{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:7VKLXEPPLWDG66OWRIYNOGPC45","short_pith_number":"pith:7VKLXEPP","canonical_record":{"source":{"id":"2412.07670","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-12-10T16:59:55Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"b24e81af107e8f81adcbb26825e5094323e285cfc6865681a911c2ee67c311ea","abstract_canon_sha256":"0b7e9e6f38dd82bbfb247c48fa402fd1ad988208c62415da9860599f688bc503"},"schema_version":"1.0"},"canonical_sha256":"fd54bb91ef5d866f79d68a30d719e2e746acdd6ad4a41e135a20994c4cf14860","source":{"kind":"arxiv","id":"2412.07670","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.07670","created_at":"2026-07-05T09:47:13Z"},{"alias_kind":"arxiv_version","alias_value":"2412.07670v1","created_at":"2026-07-05T09:47:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.07670","created_at":"2026-07-05T09:47:13Z"},{"alias_kind":"pith_short_12","alias_value":"7VKLXEPPLWDG","created_at":"2026-07-05T09:47:13Z"},{"alias_kind":"pith_short_16","alias_value":"7VKLXEPPLWDG66OW","created_at":"2026-07-05T09:47:13Z"},{"alias_kind":"pith_short_8","alias_value":"7VKLXEPP","created_at":"2026-07-05T09:47:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:7VKLXEPPLWDG66OWRIYNOGPC45","target":"record","payload":{"canonical_record":{"source":{"id":"2412.07670","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-12-10T16:59:55Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"b24e81af107e8f81adcbb26825e5094323e285cfc6865681a911c2ee67c311ea","abstract_canon_sha256":"0b7e9e6f38dd82bbfb247c48fa402fd1ad988208c62415da9860599f688bc503"},"schema_version":"1.0"},"canonical_sha256":"fd54bb91ef5d866f79d68a30d719e2e746acdd6ad4a41e135a20994c4cf14860","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:47:13.413158Z","signature_b64":"N1cCuOZOJePzV2owc1GnSPWsX8nC1LNKGhGtWTYzm2x61FhRmc7HZml0G7Ik+JlCCMXXooEqf++AMxBV0PpsAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd54bb91ef5d866f79d68a30d719e2e746acdd6ad4a41e135a20994c4cf14860","last_reissued_at":"2026-07-05T09:47:13.412640Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:47:13.412640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.07670","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":"2026-07-05T09:47:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wmrOfEtm17V8zNdOvXv3OOmnYf2fdI3y76UWF//VHFVwxwrTcJGTFYdQnFwYzeL7vClGhv5RzcEOnj2LQPC4CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T02:39:31.862287Z"},"content_sha256":"e0e789493896ac89792cb81aea562d82509b9fcc6b0cdd7162a15bbbbf7a5651","schema_version":"1.0","event_id":"sha256:e0e789493896ac89792cb81aea562d82509b9fcc6b0cdd7162a15bbbbf7a5651"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:7VKLXEPPLWDG66OWRIYNOGPC45","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fault-Tolerant Operation and Materials Science with Neutral Atom Logical Qubits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Alexander G. Radnaev, Angela K. Tucker, Bettina Heim, Bharath Thotakura, Caitlin Carnahan, Dan C. Cole, David Mason, Efrat Shabtai, Eric B. Jones, Frederic T. Chong, Garrett T. Hickman, Jin-Sung Kim, Kevin W. Kuper, Mariesa H. Teo, Mark Saffman, Martin T. Lichtman, Matt Blakely, Matt. J. Bedalov, Nathan A. Neff-Mallon, Palash Goiporia, Peter. D. Buttler, Pradnya Khalate, Pranav Gokhale, Rich Rines, Ryan A. Jones, Stephanie Lee, Teague Tomesh, Thomas W. Noel, Victory Omole, Woo Chang Chung","submitted_at":"2024-12-10T16:59:55Z","abstract_excerpt":"We report on the fault-tolerant operation of logical qubits on a neutral atom quantum computer, with logical performance surpassing physical performance for multiple circuits including Bell states (12x error reduction), random circuits (15x), and a prototype Anderson Impurity Model ground state solver for materials science applications (up to 6x, non-fault-tolerantly). The logical qubits are implemented via the [[4, 2, 2]] code (C4). Our work constitutes the first complete realization of the benchmarking protocol proposed by Gottesman 2016 [1] demonstrating results consistent with fault-tolera"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.07670","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/2412.07670/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":"2026-07-05T09:47:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ms4srkhX5D7l2+tLDqkuk0YFgWBoGyWZS0P6f6JZh9TNrE/5/itjecjjS5aiQGR7FKnTVDBVfJJdbpPELmyICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T02:39:31.862692Z"},"content_sha256":"1ce79bba579eecc8e5b77f5d0e2c19aed5f246aade1cfcdb93314dddc35b74fa","schema_version":"1.0","event_id":"sha256:1ce79bba579eecc8e5b77f5d0e2c19aed5f246aade1cfcdb93314dddc35b74fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7VKLXEPPLWDG66OWRIYNOGPC45/bundle.json","state_url":"https://pith.science/pith/7VKLXEPPLWDG66OWRIYNOGPC45/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7VKLXEPPLWDG66OWRIYNOGPC45/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":"2026-07-09T02:39:31Z","links":{"resolver":"https://pith.science/pith/7VKLXEPPLWDG66OWRIYNOGPC45","bundle":"https://pith.science/pith/7VKLXEPPLWDG66OWRIYNOGPC45/bundle.json","state":"https://pith.science/pith/7VKLXEPPLWDG66OWRIYNOGPC45/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7VKLXEPPLWDG66OWRIYNOGPC45/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:7VKLXEPPLWDG66OWRIYNOGPC45","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":"0b7e9e6f38dd82bbfb247c48fa402fd1ad988208c62415da9860599f688bc503","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-12-10T16:59:55Z","title_canon_sha256":"b24e81af107e8f81adcbb26825e5094323e285cfc6865681a911c2ee67c311ea"},"schema_version":"1.0","source":{"id":"2412.07670","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.07670","created_at":"2026-07-05T09:47:13Z"},{"alias_kind":"arxiv_version","alias_value":"2412.07670v1","created_at":"2026-07-05T09:47:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.07670","created_at":"2026-07-05T09:47:13Z"},{"alias_kind":"pith_short_12","alias_value":"7VKLXEPPLWDG","created_at":"2026-07-05T09:47:13Z"},{"alias_kind":"pith_short_16","alias_value":"7VKLXEPPLWDG66OW","created_at":"2026-07-05T09:47:13Z"},{"alias_kind":"pith_short_8","alias_value":"7VKLXEPP","created_at":"2026-07-05T09:47:13Z"}],"graph_snapshots":[{"event_id":"sha256:1ce79bba579eecc8e5b77f5d0e2c19aed5f246aade1cfcdb93314dddc35b74fa","target":"graph","created_at":"2026-07-05T09:47:13Z","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/2412.07670/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on the fault-tolerant operation of logical qubits on a neutral atom quantum computer, with logical performance surpassing physical performance for multiple circuits including Bell states (12x error reduction), random circuits (15x), and a prototype Anderson Impurity Model ground state solver for materials science applications (up to 6x, non-fault-tolerantly). The logical qubits are implemented via the [[4, 2, 2]] code (C4). Our work constitutes the first complete realization of the benchmarking protocol proposed by Gottesman 2016 [1] demonstrating results consistent with fault-tolera","authors_text":"Alexander G. Radnaev, Angela K. Tucker, Bettina Heim, Bharath Thotakura, Caitlin Carnahan, Dan C. Cole, David Mason, Efrat Shabtai, Eric B. Jones, Frederic T. Chong, Garrett T. Hickman, Jin-Sung Kim, Kevin W. Kuper, Mariesa H. Teo, Mark Saffman, Martin T. Lichtman, Matt Blakely, Matt. J. Bedalov, Nathan A. Neff-Mallon, Palash Goiporia, Peter. D. Buttler, Pradnya Khalate, Pranav Gokhale, Rich Rines, Ryan A. Jones, Stephanie Lee, Teague Tomesh, Thomas W. Noel, Victory Omole, Woo Chang Chung","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-12-10T16:59:55Z","title":"Fault-Tolerant Operation and Materials Science with Neutral Atom Logical Qubits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.07670","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:e0e789493896ac89792cb81aea562d82509b9fcc6b0cdd7162a15bbbbf7a5651","target":"record","created_at":"2026-07-05T09:47:13Z","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":"0b7e9e6f38dd82bbfb247c48fa402fd1ad988208c62415da9860599f688bc503","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-12-10T16:59:55Z","title_canon_sha256":"b24e81af107e8f81adcbb26825e5094323e285cfc6865681a911c2ee67c311ea"},"schema_version":"1.0","source":{"id":"2412.07670","kind":"arxiv","version":1}},"canonical_sha256":"fd54bb91ef5d866f79d68a30d719e2e746acdd6ad4a41e135a20994c4cf14860","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fd54bb91ef5d866f79d68a30d719e2e746acdd6ad4a41e135a20994c4cf14860","first_computed_at":"2026-07-05T09:47:13.412640Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:47:13.412640Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N1cCuOZOJePzV2owc1GnSPWsX8nC1LNKGhGtWTYzm2x61FhRmc7HZml0G7Ik+JlCCMXXooEqf++AMxBV0PpsAg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:47:13.413158Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.07670","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e0e789493896ac89792cb81aea562d82509b9fcc6b0cdd7162a15bbbbf7a5651","sha256:1ce79bba579eecc8e5b77f5d0e2c19aed5f246aade1cfcdb93314dddc35b74fa"],"state_sha256":"aab39776c0c51449ec18b1a3bcadb96fc9f95050d4dc9d71b094e842109ab799"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RltD+WZTrkYNrcjbK+kT7eos2XqMY/Cv89SyrhwC8b73tS57u4wPPcUS5pdyoAcvIsjK2Nb6TnU3oZOfw2SnDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T02:39:31.864813Z","bundle_sha256":"1637105f6717310c3eee3512740402c8920d9105ef0ce1763cb4f62044331a84"}}