{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:RVAGXIQMOJ22COJCSPT4P6U3CU","short_pith_number":"pith:RVAGXIQM","canonical_record":{"source":{"id":"0710.3996","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2007-10-22T08:53:55Z","cross_cats_sorted":[],"title_canon_sha256":"a772d6f989fff394c30ccc4d3694e597a82592a2387571af7d956e305ef1c442","abstract_canon_sha256":"ef03937b35e0356f3f6f4c3b29bc21fa491ebe38370cc7ad9523c9589aec976d"},"schema_version":"1.0"},"canonical_sha256":"8d406ba20c7275a1392293e7c7fa9b150453aff192e71b1f80a9fd3002cc6255","source":{"kind":"arxiv","id":"0710.3996","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.3996","created_at":"2026-07-04T15:05:05Z"},{"alias_kind":"arxiv_version","alias_value":"0710.3996v1","created_at":"2026-07-04T15:05:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.3996","created_at":"2026-07-04T15:05:05Z"},{"alias_kind":"pith_short_12","alias_value":"RVAGXIQMOJ22","created_at":"2026-07-04T15:05:05Z"},{"alias_kind":"pith_short_16","alias_value":"RVAGXIQMOJ22COJC","created_at":"2026-07-04T15:05:05Z"},{"alias_kind":"pith_short_8","alias_value":"RVAGXIQM","created_at":"2026-07-04T15:05:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:RVAGXIQMOJ22COJCSPT4P6U3CU","target":"record","payload":{"canonical_record":{"source":{"id":"0710.3996","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2007-10-22T08:53:55Z","cross_cats_sorted":[],"title_canon_sha256":"a772d6f989fff394c30ccc4d3694e597a82592a2387571af7d956e305ef1c442","abstract_canon_sha256":"ef03937b35e0356f3f6f4c3b29bc21fa491ebe38370cc7ad9523c9589aec976d"},"schema_version":"1.0"},"canonical_sha256":"8d406ba20c7275a1392293e7c7fa9b150453aff192e71b1f80a9fd3002cc6255","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:05:05.369571Z","signature_b64":"muxEJU2Ba4C198nsTotNJjm/ylZw3dsr2SHGSAg/BqNHwKHDXyC6n/ZJfRVeUZXEm1jLS/cfCvFkgVzSZBjBBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d406ba20c7275a1392293e7c7fa9b150453aff192e71b1f80a9fd3002cc6255","last_reissued_at":"2026-07-04T15:05:05.369093Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:05:05.369093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0710.3996","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":"2026-07-04T15:05:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jzGLo0WJi2MPWVYMRpaxOvp75fX1q+JVjWdc5J5a4teDuVfBRdsVemEUkoN22HJDMeWXqop2ljE/n6Qb7ZIxBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T22:59:35.634364Z"},"content_sha256":"ecad80690b2bfee5ff842f1caec081c38b9fe5cf66e23cffc48772d493c53e9b","schema_version":"1.0","event_id":"sha256:ecad80690b2bfee5ff842f1caec081c38b9fe5cf66e23cffc48772d493c53e9b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:RVAGXIQMOJ22COJCSPT4P6U3CU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universal quantum computation with electronic qubits in decoherence-free subspace","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"K.L. Gao, M. Feng, X.L. Zhang","submitted_at":"2007-10-22T08:53:55Z","abstract_excerpt":"We investigate how to carry out universal quantum computation deterministically with free electrons in decoherence-free subspace by using polarizing beam splitters, charge detectors, and single-spin rotations. Quantum information in our case is encoded in spin degrees of freedom of the electron-pairs which construct a decoherence-free subspace. We design building blocks for two noncommutable single-logic-qubit gates and a logic controlled phase gate, based on which a universal and scalable quantum information processing robust to dephasing is available in a deterministic way."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.3996","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/0710.3996/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":"2026-07-04T15:05:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0+WuNqlP4xCfLxsw52OFz9RcOaLLZ4nrfyKYRwLpQhzC3XeCoa5652E7S0rVBxKsrMywOLtxgT94NfMq/qkoCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T22:59:35.634742Z"},"content_sha256":"06a62827fbfd97e5938b096da36e6ee2acde3c3cc9df0adecd7220af948ac65c","schema_version":"1.0","event_id":"sha256:06a62827fbfd97e5938b096da36e6ee2acde3c3cc9df0adecd7220af948ac65c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RVAGXIQMOJ22COJCSPT4P6U3CU/bundle.json","state_url":"https://pith.science/pith/RVAGXIQMOJ22COJCSPT4P6U3CU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RVAGXIQMOJ22COJCSPT4P6U3CU/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":"2026-07-25T22:59:35Z","links":{"resolver":"https://pith.science/pith/RVAGXIQMOJ22COJCSPT4P6U3CU","bundle":"https://pith.science/pith/RVAGXIQMOJ22COJCSPT4P6U3CU/bundle.json","state":"https://pith.science/pith/RVAGXIQMOJ22COJCSPT4P6U3CU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RVAGXIQMOJ22COJCSPT4P6U3CU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:RVAGXIQMOJ22COJCSPT4P6U3CU","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":"ef03937b35e0356f3f6f4c3b29bc21fa491ebe38370cc7ad9523c9589aec976d","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2007-10-22T08:53:55Z","title_canon_sha256":"a772d6f989fff394c30ccc4d3694e597a82592a2387571af7d956e305ef1c442"},"schema_version":"1.0","source":{"id":"0710.3996","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.3996","created_at":"2026-07-04T15:05:05Z"},{"alias_kind":"arxiv_version","alias_value":"0710.3996v1","created_at":"2026-07-04T15:05:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.3996","created_at":"2026-07-04T15:05:05Z"},{"alias_kind":"pith_short_12","alias_value":"RVAGXIQMOJ22","created_at":"2026-07-04T15:05:05Z"},{"alias_kind":"pith_short_16","alias_value":"RVAGXIQMOJ22COJC","created_at":"2026-07-04T15:05:05Z"},{"alias_kind":"pith_short_8","alias_value":"RVAGXIQM","created_at":"2026-07-04T15:05:05Z"}],"graph_snapshots":[{"event_id":"sha256:06a62827fbfd97e5938b096da36e6ee2acde3c3cc9df0adecd7220af948ac65c","target":"graph","created_at":"2026-07-04T15:05:05Z","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/0710.3996/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate how to carry out universal quantum computation deterministically with free electrons in decoherence-free subspace by using polarizing beam splitters, charge detectors, and single-spin rotations. Quantum information in our case is encoded in spin degrees of freedom of the electron-pairs which construct a decoherence-free subspace. We design building blocks for two noncommutable single-logic-qubit gates and a logic controlled phase gate, based on which a universal and scalable quantum information processing robust to dephasing is available in a deterministic way.","authors_text":"K.L. Gao, M. Feng, X.L. Zhang","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2007-10-22T08:53:55Z","title":"Universal quantum computation with electronic qubits in decoherence-free subspace"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.3996","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:ecad80690b2bfee5ff842f1caec081c38b9fe5cf66e23cffc48772d493c53e9b","target":"record","created_at":"2026-07-04T15:05:05Z","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":"ef03937b35e0356f3f6f4c3b29bc21fa491ebe38370cc7ad9523c9589aec976d","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2007-10-22T08:53:55Z","title_canon_sha256":"a772d6f989fff394c30ccc4d3694e597a82592a2387571af7d956e305ef1c442"},"schema_version":"1.0","source":{"id":"0710.3996","kind":"arxiv","version":1}},"canonical_sha256":"8d406ba20c7275a1392293e7c7fa9b150453aff192e71b1f80a9fd3002cc6255","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d406ba20c7275a1392293e7c7fa9b150453aff192e71b1f80a9fd3002cc6255","first_computed_at":"2026-07-04T15:05:05.369093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:05:05.369093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"muxEJU2Ba4C198nsTotNJjm/ylZw3dsr2SHGSAg/BqNHwKHDXyC6n/ZJfRVeUZXEm1jLS/cfCvFkgVzSZBjBBw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:05:05.369571Z","signed_message":"canonical_sha256_bytes"},"source_id":"0710.3996","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ecad80690b2bfee5ff842f1caec081c38b9fe5cf66e23cffc48772d493c53e9b","sha256:06a62827fbfd97e5938b096da36e6ee2acde3c3cc9df0adecd7220af948ac65c"],"state_sha256":"bd5196ea5225ba097ac26f0b1eecdc850c79b09b837cc48765d5efd8fd6fc1fa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jVeAXKpKkhiFIgSsU7fT+ZpQ2amwMUTWlnrOW2mWejBoPT8Qk6/ywnduFdE7JQyITJRyzNmKrXkh3YejOSblBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-25T22:59:35.636891Z","bundle_sha256":"24bc38d6c21561f0a7cdf23c25ba610425e21e7381a92993aa92ee99b8289b0d"}}