{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:XJOKITELPSZ2LD63YX64HGZJSL","short_pith_number":"pith:XJOKITEL","canonical_record":{"source":{"id":"2607.27527","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-29T23:43:13Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"3071b89553c0a0d3d8cb066475865e10c42170d7452734412c3a3b5ef332354f","abstract_canon_sha256":"f1babb1d804c8a1c9238357239fe55f1af2795707fa0d366431c266bf2c42237"},"schema_version":"1.0"},"canonical_sha256":"ba5ca44c8b7cb3a58fdbc5fdc39b2992d2afb48327d4b91e21462c8b1535bd35","source":{"kind":"arxiv","id":"2607.27527","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.27527","created_at":"2026-07-31T01:25:09Z"},{"alias_kind":"arxiv_version","alias_value":"2607.27527v1","created_at":"2026-07-31T01:25:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27527","created_at":"2026-07-31T01:25:09Z"},{"alias_kind":"pith_short_12","alias_value":"XJOKITELPSZ2","created_at":"2026-07-31T01:25:09Z"},{"alias_kind":"pith_short_16","alias_value":"XJOKITELPSZ2LD63","created_at":"2026-07-31T01:25:09Z"},{"alias_kind":"pith_short_8","alias_value":"XJOKITEL","created_at":"2026-07-31T01:25:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:XJOKITELPSZ2LD63YX64HGZJSL","target":"record","payload":{"canonical_record":{"source":{"id":"2607.27527","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-29T23:43:13Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"3071b89553c0a0d3d8cb066475865e10c42170d7452734412c3a3b5ef332354f","abstract_canon_sha256":"f1babb1d804c8a1c9238357239fe55f1af2795707fa0d366431c266bf2c42237"},"schema_version":"1.0"},"canonical_sha256":"ba5ca44c8b7cb3a58fdbc5fdc39b2992d2afb48327d4b91e21462c8b1535bd35","receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba5ca44c8b7cb3a58fdbc5fdc39b2992d2afb48327d4b91e21462c8b1535bd35","last_reissued_at":"2026-07-31T01:25:09.451090Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-31T01:25:09.451090Z"},"source_kind":"arxiv","source_id":"2607.27527","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":"2026-07-31T01:25:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hn4odKeZ4pE9/qPFXBfV3jdXbRHfK92ykhGAIdOlOTIVzL67xX45cNGVXepk1kEAdrvYFkjBgACiw0KnV4StDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T11:33:24.392137Z"},"content_sha256":"19ed397ba0765adf4a911200aa3e503883ae830ffd53e86b52af110d2fc23d5a","schema_version":"1.0","event_id":"sha256:19ed397ba0765adf4a911200aa3e503883ae830ffd53e86b52af110d2fc23d5a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:XJOKITELPSZ2LD63YX64HGZJSL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Noise-resilient and Scalable Quantum Error Correction for Nuclear Spin Qubits in Silicon with Electron Shuttling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Dwight R. Luhman, Matthew D. Grace, Wayne M. Witzel","submitted_at":"2026-07-29T23:43:13Z","abstract_excerpt":"Nuclear spin qubits in silicon are well-isolated from their environment. Consequently, they have very long lifetimes and low sensitivity to noise, but this also suggests that control and measurement is challenging. We introduce electron pair interferometry (EPI), a protocol to overcome this challenge and maintain robustness to noise. EPI is implemented using an array of quantum dots with isoelectronic nuclear spin qubits located in the dots. A pair of electrons are initialized into a singlet ground state, split apart, and shuttled to the dots containing nuclear spin qubits. We show it is possi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27527","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/2607.27527/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":"2026-07-31T01:25:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p1rKCwRhozbCyN+arHUt3jEY24TJPF6ONTpDBRqKm2aSg/4k03+B3Grxkyd6lSYZYMhbYyj2ugSeik8AL6OuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T11:33:24.392794Z"},"content_sha256":"cf6cc9e494686bd6bbba4fea65957702475303336703beb5dfb432268b94f604","schema_version":"1.0","event_id":"sha256:cf6cc9e494686bd6bbba4fea65957702475303336703beb5dfb432268b94f604"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XJOKITELPSZ2LD63YX64HGZJSL/bundle.json","state_url":"https://pith.science/pith/XJOKITELPSZ2LD63YX64HGZJSL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XJOKITELPSZ2LD63YX64HGZJSL/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":"2026-08-18T11:33:24Z","links":{"resolver":"https://pith.science/pith/XJOKITELPSZ2LD63YX64HGZJSL","bundle":"https://pith.science/pith/XJOKITELPSZ2LD63YX64HGZJSL/bundle.json","state":"https://pith.science/pith/XJOKITELPSZ2LD63YX64HGZJSL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XJOKITELPSZ2LD63YX64HGZJSL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:XJOKITELPSZ2LD63YX64HGZJSL","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":"f1babb1d804c8a1c9238357239fe55f1af2795707fa0d366431c266bf2c42237","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-29T23:43:13Z","title_canon_sha256":"3071b89553c0a0d3d8cb066475865e10c42170d7452734412c3a3b5ef332354f"},"schema_version":"1.0","source":{"id":"2607.27527","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.27527","created_at":"2026-07-31T01:25:09Z"},{"alias_kind":"arxiv_version","alias_value":"2607.27527v1","created_at":"2026-07-31T01:25:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27527","created_at":"2026-07-31T01:25:09Z"},{"alias_kind":"pith_short_12","alias_value":"XJOKITELPSZ2","created_at":"2026-07-31T01:25:09Z"},{"alias_kind":"pith_short_16","alias_value":"XJOKITELPSZ2LD63","created_at":"2026-07-31T01:25:09Z"},{"alias_kind":"pith_short_8","alias_value":"XJOKITEL","created_at":"2026-07-31T01:25:09Z"}],"graph_snapshots":[{"event_id":"sha256:cf6cc9e494686bd6bbba4fea65957702475303336703beb5dfb432268b94f604","target":"graph","created_at":"2026-07-31T01:25:09Z","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/2607.27527/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Nuclear spin qubits in silicon are well-isolated from their environment. Consequently, they have very long lifetimes and low sensitivity to noise, but this also suggests that control and measurement is challenging. We introduce electron pair interferometry (EPI), a protocol to overcome this challenge and maintain robustness to noise. EPI is implemented using an array of quantum dots with isoelectronic nuclear spin qubits located in the dots. A pair of electrons are initialized into a singlet ground state, split apart, and shuttled to the dots containing nuclear spin qubits. We show it is possi","authors_text":"Dwight R. Luhman, Matthew D. Grace, Wayne M. Witzel","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-29T23:43:13Z","title":"Noise-resilient and Scalable Quantum Error Correction for Nuclear Spin Qubits in Silicon with Electron Shuttling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27527","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":"sha256:19ed397ba0765adf4a911200aa3e503883ae830ffd53e86b52af110d2fc23d5a","target":"record","created_at":"2026-07-31T01:25:09Z","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":"f1babb1d804c8a1c9238357239fe55f1af2795707fa0d366431c266bf2c42237","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-07-29T23:43:13Z","title_canon_sha256":"3071b89553c0a0d3d8cb066475865e10c42170d7452734412c3a3b5ef332354f"},"schema_version":"1.0","source":{"id":"2607.27527","kind":"arxiv","version":1}},"canonical_sha256":"ba5ca44c8b7cb3a58fdbc5fdc39b2992d2afb48327d4b91e21462c8b1535bd35","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba5ca44c8b7cb3a58fdbc5fdc39b2992d2afb48327d4b91e21462c8b1535bd35","first_computed_at":"2026-07-31T01:25:09.451090Z","kind":"pith_receipt","last_reissued_at":"2026-07-31T01:25:09.451090Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2607.27527","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19ed397ba0765adf4a911200aa3e503883ae830ffd53e86b52af110d2fc23d5a","sha256:cf6cc9e494686bd6bbba4fea65957702475303336703beb5dfb432268b94f604"],"state_sha256":"b8080467381f2edc559b5738711bf0c196958734af2ebbe8be3f44f8366fb872"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e0A+fk51INjwTRY7SL7fygwaytZcWqX+4l4nLtb0Ej1fDPcStAf/3i3QCFtT9IrDMfu5VbTPpgS6T+GGdEDxDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T11:33:24.398192Z","bundle_sha256":"a3e5e9cba395638ba7842f767dd0d7741dd7925d90dd5f3a917ff5a63d1cdbcf"}}