPKV35MMJuMJInIerAfN+7cKXMJRWQgpB6betkzPLcW2aF+zlI9uSId6kSDR70o181zbEGQI299iB8ivU5/SCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec388b536b57d0ebcc546b658f0616007f1341c8ffc8bb69097f3cd2440f8391","last_reissued_at":"2026-07-05T10:12:13.264145Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:12:13.264145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.05902","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":"2026-07-05T10:12:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pjQb64fGUWJi347drXUg7iKhu427c97e5WLWmal6ax8ciie/DcSr82XdSeZllOj3o//4X6Rx/GN36EbIm9W1Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T06:57:02.748411Z"},"content_sha256":"b5b25ddcc133665011503ebf323f95aa554f7aa38fbd85b84332eab922eaf835","schema_version":"1.0","event_id":"sha256:b5b25ddcc133665011503ebf323f95aa554f7aa38fbd85b84332eab922eaf835"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:5Q4IWU3LK7IOXTCUNNSY6BQWAB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impact of interface traps on charge noise, mobility and percolation density in Ge/SiGe heterostructures","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Fuhrer, B. Het\\'enyi, F.J. Schupp, G. Salis, L. Massai, L. Sommer, M. Mergenthaler, N.W. Hendrickx, P. Harvey-Collard, S. Paredes, S.W. Bedell","submitted_at":"2023-10-09T17:43:16Z","abstract_excerpt":"Hole spins in Ge/SiGe heterostructure quantum dots have emerged as promising qubits for quantum computation. The strong spin-orbit coupling (SOC), characteristic of heavy-hole states in Ge, enables fast and all-electrical qubit control. However, SOC also increases the susceptibility of spin qubits to charge noise. While qubit coherence can be significantly improved by operating at sweet spots with reduced hyperfine or charge noise sensitivity, the latter ultimately limits coherence, underlining the importance of understanding and reducing charge noise at its source. In this work, we study the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.05902","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/2310.05902/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":"2026-07-05T10:12:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EWwQqDQcl3cy4Ym0nHUOjMWEF8Af5HYAwyUV0Bzo+ujsnMnvD1699xExTlx6BXSj1PFw8iR1JhCfqFrsLM6aDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T06:57:02.748996Z"},"content_sha256":"0710444cbdab0dfaf3a23e120ed440eed036215463c75dcd30074ec915e65b55","schema_version":"1.0","event_id":"sha256:0710444cbdab0dfaf3a23e120ed440eed036215463c75dcd30074ec915e65b55"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5Q4IWU3LK7IOXTCUNNSY6BQWAB/bundle.json","state_url":"https://pith.science/pith/5Q4IWU3LK7IOXTCUNNSY6BQWAB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5Q4IWU3LK7IOXTCUNNSY6BQWAB/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":"2026-08-09T06:57:02Z","links":{"resolver":"https://pith.science/pith/5Q4IWU3LK7IOXTCUNNSY6BQWAB","bundle":"https://pith.science/pith/5Q4IWU3LK7IOXTCUNNSY6BQWAB/bundle.json","state":"https://pith.science/pith/5Q4IWU3LK7IOXTCUNNSY6BQWAB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5Q4IWU3LK7IOXTCUNNSY6BQWAB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:5Q4IWU3LK7IOXTCUNNSY6BQWAB","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":"ffc1c36dfae8b8a2ba978aea3227d90d440c8016c52844f23d79d9c060188382","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-10-09T17:43:16Z","title_canon_sha256":"ad55ce7c87147ce6f548f8378235aeb8a87384146c614b285003ce1bab374e97"},"schema_version":"1.0","source":{"id":"2310.05902","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.05902","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"arxiv_version","alias_value":"2310.05902v1","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.05902","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_12","alias_value":"5Q4IWU3LK7IO","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_16","alias_value":"5Q4IWU3LK7IOXTCU","created_at":"2026-07-05T10:12:13Z"},{"alias_kind":"pith_short_8","alias_value":"5Q4IWU3L","created_at":"2026-07-05T10:12:13Z"}],"graph_snapshots":[{"event_id":"sha256:0710444cbdab0dfaf3a23e120ed440eed036215463c75dcd30074ec915e65b55","target":"graph","created_at":"2026-07-05T10:12:13Z","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/2310.05902/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hole spins in Ge/SiGe heterostructure quantum dots have emerged as promising qubits for quantum computation. The strong spin-orbit coupling (SOC), characteristic of heavy-hole states in Ge, enables fast and all-electrical qubit control. However, SOC also increases the susceptibility of spin qubits to charge noise. While qubit coherence can be significantly improved by operating at sweet spots with reduced hyperfine or charge noise sensitivity, the latter ultimately limits coherence, underlining the importance of understanding and reducing charge noise at its source. In this work, we study the ","authors_text":"A. Fuhrer, B. Het\\'enyi, F.J. Schupp, G. Salis, L. Massai, L. Sommer, M. Mergenthaler, N.W. Hendrickx, P. Harvey-Collard, S. Paredes, S.W. Bedell","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-10-09T17:43:16Z","title":"Impact of interface traps on charge noise, mobility and percolation density in Ge/SiGe heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.05902","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:b5b25ddcc133665011503ebf323f95aa554f7aa38fbd85b84332eab922eaf835","target":"record","created_at":"2026-07-05T10:12:13Z","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":"ffc1c36dfae8b8a2ba978aea3227d90d440c8016c52844f23d79d9c060188382","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2023-10-09T17:43:16Z","title_canon_sha256":"ad55ce7c87147ce6f548f8378235aeb8a87384146c614b285003ce1bab374e97"},"schema_version":"1.0","source":{"id":"2310.05902","kind":"arxiv","version":1}},"canonical_sha256":"ec388b536b57d0ebcc546b658f0616007f1341c8ffc8bb69097f3cd2440f8391","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec388b536b57d0ebcc546b658f0616007f1341c8ffc8bb69097f3cd2440f8391","first_computed_at":"2026-07-05T10:12:13.264145Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:12:13.264145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UPKV35MMJuMJInIerAfN+7cKXMJRWQgpB6betkzPLcW2aF+zlI9uSId6kSDR70o181zbEGQI299iB8ivU5/SCg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:12:13.264643Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.05902","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b5b25ddcc133665011503ebf323f95aa554f7aa38fbd85b84332eab922eaf835","sha256:0710444cbdab0dfaf3a23e120ed440eed036215463c75dcd30074ec915e65b55"],"state_sha256":"c1b16cfc37be975b56bab49dd071598e01722a70a30d8e7424e824037799bbbd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LwCaXw43vhKTjZLqTaHzyDU65B/Q5UfWUbKYPgOBLbwY+HxHpOvsFPRmVZN6tsFlDcYlTmck9k/HfCBu+/Z6AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T06:57:02.754305Z","bundle_sha256":"1367976498e9c96066fc8b4abd41ec4f81ee4143a54cd89bc65fd6793e13e2a6"}}