{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:N2GUMQSAT7QSTGXBIVLNGD7CMR","short_pith_number":"pith:N2GUMQSA","canonical_record":{"source":{"id":"1408.0390","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-02T16:01:38Z","cross_cats_sorted":[],"title_canon_sha256":"6f06178c43b1089ed4eddadca29466781fd0329f8d86ec0eed16b97a0bdf245c","abstract_canon_sha256":"feebdfa1bbf84835a2bfe903e591641df713ff5ceb608db6ceb38d8fd6192c1e"},"schema_version":"1.0"},"canonical_sha256":"6e8d4642409fe1299ae14556d30fe26478836d0e31481e01fd56e9b2cf3e417b","source":{"kind":"arxiv","id":"1408.0390","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.0390","created_at":"2026-05-18T02:45:57Z"},{"alias_kind":"arxiv_version","alias_value":"1408.0390v1","created_at":"2026-05-18T02:45:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.0390","created_at":"2026-05-18T02:45:57Z"},{"alias_kind":"pith_short_12","alias_value":"N2GUMQSAT7QS","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"N2GUMQSAT7QSTGXB","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"N2GUMQSA","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:N2GUMQSAT7QSTGXBIVLNGD7CMR","target":"record","payload":{"canonical_record":{"source":{"id":"1408.0390","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-02T16:01:38Z","cross_cats_sorted":[],"title_canon_sha256":"6f06178c43b1089ed4eddadca29466781fd0329f8d86ec0eed16b97a0bdf245c","abstract_canon_sha256":"feebdfa1bbf84835a2bfe903e591641df713ff5ceb608db6ceb38d8fd6192c1e"},"schema_version":"1.0"},"canonical_sha256":"6e8d4642409fe1299ae14556d30fe26478836d0e31481e01fd56e9b2cf3e417b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:45:57.207593Z","signature_b64":"3Dd8sG++welHQ23W/nOr79hroQ2Agx3ETLxnnKdivebr23xy5M0AB4LYFSTev+Ukrr4Iv0BzzV/7szxwH20yBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e8d4642409fe1299ae14556d30fe26478836d0e31481e01fd56e9b2cf3e417b","last_reissued_at":"2026-05-18T02:45:57.206959Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:45:57.206959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.0390","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":"2026-05-18T02:45:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c8Y/NByx9rCaMN4mmq3gRyj1hJLgxCeGiSGGWNSxlnJLeNXq8J3sHL1L6xE8/hbbMD8XEzZF6v0EoLJfxa9rCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:29:53.611611Z"},"content_sha256":"f127783631a7fc5fd8e466e7def00d62a64ac32e11ef5aeeeb6c06fa7130666e","schema_version":"1.0","event_id":"sha256:f127783631a7fc5fd8e466e7def00d62a64ac32e11ef5aeeeb6c06fa7130666e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:N2GUMQSAT7QSTGXBIVLNGD7CMR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accurate Qubit Control with Single Flux Quantum Pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"M.G. Vavilov, R. McDermott","submitted_at":"2014-08-02T16:01:38Z","abstract_excerpt":"We describe the coherent manipulation of harmonic oscillator and qubit modes using resonant trains of single flux quantum pulses in place of microwaves. We show that coherent rotations are obtained for pulse-to-pulse spacing equal to the period of the oscillator. We consider a protocol for preparing bright and dark harmonic oscillator pointer states. Next we analyze rotations of a two-state qubit system. We calculate gate errors due to timing jitter of the single flux quantum pulses and due to weak anharmonicity of the qubit. We show that gate fidelities in excess of 99.9% are achievable for s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.0390","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":"2026-05-18T02:45:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8PxSAQhgkH2v+RvRdX7Zp+8R9XBolcXeklwYh9B572hSPxJHc29Nv99NgmhRZYRDteMdzjiJOnZtMDKfy/lHDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T16:29:53.612054Z"},"content_sha256":"67b9e68555122b8935e12c6c6a440b6b429bfc591eba5a348cb2d2b2c8488990","schema_version":"1.0","event_id":"sha256:67b9e68555122b8935e12c6c6a440b6b429bfc591eba5a348cb2d2b2c8488990"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N2GUMQSAT7QSTGXBIVLNGD7CMR/bundle.json","state_url":"https://pith.science/pith/N2GUMQSAT7QSTGXBIVLNGD7CMR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N2GUMQSAT7QSTGXBIVLNGD7CMR/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":"2026-05-31T16:29:53Z","links":{"resolver":"https://pith.science/pith/N2GUMQSAT7QSTGXBIVLNGD7CMR","bundle":"https://pith.science/pith/N2GUMQSAT7QSTGXBIVLNGD7CMR/bundle.json","state":"https://pith.science/pith/N2GUMQSAT7QSTGXBIVLNGD7CMR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N2GUMQSAT7QSTGXBIVLNGD7CMR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:N2GUMQSAT7QSTGXBIVLNGD7CMR","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":"feebdfa1bbf84835a2bfe903e591641df713ff5ceb608db6ceb38d8fd6192c1e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-02T16:01:38Z","title_canon_sha256":"6f06178c43b1089ed4eddadca29466781fd0329f8d86ec0eed16b97a0bdf245c"},"schema_version":"1.0","source":{"id":"1408.0390","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.0390","created_at":"2026-05-18T02:45:57Z"},{"alias_kind":"arxiv_version","alias_value":"1408.0390v1","created_at":"2026-05-18T02:45:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.0390","created_at":"2026-05-18T02:45:57Z"},{"alias_kind":"pith_short_12","alias_value":"N2GUMQSAT7QS","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"N2GUMQSAT7QSTGXB","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"N2GUMQSA","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:67b9e68555122b8935e12c6c6a440b6b429bfc591eba5a348cb2d2b2c8488990","target":"graph","created_at":"2026-05-18T02:45:57Z","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":"We describe the coherent manipulation of harmonic oscillator and qubit modes using resonant trains of single flux quantum pulses in place of microwaves. We show that coherent rotations are obtained for pulse-to-pulse spacing equal to the period of the oscillator. We consider a protocol for preparing bright and dark harmonic oscillator pointer states. Next we analyze rotations of a two-state qubit system. We calculate gate errors due to timing jitter of the single flux quantum pulses and due to weak anharmonicity of the qubit. We show that gate fidelities in excess of 99.9% are achievable for s","authors_text":"M.G. Vavilov, R. McDermott","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-02T16:01:38Z","title":"Accurate Qubit Control with Single Flux Quantum Pulses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.0390","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:f127783631a7fc5fd8e466e7def00d62a64ac32e11ef5aeeeb6c06fa7130666e","target":"record","created_at":"2026-05-18T02:45:57Z","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":"feebdfa1bbf84835a2bfe903e591641df713ff5ceb608db6ceb38d8fd6192c1e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-02T16:01:38Z","title_canon_sha256":"6f06178c43b1089ed4eddadca29466781fd0329f8d86ec0eed16b97a0bdf245c"},"schema_version":"1.0","source":{"id":"1408.0390","kind":"arxiv","version":1}},"canonical_sha256":"6e8d4642409fe1299ae14556d30fe26478836d0e31481e01fd56e9b2cf3e417b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e8d4642409fe1299ae14556d30fe26478836d0e31481e01fd56e9b2cf3e417b","first_computed_at":"2026-05-18T02:45:57.206959Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:45:57.206959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3Dd8sG++welHQ23W/nOr79hroQ2Agx3ETLxnnKdivebr23xy5M0AB4LYFSTev+Ukrr4Iv0BzzV/7szxwH20yBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:45:57.207593Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.0390","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f127783631a7fc5fd8e466e7def00d62a64ac32e11ef5aeeeb6c06fa7130666e","sha256:67b9e68555122b8935e12c6c6a440b6b429bfc591eba5a348cb2d2b2c8488990"],"state_sha256":"f6c3782437c95a894f38ee343cc7b392c7db732e433eab12c895809cba6ec6ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7ZQ14ynyLeDRH2JldpcHbrZEkkp1JT2pTpEDfkEa3GYONjVwmVNs7kdQ0o8NTKLLDWNhfaaEqfMzIM1k3gFKDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T16:29:53.616004Z","bundle_sha256":"4e735982c12e411bbd381b49108b769bb56604189b8242c43e1bfed6250fc8e3"}}