{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:ZJ5XYYFVYSNPFJGJKB6IERXFNF","short_pith_number":"pith:ZJ5XYYFV","canonical_record":{"source":{"id":"2502.21044","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-02-28T13:39:41Z","cross_cats_sorted":[],"title_canon_sha256":"d40a2660dd708ad263f4c468e99812c48557dc2704f398c63a6c9ab6d69c745a","abstract_canon_sha256":"808a818e906588b6516ba915d776279eacca4d73cc4af92e93beee66d5ddfad2"},"schema_version":"1.0"},"canonical_sha256":"ca7b7c60b5c49af2a4c9507c8246e5697d8986c903009d0ea12a1139ec7a8092","source":{"kind":"arxiv","id":"2502.21044","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.21044","created_at":"2026-07-05T10:42:44Z"},{"alias_kind":"arxiv_version","alias_value":"2502.21044v2","created_at":"2026-07-05T10:42:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.21044","created_at":"2026-07-05T10:42:44Z"},{"alias_kind":"pith_short_12","alias_value":"ZJ5XYYFVYSNP","created_at":"2026-07-05T10:42:44Z"},{"alias_kind":"pith_short_16","alias_value":"ZJ5XYYFVYSNPFJGJ","created_at":"2026-07-05T10:42:44Z"},{"alias_kind":"pith_short_8","alias_value":"ZJ5XYYFV","created_at":"2026-07-05T10:42:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:ZJ5XYYFVYSNPFJGJKB6IERXFNF","target":"record","payload":{"canonical_record":{"source":{"id":"2502.21044","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-02-28T13:39:41Z","cross_cats_sorted":[],"title_canon_sha256":"d40a2660dd708ad263f4c468e99812c48557dc2704f398c63a6c9ab6d69c745a","abstract_canon_sha256":"808a818e906588b6516ba915d776279eacca4d73cc4af92e93beee66d5ddfad2"},"schema_version":"1.0"},"canonical_sha256":"ca7b7c60b5c49af2a4c9507c8246e5697d8986c903009d0ea12a1139ec7a8092","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:42:44.170781Z","signature_b64":"7RYDPuioyEOilFwTG/bIUWpGBDHyQr92fflDMuLz8b6aaDSb94S8HXKIl61DesgdLlgXT5CkcwaHDyU8CKPACg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ca7b7c60b5c49af2a4c9507c8246e5697d8986c903009d0ea12a1139ec7a8092","last_reissued_at":"2026-07-05T10:42:44.170222Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:42:44.170222Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.21044","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":"2026-07-05T10:42:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Lg+msjTHmbME8nOc9ycPAMeRXUiJQsP/j5vm4jMvk0od2m6+4E4bxUsV+ghZqDiWzPQLikZeVlwacUehS9SCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:44:35.579481Z"},"content_sha256":"614ae0787bfb6815e0d52a2a0d532a5b1422fb5d68a7c55af83400e4e65830d5","schema_version":"1.0","event_id":"sha256:614ae0787bfb6815e0d52a2a0d532a5b1422fb5d68a7c55af83400e4e65830d5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:ZJ5XYYFVYSNPFJGJKB6IERXFNF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Improving error suppression with noise-aware decoding","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Andrew C. Doherty, Evan T. Hockings, Robin Harper","submitted_at":"2025-02-28T13:39:41Z","abstract_excerpt":"We demonstrate that the performance of quantum error correction can be improved with noise-aware decoders that are calibrated to the likelihood of physical error configurations in a device. We show that noise-aware decoding increases the error suppression factor of the surface code, yielding reductions in the logical error rate that increase exponentially with the code distance. Our calibration protocol involves circuit-level Pauli noise characterisation experiments with averaged circuit eigenvalue sampling. This enables decoder calibration at the scales required for fault-tolerant quantum com"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.21044","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/2502.21044/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":"2026-07-05T10:42:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"orgnTpJThnMVwcZjdQNb4HhRLyri1FY4nX2A+cLJXtNMiQnbJPje0zdcVl3UVOC62IEv5GCpGEbcu0viZCjRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:44:35.580114Z"},"content_sha256":"265756b10384a9e21c4973016b955dbfdaf2cf430a7998240e51290224918484","schema_version":"1.0","event_id":"sha256:265756b10384a9e21c4973016b955dbfdaf2cf430a7998240e51290224918484"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZJ5XYYFVYSNPFJGJKB6IERXFNF/bundle.json","state_url":"https://pith.science/pith/ZJ5XYYFVYSNPFJGJKB6IERXFNF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZJ5XYYFVYSNPFJGJKB6IERXFNF/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":"2026-08-06T04:44:35Z","links":{"resolver":"https://pith.science/pith/ZJ5XYYFVYSNPFJGJKB6IERXFNF","bundle":"https://pith.science/pith/ZJ5XYYFVYSNPFJGJKB6IERXFNF/bundle.json","state":"https://pith.science/pith/ZJ5XYYFVYSNPFJGJKB6IERXFNF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZJ5XYYFVYSNPFJGJKB6IERXFNF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:ZJ5XYYFVYSNPFJGJKB6IERXFNF","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":"808a818e906588b6516ba915d776279eacca4d73cc4af92e93beee66d5ddfad2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-02-28T13:39:41Z","title_canon_sha256":"d40a2660dd708ad263f4c468e99812c48557dc2704f398c63a6c9ab6d69c745a"},"schema_version":"1.0","source":{"id":"2502.21044","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.21044","created_at":"2026-07-05T10:42:44Z"},{"alias_kind":"arxiv_version","alias_value":"2502.21044v2","created_at":"2026-07-05T10:42:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.21044","created_at":"2026-07-05T10:42:44Z"},{"alias_kind":"pith_short_12","alias_value":"ZJ5XYYFVYSNP","created_at":"2026-07-05T10:42:44Z"},{"alias_kind":"pith_short_16","alias_value":"ZJ5XYYFVYSNPFJGJ","created_at":"2026-07-05T10:42:44Z"},{"alias_kind":"pith_short_8","alias_value":"ZJ5XYYFV","created_at":"2026-07-05T10:42:44Z"}],"graph_snapshots":[{"event_id":"sha256:265756b10384a9e21c4973016b955dbfdaf2cf430a7998240e51290224918484","target":"graph","created_at":"2026-07-05T10:42:44Z","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/2502.21044/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We demonstrate that the performance of quantum error correction can be improved with noise-aware decoders that are calibrated to the likelihood of physical error configurations in a device. We show that noise-aware decoding increases the error suppression factor of the surface code, yielding reductions in the logical error rate that increase exponentially with the code distance. Our calibration protocol involves circuit-level Pauli noise characterisation experiments with averaged circuit eigenvalue sampling. This enables decoder calibration at the scales required for fault-tolerant quantum com","authors_text":"Andrew C. Doherty, Evan T. Hockings, Robin Harper","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-02-28T13:39:41Z","title":"Improving error suppression with noise-aware decoding"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.21044","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":"sha256:614ae0787bfb6815e0d52a2a0d532a5b1422fb5d68a7c55af83400e4e65830d5","target":"record","created_at":"2026-07-05T10:42:44Z","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":"808a818e906588b6516ba915d776279eacca4d73cc4af92e93beee66d5ddfad2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2025-02-28T13:39:41Z","title_canon_sha256":"d40a2660dd708ad263f4c468e99812c48557dc2704f398c63a6c9ab6d69c745a"},"schema_version":"1.0","source":{"id":"2502.21044","kind":"arxiv","version":2}},"canonical_sha256":"ca7b7c60b5c49af2a4c9507c8246e5697d8986c903009d0ea12a1139ec7a8092","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca7b7c60b5c49af2a4c9507c8246e5697d8986c903009d0ea12a1139ec7a8092","first_computed_at":"2026-07-05T10:42:44.170222Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:42:44.170222Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7RYDPuioyEOilFwTG/bIUWpGBDHyQr92fflDMuLz8b6aaDSb94S8HXKIl61DesgdLlgXT5CkcwaHDyU8CKPACg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:42:44.170781Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.21044","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:614ae0787bfb6815e0d52a2a0d532a5b1422fb5d68a7c55af83400e4e65830d5","sha256:265756b10384a9e21c4973016b955dbfdaf2cf430a7998240e51290224918484"],"state_sha256":"48c94cae64e99ac3a17778c107de1852c304b11bc5748f3cba0927bdd8f50e2e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eMxMB2RiPhfH1Mb/jnvXOlrCBXE1T0NwxUs2YWdxfSoCCbQt2DwO50AbScTurAT+LNpXMI4100MSzZUbWPxsBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T04:44:35.586566Z","bundle_sha256":"4221fd1c3c80ca7f525fea846d1d4ee78be1c306af131607a3b9dc8fc1b565a4"}}