{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:7AYDUZDZNDSJYUPO644P4EUWV4","short_pith_number":"pith:7AYDUZDZ","canonical_record":{"source":{"id":"quant-ph/0601173","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2006-01-26T02:17:56Z","cross_cats_sorted":[],"title_canon_sha256":"73d1c3aa9e8cedd153ad2cd7f8665490e8d822156773a9848de36802562d01dc","abstract_canon_sha256":"4681fad3a1c253865020ea9d90aad1b15baa69865570eacf37a5c96264dd0b19"},"schema_version":"1.0"},"canonical_sha256":"f8303a647968e49c51eef738fe1296af2bee5024a95f19894cf9366d808513c3","source":{"kind":"arxiv","id":"quant-ph/0601173","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0601173","created_at":"2026-07-04T17:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0601173v1","created_at":"2026-07-04T17:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0601173","created_at":"2026-07-04T17:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"7AYDUZDZNDSJ","created_at":"2026-07-04T17:02:54Z"},{"alias_kind":"pith_short_16","alias_value":"7AYDUZDZNDSJYUPO","created_at":"2026-07-04T17:02:54Z"},{"alias_kind":"pith_short_8","alias_value":"7AYDUZDZ","created_at":"2026-07-04T17:02:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:7AYDUZDZNDSJYUPO644P4EUWV4","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0601173","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2006-01-26T02:17:56Z","cross_cats_sorted":[],"title_canon_sha256":"73d1c3aa9e8cedd153ad2cd7f8665490e8d822156773a9848de36802562d01dc","abstract_canon_sha256":"4681fad3a1c253865020ea9d90aad1b15baa69865570eacf37a5c96264dd0b19"},"schema_version":"1.0"},"canonical_sha256":"f8303a647968e49c51eef738fe1296af2bee5024a95f19894cf9366d808513c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:02:54.983414Z","signature_b64":"8PMgDPKP61wz2WSLF+vWbfjAH93+6vjRa8F/jtNHZQXDXxRQy3LBfPf7MweIW6Q3LMp66XsWpxn9yqy1+zOHBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f8303a647968e49c51eef738fe1296af2bee5024a95f19894cf9366d808513c3","last_reissued_at":"2026-07-04T17:02:54.983004Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:02:54.983004Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0601173","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":"2026-07-04T17:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aihdNjE5e4JPlQkNa+zDY0Qa5ljaSLRoN6LUq9qFNWrRKufusWKdrla9EGoAkjCUBGBL6FBjWgKrKiuY1J7FDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:26:45.097418Z"},"content_sha256":"cc94a53b2b7f42c21f8da4af07fdf101a5898fc4b9f85bd6659036fa34f057a1","schema_version":"1.0","event_id":"sha256:cc94a53b2b7f42c21f8da4af07fdf101a5898fc4b9f85bd6659036fa34f057a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:7AYDUZDZNDSJYUPO644P4EUWV4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A microfabricated surface-electrode ion trap for scalable quantum information processing","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"C. Langer, D. B. Hume, D. J. Wineland, D. Leibfried, J. Britton, J. Chiaverini, J. D. Jost, J. H. Wesenberg, J. J. Bollinger, N. Shiga, R. B. Blakestad, R. J. Epstein, R. Ozeri, R. Reichle, S. Seidelin","submitted_at":"2006-01-26T02:17:56Z","abstract_excerpt":"We demonstrate confinement of individual atomic ions in a radio-frequency Paul trap with a novel geometry where the electrodes are located in a single plane and the ions confined above this plane. This device is realized with a relatively simple fabrication procedure and has important implications for quantum state manipulation and quantum information processing using large numbers of ions. We confine laser-cooled Mg-24 ions approximately 40 micrometer above planar gold electrodes. We measure the ions' motional frequencies and compare them to simulations. From measurements of the escape time o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0601173","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/quant-ph/0601173/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":"2026-07-04T17:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L609EgY95NdpqVHNmSL+Afuokpc7UOSSgnMANnAJ8AP4iap8OHrFLXb8YMIC4861fG/UdzoywZRc1B5IUkamCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T19:26:45.097950Z"},"content_sha256":"d7b0e00a0932947f7e97c3d7511322d4a6c2dcaa5848375a46a1e11a9e9e72d3","schema_version":"1.0","event_id":"sha256:d7b0e00a0932947f7e97c3d7511322d4a6c2dcaa5848375a46a1e11a9e9e72d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7AYDUZDZNDSJYUPO644P4EUWV4/bundle.json","state_url":"https://pith.science/pith/7AYDUZDZNDSJYUPO644P4EUWV4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7AYDUZDZNDSJYUPO644P4EUWV4/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":"2026-08-03T19:26:45Z","links":{"resolver":"https://pith.science/pith/7AYDUZDZNDSJYUPO644P4EUWV4","bundle":"https://pith.science/pith/7AYDUZDZNDSJYUPO644P4EUWV4/bundle.json","state":"https://pith.science/pith/7AYDUZDZNDSJYUPO644P4EUWV4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7AYDUZDZNDSJYUPO644P4EUWV4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:7AYDUZDZNDSJYUPO644P4EUWV4","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":"4681fad3a1c253865020ea9d90aad1b15baa69865570eacf37a5c96264dd0b19","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2006-01-26T02:17:56Z","title_canon_sha256":"73d1c3aa9e8cedd153ad2cd7f8665490e8d822156773a9848de36802562d01dc"},"schema_version":"1.0","source":{"id":"quant-ph/0601173","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0601173","created_at":"2026-07-04T17:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0601173v1","created_at":"2026-07-04T17:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0601173","created_at":"2026-07-04T17:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"7AYDUZDZNDSJ","created_at":"2026-07-04T17:02:54Z"},{"alias_kind":"pith_short_16","alias_value":"7AYDUZDZNDSJYUPO","created_at":"2026-07-04T17:02:54Z"},{"alias_kind":"pith_short_8","alias_value":"7AYDUZDZ","created_at":"2026-07-04T17:02:54Z"}],"graph_snapshots":[{"event_id":"sha256:d7b0e00a0932947f7e97c3d7511322d4a6c2dcaa5848375a46a1e11a9e9e72d3","target":"graph","created_at":"2026-07-04T17:02:54Z","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/quant-ph/0601173/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We demonstrate confinement of individual atomic ions in a radio-frequency Paul trap with a novel geometry where the electrodes are located in a single plane and the ions confined above this plane. This device is realized with a relatively simple fabrication procedure and has important implications for quantum state manipulation and quantum information processing using large numbers of ions. We confine laser-cooled Mg-24 ions approximately 40 micrometer above planar gold electrodes. We measure the ions' motional frequencies and compare them to simulations. From measurements of the escape time o","authors_text":"C. Langer, D. B. Hume, D. J. Wineland, D. Leibfried, J. Britton, J. Chiaverini, J. D. Jost, J. H. Wesenberg, J. J. Bollinger, N. Shiga, R. B. Blakestad, R. J. Epstein, R. Ozeri, R. Reichle, S. Seidelin","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2006-01-26T02:17:56Z","title":"A microfabricated surface-electrode ion trap for scalable quantum information processing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0601173","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:cc94a53b2b7f42c21f8da4af07fdf101a5898fc4b9f85bd6659036fa34f057a1","target":"record","created_at":"2026-07-04T17:02:54Z","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":"4681fad3a1c253865020ea9d90aad1b15baa69865570eacf37a5c96264dd0b19","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2006-01-26T02:17:56Z","title_canon_sha256":"73d1c3aa9e8cedd153ad2cd7f8665490e8d822156773a9848de36802562d01dc"},"schema_version":"1.0","source":{"id":"quant-ph/0601173","kind":"arxiv","version":1}},"canonical_sha256":"f8303a647968e49c51eef738fe1296af2bee5024a95f19894cf9366d808513c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8303a647968e49c51eef738fe1296af2bee5024a95f19894cf9366d808513c3","first_computed_at":"2026-07-04T17:02:54.983004Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:02:54.983004Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8PMgDPKP61wz2WSLF+vWbfjAH93+6vjRa8F/jtNHZQXDXxRQy3LBfPf7MweIW6Q3LMp66XsWpxn9yqy1+zOHBw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:02:54.983414Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0601173","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc94a53b2b7f42c21f8da4af07fdf101a5898fc4b9f85bd6659036fa34f057a1","sha256:d7b0e00a0932947f7e97c3d7511322d4a6c2dcaa5848375a46a1e11a9e9e72d3"],"state_sha256":"20864b0492afabde2b68f1659370c39b0a9c35d062e68796e29f3b1f75522243"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"smvLt6RdgF1VUZah+sgfVnESe9qf7uIVjCMWqDsOPIcCJvmqcgJfBXiGIqYgqPO4zXtVF5gbGJCrbeEO5L2pAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T19:26:45.103279Z","bundle_sha256":"f54a1476ffbbc9d0c664f8cbe1a370f63c9ad8721dabd5621ed70f6977fc8630"}}