{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:DQIDJ5QY4J5CTG5DOCLKKARYTD","short_pith_number":"pith:DQIDJ5QY","canonical_record":{"source":{"id":"1912.11544","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-12-24T21:24:47Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"5f5906a3f2e7755b99d18eaaa110460f643aeb2da7860cac34a53ad8d84104e0","abstract_canon_sha256":"e636c31bc6be7d2b590291bd910c12d1c6ddf3d0ed99f25de1c5711c5f040541"},"schema_version":"1.0"},"canonical_sha256":"1c1034f618e27a299ba37096a5023898dbcedb00098c6bfdb33f30d51bf25231","source":{"kind":"arxiv","id":"1912.11544","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.11544","created_at":"2026-07-05T00:28:26Z"},{"alias_kind":"arxiv_version","alias_value":"1912.11544v1","created_at":"2026-07-05T00:28:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.11544","created_at":"2026-07-05T00:28:26Z"},{"alias_kind":"pith_short_12","alias_value":"DQIDJ5QY4J5C","created_at":"2026-07-05T00:28:26Z"},{"alias_kind":"pith_short_16","alias_value":"DQIDJ5QY4J5CTG5D","created_at":"2026-07-05T00:28:26Z"},{"alias_kind":"pith_short_8","alias_value":"DQIDJ5QY","created_at":"2026-07-05T00:28:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:DQIDJ5QY4J5CTG5DOCLKKARYTD","target":"record","payload":{"canonical_record":{"source":{"id":"1912.11544","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-12-24T21:24:47Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"5f5906a3f2e7755b99d18eaaa110460f643aeb2da7860cac34a53ad8d84104e0","abstract_canon_sha256":"e636c31bc6be7d2b590291bd910c12d1c6ddf3d0ed99f25de1c5711c5f040541"},"schema_version":"1.0"},"canonical_sha256":"1c1034f618e27a299ba37096a5023898dbcedb00098c6bfdb33f30d51bf25231","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:28:26.907884Z","signature_b64":"NkG4LWdWOFJsqcQZnxLKn8/69teExN4QgaRPxVPjU0EoMhcsZdyLocI06uWN17w8GqCSJS4iNTNN5wYAv88lDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c1034f618e27a299ba37096a5023898dbcedb00098c6bfdb33f30d51bf25231","last_reissued_at":"2026-07-05T00:28:26.907481Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:28:26.907481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1912.11544","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":"2026-07-05T00:28:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3YZasVjYxosAkQLN8xmCexGCjtUNKwoihR4Yl7IRApcS6Ijx7WJAg8ObNH4/svQL5O41Mye5gKoBdx6JLARgBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T22:59:59.181879Z"},"content_sha256":"17b64c562eda96e71d26d73a13433f2a14f70412dc0b4e8109d493e405abf0a8","schema_version":"1.0","event_id":"sha256:17b64c562eda96e71d26d73a13433f2a14f70412dc0b4e8109d493e405abf0a8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:DQIDJ5QY4J5CTG5DOCLKKARYTD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CMOS Position-Based Charge Qubits: Theoretical Analysis of Control and Entanglement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Andrew Mitchell, Dirk Leipold, Elena Blokhina, Panagiotis Giounanlis, Robert Bogdan Staszewski","submitted_at":"2019-12-24T21:24:47Z","abstract_excerpt":"In this study, a formal definition, robustness analysis and discussion on the control of a position-based semiconductor charge qubit are presented. Such a qubit can be realized in a chain of coupled quantum dots, forming a register of charge-coupled transistor-like devices, and is intended for CMOS implementation in scalable quantum computers. We discuss the construction and operation of this qubit, its Bloch sphere, and relation with maximally localized Wannier functions which define its position-based nature. We then demonstrate how to build a tight-binding model of single and multiple inter"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.11544","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/1912.11544/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":"2026-07-05T00:28:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pzj0cUBX6ru5TNQfNGxwg8C2dgUnHaAyrng+2gbrrU03/UIQOIHj1LOp6/54YElpxQhtPmm3/eitTpmgjT9TCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T22:59:59.183016Z"},"content_sha256":"2a366a2627655a5c21c9ac40f017d57d1f23dca65757e189ef1e052baf933cc6","schema_version":"1.0","event_id":"sha256:2a366a2627655a5c21c9ac40f017d57d1f23dca65757e189ef1e052baf933cc6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DQIDJ5QY4J5CTG5DOCLKKARYTD/bundle.json","state_url":"https://pith.science/pith/DQIDJ5QY4J5CTG5DOCLKKARYTD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DQIDJ5QY4J5CTG5DOCLKKARYTD/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":"2026-08-18T22:59:59Z","links":{"resolver":"https://pith.science/pith/DQIDJ5QY4J5CTG5DOCLKKARYTD","bundle":"https://pith.science/pith/DQIDJ5QY4J5CTG5DOCLKKARYTD/bundle.json","state":"https://pith.science/pith/DQIDJ5QY4J5CTG5DOCLKKARYTD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DQIDJ5QY4J5CTG5DOCLKKARYTD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DQIDJ5QY4J5CTG5DOCLKKARYTD","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":"e636c31bc6be7d2b590291bd910c12d1c6ddf3d0ed99f25de1c5711c5f040541","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-12-24T21:24:47Z","title_canon_sha256":"5f5906a3f2e7755b99d18eaaa110460f643aeb2da7860cac34a53ad8d84104e0"},"schema_version":"1.0","source":{"id":"1912.11544","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1912.11544","created_at":"2026-07-05T00:28:26Z"},{"alias_kind":"arxiv_version","alias_value":"1912.11544v1","created_at":"2026-07-05T00:28:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1912.11544","created_at":"2026-07-05T00:28:26Z"},{"alias_kind":"pith_short_12","alias_value":"DQIDJ5QY4J5C","created_at":"2026-07-05T00:28:26Z"},{"alias_kind":"pith_short_16","alias_value":"DQIDJ5QY4J5CTG5D","created_at":"2026-07-05T00:28:26Z"},{"alias_kind":"pith_short_8","alias_value":"DQIDJ5QY","created_at":"2026-07-05T00:28:26Z"}],"graph_snapshots":[{"event_id":"sha256:2a366a2627655a5c21c9ac40f017d57d1f23dca65757e189ef1e052baf933cc6","target":"graph","created_at":"2026-07-05T00:28:26Z","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/1912.11544/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this study, a formal definition, robustness analysis and discussion on the control of a position-based semiconductor charge qubit are presented. Such a qubit can be realized in a chain of coupled quantum dots, forming a register of charge-coupled transistor-like devices, and is intended for CMOS implementation in scalable quantum computers. We discuss the construction and operation of this qubit, its Bloch sphere, and relation with maximally localized Wannier functions which define its position-based nature. We then demonstrate how to build a tight-binding model of single and multiple inter","authors_text":"Andrew Mitchell, Dirk Leipold, Elena Blokhina, Panagiotis Giounanlis, Robert Bogdan Staszewski","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-12-24T21:24:47Z","title":"CMOS Position-Based Charge Qubits: Theoretical Analysis of Control and Entanglement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1912.11544","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":"sha256:17b64c562eda96e71d26d73a13433f2a14f70412dc0b4e8109d493e405abf0a8","target":"record","created_at":"2026-07-05T00:28:26Z","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":"e636c31bc6be7d2b590291bd910c12d1c6ddf3d0ed99f25de1c5711c5f040541","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-12-24T21:24:47Z","title_canon_sha256":"5f5906a3f2e7755b99d18eaaa110460f643aeb2da7860cac34a53ad8d84104e0"},"schema_version":"1.0","source":{"id":"1912.11544","kind":"arxiv","version":1}},"canonical_sha256":"1c1034f618e27a299ba37096a5023898dbcedb00098c6bfdb33f30d51bf25231","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c1034f618e27a299ba37096a5023898dbcedb00098c6bfdb33f30d51bf25231","first_computed_at":"2026-07-05T00:28:26.907481Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:28:26.907481Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NkG4LWdWOFJsqcQZnxLKn8/69teExN4QgaRPxVPjU0EoMhcsZdyLocI06uWN17w8GqCSJS4iNTNN5wYAv88lDA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:28:26.907884Z","signed_message":"canonical_sha256_bytes"},"source_id":"1912.11544","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17b64c562eda96e71d26d73a13433f2a14f70412dc0b4e8109d493e405abf0a8","sha256:2a366a2627655a5c21c9ac40f017d57d1f23dca65757e189ef1e052baf933cc6"],"state_sha256":"fe34de31fb4db887788b619384ed939fda5016aa9f52aeefac9e148b0ab309f5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NFpRt4QVYc0Q5wz+d3NA4HiqrA+Y6adqSeyUU74X1HIuaKuyU5QYMub5czqncZsjIWHbKD0STaqY6CU+YusDDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T22:59:59.188213Z","bundle_sha256":"53f9c3eac9fd50c27c79900bfe2c73a75c6c33a092a50fb86b624c8d64bda5b8"}}