{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:DJHXRL7DKIA2R4K545TLHJXMYI","short_pith_number":"pith:DJHXRL7D","canonical_record":{"source":{"id":"1511.03293","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-11-10T21:15:14Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"89c26e5eca4882252ee6c5b26585ab446ea6a9b145b01333d19cd13257989554","abstract_canon_sha256":"cbd71194e703009d0213025f1d125d98d23718bb2f63b8f450e3e8d519290dd4"},"schema_version":"1.0"},"canonical_sha256":"1a4f78afe35201a8f15de766b3a6ecc22291e404fb4142fccd4bf6d6b50efa5a","source":{"kind":"arxiv","id":"1511.03293","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03293","created_at":"2026-05-18T01:00:40Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03293v1","created_at":"2026-05-18T01:00:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03293","created_at":"2026-05-18T01:00:40Z"},{"alias_kind":"pith_short_12","alias_value":"DJHXRL7DKIA2","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DJHXRL7DKIA2R4K5","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DJHXRL7D","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:DJHXRL7DKIA2R4K545TLHJXMYI","target":"record","payload":{"canonical_record":{"source":{"id":"1511.03293","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-11-10T21:15:14Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"89c26e5eca4882252ee6c5b26585ab446ea6a9b145b01333d19cd13257989554","abstract_canon_sha256":"cbd71194e703009d0213025f1d125d98d23718bb2f63b8f450e3e8d519290dd4"},"schema_version":"1.0"},"canonical_sha256":"1a4f78afe35201a8f15de766b3a6ecc22291e404fb4142fccd4bf6d6b50efa5a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:00:40.188592Z","signature_b64":"6aHOTw800RHqm7I98GwwsGQp+gp2SLAqXbSJCObBecUWaT4bHoS9F8LQkAE4327K/y/udgOIzobAq7rrnyKHDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1a4f78afe35201a8f15de766b3a6ecc22291e404fb4142fccd4bf6d6b50efa5a","last_reissued_at":"2026-05-18T01:00:40.188077Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:00:40.188077Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.03293","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":"2026-05-18T01:00:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QTFlD/7Z9Kzl3stHO7Af88YKMegMGhewYm1vZhrWpSZDOQJFZK70g4B+poy3vt6G6WTJMG64f+CO2lAscqj2Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T12:03:35.438680Z"},"content_sha256":"6f52042a8e3ad03f7e41bbe669d368c6e277ecf961cf6b73c9ff210ce21c188c","schema_version":"1.0","event_id":"sha256:6f52042a8e3ad03f7e41bbe669d368c6e277ecf961cf6b73c9ff210ce21c188c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:DJHXRL7DKIA2R4K545TLHJXMYI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scalable Loading of a Two-Dimensional Trapped-Ion Array","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"C. D. Bruzewicz, J. Chiaverini, J. M. Sage, R. McConnell","submitted_at":"2015-11-10T21:15:14Z","abstract_excerpt":"We describe rapid, random-access loading of a two-dimensional (2D) surface-electrode ion-trap array based on two crossed photo-ionization laser beams. With the use of a continuous flux of pre-cooled neutral atoms from a remotely-located source, we achieve loading of a single ion per site while maintaining long trap lifetimes and without disturbing the coherence of an ion quantum bit in an adjacent site. This demonstration satisfies all major criteria necessary for loading and reloading extensive 2D arrays, as will be required for large-scale quantum information processing. Moreover, the alread"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03293","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":"2026-05-18T01:00:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0hlgRsjk1z+qvm+fhdk1KadY0YmJkbNlI2eXK62nZUP5CMIz8HiMfGfv9Ew8Wcb4c1onz8fKXHfbuwJWY/8VBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T12:03:35.439334Z"},"content_sha256":"075586e24a9e89ddfd378d02c617cf7936b5db7b5f8f0ff83e95439a65459d15","schema_version":"1.0","event_id":"sha256:075586e24a9e89ddfd378d02c617cf7936b5db7b5f8f0ff83e95439a65459d15"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DJHXRL7DKIA2R4K545TLHJXMYI/bundle.json","state_url":"https://pith.science/pith/DJHXRL7DKIA2R4K545TLHJXMYI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DJHXRL7DKIA2R4K545TLHJXMYI/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":"2026-06-09T12:03:35Z","links":{"resolver":"https://pith.science/pith/DJHXRL7DKIA2R4K545TLHJXMYI","bundle":"https://pith.science/pith/DJHXRL7DKIA2R4K545TLHJXMYI/bundle.json","state":"https://pith.science/pith/DJHXRL7DKIA2R4K545TLHJXMYI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DJHXRL7DKIA2R4K545TLHJXMYI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DJHXRL7DKIA2R4K545TLHJXMYI","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":"cbd71194e703009d0213025f1d125d98d23718bb2f63b8f450e3e8d519290dd4","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-11-10T21:15:14Z","title_canon_sha256":"89c26e5eca4882252ee6c5b26585ab446ea6a9b145b01333d19cd13257989554"},"schema_version":"1.0","source":{"id":"1511.03293","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.03293","created_at":"2026-05-18T01:00:40Z"},{"alias_kind":"arxiv_version","alias_value":"1511.03293v1","created_at":"2026-05-18T01:00:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.03293","created_at":"2026-05-18T01:00:40Z"},{"alias_kind":"pith_short_12","alias_value":"DJHXRL7DKIA2","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DJHXRL7DKIA2R4K5","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DJHXRL7D","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:075586e24a9e89ddfd378d02c617cf7936b5db7b5f8f0ff83e95439a65459d15","target":"graph","created_at":"2026-05-18T01:00:40Z","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 describe rapid, random-access loading of a two-dimensional (2D) surface-electrode ion-trap array based on two crossed photo-ionization laser beams. With the use of a continuous flux of pre-cooled neutral atoms from a remotely-located source, we achieve loading of a single ion per site while maintaining long trap lifetimes and without disturbing the coherence of an ion quantum bit in an adjacent site. This demonstration satisfies all major criteria necessary for loading and reloading extensive 2D arrays, as will be required for large-scale quantum information processing. Moreover, the alread","authors_text":"C. D. Bruzewicz, J. Chiaverini, J. M. Sage, R. McConnell","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-11-10T21:15:14Z","title":"Scalable Loading of a Two-Dimensional Trapped-Ion Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.03293","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":"sha256:6f52042a8e3ad03f7e41bbe669d368c6e277ecf961cf6b73c9ff210ce21c188c","target":"record","created_at":"2026-05-18T01:00:40Z","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":"cbd71194e703009d0213025f1d125d98d23718bb2f63b8f450e3e8d519290dd4","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2015-11-10T21:15:14Z","title_canon_sha256":"89c26e5eca4882252ee6c5b26585ab446ea6a9b145b01333d19cd13257989554"},"schema_version":"1.0","source":{"id":"1511.03293","kind":"arxiv","version":1}},"canonical_sha256":"1a4f78afe35201a8f15de766b3a6ecc22291e404fb4142fccd4bf6d6b50efa5a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a4f78afe35201a8f15de766b3a6ecc22291e404fb4142fccd4bf6d6b50efa5a","first_computed_at":"2026-05-18T01:00:40.188077Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:40.188077Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6aHOTw800RHqm7I98GwwsGQp+gp2SLAqXbSJCObBecUWaT4bHoS9F8LQkAE4327K/y/udgOIzobAq7rrnyKHDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:40.188592Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.03293","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f52042a8e3ad03f7e41bbe669d368c6e277ecf961cf6b73c9ff210ce21c188c","sha256:075586e24a9e89ddfd378d02c617cf7936b5db7b5f8f0ff83e95439a65459d15"],"state_sha256":"ee80e85be55884e28f0d913aa1c003b89c19b6db929269c8ceff6d293bb0c8e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OWoRgXTnQOfDE0peHBBbREm7rjbB9FgJl8xDooFCSTszl12LiYLcEZOwYj6Irf1BkD6TvDFuA6eFoXRGsHV4Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T12:03:35.443617Z","bundle_sha256":"091a327016e686fd923915bdb5e630b9d9291b4f6b1082a475b010db01b8a4f8"}}