{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:FCCQWKONHPD7FCXJPNFRLFSKJV","short_pith_number":"pith:FCCQWKON","canonical_record":{"source":{"id":"0805.3239","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-05-21T09:44:51Z","cross_cats_sorted":[],"title_canon_sha256":"10fb1dd404afd96ebe0b1aaf686c4c79d348a6a73399d39214b7fe18a2bdd5ac","abstract_canon_sha256":"59fc48db1e26ea6eb4fa4db4e29d0bc97fbd48208266b458dc2534dedb424571"},"schema_version":"1.0"},"canonical_sha256":"28850b29cd3bc7f28ae97b4b15964a4d40881c804d5de13c80438e1d624ca915","source":{"kind":"arxiv","id":"0805.3239","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.3239","created_at":"2026-05-18T03:46:45Z"},{"alias_kind":"arxiv_version","alias_value":"0805.3239v3","created_at":"2026-05-18T03:46:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.3239","created_at":"2026-05-18T03:46:45Z"},{"alias_kind":"pith_short_12","alias_value":"FCCQWKONHPD7","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"FCCQWKONHPD7FCXJ","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"FCCQWKON","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:FCCQWKONHPD7FCXJPNFRLFSKJV","target":"record","payload":{"canonical_record":{"source":{"id":"0805.3239","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-05-21T09:44:51Z","cross_cats_sorted":[],"title_canon_sha256":"10fb1dd404afd96ebe0b1aaf686c4c79d348a6a73399d39214b7fe18a2bdd5ac","abstract_canon_sha256":"59fc48db1e26ea6eb4fa4db4e29d0bc97fbd48208266b458dc2534dedb424571"},"schema_version":"1.0"},"canonical_sha256":"28850b29cd3bc7f28ae97b4b15964a4d40881c804d5de13c80438e1d624ca915","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:45.913610Z","signature_b64":"kj4Os0bFRpWuUSk6p0hBbKcp/V2Aehj4OKpuPoqEXjMkmum8qPtG37NvYMJF+UbIvAzo6B9d1qXYXFojTWR3Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28850b29cd3bc7f28ae97b4b15964a4d40881c804d5de13c80438e1d624ca915","last_reissued_at":"2026-05-18T03:46:45.912817Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:45.912817Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0805.3239","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:46:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SnIIBFqaH+MtfarD3yoIDT6a/To3/02oArfJp8s99ZswJDu5ClwKcuRPQ+7mCmkNt74qvMibqIK75bQCJtDjAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T05:20:39.929050Z"},"content_sha256":"6e4802b41e05a8c274bab7ab49f21af18d3fe76c8080c55b6902c1876e606c96","schema_version":"1.0","event_id":"sha256:6e4802b41e05a8c274bab7ab49f21af18d3fe76c8080c55b6902c1876e606c96"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:FCCQWKONHPD7FCXJPNFRLFSKJV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A robust system for Quantum Computation using Coherent Population Trap states of neutral atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ashok Vudayagiri","submitted_at":"2008-05-21T09:44:51Z","abstract_excerpt":"A robust system for use of Quantum Computation using neutral atoms is presented in this communication. This scheme exploits a multilevel atomic system interacting with two lasers in such a way that it leads to formation of two Coherent Population Trap (CPT) states. The atomic population can be pumped alternatively between these two CPT states or any desired superposition of the two can also be formed. These two CPT states can then be mapped to two Qubits for Quantum Computation. Preparation of any desired state and formation of CNOT gates are explained below. A scheme for preparing 1-D lattice"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.3239","kind":"arxiv","version":3},"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":"2026-05-18T03:46:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CSMz1l1Pu7XnIeQQDAg7Shxko/Lz03vp1UL5/8um/FFw8fAcxa5nb7JD0zLRxn4s35yhg780WM3svGYSfXPBBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T05:20:39.929414Z"},"content_sha256":"4139798d05c5bb28cc8b7ec34abc95289e148023992a9ec007b4aad01943d1d9","schema_version":"1.0","event_id":"sha256:4139798d05c5bb28cc8b7ec34abc95289e148023992a9ec007b4aad01943d1d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FCCQWKONHPD7FCXJPNFRLFSKJV/bundle.json","state_url":"https://pith.science/pith/FCCQWKONHPD7FCXJPNFRLFSKJV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FCCQWKONHPD7FCXJPNFRLFSKJV/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":"2026-06-24T05:20:39Z","links":{"resolver":"https://pith.science/pith/FCCQWKONHPD7FCXJPNFRLFSKJV","bundle":"https://pith.science/pith/FCCQWKONHPD7FCXJPNFRLFSKJV/bundle.json","state":"https://pith.science/pith/FCCQWKONHPD7FCXJPNFRLFSKJV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FCCQWKONHPD7FCXJPNFRLFSKJV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:FCCQWKONHPD7FCXJPNFRLFSKJV","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":"59fc48db1e26ea6eb4fa4db4e29d0bc97fbd48208266b458dc2534dedb424571","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-05-21T09:44:51Z","title_canon_sha256":"10fb1dd404afd96ebe0b1aaf686c4c79d348a6a73399d39214b7fe18a2bdd5ac"},"schema_version":"1.0","source":{"id":"0805.3239","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0805.3239","created_at":"2026-05-18T03:46:45Z"},{"alias_kind":"arxiv_version","alias_value":"0805.3239v3","created_at":"2026-05-18T03:46:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0805.3239","created_at":"2026-05-18T03:46:45Z"},{"alias_kind":"pith_short_12","alias_value":"FCCQWKONHPD7","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"FCCQWKONHPD7FCXJ","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"FCCQWKON","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:4139798d05c5bb28cc8b7ec34abc95289e148023992a9ec007b4aad01943d1d9","target":"graph","created_at":"2026-05-18T03:46:45Z","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":"A robust system for use of Quantum Computation using neutral atoms is presented in this communication. This scheme exploits a multilevel atomic system interacting with two lasers in such a way that it leads to formation of two Coherent Population Trap (CPT) states. The atomic population can be pumped alternatively between these two CPT states or any desired superposition of the two can also be formed. These two CPT states can then be mapped to two Qubits for Quantum Computation. Preparation of any desired state and formation of CNOT gates are explained below. A scheme for preparing 1-D lattice","authors_text":"Ashok Vudayagiri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-05-21T09:44:51Z","title":"A robust system for Quantum Computation using Coherent Population Trap states of neutral atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0805.3239","kind":"arxiv","version":3},"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":"sha256:6e4802b41e05a8c274bab7ab49f21af18d3fe76c8080c55b6902c1876e606c96","target":"record","created_at":"2026-05-18T03:46:45Z","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":"59fc48db1e26ea6eb4fa4db4e29d0bc97fbd48208266b458dc2534dedb424571","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2008-05-21T09:44:51Z","title_canon_sha256":"10fb1dd404afd96ebe0b1aaf686c4c79d348a6a73399d39214b7fe18a2bdd5ac"},"schema_version":"1.0","source":{"id":"0805.3239","kind":"arxiv","version":3}},"canonical_sha256":"28850b29cd3bc7f28ae97b4b15964a4d40881c804d5de13c80438e1d624ca915","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28850b29cd3bc7f28ae97b4b15964a4d40881c804d5de13c80438e1d624ca915","first_computed_at":"2026-05-18T03:46:45.912817Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:46:45.912817Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kj4Os0bFRpWuUSk6p0hBbKcp/V2Aehj4OKpuPoqEXjMkmum8qPtG37NvYMJF+UbIvAzo6B9d1qXYXFojTWR3Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:46:45.913610Z","signed_message":"canonical_sha256_bytes"},"source_id":"0805.3239","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e4802b41e05a8c274bab7ab49f21af18d3fe76c8080c55b6902c1876e606c96","sha256:4139798d05c5bb28cc8b7ec34abc95289e148023992a9ec007b4aad01943d1d9"],"state_sha256":"5814b3bff54ba9fed7a067419d2a057284c43c4098839c35d023286eb82d16b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W4Lc47ENluxgGxFNnIyM6Qnw9SJE3N4ZoLs9B7MAA1P4BScOQaJtZUEa6NIqzbTfuR8ZQZFfbkW1PXzniE6QDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T05:20:39.931289Z","bundle_sha256":"1503f6bbdee47ba723a1d0fa15b071b9c1bb8e1d7181a43fff1ac3bdcd5b5869"}}