{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:4ATY77756IPSBCWTQZ2HRMWMS2","short_pith_number":"pith:4ATY7775","canonical_record":{"source":{"id":"2206.00215","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-01T03:48:50Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"1a99062a94a655a2cedb79ac247df7a384fe4e0552a77b028a979a8a27f5ab7c","abstract_canon_sha256":"965a08996c18ab0e6a95ff2f0487027e8b56b550188898f43994911c59b923a6"},"schema_version":"1.0"},"canonical_sha256":"e0278ffffdf21f208ad3867478b2cc969876d72d417a122e16a07a4ac52acbc2","source":{"kind":"arxiv","id":"2206.00215","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.00215","created_at":"2026-07-05T07:39:25Z"},{"alias_kind":"arxiv_version","alias_value":"2206.00215v3","created_at":"2026-07-05T07:39:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.00215","created_at":"2026-07-05T07:39:25Z"},{"alias_kind":"pith_short_12","alias_value":"4ATY77756IPS","created_at":"2026-07-05T07:39:25Z"},{"alias_kind":"pith_short_16","alias_value":"4ATY77756IPSBCWT","created_at":"2026-07-05T07:39:25Z"},{"alias_kind":"pith_short_8","alias_value":"4ATY7775","created_at":"2026-07-05T07:39:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:4ATY77756IPSBCWTQZ2HRMWMS2","target":"record","payload":{"canonical_record":{"source":{"id":"2206.00215","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-01T03:48:50Z","cross_cats_sorted":["cs.ET"],"title_canon_sha256":"1a99062a94a655a2cedb79ac247df7a384fe4e0552a77b028a979a8a27f5ab7c","abstract_canon_sha256":"965a08996c18ab0e6a95ff2f0487027e8b56b550188898f43994911c59b923a6"},"schema_version":"1.0"},"canonical_sha256":"e0278ffffdf21f208ad3867478b2cc969876d72d417a122e16a07a4ac52acbc2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:39:25.070007Z","signature_b64":"sfNC5gmGJkG434PQfAqW60c+r0yTaauvHK8TsrqSWQdBEma8hLpHieL+pmjavSWD8iOxeMvRFS3reZrVXjM5BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0278ffffdf21f208ad3867478b2cc969876d72d417a122e16a07a4ac52acbc2","last_reissued_at":"2026-07-05T07:39:25.069510Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:39:25.069510Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.00215","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":"2026-07-05T07:39:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jufQggu4vZ7Qx9HJsAvwdj/m92XYviuKoRf8hw1MUC/j3Yl8843jSB+9EqlEq4yEe+L12SZNZ9DJsPFgbzH3Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:26:02.679721Z"},"content_sha256":"3fb95c7af0f438332121731b25e05eeea84614a345a33f17cfc24dd56a08eb98","schema_version":"1.0","event_id":"sha256:3fb95c7af0f438332121731b25e05eeea84614a345a33f17cfc24dd56a08eb98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:4ATY77756IPSBCWTQZ2HRMWMS2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Error Mitigation by Pauli Check Sandwiching","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.ET"],"primary_cat":"quant-ph","authors_text":"Alvin Gonzales, Martin Suchara, Ruslan Shaydulin, Zain Saleem","submitted_at":"2022-06-01T03:48:50Z","abstract_excerpt":"We describe and analyze an error mitigation technique that uses multiple pairs of parity checks to detect the presence of errors. Each pair of checks uses one ancilla qubit to detect a component of the error operator and represents one layer of the technique. We build on the results on extended flag gadgets and put it on a firm theoretical foundation. We prove that this technique can recover the noiseless state under the assumption of noise not affecting the checks. The method does not incur any encoding overhead and instead chooses the checks based on the input circuit. We provide an algorith"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.00215","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/2206.00215/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":"2026-07-05T07:39:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vkTtc8RbEHF1PpJR7Ja/RPr5XiszYQSa9cWgsSQG4oQQzsJKM/D6KirnZlr4RPxCSPxGmZBmyz5osi4/6y+dDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:26:02.680227Z"},"content_sha256":"43b033c035ec21b4dad2b8bced0edbd07efbd54a9fbc2ddbc7360e7ef1bb6616","schema_version":"1.0","event_id":"sha256:43b033c035ec21b4dad2b8bced0edbd07efbd54a9fbc2ddbc7360e7ef1bb6616"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4ATY77756IPSBCWTQZ2HRMWMS2/bundle.json","state_url":"https://pith.science/pith/4ATY77756IPSBCWTQZ2HRMWMS2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4ATY77756IPSBCWTQZ2HRMWMS2/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":"2026-08-12T23:26:02Z","links":{"resolver":"https://pith.science/pith/4ATY77756IPSBCWTQZ2HRMWMS2","bundle":"https://pith.science/pith/4ATY77756IPSBCWTQZ2HRMWMS2/bundle.json","state":"https://pith.science/pith/4ATY77756IPSBCWTQZ2HRMWMS2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4ATY77756IPSBCWTQZ2HRMWMS2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:4ATY77756IPSBCWTQZ2HRMWMS2","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":"965a08996c18ab0e6a95ff2f0487027e8b56b550188898f43994911c59b923a6","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-01T03:48:50Z","title_canon_sha256":"1a99062a94a655a2cedb79ac247df7a384fe4e0552a77b028a979a8a27f5ab7c"},"schema_version":"1.0","source":{"id":"2206.00215","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.00215","created_at":"2026-07-05T07:39:25Z"},{"alias_kind":"arxiv_version","alias_value":"2206.00215v3","created_at":"2026-07-05T07:39:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.00215","created_at":"2026-07-05T07:39:25Z"},{"alias_kind":"pith_short_12","alias_value":"4ATY77756IPS","created_at":"2026-07-05T07:39:25Z"},{"alias_kind":"pith_short_16","alias_value":"4ATY77756IPSBCWT","created_at":"2026-07-05T07:39:25Z"},{"alias_kind":"pith_short_8","alias_value":"4ATY7775","created_at":"2026-07-05T07:39:25Z"}],"graph_snapshots":[{"event_id":"sha256:43b033c035ec21b4dad2b8bced0edbd07efbd54a9fbc2ddbc7360e7ef1bb6616","target":"graph","created_at":"2026-07-05T07:39:25Z","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/2206.00215/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe and analyze an error mitigation technique that uses multiple pairs of parity checks to detect the presence of errors. Each pair of checks uses one ancilla qubit to detect a component of the error operator and represents one layer of the technique. We build on the results on extended flag gadgets and put it on a firm theoretical foundation. We prove that this technique can recover the noiseless state under the assumption of noise not affecting the checks. The method does not incur any encoding overhead and instead chooses the checks based on the input circuit. We provide an algorith","authors_text":"Alvin Gonzales, Martin Suchara, Ruslan Shaydulin, Zain Saleem","cross_cats":["cs.ET"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-01T03:48:50Z","title":"Quantum Error Mitigation by Pauli Check Sandwiching"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.00215","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":"sha256:3fb95c7af0f438332121731b25e05eeea84614a345a33f17cfc24dd56a08eb98","target":"record","created_at":"2026-07-05T07:39:25Z","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":"965a08996c18ab0e6a95ff2f0487027e8b56b550188898f43994911c59b923a6","cross_cats_sorted":["cs.ET"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-06-01T03:48:50Z","title_canon_sha256":"1a99062a94a655a2cedb79ac247df7a384fe4e0552a77b028a979a8a27f5ab7c"},"schema_version":"1.0","source":{"id":"2206.00215","kind":"arxiv","version":3}},"canonical_sha256":"e0278ffffdf21f208ad3867478b2cc969876d72d417a122e16a07a4ac52acbc2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0278ffffdf21f208ad3867478b2cc969876d72d417a122e16a07a4ac52acbc2","first_computed_at":"2026-07-05T07:39:25.069510Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:39:25.069510Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sfNC5gmGJkG434PQfAqW60c+r0yTaauvHK8TsrqSWQdBEma8hLpHieL+pmjavSWD8iOxeMvRFS3reZrVXjM5BA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:39:25.070007Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.00215","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3fb95c7af0f438332121731b25e05eeea84614a345a33f17cfc24dd56a08eb98","sha256:43b033c035ec21b4dad2b8bced0edbd07efbd54a9fbc2ddbc7360e7ef1bb6616"],"state_sha256":"dc62ebc4aa4a9f4bf1ae16dbdd1b314817ac429bf72b414ecf09113b13328a82"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rqrT3/cI0KOI1tikj9brDUJJLWL2zkI5JIC1NaCSinLuW4j/+Ydi7VRWfGOyLOAkmznPlFVjbkKNlgoZH1V5Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T23:26:02.685111Z","bundle_sha256":"17e4ee53f657b2c187581795c26aa49dfbc1553e4ec474e76db1634b9eb11698"}}