{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:OXYV3274QWICW75LLAWP4JJL7Q","short_pith_number":"pith:OXYV3274","canonical_record":{"source":{"id":"1801.02165","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-07T09:42:19Z","cross_cats_sorted":[],"title_canon_sha256":"5be9e49b683234e47fb48379cc3046e9b2b1070e9cc0f590c7f9ab2fba252c17","abstract_canon_sha256":"9cd8ebf50adaf7104c1ff74f9648e4c68a770afe6d09f2c655948d4532031c0c"},"schema_version":"1.0"},"canonical_sha256":"75f15debfc85902b7fab582cfe252bfc175fae4ed7da12b8cff4231c997bfcf7","source":{"kind":"arxiv","id":"1801.02165","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.02165","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"arxiv_version","alias_value":"1801.02165v2","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.02165","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"pith_short_12","alias_value":"OXYV3274QWIC","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OXYV3274QWICW75L","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OXYV3274","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:OXYV3274QWICW75LLAWP4JJL7Q","target":"record","payload":{"canonical_record":{"source":{"id":"1801.02165","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-07T09:42:19Z","cross_cats_sorted":[],"title_canon_sha256":"5be9e49b683234e47fb48379cc3046e9b2b1070e9cc0f590c7f9ab2fba252c17","abstract_canon_sha256":"9cd8ebf50adaf7104c1ff74f9648e4c68a770afe6d09f2c655948d4532031c0c"},"schema_version":"1.0"},"canonical_sha256":"75f15debfc85902b7fab582cfe252bfc175fae4ed7da12b8cff4231c997bfcf7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:39.438763Z","signature_b64":"Qazc0GuUsMyMeViBY6s3V9foENFPPX3ERuvcWMA/QP/j0sDEsVgkYCV5zybVnMi0v12es8FQtG329KFJgd5sDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"75f15debfc85902b7fab582cfe252bfc175fae4ed7da12b8cff4231c997bfcf7","last_reissued_at":"2026-05-18T00:05:39.438346Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:39.438346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.02165","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":"2026-05-18T00:05:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X++Bmo3tkgxke2018LHnndhnZ9x8WoLAcpQhew/H+SwQZLlYsooctN1si3qrRRZxaXakUdm2+tcSiSsSNkV9Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:33:41.676231Z"},"content_sha256":"78166412dd56d8a099e85886bf651a608c3a28db33cd948d3905f89bd62b721f","schema_version":"1.0","event_id":"sha256:78166412dd56d8a099e85886bf651a608c3a28db33cd948d3905f89bd62b721f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:OXYV3274QWICW75LLAWP4JJL7Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Protecting quantum resources via frequency modulation of qubits in leaky cavities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ali Mortezapour, Rosario Lo Franco","submitted_at":"2018-01-07T09:42:19Z","abstract_excerpt":"Finding strategies to preserve quantum resources in open systems is nowadays a main requirement for reliable quantum-enhanced technologies. We address this issue by considering structured cavities embedding qubits driven by a control technique known as frequency modulation. We first study a single qubit in a lossy cavity to determine optimal modulation parameters and qubit-cavity coupling regime allowing a gain of four orders of magnitude concerning coherence lifetimes. We relate this behavior to the inhibition of the qubit effective decay rate rather than to stronger memory effects (non-Marko"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.02165","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":""},"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":"2026-05-18T00:05:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jcqk51b07hlth4r5oBeUYvV3sEcyGqx2NFfOpk7kL/gy6nMTfmXRB8LERmgjrE4ZouhTKY/vYmyIO/5LDJZkCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:33:41.676587Z"},"content_sha256":"94cb54e6866d53dc7ffaf1e1fd75755341cad847987f299742fe6486a2903317","schema_version":"1.0","event_id":"sha256:94cb54e6866d53dc7ffaf1e1fd75755341cad847987f299742fe6486a2903317"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OXYV3274QWICW75LLAWP4JJL7Q/bundle.json","state_url":"https://pith.science/pith/OXYV3274QWICW75LLAWP4JJL7Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OXYV3274QWICW75LLAWP4JJL7Q/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":"2026-06-03T06:33:41Z","links":{"resolver":"https://pith.science/pith/OXYV3274QWICW75LLAWP4JJL7Q","bundle":"https://pith.science/pith/OXYV3274QWICW75LLAWP4JJL7Q/bundle.json","state":"https://pith.science/pith/OXYV3274QWICW75LLAWP4JJL7Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OXYV3274QWICW75LLAWP4JJL7Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:OXYV3274QWICW75LLAWP4JJL7Q","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":"9cd8ebf50adaf7104c1ff74f9648e4c68a770afe6d09f2c655948d4532031c0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-07T09:42:19Z","title_canon_sha256":"5be9e49b683234e47fb48379cc3046e9b2b1070e9cc0f590c7f9ab2fba252c17"},"schema_version":"1.0","source":{"id":"1801.02165","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.02165","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"arxiv_version","alias_value":"1801.02165v2","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.02165","created_at":"2026-05-18T00:05:39Z"},{"alias_kind":"pith_short_12","alias_value":"OXYV3274QWIC","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OXYV3274QWICW75L","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OXYV3274","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:94cb54e6866d53dc7ffaf1e1fd75755341cad847987f299742fe6486a2903317","target":"graph","created_at":"2026-05-18T00:05:39Z","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":"Finding strategies to preserve quantum resources in open systems is nowadays a main requirement for reliable quantum-enhanced technologies. We address this issue by considering structured cavities embedding qubits driven by a control technique known as frequency modulation. We first study a single qubit in a lossy cavity to determine optimal modulation parameters and qubit-cavity coupling regime allowing a gain of four orders of magnitude concerning coherence lifetimes. We relate this behavior to the inhibition of the qubit effective decay rate rather than to stronger memory effects (non-Marko","authors_text":"Ali Mortezapour, Rosario Lo Franco","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-07T09:42:19Z","title":"Protecting quantum resources via frequency modulation of qubits in leaky cavities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.02165","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":"sha256:78166412dd56d8a099e85886bf651a608c3a28db33cd948d3905f89bd62b721f","target":"record","created_at":"2026-05-18T00:05:39Z","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":"9cd8ebf50adaf7104c1ff74f9648e4c68a770afe6d09f2c655948d4532031c0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-07T09:42:19Z","title_canon_sha256":"5be9e49b683234e47fb48379cc3046e9b2b1070e9cc0f590c7f9ab2fba252c17"},"schema_version":"1.0","source":{"id":"1801.02165","kind":"arxiv","version":2}},"canonical_sha256":"75f15debfc85902b7fab582cfe252bfc175fae4ed7da12b8cff4231c997bfcf7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"75f15debfc85902b7fab582cfe252bfc175fae4ed7da12b8cff4231c997bfcf7","first_computed_at":"2026-05-18T00:05:39.438346Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:39.438346Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qazc0GuUsMyMeViBY6s3V9foENFPPX3ERuvcWMA/QP/j0sDEsVgkYCV5zybVnMi0v12es8FQtG329KFJgd5sDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:39.438763Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.02165","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78166412dd56d8a099e85886bf651a608c3a28db33cd948d3905f89bd62b721f","sha256:94cb54e6866d53dc7ffaf1e1fd75755341cad847987f299742fe6486a2903317"],"state_sha256":"de55b13a83d61483108b2b052cddbd1540b67a042c9322cebb917e3ca2626063"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3pUFWq95Tx9xJn1Hux7yMsRO5tNIO+lDiOFa0dKJqnjfSfv1r/BZ/ZYfhz+Pm68JYQOJ4HzXj1kbUfvhYUaBCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T06:33:41.678569Z","bundle_sha256":"41859254a71c4bda8dbe32330cf97d9ef4ea2eb94d8b80fc46ba26a8f3878fe6"}}