{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:X4KXP4YU2FTBICTRMXM5ECY75M","short_pith_number":"pith:X4KXP4YU","canonical_record":{"source":{"id":"1411.5542","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-11-20T13:31:48Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"818cdb8eb6354839dc95baed2772e5a3d25a19a0ba5f9cbc29826609aeac54d4","abstract_canon_sha256":"d95d8d99855555367457f5e638f024034a70324ded8b7846da6f25d97808d48d"},"schema_version":"1.0"},"canonical_sha256":"bf1577f314d166140a7165d9d20b1feb08851cee19a028fb44e43fd9c96c67ad","source":{"kind":"arxiv","id":"1411.5542","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5542","created_at":"2026-05-18T02:17:33Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5542v1","created_at":"2026-05-18T02:17:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5542","created_at":"2026-05-18T02:17:33Z"},{"alias_kind":"pith_short_12","alias_value":"X4KXP4YU2FTB","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"X4KXP4YU2FTBICTR","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"X4KXP4YU","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:X4KXP4YU2FTBICTRMXM5ECY75M","target":"record","payload":{"canonical_record":{"source":{"id":"1411.5542","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-11-20T13:31:48Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"818cdb8eb6354839dc95baed2772e5a3d25a19a0ba5f9cbc29826609aeac54d4","abstract_canon_sha256":"d95d8d99855555367457f5e638f024034a70324ded8b7846da6f25d97808d48d"},"schema_version":"1.0"},"canonical_sha256":"bf1577f314d166140a7165d9d20b1feb08851cee19a028fb44e43fd9c96c67ad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:17:33.469896Z","signature_b64":"30hjnfYtjR/G6gXY03Lvcm2ualGAJYBqbQTYLCEyY5X1LQo+jL08qqyEVagyO8pF0b+i/i1kGm2hM9rKY1xxDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf1577f314d166140a7165d9d20b1feb08851cee19a028fb44e43fd9c96c67ad","last_reissued_at":"2026-05-18T02:17:33.469144Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:17:33.469144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.5542","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":"2026-05-18T02:17:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jWowwdVDqP782WktRM7XgdLC4Nzywcg5z2qz+Ri1ekJUsNTwkVtmShCdXTxipKSJIttc9by7kcGwlY9x9WbFCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:48:31.449690Z"},"content_sha256":"d3d2bf772e2b555c052626edf9ba5714fe07ddd27d6787732b77eb3c38a831dd","schema_version":"1.0","event_id":"sha256:d3d2bf772e2b555c052626edf9ba5714fe07ddd27d6787732b77eb3c38a831dd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:X4KXP4YU2FTBICTRMXM5ECY75M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detecting bit-flip errors in a logical qubit using stabilizer measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"A. Bruno, D. Rist\\`e, L. DiCarlo, M.-Z. Huang, O.-P. Saira, S. Poletto, V. Vesterinen","submitted_at":"2014-11-20T13:31:48Z","abstract_excerpt":"Quantum data is susceptible to decoherence induced by the environment and to errors in the hardware processing it. A future fault-tolerant quantum computer will use quantum error correction (QEC) to actively protect against both. In the smallest QEC codes, the information in one logical qubit is encoded in a two-dimensional subspace of a larger Hilbert space of multiple physical qubits. For each code, a set of non-demolition multi-qubit measurements, termed stabilizers, can discretize and signal physical qubit errors without collapsing the encoded information. Experimental demonstrations of QE"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5542","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":""},"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":"2026-05-18T02:17:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"01HlRrW4RkBYALD5t7PrKUuvTeVrLrfy8U9G4DexdSpqGjWiKh39zU0tMK7xQ1SMjksplE1/d6R/soh1pRibBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:48:31.450046Z"},"content_sha256":"4f9a3b19ad5ca802712299904117b6e2e6c7a8b105e2ab0265a4f308ad1e44a2","schema_version":"1.0","event_id":"sha256:4f9a3b19ad5ca802712299904117b6e2e6c7a8b105e2ab0265a4f308ad1e44a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X4KXP4YU2FTBICTRMXM5ECY75M/bundle.json","state_url":"https://pith.science/pith/X4KXP4YU2FTBICTRMXM5ECY75M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X4KXP4YU2FTBICTRMXM5ECY75M/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":"2026-06-01T03:48:31Z","links":{"resolver":"https://pith.science/pith/X4KXP4YU2FTBICTRMXM5ECY75M","bundle":"https://pith.science/pith/X4KXP4YU2FTBICTRMXM5ECY75M/bundle.json","state":"https://pith.science/pith/X4KXP4YU2FTBICTRMXM5ECY75M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X4KXP4YU2FTBICTRMXM5ECY75M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:X4KXP4YU2FTBICTRMXM5ECY75M","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":"d95d8d99855555367457f5e638f024034a70324ded8b7846da6f25d97808d48d","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-11-20T13:31:48Z","title_canon_sha256":"818cdb8eb6354839dc95baed2772e5a3d25a19a0ba5f9cbc29826609aeac54d4"},"schema_version":"1.0","source":{"id":"1411.5542","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.5542","created_at":"2026-05-18T02:17:33Z"},{"alias_kind":"arxiv_version","alias_value":"1411.5542v1","created_at":"2026-05-18T02:17:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.5542","created_at":"2026-05-18T02:17:33Z"},{"alias_kind":"pith_short_12","alias_value":"X4KXP4YU2FTB","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"X4KXP4YU2FTBICTR","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"X4KXP4YU","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:4f9a3b19ad5ca802712299904117b6e2e6c7a8b105e2ab0265a4f308ad1e44a2","target":"graph","created_at":"2026-05-18T02:17:33Z","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":"Quantum data is susceptible to decoherence induced by the environment and to errors in the hardware processing it. A future fault-tolerant quantum computer will use quantum error correction (QEC) to actively protect against both. In the smallest QEC codes, the information in one logical qubit is encoded in a two-dimensional subspace of a larger Hilbert space of multiple physical qubits. For each code, a set of non-demolition multi-qubit measurements, termed stabilizers, can discretize and signal physical qubit errors without collapsing the encoded information. Experimental demonstrations of QE","authors_text":"A. Bruno, D. Rist\\`e, L. DiCarlo, M.-Z. Huang, O.-P. Saira, S. Poletto, V. Vesterinen","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-11-20T13:31:48Z","title":"Detecting bit-flip errors in a logical qubit using stabilizer measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.5542","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:d3d2bf772e2b555c052626edf9ba5714fe07ddd27d6787732b77eb3c38a831dd","target":"record","created_at":"2026-05-18T02:17:33Z","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":"d95d8d99855555367457f5e638f024034a70324ded8b7846da6f25d97808d48d","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-11-20T13:31:48Z","title_canon_sha256":"818cdb8eb6354839dc95baed2772e5a3d25a19a0ba5f9cbc29826609aeac54d4"},"schema_version":"1.0","source":{"id":"1411.5542","kind":"arxiv","version":1}},"canonical_sha256":"bf1577f314d166140a7165d9d20b1feb08851cee19a028fb44e43fd9c96c67ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf1577f314d166140a7165d9d20b1feb08851cee19a028fb44e43fd9c96c67ad","first_computed_at":"2026-05-18T02:17:33.469144Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:17:33.469144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"30hjnfYtjR/G6gXY03Lvcm2ualGAJYBqbQTYLCEyY5X1LQo+jL08qqyEVagyO8pF0b+i/i1kGm2hM9rKY1xxDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:17:33.469896Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.5542","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3d2bf772e2b555c052626edf9ba5714fe07ddd27d6787732b77eb3c38a831dd","sha256:4f9a3b19ad5ca802712299904117b6e2e6c7a8b105e2ab0265a4f308ad1e44a2"],"state_sha256":"931043889c8f10dc9379de0e917671730f8fea2e729684ac0f75a58b2d0d9951"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o6qA1ipbyE8vbY4X3OnzquKbltrVXmHbNrZx0HlISFPAawpwChRR+QOVW9KEZ+YAbSMaPyS8UFT99XLw6Z/mBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T03:48:31.451977Z","bundle_sha256":"a124f196aa6bd2f389907f4a9f41a6308801ed0acfae7328ae10971d461bbc2b"}}