{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:LPENVQEORCEWPTZYHMLAGISXOI","short_pith_number":"pith:LPENVQEO","canonical_record":{"source":{"id":"2506.15633","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-18T17:04:30Z","cross_cats_sorted":["cond-mat.quant-gas","physics.atom-ph"],"title_canon_sha256":"17b7839c6001f7a7c4dbbc9407ca89294a0c0bbe8961927e64426a32f4cb04b5","abstract_canon_sha256":"f0bd2ba91273e32c57ab9e8048c2ede8cb0d725ef97d401b6e528827f2970222"},"schema_version":"1.0"},"canonical_sha256":"5bc8dac08e888967cf383b1603225772070a191393b22df4d5fce7d5d0d95ef4","source":{"kind":"arxiv","id":"2506.15633","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.15633","created_at":"2026-07-05T11:23:47Z"},{"alias_kind":"arxiv_version","alias_value":"2506.15633v1","created_at":"2026-07-05T11:23:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.15633","created_at":"2026-07-05T11:23:47Z"},{"alias_kind":"pith_short_12","alias_value":"LPENVQEORCEW","created_at":"2026-07-05T11:23:47Z"},{"alias_kind":"pith_short_16","alias_value":"LPENVQEORCEWPTZY","created_at":"2026-07-05T11:23:47Z"},{"alias_kind":"pith_short_8","alias_value":"LPENVQEO","created_at":"2026-07-05T11:23:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:LPENVQEORCEWPTZYHMLAGISXOI","target":"record","payload":{"canonical_record":{"source":{"id":"2506.15633","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-18T17:04:30Z","cross_cats_sorted":["cond-mat.quant-gas","physics.atom-ph"],"title_canon_sha256":"17b7839c6001f7a7c4dbbc9407ca89294a0c0bbe8961927e64426a32f4cb04b5","abstract_canon_sha256":"f0bd2ba91273e32c57ab9e8048c2ede8cb0d725ef97d401b6e528827f2970222"},"schema_version":"1.0"},"canonical_sha256":"5bc8dac08e888967cf383b1603225772070a191393b22df4d5fce7d5d0d95ef4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:23:47.457573Z","signature_b64":"5aliuTPOdR+kXTrxWuU1kbWLushx/MDQO/M1Kzn4MVTsOu6YDwgKaT1mjDs25HjivhktTAWxGZN2PwmM6ZO9DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5bc8dac08e888967cf383b1603225772070a191393b22df4d5fce7d5d0d95ef4","last_reissued_at":"2026-07-05T11:23:47.457035Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:23:47.457035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.15633","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":"2026-07-05T11:23:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JwcFKiEEG3q0r/lxpVGGMO/7XHKs8AeIZRAw+ajI0zEwDPofPR5gs13LHTz1Z52qiAEqzyO5oD7Yb4pyVE/1DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T00:45:36.799992Z"},"content_sha256":"38b1ddb5d9570c58baa82ccd33ef907d6acb362880ec5f69d611a846e6f4be48","schema_version":"1.0","event_id":"sha256:38b1ddb5d9570c58baa82ccd33ef907d6acb362880ec5f69d611a846e6f4be48"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:LPENVQEORCEWPTZYHMLAGISXOI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast, continuous and coherent atom replacement in a neutral atom qubit array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Chenyuan Li, Jeff D. Thompson, Michael Peper, Yicheng Bao, Yiyi Li","submitted_at":"2025-06-18T17:04:30Z","abstract_excerpt":"Neutral atom quantum processors are a promising platform for scalable quantum computing. An obstacle to implementing deep quantum circuits is managing atom loss, which constitutes a significant fraction of all errors. Current approaches are either not capable of replacing lost atoms in the middle of a circuit -- and therefore restricted to fixed, short circuit depths -- or require more than an order of magnitude longer time than gate and measurement operations to do so. In this work, we demonstrate fast, continuous atom replacement leveraging the metastable $^{171}$Yb qubit. A continuously loa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.15633","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/2506.15633/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":"2026-07-05T11:23:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BkKjhnLDgiqAduSH3JpZFjLkUJIkbqf1u2RS+Cgou5R4n1VxXPiQ1jZ01xMwDKlR6ncln+qh4Rj7EiTT+hUCBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T00:45:36.800482Z"},"content_sha256":"f8801ee77195e92c4bc1cb1c58ed0294ecfa72a5bb6ad2e6776faa3b1476aa77","schema_version":"1.0","event_id":"sha256:f8801ee77195e92c4bc1cb1c58ed0294ecfa72a5bb6ad2e6776faa3b1476aa77"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LPENVQEORCEWPTZYHMLAGISXOI/bundle.json","state_url":"https://pith.science/pith/LPENVQEORCEWPTZYHMLAGISXOI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LPENVQEORCEWPTZYHMLAGISXOI/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":"2026-08-10T00:45:36Z","links":{"resolver":"https://pith.science/pith/LPENVQEORCEWPTZYHMLAGISXOI","bundle":"https://pith.science/pith/LPENVQEORCEWPTZYHMLAGISXOI/bundle.json","state":"https://pith.science/pith/LPENVQEORCEWPTZYHMLAGISXOI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LPENVQEORCEWPTZYHMLAGISXOI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:LPENVQEORCEWPTZYHMLAGISXOI","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":"f0bd2ba91273e32c57ab9e8048c2ede8cb0d725ef97d401b6e528827f2970222","cross_cats_sorted":["cond-mat.quant-gas","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-18T17:04:30Z","title_canon_sha256":"17b7839c6001f7a7c4dbbc9407ca89294a0c0bbe8961927e64426a32f4cb04b5"},"schema_version":"1.0","source":{"id":"2506.15633","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.15633","created_at":"2026-07-05T11:23:47Z"},{"alias_kind":"arxiv_version","alias_value":"2506.15633v1","created_at":"2026-07-05T11:23:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.15633","created_at":"2026-07-05T11:23:47Z"},{"alias_kind":"pith_short_12","alias_value":"LPENVQEORCEW","created_at":"2026-07-05T11:23:47Z"},{"alias_kind":"pith_short_16","alias_value":"LPENVQEORCEWPTZY","created_at":"2026-07-05T11:23:47Z"},{"alias_kind":"pith_short_8","alias_value":"LPENVQEO","created_at":"2026-07-05T11:23:47Z"}],"graph_snapshots":[{"event_id":"sha256:f8801ee77195e92c4bc1cb1c58ed0294ecfa72a5bb6ad2e6776faa3b1476aa77","target":"graph","created_at":"2026-07-05T11:23:47Z","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/2506.15633/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Neutral atom quantum processors are a promising platform for scalable quantum computing. An obstacle to implementing deep quantum circuits is managing atom loss, which constitutes a significant fraction of all errors. Current approaches are either not capable of replacing lost atoms in the middle of a circuit -- and therefore restricted to fixed, short circuit depths -- or require more than an order of magnitude longer time than gate and measurement operations to do so. In this work, we demonstrate fast, continuous atom replacement leveraging the metastable $^{171}$Yb qubit. A continuously loa","authors_text":"Chenyuan Li, Jeff D. Thompson, Michael Peper, Yicheng Bao, Yiyi Li","cross_cats":["cond-mat.quant-gas","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-18T17:04:30Z","title":"Fast, continuous and coherent atom replacement in a neutral atom qubit array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.15633","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":"sha256:38b1ddb5d9570c58baa82ccd33ef907d6acb362880ec5f69d611a846e6f4be48","target":"record","created_at":"2026-07-05T11:23:47Z","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":"f0bd2ba91273e32c57ab9e8048c2ede8cb0d725ef97d401b6e528827f2970222","cross_cats_sorted":["cond-mat.quant-gas","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-18T17:04:30Z","title_canon_sha256":"17b7839c6001f7a7c4dbbc9407ca89294a0c0bbe8961927e64426a32f4cb04b5"},"schema_version":"1.0","source":{"id":"2506.15633","kind":"arxiv","version":1}},"canonical_sha256":"5bc8dac08e888967cf383b1603225772070a191393b22df4d5fce7d5d0d95ef4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5bc8dac08e888967cf383b1603225772070a191393b22df4d5fce7d5d0d95ef4","first_computed_at":"2026-07-05T11:23:47.457035Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:23:47.457035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5aliuTPOdR+kXTrxWuU1kbWLushx/MDQO/M1Kzn4MVTsOu6YDwgKaT1mjDs25HjivhktTAWxGZN2PwmM6ZO9DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:23:47.457573Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.15633","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:38b1ddb5d9570c58baa82ccd33ef907d6acb362880ec5f69d611a846e6f4be48","sha256:f8801ee77195e92c4bc1cb1c58ed0294ecfa72a5bb6ad2e6776faa3b1476aa77"],"state_sha256":"0fbc6f791d6790ff3bc462cbb2d927b82ba4737dfd41f052f6bfc4a36286b9bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RKHY3HqKBDtpvK6xURUz8QnHlv2KpS6MqptjLjmFLLVq2u9oKMCMbOf6jbtbVpLTe5WFCo4CxtLG84+EQSwzDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T00:45:36.805155Z","bundle_sha256":"188a3ffcbcb6df1848ffa3db54f273fb976e5e15e4ee5ce8790de19d7b429836"}}