{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:WRHZ6L2BEPEFJ64T3WMQUB5PH5","short_pith_number":"pith:WRHZ6L2B","canonical_record":{"source":{"id":"2208.12131","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-25T14:48:02Z","cross_cats_sorted":[],"title_canon_sha256":"dc897e5f1f32a70d85da50d04da5f499840617a7bf5c9b2d21ad987c3184b038","abstract_canon_sha256":"b214f26e91f815b478a6fb89fe104836da5145b588829445f444345bd973c46a"},"schema_version":"1.0"},"canonical_sha256":"b44f9f2f4123c854fb93dd990a07af3f4d9b53930aad886bf2533f4780859b6f","source":{"kind":"arxiv","id":"2208.12131","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.12131","created_at":"2026-07-05T09:18:17Z"},{"alias_kind":"arxiv_version","alias_value":"2208.12131v4","created_at":"2026-07-05T09:18:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.12131","created_at":"2026-07-05T09:18:17Z"},{"alias_kind":"pith_short_12","alias_value":"WRHZ6L2BEPEF","created_at":"2026-07-05T09:18:17Z"},{"alias_kind":"pith_short_16","alias_value":"WRHZ6L2BEPEFJ64T","created_at":"2026-07-05T09:18:17Z"},{"alias_kind":"pith_short_8","alias_value":"WRHZ6L2B","created_at":"2026-07-05T09:18:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:WRHZ6L2BEPEFJ64T3WMQUB5PH5","target":"record","payload":{"canonical_record":{"source":{"id":"2208.12131","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-25T14:48:02Z","cross_cats_sorted":[],"title_canon_sha256":"dc897e5f1f32a70d85da50d04da5f499840617a7bf5c9b2d21ad987c3184b038","abstract_canon_sha256":"b214f26e91f815b478a6fb89fe104836da5145b588829445f444345bd973c46a"},"schema_version":"1.0"},"canonical_sha256":"b44f9f2f4123c854fb93dd990a07af3f4d9b53930aad886bf2533f4780859b6f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:18:17.859038Z","signature_b64":"6ExkOWZtI5Cz0mnrN5TNrywrcp3SdUps8KjDUAeCTby3Sey5FZ5i+sLKJLCH4NTDoSfEI5dVmV3ETusm9IumBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b44f9f2f4123c854fb93dd990a07af3f4d9b53930aad886bf2533f4780859b6f","last_reissued_at":"2026-07-05T09:18:17.858589Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:18:17.858589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.12131","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:18:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sZ3aILQ7WnK9ClVKWav5EPBSEFCWe3wqILreqSQCU8OQbIM9z8xk05CIwPJ5jx5YOgcHnXhW+vDFj/xkF2smAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:50:44.541579Z"},"content_sha256":"13ceeb3bd7a47ea010e2ea63a7fddc60fc760814bde978fe277390d12bf0a800","schema_version":"1.0","event_id":"sha256:13ceeb3bd7a47ea010e2ea63a7fddc60fc760814bde978fe277390d12bf0a800"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:WRHZ6L2BEPEFJ64T3WMQUB5PH5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scalable on-chip multiplexing of silicon single and double quantum dots","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Alberto Ronzani, Andrey Shchepetov, Arto Rantala, Heorhii Bohuslavskyi, Janne S. Lehtinen, Joel H\\\"atinen, Mika Prunnila, Panu Koppinen","submitted_at":"2022-08-25T14:48:02Z","abstract_excerpt":"Owing to the maturity of complementary metal oxide semiconductor (CMOS) microelectronics, qubits realized with spins in silicon quantum dots (QDs) are considered among the most promising technologies for building scalable quantum computers. For this goal, ultra-low-power on-chip cryogenic CMOS (cryo-CMOS) electronics for control, read-out, and interfacing of the qubits is an important milestone. We report on-chip interfacing of tunable electron and hole QDs by a 64-channel cryo-CMOS multiplexer with less-than-detectable static power dissipation. We analyze charge noise and measure state-of-the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.12131","kind":"arxiv","version":4},"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/2208.12131/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":"2026-07-05T09:18:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sVzwtynXDxYZA1maKtfYGmlGMHB4LnILfvNLrAzAv+4CmfzEd6frhhpm042YelQcqVv9CrH4lfpKmKs3Ki6aBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:50:44.541957Z"},"content_sha256":"89752a18be1b677b52e4990401cdf0e82dad0c7bc31e68450d645a06035b42d1","schema_version":"1.0","event_id":"sha256:89752a18be1b677b52e4990401cdf0e82dad0c7bc31e68450d645a06035b42d1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WRHZ6L2BEPEFJ64T3WMQUB5PH5/bundle.json","state_url":"https://pith.science/pith/WRHZ6L2BEPEFJ64T3WMQUB5PH5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WRHZ6L2BEPEFJ64T3WMQUB5PH5/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":"2026-07-07T15:50:44Z","links":{"resolver":"https://pith.science/pith/WRHZ6L2BEPEFJ64T3WMQUB5PH5","bundle":"https://pith.science/pith/WRHZ6L2BEPEFJ64T3WMQUB5PH5/bundle.json","state":"https://pith.science/pith/WRHZ6L2BEPEFJ64T3WMQUB5PH5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WRHZ6L2BEPEFJ64T3WMQUB5PH5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:WRHZ6L2BEPEFJ64T3WMQUB5PH5","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":"b214f26e91f815b478a6fb89fe104836da5145b588829445f444345bd973c46a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-25T14:48:02Z","title_canon_sha256":"dc897e5f1f32a70d85da50d04da5f499840617a7bf5c9b2d21ad987c3184b038"},"schema_version":"1.0","source":{"id":"2208.12131","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.12131","created_at":"2026-07-05T09:18:17Z"},{"alias_kind":"arxiv_version","alias_value":"2208.12131v4","created_at":"2026-07-05T09:18:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.12131","created_at":"2026-07-05T09:18:17Z"},{"alias_kind":"pith_short_12","alias_value":"WRHZ6L2BEPEF","created_at":"2026-07-05T09:18:17Z"},{"alias_kind":"pith_short_16","alias_value":"WRHZ6L2BEPEFJ64T","created_at":"2026-07-05T09:18:17Z"},{"alias_kind":"pith_short_8","alias_value":"WRHZ6L2B","created_at":"2026-07-05T09:18:17Z"}],"graph_snapshots":[{"event_id":"sha256:89752a18be1b677b52e4990401cdf0e82dad0c7bc31e68450d645a06035b42d1","target":"graph","created_at":"2026-07-05T09:18:17Z","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/2208.12131/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Owing to the maturity of complementary metal oxide semiconductor (CMOS) microelectronics, qubits realized with spins in silicon quantum dots (QDs) are considered among the most promising technologies for building scalable quantum computers. For this goal, ultra-low-power on-chip cryogenic CMOS (cryo-CMOS) electronics for control, read-out, and interfacing of the qubits is an important milestone. We report on-chip interfacing of tunable electron and hole QDs by a 64-channel cryo-CMOS multiplexer with less-than-detectable static power dissipation. We analyze charge noise and measure state-of-the","authors_text":"Alberto Ronzani, Andrey Shchepetov, Arto Rantala, Heorhii Bohuslavskyi, Janne S. Lehtinen, Joel H\\\"atinen, Mika Prunnila, Panu Koppinen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-25T14:48:02Z","title":"Scalable on-chip multiplexing of silicon single and double quantum dots"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.12131","kind":"arxiv","version":4},"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":"sha256:13ceeb3bd7a47ea010e2ea63a7fddc60fc760814bde978fe277390d12bf0a800","target":"record","created_at":"2026-07-05T09:18:17Z","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":"b214f26e91f815b478a6fb89fe104836da5145b588829445f444345bd973c46a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-08-25T14:48:02Z","title_canon_sha256":"dc897e5f1f32a70d85da50d04da5f499840617a7bf5c9b2d21ad987c3184b038"},"schema_version":"1.0","source":{"id":"2208.12131","kind":"arxiv","version":4}},"canonical_sha256":"b44f9f2f4123c854fb93dd990a07af3f4d9b53930aad886bf2533f4780859b6f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b44f9f2f4123c854fb93dd990a07af3f4d9b53930aad886bf2533f4780859b6f","first_computed_at":"2026-07-05T09:18:17.858589Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:18:17.858589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6ExkOWZtI5Cz0mnrN5TNrywrcp3SdUps8KjDUAeCTby3Sey5FZ5i+sLKJLCH4NTDoSfEI5dVmV3ETusm9IumBA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:18:17.859038Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.12131","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:13ceeb3bd7a47ea010e2ea63a7fddc60fc760814bde978fe277390d12bf0a800","sha256:89752a18be1b677b52e4990401cdf0e82dad0c7bc31e68450d645a06035b42d1"],"state_sha256":"ef23a2e07ab4ea47f729241fe2044e1a9c7f6902617641e9145b080c24619530"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sUqXsiZmUpUZHq2pErnRzr8Unbj0BpaErT+sxaL80zMjFLQhlnwUjsFTnq862GFG37u1B3TYW/F9sTEFfWq0BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:50:44.543880Z","bundle_sha256":"05c794961943bcc951380156867965b2a32e762122264cc13fba7f017cebcd35"}}