{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:NBSDUHBPXC6LY3UVGOGAVFBGGO","short_pith_number":"pith:NBSDUHBP","canonical_record":{"source":{"id":"2607.27067","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-07-29T15:54:51Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"412538b8fa13285edc57cf658d50c93b622341262cbf6d6a601c054a39d77c4c","abstract_canon_sha256":"9cdf183da176b58cbfa9bd426ab76ce86fc87ff8c1bdf975f59d5e3b34baeb0c"},"schema_version":"1.0"},"canonical_sha256":"68643a1c2fb8bcbc6e95338c0a9426338765d7bad78aa449709a2efb7d6f3930","source":{"kind":"arxiv","id":"2607.27067","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.27067","created_at":"2026-07-30T01:23:29Z"},{"alias_kind":"arxiv_version","alias_value":"2607.27067v1","created_at":"2026-07-30T01:23:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27067","created_at":"2026-07-30T01:23:29Z"},{"alias_kind":"pith_short_12","alias_value":"NBSDUHBPXC6L","created_at":"2026-07-30T01:23:29Z"},{"alias_kind":"pith_short_16","alias_value":"NBSDUHBPXC6LY3UV","created_at":"2026-07-30T01:23:29Z"},{"alias_kind":"pith_short_8","alias_value":"NBSDUHBP","created_at":"2026-07-30T01:23:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:NBSDUHBPXC6LY3UVGOGAVFBGGO","target":"record","payload":{"canonical_record":{"source":{"id":"2607.27067","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-07-29T15:54:51Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"412538b8fa13285edc57cf658d50c93b622341262cbf6d6a601c054a39d77c4c","abstract_canon_sha256":"9cdf183da176b58cbfa9bd426ab76ce86fc87ff8c1bdf975f59d5e3b34baeb0c"},"schema_version":"1.0"},"canonical_sha256":"68643a1c2fb8bcbc6e95338c0a9426338765d7bad78aa449709a2efb7d6f3930","receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68643a1c2fb8bcbc6e95338c0a9426338765d7bad78aa449709a2efb7d6f3930","last_reissued_at":"2026-07-30T01:23:29.591209Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-30T01:23:29.591209Z"},"source_kind":"arxiv","source_id":"2607.27067","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":"2026-07-30T01:23:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SkzpvK1gG9QvOnmgYNG1sWqI/4BowUJ5bSgczTxS2c0TvGbk01pU1oXtQk84u1WTyQlUlLpGevNaZm1bUZhJBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:58:51.140977Z"},"content_sha256":"19947418c44bf0e6c6a3ca7fc4de6263b21af578ccfd3f4ff33f160010c985a9","schema_version":"1.0","event_id":"sha256:19947418c44bf0e6c6a3ca7fc4de6263b21af578ccfd3f4ff33f160010c985a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:NBSDUHBPXC6LY3UVGOGAVFBGGO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Degenerate Singlet-Triplet Qubit with All-Electrical Orthogonal Control","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Amir Yacoby, Giordano Scappucci, Jann H. Ungerer, Julian Santen, Konstantinos Tsoukalas, Lucas Stehouwer, Menno Veldhorst, Phuong X. Nguyen, Stefan D. Oosterhout, Stefano Bosco, Valentin John","submitted_at":"2026-07-29T15:54:51Z","abstract_excerpt":"Singlet-triplet qubits offer an attractive encoding for semiconductor quantum computing, combining ancilla-free readout, reduced sensitivity to common-mode noise, and baseband voltage control. However, the Zeeman energy difference $\\Delta E_\\mathrm{Z}$ is typically fixed by local magnetic field gradients or $g$-factor inhomogeneities, leaving the exchange interaction $J$ as the only dynamically tunable parameter. This always-on $\\Delta E_\\mathrm{Z}$ precludes orthogonal control of the qubit's rotation axes and introduces unwanted state rotations during idling. Here we demonstrate all-electrica"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27067","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/2607.27067/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":"2026-07-30T01:23:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s0dcIj1aRfmiOkSziE14Vsn3aAvEhraEzbelLnC41yMgDA0ej5P+klw21VMUvxP7oeDLu6oIUJAP5cRi93cwAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T12:58:51.141589Z"},"content_sha256":"8f92e6a84c34a6022f5f08801e572cde82d95790c5478072bc875d772de7cd0f","schema_version":"1.0","event_id":"sha256:8f92e6a84c34a6022f5f08801e572cde82d95790c5478072bc875d772de7cd0f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NBSDUHBPXC6LY3UVGOGAVFBGGO/bundle.json","state_url":"https://pith.science/pith/NBSDUHBPXC6LY3UVGOGAVFBGGO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NBSDUHBPXC6LY3UVGOGAVFBGGO/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":"2026-08-05T12:58:51Z","links":{"resolver":"https://pith.science/pith/NBSDUHBPXC6LY3UVGOGAVFBGGO","bundle":"https://pith.science/pith/NBSDUHBPXC6LY3UVGOGAVFBGGO/bundle.json","state":"https://pith.science/pith/NBSDUHBPXC6LY3UVGOGAVFBGGO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NBSDUHBPXC6LY3UVGOGAVFBGGO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:NBSDUHBPXC6LY3UVGOGAVFBGGO","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":"9cdf183da176b58cbfa9bd426ab76ce86fc87ff8c1bdf975f59d5e3b34baeb0c","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-07-29T15:54:51Z","title_canon_sha256":"412538b8fa13285edc57cf658d50c93b622341262cbf6d6a601c054a39d77c4c"},"schema_version":"1.0","source":{"id":"2607.27067","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.27067","created_at":"2026-07-30T01:23:29Z"},{"alias_kind":"arxiv_version","alias_value":"2607.27067v1","created_at":"2026-07-30T01:23:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27067","created_at":"2026-07-30T01:23:29Z"},{"alias_kind":"pith_short_12","alias_value":"NBSDUHBPXC6L","created_at":"2026-07-30T01:23:29Z"},{"alias_kind":"pith_short_16","alias_value":"NBSDUHBPXC6LY3UV","created_at":"2026-07-30T01:23:29Z"},{"alias_kind":"pith_short_8","alias_value":"NBSDUHBP","created_at":"2026-07-30T01:23:29Z"}],"graph_snapshots":[{"event_id":"sha256:8f92e6a84c34a6022f5f08801e572cde82d95790c5478072bc875d772de7cd0f","target":"graph","created_at":"2026-07-30T01:23:29Z","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/2607.27067/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Singlet-triplet qubits offer an attractive encoding for semiconductor quantum computing, combining ancilla-free readout, reduced sensitivity to common-mode noise, and baseband voltage control. However, the Zeeman energy difference $\\Delta E_\\mathrm{Z}$ is typically fixed by local magnetic field gradients or $g$-factor inhomogeneities, leaving the exchange interaction $J$ as the only dynamically tunable parameter. This always-on $\\Delta E_\\mathrm{Z}$ precludes orthogonal control of the qubit's rotation axes and introduces unwanted state rotations during idling. Here we demonstrate all-electrica","authors_text":"Amir Yacoby, Giordano Scappucci, Jann H. Ungerer, Julian Santen, Konstantinos Tsoukalas, Lucas Stehouwer, Menno Veldhorst, Phuong X. Nguyen, Stefan D. Oosterhout, Stefano Bosco, Valentin John","cross_cats":["quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-07-29T15:54:51Z","title":"A Degenerate Singlet-Triplet Qubit with All-Electrical Orthogonal Control"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27067","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":"sha256:19947418c44bf0e6c6a3ca7fc4de6263b21af578ccfd3f4ff33f160010c985a9","target":"record","created_at":"2026-07-30T01:23:29Z","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":"9cdf183da176b58cbfa9bd426ab76ce86fc87ff8c1bdf975f59d5e3b34baeb0c","cross_cats_sorted":["quant-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-07-29T15:54:51Z","title_canon_sha256":"412538b8fa13285edc57cf658d50c93b622341262cbf6d6a601c054a39d77c4c"},"schema_version":"1.0","source":{"id":"2607.27067","kind":"arxiv","version":1}},"canonical_sha256":"68643a1c2fb8bcbc6e95338c0a9426338765d7bad78aa449709a2efb7d6f3930","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68643a1c2fb8bcbc6e95338c0a9426338765d7bad78aa449709a2efb7d6f3930","first_computed_at":"2026-07-30T01:23:29.591209Z","kind":"pith_receipt","last_reissued_at":"2026-07-30T01:23:29.591209Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2607.27067","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19947418c44bf0e6c6a3ca7fc4de6263b21af578ccfd3f4ff33f160010c985a9","sha256:8f92e6a84c34a6022f5f08801e572cde82d95790c5478072bc875d772de7cd0f"],"state_sha256":"b621c3bda7689f08c78afbe90dcd3792833f61f9a560bc90bfe2f5127f2e6a22"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fZvqvdcVyZzw99kr27X5AiUBjqX6Ot+AR4LV4FQQ9m0v2Ptkr2wBWIUM3Qu6hEKYZ938ZUmL45dL0vrKhhaTCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T12:58:51.147600Z","bundle_sha256":"2a4fc9bc41a3c933c53029a3f19c8612d8fb3a3d5a58758b878c804aab5ca494"}}