{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:VZPLYBBUHUGBFOPI7HUX3OQZX6","short_pith_number":"pith:VZPLYBBU","canonical_record":{"source":{"id":"2506.09145","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-06-10T18:01:24Z","cross_cats_sorted":[],"title_canon_sha256":"1ed59305e33fdb5f54e95b90bc24c4536f3e33fa189140d490e0b3696e42cbfe","abstract_canon_sha256":"e88393f5aba7e9310a2c86c3d2caa0cf22b691012462972c40c535870d121e16"},"schema_version":"1.0"},"canonical_sha256":"ae5ebc04343d0c12b9e8f9e97dba19bfafaa39c70f754f89b91aa81540357bf6","source":{"kind":"arxiv","id":"2506.09145","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.09145","created_at":"2026-07-03T01:17:11Z"},{"alias_kind":"arxiv_version","alias_value":"2506.09145v2","created_at":"2026-07-03T01:17:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.09145","created_at":"2026-07-03T01:17:11Z"},{"alias_kind":"pith_short_12","alias_value":"VZPLYBBUHUGB","created_at":"2026-07-03T01:17:11Z"},{"alias_kind":"pith_short_16","alias_value":"VZPLYBBUHUGBFOPI","created_at":"2026-07-03T01:17:11Z"},{"alias_kind":"pith_short_8","alias_value":"VZPLYBBU","created_at":"2026-07-03T01:17:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:VZPLYBBUHUGBFOPI7HUX3OQZX6","target":"record","payload":{"canonical_record":{"source":{"id":"2506.09145","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-06-10T18:01:24Z","cross_cats_sorted":[],"title_canon_sha256":"1ed59305e33fdb5f54e95b90bc24c4536f3e33fa189140d490e0b3696e42cbfe","abstract_canon_sha256":"e88393f5aba7e9310a2c86c3d2caa0cf22b691012462972c40c535870d121e16"},"schema_version":"1.0"},"canonical_sha256":"ae5ebc04343d0c12b9e8f9e97dba19bfafaa39c70f754f89b91aa81540357bf6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T01:17:11.837731Z","signature_b64":"mDTibZ4Z3ajAGeJM5UXN3SCKf5WYPrt77zLaemgawauJ9aGfaGNimRmO/Ca3nXrXef346tbtRuBZ8dIJ8RWJCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae5ebc04343d0c12b9e8f9e97dba19bfafaa39c70f754f89b91aa81540357bf6","last_reissued_at":"2026-07-03T01:17:11.837266Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T01:17:11.837266Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.09145","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":"2026-07-03T01:17:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OZM53+bE7szhKe3fUm57OuxcctxSGz6HBpZveZPVbcYqf8Q/cVow20vSiRvI4Q5eq4sJVyuT2OBULyXlnyWsBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T07:05:35.354170Z"},"content_sha256":"87c8661509c4726cd0f82306a90319a6ab5ee83bbd6fa19496c802c53eccd058","schema_version":"1.0","event_id":"sha256:87c8661509c4726cd0f82306a90319a6ab5ee83bbd6fa19496c802c53eccd058"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:VZPLYBBUHUGBFOPI7HUX3OQZX6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mitigating errors in state preparation and measurement with noncomputational states","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Almudena Carrera Vazquez, Conrad J. Haupt, Daniel J. Egger, Laurin E. Fischer, Stefan Woerner","submitted_at":"2025-06-10T18:01:24Z","abstract_excerpt":"Error mitigation has enabled quantum computing applications with over one hundred qubits and deep circuits. Many error mitigation methods are noise-aware, relying on a faithful characterization of the noise channels of the hardware. However, fundamental limitations lead to unlearnable degrees of freedom of the underlying noise models when considering qubits. Here, we show how to leverage non-computational states as an additional resource to learn state-preparation errors in superconducting qubits. This allows one to fully constrain the noise models. We can thus independently and accurately mit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.09145","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2506.09145/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":"2026-07-03T01:17:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CfEbPZk4IuceeanIYZEGd5prRzoSRt2dNli40RfcBSAmqD1wVMWoFn+iuukRavHcj2Bd5rSwuDQfORpiahyABQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T07:05:35.355168Z"},"content_sha256":"5ae460d7e57dbfafb1a8ce7c6715c1da548f80b7f580a5aa2a6d2c8e6f60314e","schema_version":"1.0","event_id":"sha256:5ae460d7e57dbfafb1a8ce7c6715c1da548f80b7f580a5aa2a6d2c8e6f60314e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VZPLYBBUHUGBFOPI7HUX3OQZX6/bundle.json","state_url":"https://pith.science/pith/VZPLYBBUHUGBFOPI7HUX3OQZX6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VZPLYBBUHUGBFOPI7HUX3OQZX6/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":"2026-08-10T07:05:35Z","links":{"resolver":"https://pith.science/pith/VZPLYBBUHUGBFOPI7HUX3OQZX6","bundle":"https://pith.science/pith/VZPLYBBUHUGBFOPI7HUX3OQZX6/bundle.json","state":"https://pith.science/pith/VZPLYBBUHUGBFOPI7HUX3OQZX6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VZPLYBBUHUGBFOPI7HUX3OQZX6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:VZPLYBBUHUGBFOPI7HUX3OQZX6","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":"e88393f5aba7e9310a2c86c3d2caa0cf22b691012462972c40c535870d121e16","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-06-10T18:01:24Z","title_canon_sha256":"1ed59305e33fdb5f54e95b90bc24c4536f3e33fa189140d490e0b3696e42cbfe"},"schema_version":"1.0","source":{"id":"2506.09145","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.09145","created_at":"2026-07-03T01:17:11Z"},{"alias_kind":"arxiv_version","alias_value":"2506.09145v2","created_at":"2026-07-03T01:17:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.09145","created_at":"2026-07-03T01:17:11Z"},{"alias_kind":"pith_short_12","alias_value":"VZPLYBBUHUGB","created_at":"2026-07-03T01:17:11Z"},{"alias_kind":"pith_short_16","alias_value":"VZPLYBBUHUGBFOPI","created_at":"2026-07-03T01:17:11Z"},{"alias_kind":"pith_short_8","alias_value":"VZPLYBBU","created_at":"2026-07-03T01:17:11Z"}],"graph_snapshots":[{"event_id":"sha256:5ae460d7e57dbfafb1a8ce7c6715c1da548f80b7f580a5aa2a6d2c8e6f60314e","target":"graph","created_at":"2026-07-03T01:17:11Z","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/2506.09145/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Error mitigation has enabled quantum computing applications with over one hundred qubits and deep circuits. Many error mitigation methods are noise-aware, relying on a faithful characterization of the noise channels of the hardware. However, fundamental limitations lead to unlearnable degrees of freedom of the underlying noise models when considering qubits. Here, we show how to leverage non-computational states as an additional resource to learn state-preparation errors in superconducting qubits. This allows one to fully constrain the noise models. We can thus independently and accurately mit","authors_text":"Almudena Carrera Vazquez, Conrad J. Haupt, Daniel J. Egger, Laurin E. Fischer, Stefan Woerner","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-06-10T18:01:24Z","title":"Mitigating errors in state preparation and measurement with noncomputational states"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.09145","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":"sha256:87c8661509c4726cd0f82306a90319a6ab5ee83bbd6fa19496c802c53eccd058","target":"record","created_at":"2026-07-03T01:17:11Z","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":"e88393f5aba7e9310a2c86c3d2caa0cf22b691012462972c40c535870d121e16","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-06-10T18:01:24Z","title_canon_sha256":"1ed59305e33fdb5f54e95b90bc24c4536f3e33fa189140d490e0b3696e42cbfe"},"schema_version":"1.0","source":{"id":"2506.09145","kind":"arxiv","version":2}},"canonical_sha256":"ae5ebc04343d0c12b9e8f9e97dba19bfafaa39c70f754f89b91aa81540357bf6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae5ebc04343d0c12b9e8f9e97dba19bfafaa39c70f754f89b91aa81540357bf6","first_computed_at":"2026-07-03T01:17:11.837266Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-03T01:17:11.837266Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mDTibZ4Z3ajAGeJM5UXN3SCKf5WYPrt77zLaemgawauJ9aGfaGNimRmO/Ca3nXrXef346tbtRuBZ8dIJ8RWJCA==","signature_status":"signed_v1","signed_at":"2026-07-03T01:17:11.837731Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.09145","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87c8661509c4726cd0f82306a90319a6ab5ee83bbd6fa19496c802c53eccd058","sha256:5ae460d7e57dbfafb1a8ce7c6715c1da548f80b7f580a5aa2a6d2c8e6f60314e"],"state_sha256":"c2997f5cd6b36caa20897e26d06ed98f13389f547e017ded545b7b1ee5719777"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KK8A2hvI0VFlJhfry3IGEhMIirmM7Qe2QnZ6pJhYzlgmAOMNRMXtmNbWGyMv3Y9F/n+qornHTG0zzUz2O0PLDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T07:05:35.359793Z","bundle_sha256":"99ca4fe5c50482879473c69f5139fcb5bc1cf584559305a736346c57ea7d0aab"}}