{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:5A6OV2KU6XNANPU4GE3GWDR3OO","short_pith_number":"pith:5A6OV2KU","canonical_record":{"source":{"id":"2409.08977","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-09-13T16:51:16Z","cross_cats_sorted":[],"title_canon_sha256":"6e43757943fae4c7df6b327bb1e8e2a312e65732415329b685d2c0d7e1fec6c5","abstract_canon_sha256":"3e8a5b34d69aa78b6143083c82f452a806357da1f2c51e9b213ca605872a239e"},"schema_version":"1.0"},"canonical_sha256":"e83ceae954f5da06be9c31366b0e3b7388a7d6ab482d23ad36ffee9cdf370c47","source":{"kind":"arxiv","id":"2409.08977","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.08977","created_at":"2026-07-05T10:48:19Z"},{"alias_kind":"arxiv_version","alias_value":"2409.08977v2","created_at":"2026-07-05T10:48:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.08977","created_at":"2026-07-05T10:48:19Z"},{"alias_kind":"pith_short_12","alias_value":"5A6OV2KU6XNA","created_at":"2026-07-05T10:48:19Z"},{"alias_kind":"pith_short_16","alias_value":"5A6OV2KU6XNANPU4","created_at":"2026-07-05T10:48:19Z"},{"alias_kind":"pith_short_8","alias_value":"5A6OV2KU","created_at":"2026-07-05T10:48:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:5A6OV2KU6XNANPU4GE3GWDR3OO","target":"record","payload":{"canonical_record":{"source":{"id":"2409.08977","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-09-13T16:51:16Z","cross_cats_sorted":[],"title_canon_sha256":"6e43757943fae4c7df6b327bb1e8e2a312e65732415329b685d2c0d7e1fec6c5","abstract_canon_sha256":"3e8a5b34d69aa78b6143083c82f452a806357da1f2c51e9b213ca605872a239e"},"schema_version":"1.0"},"canonical_sha256":"e83ceae954f5da06be9c31366b0e3b7388a7d6ab482d23ad36ffee9cdf370c47","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:48:19.339981Z","signature_b64":"zx9PqxTME41Oativt74Njftut2A/W3uzhX4+rL029EwD1WbGl4Aj2Dqmrij4aHz5jwM0Wt0sQtf9j9UGpRTQDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e83ceae954f5da06be9c31366b0e3b7388a7d6ab482d23ad36ffee9cdf370c47","last_reissued_at":"2026-07-05T10:48:19.339530Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:48:19.339530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.08977","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:48:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P0JeDC7iUxugJU+z0SwnkBpfM0tn6KneEGalryOrk6YqXnGkt1yckBkUer3clQJmxU0Tuy680N6vJQwG7DgRCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T14:38:59.459441Z"},"content_sha256":"ded7f09b0f3ee3624f5f714a2e6ad2bd3eb981921090c0bd2beb9edceac1b879","schema_version":"1.0","event_id":"sha256:ded7f09b0f3ee3624f5f714a2e6ad2bd3eb981921090c0bd2beb9edceac1b879"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:5A6OV2KU6XNANPU4GE3GWDR3OO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Control of solid-state nuclear spin qubits using an electron spin-1/2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Christopher Waas, Hans K. C. Beukers, Hendrik B. van Ommen, Julia M. Brevoord, Mariagrazia Iuliano, Matteo Pasini, Nina Codreanu, Ronald Hanson, Tim H. Taminiau, Tim Turan, Zarije Ademi","submitted_at":"2024-09-13T16:51:16Z","abstract_excerpt":"Solid-state quantum registers consisting of optically active electron spins with nearby nuclear spins are promising building blocks for future quantum technologies. For electron spin-1 registers, dynamical decoupling (DD) quantum gates have been developed that enable the precise control of multiple nuclear spin qubits. However, for the important class of electron spin-1/2 systems, this control method suffers from intrinsic selectivity limitations, resulting in reduced nuclear spin gate fidelities. Here we demonstrate improved control of single nuclear spins by an electron spin-1/2 using Dynami"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.08977","kind":"arxiv","version":2},"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/2409.08977/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":"2026-07-05T10:48:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BcVVOEG4pXF8gDBVZbT7LkxPriUfdju8m/LNL4BK0QXJi9jLMXp0kSFzGEU49+hXgSONIeAWlUgprWkDZor3BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T14:38:59.459961Z"},"content_sha256":"dc4e857f2dbf66462f346ebf4e51df566bbfe6a8dd39b43180474cb732f5535c","schema_version":"1.0","event_id":"sha256:dc4e857f2dbf66462f346ebf4e51df566bbfe6a8dd39b43180474cb732f5535c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5A6OV2KU6XNANPU4GE3GWDR3OO/bundle.json","state_url":"https://pith.science/pith/5A6OV2KU6XNANPU4GE3GWDR3OO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5A6OV2KU6XNANPU4GE3GWDR3OO/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":"2026-08-12T14:38:59Z","links":{"resolver":"https://pith.science/pith/5A6OV2KU6XNANPU4GE3GWDR3OO","bundle":"https://pith.science/pith/5A6OV2KU6XNANPU4GE3GWDR3OO/bundle.json","state":"https://pith.science/pith/5A6OV2KU6XNANPU4GE3GWDR3OO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5A6OV2KU6XNANPU4GE3GWDR3OO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:5A6OV2KU6XNANPU4GE3GWDR3OO","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":"3e8a5b34d69aa78b6143083c82f452a806357da1f2c51e9b213ca605872a239e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-09-13T16:51:16Z","title_canon_sha256":"6e43757943fae4c7df6b327bb1e8e2a312e65732415329b685d2c0d7e1fec6c5"},"schema_version":"1.0","source":{"id":"2409.08977","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.08977","created_at":"2026-07-05T10:48:19Z"},{"alias_kind":"arxiv_version","alias_value":"2409.08977v2","created_at":"2026-07-05T10:48:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.08977","created_at":"2026-07-05T10:48:19Z"},{"alias_kind":"pith_short_12","alias_value":"5A6OV2KU6XNA","created_at":"2026-07-05T10:48:19Z"},{"alias_kind":"pith_short_16","alias_value":"5A6OV2KU6XNANPU4","created_at":"2026-07-05T10:48:19Z"},{"alias_kind":"pith_short_8","alias_value":"5A6OV2KU","created_at":"2026-07-05T10:48:19Z"}],"graph_snapshots":[{"event_id":"sha256:dc4e857f2dbf66462f346ebf4e51df566bbfe6a8dd39b43180474cb732f5535c","target":"graph","created_at":"2026-07-05T10:48:19Z","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/2409.08977/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Solid-state quantum registers consisting of optically active electron spins with nearby nuclear spins are promising building blocks for future quantum technologies. For electron spin-1 registers, dynamical decoupling (DD) quantum gates have been developed that enable the precise control of multiple nuclear spin qubits. However, for the important class of electron spin-1/2 systems, this control method suffers from intrinsic selectivity limitations, resulting in reduced nuclear spin gate fidelities. Here we demonstrate improved control of single nuclear spins by an electron spin-1/2 using Dynami","authors_text":"Christopher Waas, Hans K. C. Beukers, Hendrik B. van Ommen, Julia M. Brevoord, Mariagrazia Iuliano, Matteo Pasini, Nina Codreanu, Ronald Hanson, Tim H. Taminiau, Tim Turan, Zarije Ademi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-09-13T16:51:16Z","title":"Control of solid-state nuclear spin qubits using an electron spin-1/2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.08977","kind":"arxiv","version":2},"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:ded7f09b0f3ee3624f5f714a2e6ad2bd3eb981921090c0bd2beb9edceac1b879","target":"record","created_at":"2026-07-05T10:48:19Z","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":"3e8a5b34d69aa78b6143083c82f452a806357da1f2c51e9b213ca605872a239e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-09-13T16:51:16Z","title_canon_sha256":"6e43757943fae4c7df6b327bb1e8e2a312e65732415329b685d2c0d7e1fec6c5"},"schema_version":"1.0","source":{"id":"2409.08977","kind":"arxiv","version":2}},"canonical_sha256":"e83ceae954f5da06be9c31366b0e3b7388a7d6ab482d23ad36ffee9cdf370c47","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e83ceae954f5da06be9c31366b0e3b7388a7d6ab482d23ad36ffee9cdf370c47","first_computed_at":"2026-07-05T10:48:19.339530Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:48:19.339530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zx9PqxTME41Oativt74Njftut2A/W3uzhX4+rL029EwD1WbGl4Aj2Dqmrij4aHz5jwM0Wt0sQtf9j9UGpRTQDw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:48:19.339981Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.08977","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ded7f09b0f3ee3624f5f714a2e6ad2bd3eb981921090c0bd2beb9edceac1b879","sha256:dc4e857f2dbf66462f346ebf4e51df566bbfe6a8dd39b43180474cb732f5535c"],"state_sha256":"9be30eb8d0b1eb93147f6cc8062c81ba67a7fc3fb81e04cff7bbd606e234efa5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DG+LEZXeUTTgKijoiicOSxFZjm0VIIPVwYsWVHHhv0k8doTLzEHmD4KIxTT1KMd3v00qv/X/ttZVhGPIoqeIBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T14:38:59.465965Z","bundle_sha256":"fb437e539c96d87e31584e94b56c3566131eb61d0ff50be815a54866033ac439"}}