{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:QMCJXCFG4ET3TMERLT7K3QOWYZ","short_pith_number":"pith:QMCJXCFG","canonical_record":{"source":{"id":"2307.06761","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-07-13T14:01:32Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"84778850dfd65b587c6d3d02c273dbb71d855019658bd0218d80abeb6c4e3c39","abstract_canon_sha256":"0facb07ee6213ff700ccb9daa3df8f83ce71a77bdff21a936eca3881e2668726"},"schema_version":"1.0"},"canonical_sha256":"83049b88a6e127b9b0915cfeadc1d6c661789c55679847c527fc917e7397ed60","source":{"kind":"arxiv","id":"2307.06761","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.06761","created_at":"2026-07-05T08:12:44Z"},{"alias_kind":"arxiv_version","alias_value":"2307.06761v3","created_at":"2026-07-05T08:12:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.06761","created_at":"2026-07-05T08:12:44Z"},{"alias_kind":"pith_short_12","alias_value":"QMCJXCFG4ET3","created_at":"2026-07-05T08:12:44Z"},{"alias_kind":"pith_short_16","alias_value":"QMCJXCFG4ET3TMER","created_at":"2026-07-05T08:12:44Z"},{"alias_kind":"pith_short_8","alias_value":"QMCJXCFG","created_at":"2026-07-05T08:12:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:QMCJXCFG4ET3TMERLT7K3QOWYZ","target":"record","payload":{"canonical_record":{"source":{"id":"2307.06761","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-07-13T14:01:32Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"84778850dfd65b587c6d3d02c273dbb71d855019658bd0218d80abeb6c4e3c39","abstract_canon_sha256":"0facb07ee6213ff700ccb9daa3df8f83ce71a77bdff21a936eca3881e2668726"},"schema_version":"1.0"},"canonical_sha256":"83049b88a6e127b9b0915cfeadc1d6c661789c55679847c527fc917e7397ed60","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:12:44.073984Z","signature_b64":"zipLE5F6QM7AYOoU0pLN91v0c4n8u4yEIWHYAdtvMbn0I4AHzo2lWtk8Q7xyVkmqHEHYuEbiJ7lvXiv7+a2VBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83049b88a6e127b9b0915cfeadc1d6c661789c55679847c527fc917e7397ed60","last_reissued_at":"2026-07-05T08:12:44.073486Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:12:44.073486Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.06761","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":"2026-07-05T08:12:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wds5gqaAYO0A+cu8MepTu73Ub5l3DHVoZF2V/SBa5r9lBuua7SHZjPuA5+p8lCYNfSQRAK6QeZlC+QfBS0z/Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:36:34.699210Z"},"content_sha256":"887f8a143cfbb6bd30c358200a4cdf529037414266e2e722c6bc5753e526e8b7","schema_version":"1.0","event_id":"sha256:887f8a143cfbb6bd30c358200a4cdf529037414266e2e722c6bc5753e526e8b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:QMCJXCFG4ET3TMERLT7K3QOWYZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Autoparametric resonance extending the bit-flip time of a cat qubit up to 0.3 s","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Anil Murani, Antoine Essig, Antoine Marquet, Audrey Bienfait, Benjamin Huard, Emanuele Albertinale, Joachim Cohen, Nathana\\\"el Cottet, Rapha\\\"el Lescanne, S\\'ebastien Jezouin, Simon Dupouy, Th\\'eau Peronnin","submitted_at":"2023-07-13T14:01:32Z","abstract_excerpt":"Cat qubits, for which logical $|0\\rangle$ and $|1\\rangle$ are coherent states $|\\pm\\alpha\\rangle$ of a harmonic mode, offer a promising route towards quantum error correction. Using dissipation to our advantage so that photon pairs of the harmonic mode are exchanged with single photons of its environment, it is possible to stabilize the logical states and exponentially increase the bit-flip time of the cat qubit with the photon number $|\\alpha|^2$. Large two-photon dissipation rate $\\kappa_2$ ensures fast qubit manipulation and short error correction cycles, which are instrumental to correct t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.06761","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2307.06761/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":"2026-07-05T08:12:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2dJyfn3HPSluz/MWzl+sXEYMLJx9o0MfJp8MVduzpUehmOeyTH7Kug6kPj/lyCCJNcRAicZVPrv/wDGIMdE2CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T14:36:34.699884Z"},"content_sha256":"e3e68e28f420f132f583d14f1727fa678b5015da5d0e03ce63bcb56a137977f8","schema_version":"1.0","event_id":"sha256:e3e68e28f420f132f583d14f1727fa678b5015da5d0e03ce63bcb56a137977f8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QMCJXCFG4ET3TMERLT7K3QOWYZ/bundle.json","state_url":"https://pith.science/pith/QMCJXCFG4ET3TMERLT7K3QOWYZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QMCJXCFG4ET3TMERLT7K3QOWYZ/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":"2026-07-05T14:36:34Z","links":{"resolver":"https://pith.science/pith/QMCJXCFG4ET3TMERLT7K3QOWYZ","bundle":"https://pith.science/pith/QMCJXCFG4ET3TMERLT7K3QOWYZ/bundle.json","state":"https://pith.science/pith/QMCJXCFG4ET3TMERLT7K3QOWYZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QMCJXCFG4ET3TMERLT7K3QOWYZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:QMCJXCFG4ET3TMERLT7K3QOWYZ","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":"0facb07ee6213ff700ccb9daa3df8f83ce71a77bdff21a936eca3881e2668726","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-07-13T14:01:32Z","title_canon_sha256":"84778850dfd65b587c6d3d02c273dbb71d855019658bd0218d80abeb6c4e3c39"},"schema_version":"1.0","source":{"id":"2307.06761","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.06761","created_at":"2026-07-05T08:12:44Z"},{"alias_kind":"arxiv_version","alias_value":"2307.06761v3","created_at":"2026-07-05T08:12:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.06761","created_at":"2026-07-05T08:12:44Z"},{"alias_kind":"pith_short_12","alias_value":"QMCJXCFG4ET3","created_at":"2026-07-05T08:12:44Z"},{"alias_kind":"pith_short_16","alias_value":"QMCJXCFG4ET3TMER","created_at":"2026-07-05T08:12:44Z"},{"alias_kind":"pith_short_8","alias_value":"QMCJXCFG","created_at":"2026-07-05T08:12:44Z"}],"graph_snapshots":[{"event_id":"sha256:e3e68e28f420f132f583d14f1727fa678b5015da5d0e03ce63bcb56a137977f8","target":"graph","created_at":"2026-07-05T08:12:44Z","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/2307.06761/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cat qubits, for which logical $|0\\rangle$ and $|1\\rangle$ are coherent states $|\\pm\\alpha\\rangle$ of a harmonic mode, offer a promising route towards quantum error correction. Using dissipation to our advantage so that photon pairs of the harmonic mode are exchanged with single photons of its environment, it is possible to stabilize the logical states and exponentially increase the bit-flip time of the cat qubit with the photon number $|\\alpha|^2$. Large two-photon dissipation rate $\\kappa_2$ ensures fast qubit manipulation and short error correction cycles, which are instrumental to correct t","authors_text":"Anil Murani, Antoine Essig, Antoine Marquet, Audrey Bienfait, Benjamin Huard, Emanuele Albertinale, Joachim Cohen, Nathana\\\"el Cottet, Rapha\\\"el Lescanne, S\\'ebastien Jezouin, Simon Dupouy, Th\\'eau Peronnin","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-07-13T14:01:32Z","title":"Autoparametric resonance extending the bit-flip time of a cat qubit up to 0.3 s"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.06761","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":"sha256:887f8a143cfbb6bd30c358200a4cdf529037414266e2e722c6bc5753e526e8b7","target":"record","created_at":"2026-07-05T08:12:44Z","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":"0facb07ee6213ff700ccb9daa3df8f83ce71a77bdff21a936eca3881e2668726","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-07-13T14:01:32Z","title_canon_sha256":"84778850dfd65b587c6d3d02c273dbb71d855019658bd0218d80abeb6c4e3c39"},"schema_version":"1.0","source":{"id":"2307.06761","kind":"arxiv","version":3}},"canonical_sha256":"83049b88a6e127b9b0915cfeadc1d6c661789c55679847c527fc917e7397ed60","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83049b88a6e127b9b0915cfeadc1d6c661789c55679847c527fc917e7397ed60","first_computed_at":"2026-07-05T08:12:44.073486Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:12:44.073486Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zipLE5F6QM7AYOoU0pLN91v0c4n8u4yEIWHYAdtvMbn0I4AHzo2lWtk8Q7xyVkmqHEHYuEbiJ7lvXiv7+a2VBg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:12:44.073984Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.06761","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:887f8a143cfbb6bd30c358200a4cdf529037414266e2e722c6bc5753e526e8b7","sha256:e3e68e28f420f132f583d14f1727fa678b5015da5d0e03ce63bcb56a137977f8"],"state_sha256":"c4396c8abdc497b08ad9e1b556fde680b8e421a2184cd5076358c216c67e103d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f+jM3U2szwpK46qUbTy44kNz3PJnvoliLscIKsK2GXjfkmUDc0jVV75gd2wxIsmKFMWcfAc6ECVo6e1wREOlBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T14:36:34.703730Z","bundle_sha256":"35794edffe24db41b3617fbcae0de8ce913b92ef23ac05cd1441c41fdbc37081"}}