{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:T53DPHFIK363UTFK2RO4KJUGNP","short_pith_number":"pith:T53DPHFI","canonical_record":{"source":{"id":"1309.4430","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-17T19:19:19Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"539f6a5d4e3ca67161e8cd5b79b0aaad63f125fa17e7e227c6fc5e43b3f112d6","abstract_canon_sha256":"74e6c9b450b366da0ca3f4bd8ed228b81a9619f0f3afa8f43b9c6ab2313a1c57"},"schema_version":"1.0"},"canonical_sha256":"9f76379ca856fdba4caad45dc526866bebc3e6b5f5301c6b9e068eb3d3f3b647","source":{"kind":"arxiv","id":"1309.4430","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.4430","created_at":"2026-05-18T02:56:21Z"},{"alias_kind":"arxiv_version","alias_value":"1309.4430v1","created_at":"2026-05-18T02:56:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.4430","created_at":"2026-05-18T02:56:21Z"},{"alias_kind":"pith_short_12","alias_value":"T53DPHFIK363","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"T53DPHFIK363UTFK","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"T53DPHFI","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:T53DPHFIK363UTFK2RO4KJUGNP","target":"record","payload":{"canonical_record":{"source":{"id":"1309.4430","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-17T19:19:19Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"539f6a5d4e3ca67161e8cd5b79b0aaad63f125fa17e7e227c6fc5e43b3f112d6","abstract_canon_sha256":"74e6c9b450b366da0ca3f4bd8ed228b81a9619f0f3afa8f43b9c6ab2313a1c57"},"schema_version":"1.0"},"canonical_sha256":"9f76379ca856fdba4caad45dc526866bebc3e6b5f5301c6b9e068eb3d3f3b647","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:56:21.099525Z","signature_b64":"MKBxvcdUHEmJ45Qt1sqnGJTi8FAE5/ppfaiGYOhCLqXSIb0OGPsFSJzrEN3HZOlogGD9Ks3rMOGdhRzoLPuoCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f76379ca856fdba4caad45dc526866bebc3e6b5f5301c6b9e068eb3d3f3b647","last_reissued_at":"2026-05-18T02:56:21.098876Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:56:21.098876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.4430","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":"2026-05-18T02:56:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4JGDGGY7BCC1Zo41g1YGoF9HJxnC1Ii1dzfILbjuaC6uQ4vhNGZdeEd0kEDkDvWpoXvqzgbxjTmw3tMOwrpnAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T16:36:37.576507Z"},"content_sha256":"a0ee98f8f0f716441b06110728477eb83e4aff4d19bdd477eed5c751b8ea4329","schema_version":"1.0","event_id":"sha256:a0ee98f8f0f716441b06110728477eb83e4aff4d19bdd477eed5c751b8ea4329"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:T53DPHFIK363UTFK2RO4KJUGNP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High fidelity spin entanglement using optimal control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Florian Dolde, Ingmar Jakobi, Jacob Biamonte, Jan Meijer, J\\\"org Wrachtrup, Philipp Neumann, Sebastien Pezzagna, T. Schulte-Herbrueggen, Ville Bergholm, Ya Wang","submitted_at":"2013-09-17T19:19:19Z","abstract_excerpt":"Precise control of quantum systems is of fundamental importance for quantum device engineering, such as is needed in the fields of quantum information processing, high-resolution spectroscopy and quantum metrology. When scaling up the quantum registers in such devices, several challenges arise: individual addressing of qubits in a dense spectrum while suppressing crosstalk, creation of entanglement between distant nodes, and decoupling from unwanted interactions. The experimental implementation of optimal control is a prerequisite to meeting these challenges. Using engineered microwave pulses,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.4430","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":""},"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":"2026-05-18T02:56:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EyGdtvdFC8qgwti5idsqj67yxhg5Gab6FftA2P56mcOpPSyxehB+kenEn1Q/OsIznPswCNRr7G8MybOlS3PBBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T16:36:37.577120Z"},"content_sha256":"2c057c51e25b157b94a6e914625f8ccca866f7be56fa795f76b6c0de4a75536f","schema_version":"1.0","event_id":"sha256:2c057c51e25b157b94a6e914625f8ccca866f7be56fa795f76b6c0de4a75536f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T53DPHFIK363UTFK2RO4KJUGNP/bundle.json","state_url":"https://pith.science/pith/T53DPHFIK363UTFK2RO4KJUGNP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T53DPHFIK363UTFK2RO4KJUGNP/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":"2026-05-19T16:36:37Z","links":{"resolver":"https://pith.science/pith/T53DPHFIK363UTFK2RO4KJUGNP","bundle":"https://pith.science/pith/T53DPHFIK363UTFK2RO4KJUGNP/bundle.json","state":"https://pith.science/pith/T53DPHFIK363UTFK2RO4KJUGNP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T53DPHFIK363UTFK2RO4KJUGNP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:T53DPHFIK363UTFK2RO4KJUGNP","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":"74e6c9b450b366da0ca3f4bd8ed228b81a9619f0f3afa8f43b9c6ab2313a1c57","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-17T19:19:19Z","title_canon_sha256":"539f6a5d4e3ca67161e8cd5b79b0aaad63f125fa17e7e227c6fc5e43b3f112d6"},"schema_version":"1.0","source":{"id":"1309.4430","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.4430","created_at":"2026-05-18T02:56:21Z"},{"alias_kind":"arxiv_version","alias_value":"1309.4430v1","created_at":"2026-05-18T02:56:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.4430","created_at":"2026-05-18T02:56:21Z"},{"alias_kind":"pith_short_12","alias_value":"T53DPHFIK363","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"T53DPHFIK363UTFK","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"T53DPHFI","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:2c057c51e25b157b94a6e914625f8ccca866f7be56fa795f76b6c0de4a75536f","target":"graph","created_at":"2026-05-18T02:56:21Z","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"},"paper":{"abstract_excerpt":"Precise control of quantum systems is of fundamental importance for quantum device engineering, such as is needed in the fields of quantum information processing, high-resolution spectroscopy and quantum metrology. When scaling up the quantum registers in such devices, several challenges arise: individual addressing of qubits in a dense spectrum while suppressing crosstalk, creation of entanglement between distant nodes, and decoupling from unwanted interactions. The experimental implementation of optimal control is a prerequisite to meeting these challenges. Using engineered microwave pulses,","authors_text":"Florian Dolde, Ingmar Jakobi, Jacob Biamonte, Jan Meijer, J\\\"org Wrachtrup, Philipp Neumann, Sebastien Pezzagna, T. Schulte-Herbrueggen, Ville Bergholm, Ya Wang","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-17T19:19:19Z","title":"High fidelity spin entanglement using optimal control"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.4430","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:a0ee98f8f0f716441b06110728477eb83e4aff4d19bdd477eed5c751b8ea4329","target":"record","created_at":"2026-05-18T02:56:21Z","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":"74e6c9b450b366da0ca3f4bd8ed228b81a9619f0f3afa8f43b9c6ab2313a1c57","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-17T19:19:19Z","title_canon_sha256":"539f6a5d4e3ca67161e8cd5b79b0aaad63f125fa17e7e227c6fc5e43b3f112d6"},"schema_version":"1.0","source":{"id":"1309.4430","kind":"arxiv","version":1}},"canonical_sha256":"9f76379ca856fdba4caad45dc526866bebc3e6b5f5301c6b9e068eb3d3f3b647","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f76379ca856fdba4caad45dc526866bebc3e6b5f5301c6b9e068eb3d3f3b647","first_computed_at":"2026-05-18T02:56:21.098876Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:56:21.098876Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MKBxvcdUHEmJ45Qt1sqnGJTi8FAE5/ppfaiGYOhCLqXSIb0OGPsFSJzrEN3HZOlogGD9Ks3rMOGdhRzoLPuoCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:56:21.099525Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.4430","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0ee98f8f0f716441b06110728477eb83e4aff4d19bdd477eed5c751b8ea4329","sha256:2c057c51e25b157b94a6e914625f8ccca866f7be56fa795f76b6c0de4a75536f"],"state_sha256":"3c160452a2caaed92bad3e985b0356cc445851e4bdec8d9064a5b755bd25721e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JurtVw5yXfd6DYmoOMmmbkFyWZCCkrgqCjb5I4n2oU9owBlzQGgS1Ylx0kq5rVuhCpD5IdXk6pzIqnnEk7UYAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T16:36:37.581783Z","bundle_sha256":"5bad51a08d0d34a1f9f6be3b65623474c72b6903f08cab31ba3b2496b7c70530"}}