{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:6E33EBVDZ34XSHESHJ5W7CUTHJ","short_pith_number":"pith:6E33EBVD","canonical_record":{"source":{"id":"2405.09287","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-15T12:15:21Z","cross_cats_sorted":[],"title_canon_sha256":"ea7155f5b9e0854929720fffd3cfcfd91344961ba5a17bb1c60f60db3c449c66","abstract_canon_sha256":"c8b3cc530011050e9e37b73ad3364c0d5eadb3a1e053855e360f7c167a99dec3"},"schema_version":"1.0"},"canonical_sha256":"f137b206a3cef9791c923a7b6f8a933a4c42f99b9e31d49801b48eee9d558452","source":{"kind":"arxiv","id":"2405.09287","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.09287","created_at":"2026-07-05T10:13:00Z"},{"alias_kind":"arxiv_version","alias_value":"2405.09287v2","created_at":"2026-07-05T10:13:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.09287","created_at":"2026-07-05T10:13:00Z"},{"alias_kind":"pith_short_12","alias_value":"6E33EBVDZ34X","created_at":"2026-07-05T10:13:00Z"},{"alias_kind":"pith_short_16","alias_value":"6E33EBVDZ34XSHES","created_at":"2026-07-05T10:13:00Z"},{"alias_kind":"pith_short_8","alias_value":"6E33EBVD","created_at":"2026-07-05T10:13:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:6E33EBVDZ34XSHESHJ5W7CUTHJ","target":"record","payload":{"canonical_record":{"source":{"id":"2405.09287","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-15T12:15:21Z","cross_cats_sorted":[],"title_canon_sha256":"ea7155f5b9e0854929720fffd3cfcfd91344961ba5a17bb1c60f60db3c449c66","abstract_canon_sha256":"c8b3cc530011050e9e37b73ad3364c0d5eadb3a1e053855e360f7c167a99dec3"},"schema_version":"1.0"},"canonical_sha256":"f137b206a3cef9791c923a7b6f8a933a4c42f99b9e31d49801b48eee9d558452","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:13:00.476287Z","signature_b64":"yuCoVLI9XjmtZxpZVZ1l09ZwerpmHqNvcY2ChGC/HNEreB2e2JmOaQCl4xhCJkd0UT8T02VcaxHm72iz2Uy0AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f137b206a3cef9791c923a7b6f8a933a4c42f99b9e31d49801b48eee9d558452","last_reissued_at":"2026-07-05T10:13:00.475746Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:13:00.475746Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.09287","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":"2026-07-05T10:13:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+x+Val8Rasv4qlnSVUoapMw1yzlIYtOcEBoxiTtortc1fnaw2fbK0pGLUqX+rfU+vW7xtmJm/N9+Uuyz2xkiDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:23:19.278307Z"},"content_sha256":"7ade960700f599763e3ebe67e0dc364c33a66288181f2683acc9a930ed6e3ce6","schema_version":"1.0","event_id":"sha256:7ade960700f599763e3ebe67e0dc364c33a66288181f2683acc9a930ed6e3ce6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:6E33EBVDZ34XSHESHJ5W7CUTHJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Logical coherence in 2D compass codes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Balint Pato, J. Wilson Staples, Kenneth R. Brown","submitted_at":"2024-05-15T12:15:21Z","abstract_excerpt":"2D compass codes are a family of quantum error-correcting codes that contain the Bacon-Shor codes, the $X$-Shor and $Z$-Shor codes, and the rotated surface codes. Previous numerical results suggest that the surface code has a constant accuracy and coherence threshold under uniform coherent rotation. However, having analytical proof supporting a constant threshold is still an open problem. It is analytically proven that the toric code can exponentially suppress logical coherence in the code distance $L$. However, the current analytical lower bound on the threshold for the rotation angle $\\theta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.09287","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/2405.09287/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":"2026-07-05T10:13:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GtdNp8af2qqtQPE1kK8ESxODNVxGR2LZrIIpYIenf+09AAu0IhPwxkeTx6VhLw+yyvWLvPGlFAZFG7gk4gCWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T19:23:19.343353Z"},"content_sha256":"703a85c603e906123167b791d53ca66c763c63c465d933cee06f295714739c28","schema_version":"1.0","event_id":"sha256:703a85c603e906123167b791d53ca66c763c63c465d933cee06f295714739c28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6E33EBVDZ34XSHESHJ5W7CUTHJ/bundle.json","state_url":"https://pith.science/pith/6E33EBVDZ34XSHESHJ5W7CUTHJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6E33EBVDZ34XSHESHJ5W7CUTHJ/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":"2026-08-10T19:23:19Z","links":{"resolver":"https://pith.science/pith/6E33EBVDZ34XSHESHJ5W7CUTHJ","bundle":"https://pith.science/pith/6E33EBVDZ34XSHESHJ5W7CUTHJ/bundle.json","state":"https://pith.science/pith/6E33EBVDZ34XSHESHJ5W7CUTHJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6E33EBVDZ34XSHESHJ5W7CUTHJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:6E33EBVDZ34XSHESHJ5W7CUTHJ","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":"c8b3cc530011050e9e37b73ad3364c0d5eadb3a1e053855e360f7c167a99dec3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-15T12:15:21Z","title_canon_sha256":"ea7155f5b9e0854929720fffd3cfcfd91344961ba5a17bb1c60f60db3c449c66"},"schema_version":"1.0","source":{"id":"2405.09287","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.09287","created_at":"2026-07-05T10:13:00Z"},{"alias_kind":"arxiv_version","alias_value":"2405.09287v2","created_at":"2026-07-05T10:13:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.09287","created_at":"2026-07-05T10:13:00Z"},{"alias_kind":"pith_short_12","alias_value":"6E33EBVDZ34X","created_at":"2026-07-05T10:13:00Z"},{"alias_kind":"pith_short_16","alias_value":"6E33EBVDZ34XSHES","created_at":"2026-07-05T10:13:00Z"},{"alias_kind":"pith_short_8","alias_value":"6E33EBVD","created_at":"2026-07-05T10:13:00Z"}],"graph_snapshots":[{"event_id":"sha256:703a85c603e906123167b791d53ca66c763c63c465d933cee06f295714739c28","target":"graph","created_at":"2026-07-05T10:13:00Z","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/2405.09287/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"2D compass codes are a family of quantum error-correcting codes that contain the Bacon-Shor codes, the $X$-Shor and $Z$-Shor codes, and the rotated surface codes. Previous numerical results suggest that the surface code has a constant accuracy and coherence threshold under uniform coherent rotation. However, having analytical proof supporting a constant threshold is still an open problem. It is analytically proven that the toric code can exponentially suppress logical coherence in the code distance $L$. However, the current analytical lower bound on the threshold for the rotation angle $\\theta","authors_text":"Balint Pato, J. Wilson Staples, Kenneth R. Brown","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-15T12:15:21Z","title":"Logical coherence in 2D compass codes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.09287","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":"sha256:7ade960700f599763e3ebe67e0dc364c33a66288181f2683acc9a930ed6e3ce6","target":"record","created_at":"2026-07-05T10:13:00Z","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":"c8b3cc530011050e9e37b73ad3364c0d5eadb3a1e053855e360f7c167a99dec3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-05-15T12:15:21Z","title_canon_sha256":"ea7155f5b9e0854929720fffd3cfcfd91344961ba5a17bb1c60f60db3c449c66"},"schema_version":"1.0","source":{"id":"2405.09287","kind":"arxiv","version":2}},"canonical_sha256":"f137b206a3cef9791c923a7b6f8a933a4c42f99b9e31d49801b48eee9d558452","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f137b206a3cef9791c923a7b6f8a933a4c42f99b9e31d49801b48eee9d558452","first_computed_at":"2026-07-05T10:13:00.475746Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:13:00.475746Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yuCoVLI9XjmtZxpZVZ1l09ZwerpmHqNvcY2ChGC/HNEreB2e2JmOaQCl4xhCJkd0UT8T02VcaxHm72iz2Uy0AQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:13:00.476287Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.09287","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ade960700f599763e3ebe67e0dc364c33a66288181f2683acc9a930ed6e3ce6","sha256:703a85c603e906123167b791d53ca66c763c63c465d933cee06f295714739c28"],"state_sha256":"ea4d9d9507d84ab008de069e2ae941cd14ac328a502d49596ba2f267ce3cc710"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cihw7PrhZ/jBokKmjE/T2mZoniQ+gSUs+DenlRaqP/jLuJKMxQTdgU5lsura4pCYrHOmg529E3XORZt1obtdAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T19:23:19.372271Z","bundle_sha256":"c1484955e1fcb8bcf7c68f92fa26a479b875d3b75a8cc6eb8b14d316ecab9108"}}