{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:QS6H5YTNL7MIQGNREETMVZZ5JR","short_pith_number":"pith:QS6H5YTN","canonical_record":{"source":{"id":"2503.13908","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-03-18T05:10:21Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"84fab3b3adb474019f88b70315064bd0a3dce5c0ab8e9dcd05c66d722521b9c2","abstract_canon_sha256":"9770acf8634a6f52a553d1aa2d2a2067c907eb730f26293d2a01a4a385c9427a"},"schema_version":"1.0"},"canonical_sha256":"84bc7ee26d5fd88819b12126cae73d4c56a198bfdba460954d5eba0faca559eb","source":{"kind":"arxiv","id":"2503.13908","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.13908","created_at":"2026-07-05T10:33:21Z"},{"alias_kind":"arxiv_version","alias_value":"2503.13908v1","created_at":"2026-07-05T10:33:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.13908","created_at":"2026-07-05T10:33:21Z"},{"alias_kind":"pith_short_12","alias_value":"QS6H5YTNL7MI","created_at":"2026-07-05T10:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"QS6H5YTNL7MIQGNR","created_at":"2026-07-05T10:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"QS6H5YTN","created_at":"2026-07-05T10:33:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:QS6H5YTNL7MIQGNREETMVZZ5JR","target":"record","payload":{"canonical_record":{"source":{"id":"2503.13908","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-03-18T05:10:21Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"84fab3b3adb474019f88b70315064bd0a3dce5c0ab8e9dcd05c66d722521b9c2","abstract_canon_sha256":"9770acf8634a6f52a553d1aa2d2a2067c907eb730f26293d2a01a4a385c9427a"},"schema_version":"1.0"},"canonical_sha256":"84bc7ee26d5fd88819b12126cae73d4c56a198bfdba460954d5eba0faca559eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:33:21.425955Z","signature_b64":"HbNF9wZd+DUxYYNXnPbFzmQBKpc1mY0si8hwXB3XwXIDf2QwKln6DC9n7wDO4weKjvxfkP55JRi1Qh9I6Lz/DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"84bc7ee26d5fd88819b12126cae73d4c56a198bfdba460954d5eba0faca559eb","last_reissued_at":"2026-07-05T10:33:21.424771Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:33:21.424771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.13908","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":"2026-07-05T10:33:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L2dojgeX1EGkhXLma20mKJyzjgSDaRhwwcyCdClQuax5orbV44bWA6vN3YxuNWD4Qupe6ZNtmfID4vwKMfdoBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T18:03:12.126538Z"},"content_sha256":"0a76c838db0656f56109b2ec106903076258e7aa0dce3233b8b99675f45c1b88","schema_version":"1.0","event_id":"sha256:0a76c838db0656f56109b2ec106903076258e7aa0dce3233b8b99675f45c1b88"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:QS6H5YTNL7MIQGNREETMVZZ5JR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Error correction of a logical qubit encoded in a single atomic ion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Agustin Valdes Martinez, Colin D. Bruzewicz, David Reens, Isaac L. Chuang, John Chiaverini, Kyle DeBry, Nadine Meister, Robert McConnell, Xiaoyang Shi","submitted_at":"2025-03-18T05:10:21Z","abstract_excerpt":"Quantum error correction (QEC) is essential for quantum computers to perform useful algorithms, but large-scale fault-tolerant computation remains out of reach due to demanding requirements on operation fidelity and the number of controllable quantum bits (qubits). Traditional QEC schemes involve encoding each logical qubit into multiple physical qubits, requiring a significant overhead in resources and complexity. Recent theoretical work has proposed a complementary approach of performing error correction at the single-particle level by taking advantage of additional available quantum states,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.13908","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2503.13908/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":"2026-07-05T10:33:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7ny6uI7ILdv3BaaO3cUeGWC7udhLjqD4TLG7NNXBG2jDwYG5T2l8hli8BFrzMEL4Z3dKC4PzUppjWvU+yjU4AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T18:03:12.127137Z"},"content_sha256":"d688c682294365814a3a689296b8f6962475bc3096ebcbad3d7afa519325f5fd","schema_version":"1.0","event_id":"sha256:d688c682294365814a3a689296b8f6962475bc3096ebcbad3d7afa519325f5fd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QS6H5YTNL7MIQGNREETMVZZ5JR/bundle.json","state_url":"https://pith.science/pith/QS6H5YTNL7MIQGNREETMVZZ5JR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QS6H5YTNL7MIQGNREETMVZZ5JR/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":"2026-08-22T18:03:12Z","links":{"resolver":"https://pith.science/pith/QS6H5YTNL7MIQGNREETMVZZ5JR","bundle":"https://pith.science/pith/QS6H5YTNL7MIQGNREETMVZZ5JR/bundle.json","state":"https://pith.science/pith/QS6H5YTNL7MIQGNREETMVZZ5JR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QS6H5YTNL7MIQGNREETMVZZ5JR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:QS6H5YTNL7MIQGNREETMVZZ5JR","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":"9770acf8634a6f52a553d1aa2d2a2067c907eb730f26293d2a01a4a385c9427a","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-03-18T05:10:21Z","title_canon_sha256":"84fab3b3adb474019f88b70315064bd0a3dce5c0ab8e9dcd05c66d722521b9c2"},"schema_version":"1.0","source":{"id":"2503.13908","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.13908","created_at":"2026-07-05T10:33:21Z"},{"alias_kind":"arxiv_version","alias_value":"2503.13908v1","created_at":"2026-07-05T10:33:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.13908","created_at":"2026-07-05T10:33:21Z"},{"alias_kind":"pith_short_12","alias_value":"QS6H5YTNL7MI","created_at":"2026-07-05T10:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"QS6H5YTNL7MIQGNR","created_at":"2026-07-05T10:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"QS6H5YTN","created_at":"2026-07-05T10:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:d688c682294365814a3a689296b8f6962475bc3096ebcbad3d7afa519325f5fd","target":"graph","created_at":"2026-07-05T10:33:21Z","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/2503.13908/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum error correction (QEC) is essential for quantum computers to perform useful algorithms, but large-scale fault-tolerant computation remains out of reach due to demanding requirements on operation fidelity and the number of controllable quantum bits (qubits). Traditional QEC schemes involve encoding each logical qubit into multiple physical qubits, requiring a significant overhead in resources and complexity. Recent theoretical work has proposed a complementary approach of performing error correction at the single-particle level by taking advantage of additional available quantum states,","authors_text":"Agustin Valdes Martinez, Colin D. Bruzewicz, David Reens, Isaac L. Chuang, John Chiaverini, Kyle DeBry, Nadine Meister, Robert McConnell, Xiaoyang Shi","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-03-18T05:10:21Z","title":"Error correction of a logical qubit encoded in a single atomic ion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.13908","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":"sha256:0a76c838db0656f56109b2ec106903076258e7aa0dce3233b8b99675f45c1b88","target":"record","created_at":"2026-07-05T10:33:21Z","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":"9770acf8634a6f52a553d1aa2d2a2067c907eb730f26293d2a01a4a385c9427a","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-03-18T05:10:21Z","title_canon_sha256":"84fab3b3adb474019f88b70315064bd0a3dce5c0ab8e9dcd05c66d722521b9c2"},"schema_version":"1.0","source":{"id":"2503.13908","kind":"arxiv","version":1}},"canonical_sha256":"84bc7ee26d5fd88819b12126cae73d4c56a198bfdba460954d5eba0faca559eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"84bc7ee26d5fd88819b12126cae73d4c56a198bfdba460954d5eba0faca559eb","first_computed_at":"2026-07-05T10:33:21.424771Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:33:21.424771Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HbNF9wZd+DUxYYNXnPbFzmQBKpc1mY0si8hwXB3XwXIDf2QwKln6DC9n7wDO4weKjvxfkP55JRi1Qh9I6Lz/DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:33:21.425955Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.13908","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0a76c838db0656f56109b2ec106903076258e7aa0dce3233b8b99675f45c1b88","sha256:d688c682294365814a3a689296b8f6962475bc3096ebcbad3d7afa519325f5fd"],"state_sha256":"39fb879b031421978a98ad4d58160d3c1d89ffd95b5c6c5436fae75d9c458255"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eSkf1RGKYWhMRvakk3ukOCPOuwuh5mAJiYTVrQV5qlaxrAoyUX1TDAj7B5o9dEnWhfiSrFzm05S3pB74zeAPDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T18:03:12.130993Z","bundle_sha256":"c6edfb29f6b9e5b6e864e51ba67b0335251d9491032776fef40acb0e668426b0"}}