{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:K7ILMEVAACVQIJLXXUTDYZNMAV","short_pith_number":"pith:K7ILMEVA","canonical_record":{"source":{"id":"2010.08699","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-10-17T02:58:37Z","cross_cats_sorted":[],"title_canon_sha256":"888b80750e534f04b2fb17a93c9a28c35dc8ff068a852991596384e8f8790387","abstract_canon_sha256":"f047c55635b3fa167795852c6efe6701b25fcbd78c7442102328fcc932b5a6eb"},"schema_version":"1.0"},"canonical_sha256":"57d0b612a000ab042577bd263c65ac054e5bfaa5f1aeb85f7a52adfc2a675827","source":{"kind":"arxiv","id":"2010.08699","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.08699","created_at":"2026-07-05T02:09:13Z"},{"alias_kind":"arxiv_version","alias_value":"2010.08699v1","created_at":"2026-07-05T02:09:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.08699","created_at":"2026-07-05T02:09:13Z"},{"alias_kind":"pith_short_12","alias_value":"K7ILMEVAACVQ","created_at":"2026-07-05T02:09:13Z"},{"alias_kind":"pith_short_16","alias_value":"K7ILMEVAACVQIJLX","created_at":"2026-07-05T02:09:13Z"},{"alias_kind":"pith_short_8","alias_value":"K7ILMEVA","created_at":"2026-07-05T02:09:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:K7ILMEVAACVQIJLXXUTDYZNMAV","target":"record","payload":{"canonical_record":{"source":{"id":"2010.08699","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-10-17T02:58:37Z","cross_cats_sorted":[],"title_canon_sha256":"888b80750e534f04b2fb17a93c9a28c35dc8ff068a852991596384e8f8790387","abstract_canon_sha256":"f047c55635b3fa167795852c6efe6701b25fcbd78c7442102328fcc932b5a6eb"},"schema_version":"1.0"},"canonical_sha256":"57d0b612a000ab042577bd263c65ac054e5bfaa5f1aeb85f7a52adfc2a675827","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:09:13.870106Z","signature_b64":"ZQzOGRR2quirVQv039FjlzyS8pxZKtDpGOK8381jwjX1qFlYLrtMKmaEf0MinE/LPXwEsU+e2am0lIgXVf4xBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57d0b612a000ab042577bd263c65ac054e5bfaa5f1aeb85f7a52adfc2a675827","last_reissued_at":"2026-07-05T02:09:13.869635Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:09:13.869635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.08699","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":"2026-07-05T02:09:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BhpeDMRRei+j6dFeAw9JTXHaAOW2WmXSpukDF8tH0MaJFQh6WM/sTQO9c1u3sK32WD4Wj5ZaF3kYXcWuCN3aAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:48:32.641727Z"},"content_sha256":"eb23317bd60fd58fa28deef9103cf9c6707182acd443e625fb3769317b641776","schema_version":"1.0","event_id":"sha256:eb23317bd60fd58fa28deef9103cf9c6707182acd443e625fb3769317b641776"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:K7ILMEVAACVQIJLXXUTDYZNMAV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bosonic quantum error correction codes in superconducting quantum circuits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"C.-L. Zou, L. Sun, W. Cai, W. Wang, Y. Ma","submitted_at":"2020-10-17T02:58:37Z","abstract_excerpt":"Quantum information is vulnerable to environmental noise and experimental imperfections, hindering the reliability of practical quantum information processors. Therefore, quantum error correction (QEC) that can protect quantum information against noise is vital for universal and scalable quantum computation. Among many different experimental platforms, superconducting quantum circuits and bosonic encodings in superconducting microwave modes are appealing for their unprecedented potential in QEC. During the last few years, bosonic QEC is demonstrated to reach the break-even point, i.e. the life"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.08699","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/2010.08699/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":"2026-07-05T02:09:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kX2LmFW3HY81hZtUjuW1tMchleXsDhhh9jJdIsIvimtzYyjYc1ojqnktoXS+wHxhsGvDdDrPJGAvwK9Sshn4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:48:32.642535Z"},"content_sha256":"660a76e534461f70d55000bfcdf4aef3a9407c5cb388a53ad94d00719b40e122","schema_version":"1.0","event_id":"sha256:660a76e534461f70d55000bfcdf4aef3a9407c5cb388a53ad94d00719b40e122"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K7ILMEVAACVQIJLXXUTDYZNMAV/bundle.json","state_url":"https://pith.science/pith/K7ILMEVAACVQIJLXXUTDYZNMAV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K7ILMEVAACVQIJLXXUTDYZNMAV/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":"2026-08-03T17:48:32Z","links":{"resolver":"https://pith.science/pith/K7ILMEVAACVQIJLXXUTDYZNMAV","bundle":"https://pith.science/pith/K7ILMEVAACVQIJLXXUTDYZNMAV/bundle.json","state":"https://pith.science/pith/K7ILMEVAACVQIJLXXUTDYZNMAV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K7ILMEVAACVQIJLXXUTDYZNMAV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:K7ILMEVAACVQIJLXXUTDYZNMAV","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":"f047c55635b3fa167795852c6efe6701b25fcbd78c7442102328fcc932b5a6eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-10-17T02:58:37Z","title_canon_sha256":"888b80750e534f04b2fb17a93c9a28c35dc8ff068a852991596384e8f8790387"},"schema_version":"1.0","source":{"id":"2010.08699","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.08699","created_at":"2026-07-05T02:09:13Z"},{"alias_kind":"arxiv_version","alias_value":"2010.08699v1","created_at":"2026-07-05T02:09:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.08699","created_at":"2026-07-05T02:09:13Z"},{"alias_kind":"pith_short_12","alias_value":"K7ILMEVAACVQ","created_at":"2026-07-05T02:09:13Z"},{"alias_kind":"pith_short_16","alias_value":"K7ILMEVAACVQIJLX","created_at":"2026-07-05T02:09:13Z"},{"alias_kind":"pith_short_8","alias_value":"K7ILMEVA","created_at":"2026-07-05T02:09:13Z"}],"graph_snapshots":[{"event_id":"sha256:660a76e534461f70d55000bfcdf4aef3a9407c5cb388a53ad94d00719b40e122","target":"graph","created_at":"2026-07-05T02:09:13Z","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/2010.08699/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum information is vulnerable to environmental noise and experimental imperfections, hindering the reliability of practical quantum information processors. Therefore, quantum error correction (QEC) that can protect quantum information against noise is vital for universal and scalable quantum computation. Among many different experimental platforms, superconducting quantum circuits and bosonic encodings in superconducting microwave modes are appealing for their unprecedented potential in QEC. During the last few years, bosonic QEC is demonstrated to reach the break-even point, i.e. the life","authors_text":"C.-L. Zou, L. Sun, W. Cai, W. Wang, Y. Ma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-10-17T02:58:37Z","title":"Bosonic quantum error correction codes in superconducting quantum circuits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.08699","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:eb23317bd60fd58fa28deef9103cf9c6707182acd443e625fb3769317b641776","target":"record","created_at":"2026-07-05T02:09:13Z","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":"f047c55635b3fa167795852c6efe6701b25fcbd78c7442102328fcc932b5a6eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-10-17T02:58:37Z","title_canon_sha256":"888b80750e534f04b2fb17a93c9a28c35dc8ff068a852991596384e8f8790387"},"schema_version":"1.0","source":{"id":"2010.08699","kind":"arxiv","version":1}},"canonical_sha256":"57d0b612a000ab042577bd263c65ac054e5bfaa5f1aeb85f7a52adfc2a675827","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57d0b612a000ab042577bd263c65ac054e5bfaa5f1aeb85f7a52adfc2a675827","first_computed_at":"2026-07-05T02:09:13.869635Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:09:13.869635Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZQzOGRR2quirVQv039FjlzyS8pxZKtDpGOK8381jwjX1qFlYLrtMKmaEf0MinE/LPXwEsU+e2am0lIgXVf4xBw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:09:13.870106Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.08699","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb23317bd60fd58fa28deef9103cf9c6707182acd443e625fb3769317b641776","sha256:660a76e534461f70d55000bfcdf4aef3a9407c5cb388a53ad94d00719b40e122"],"state_sha256":"b39e4f6fb8808b113f62e424654da2928ed2251a1e4eecb67c783917cc334f7e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MQJo9zxSwN0kgTj6y3pGTpHYK4c6inU39bJsUt2uv7i2aWj4/jp/znZrArDJhO1jwcN8JAS6TkwS3e5ck6krDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:48:32.649648Z","bundle_sha256":"4a0d6e57e4274a714b282f757e508182d6ccfd4f734a27b42e3556b2a4a32068"}}