{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:KO43CWN2NQK7VMAPONB4TQU2IP","short_pith_number":"pith:KO43CWN2","canonical_record":{"source":{"id":"1506.04419","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-06-14T16:39:54Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"0255f413573678927af9c04b48d0af217452f8b75487b767d1ff8cec13cd017c","abstract_canon_sha256":"7a4a68aaad36bb4eac10e57b335117bcf2adb0c880bb816c0a2f82405f60d5b4"},"schema_version":"1.0"},"canonical_sha256":"53b9b159ba6c15fab00f7343c9c29a43d8faa9f097e9d3ec64a2bd620743a4ef","source":{"kind":"arxiv","id":"1506.04419","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.04419","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"arxiv_version","alias_value":"1506.04419v1","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04419","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"pith_short_12","alias_value":"KO43CWN2NQK7","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KO43CWN2NQK7VMAP","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KO43CWN2","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:KO43CWN2NQK7VMAPONB4TQU2IP","target":"record","payload":{"canonical_record":{"source":{"id":"1506.04419","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-06-14T16:39:54Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"0255f413573678927af9c04b48d0af217452f8b75487b767d1ff8cec13cd017c","abstract_canon_sha256":"7a4a68aaad36bb4eac10e57b335117bcf2adb0c880bb816c0a2f82405f60d5b4"},"schema_version":"1.0"},"canonical_sha256":"53b9b159ba6c15fab00f7343c9c29a43d8faa9f097e9d3ec64a2bd620743a4ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:07.627051Z","signature_b64":"Y3ZAvCzwjzj3fE3iEhx4fHHMTH6+PZFO7Kwv9H0EqZsoaOxZdKXLXGQsf6Ngaq5+4v6+SCkwqoUkUyxGyUgDBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53b9b159ba6c15fab00f7343c9c29a43d8faa9f097e9d3ec64a2bd620743a4ef","last_reissued_at":"2026-05-18T01:35:07.626416Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:07.626416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.04419","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":"2026-05-18T01:35:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nD9tUnTMFUVF6JqdapIbKGqRWq9kaD6r/ckc2YJS6oVXInbQnAjxahMLtdHp1R35Pqm7xCBMiAOdJEi++EMmDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:03:01.774490Z"},"content_sha256":"c945f4b03ac3d74d8b50afe3396c0e4b9e8e219e4743ef2d9c4f1601d2abacd6","schema_version":"1.0","event_id":"sha256:c945f4b03ac3d74d8b50afe3396c0e4b9e8e219e4743ef2d9c4f1601d2abacd6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:KO43CWN2NQK7VMAPONB4TQU2IP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rapid production of uniformly-filled arrays of neutral atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"physics.atom-ph","authors_text":"Adam M. Kaufman, Brian J. Lester, Cindy A. Regal, Collin M. Reynolds, Niclas Luick","submitted_at":"2015-06-14T16:39:54Z","abstract_excerpt":"We demonstrate rapid loading of a small array of optical tweezers with a single $^{87}$Rb atom per site. We find that loading efficiencies of up to 90% per tweezer are achievable in less than 170 ms for traps separated by more than $1.7 \\,\\mu\\text{m}$. Interestingly, we find the load efficiency is affected by nearby traps and present the efficiency as a function of the spacing between two optical tweezers. This enhanced loading, combined with subsequent rearranging of filled sites, will enable the study of quantum many-body systems via quantum gas assembly."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04419","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":""},"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":"2026-05-18T01:35:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NR0yEGXBnCJgEMyQUD9HPLScWTCs3fTjnT7G0OqEWHEmS85WuuOUI8yrlVXp1fa5G+mDiXMx5nWPQUCIJipqBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T05:03:01.774836Z"},"content_sha256":"6b6488df3984a5ca618fc71cd583365576b06f47e6d6da35a40e7df9c634f129","schema_version":"1.0","event_id":"sha256:6b6488df3984a5ca618fc71cd583365576b06f47e6d6da35a40e7df9c634f129"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KO43CWN2NQK7VMAPONB4TQU2IP/bundle.json","state_url":"https://pith.science/pith/KO43CWN2NQK7VMAPONB4TQU2IP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KO43CWN2NQK7VMAPONB4TQU2IP/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":"2026-06-02T05:03:01Z","links":{"resolver":"https://pith.science/pith/KO43CWN2NQK7VMAPONB4TQU2IP","bundle":"https://pith.science/pith/KO43CWN2NQK7VMAPONB4TQU2IP/bundle.json","state":"https://pith.science/pith/KO43CWN2NQK7VMAPONB4TQU2IP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KO43CWN2NQK7VMAPONB4TQU2IP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:KO43CWN2NQK7VMAPONB4TQU2IP","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":"7a4a68aaad36bb4eac10e57b335117bcf2adb0c880bb816c0a2f82405f60d5b4","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-06-14T16:39:54Z","title_canon_sha256":"0255f413573678927af9c04b48d0af217452f8b75487b767d1ff8cec13cd017c"},"schema_version":"1.0","source":{"id":"1506.04419","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.04419","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"arxiv_version","alias_value":"1506.04419v1","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.04419","created_at":"2026-05-18T01:35:07Z"},{"alias_kind":"pith_short_12","alias_value":"KO43CWN2NQK7","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KO43CWN2NQK7VMAP","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KO43CWN2","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:6b6488df3984a5ca618fc71cd583365576b06f47e6d6da35a40e7df9c634f129","target":"graph","created_at":"2026-05-18T01:35:07Z","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"},"paper":{"abstract_excerpt":"We demonstrate rapid loading of a small array of optical tweezers with a single $^{87}$Rb atom per site. We find that loading efficiencies of up to 90% per tweezer are achievable in less than 170 ms for traps separated by more than $1.7 \\,\\mu\\text{m}$. Interestingly, we find the load efficiency is affected by nearby traps and present the efficiency as a function of the spacing between two optical tweezers. This enhanced loading, combined with subsequent rearranging of filled sites, will enable the study of quantum many-body systems via quantum gas assembly.","authors_text":"Adam M. Kaufman, Brian J. Lester, Cindy A. Regal, Collin M. Reynolds, Niclas Luick","cross_cats":["cond-mat.quant-gas"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-06-14T16:39:54Z","title":"Rapid production of uniformly-filled arrays of neutral atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.04419","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:c945f4b03ac3d74d8b50afe3396c0e4b9e8e219e4743ef2d9c4f1601d2abacd6","target":"record","created_at":"2026-05-18T01:35:07Z","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":"7a4a68aaad36bb4eac10e57b335117bcf2adb0c880bb816c0a2f82405f60d5b4","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-06-14T16:39:54Z","title_canon_sha256":"0255f413573678927af9c04b48d0af217452f8b75487b767d1ff8cec13cd017c"},"schema_version":"1.0","source":{"id":"1506.04419","kind":"arxiv","version":1}},"canonical_sha256":"53b9b159ba6c15fab00f7343c9c29a43d8faa9f097e9d3ec64a2bd620743a4ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53b9b159ba6c15fab00f7343c9c29a43d8faa9f097e9d3ec64a2bd620743a4ef","first_computed_at":"2026-05-18T01:35:07.626416Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:07.626416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y3ZAvCzwjzj3fE3iEhx4fHHMTH6+PZFO7Kwv9H0EqZsoaOxZdKXLXGQsf6Ngaq5+4v6+SCkwqoUkUyxGyUgDBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:07.627051Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.04419","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c945f4b03ac3d74d8b50afe3396c0e4b9e8e219e4743ef2d9c4f1601d2abacd6","sha256:6b6488df3984a5ca618fc71cd583365576b06f47e6d6da35a40e7df9c634f129"],"state_sha256":"9c8e8082b728e273f496467086215dccd250236619f76e06f33171d90b5d103f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DDFMIGES8BUhWkwmKTc1eEgRmRa9h4EjYQYgTN2TkUjsr9SDaztWG7bv+hlP/ttBCzFFc5RmG7osTrjbhqVsCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T05:03:01.776828Z","bundle_sha256":"61f3ab52f11d9f5f64dc0c90250ed2b58f04f47aeda9f3c6a9336e54311acafb"}}