{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:FR2XKXXKDBGMCBAHQRUAWMLQSV","short_pith_number":"pith:FR2XKXXK","canonical_record":{"source":{"id":"2310.18262","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-10-27T16:50:14Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"8e05bda29876c8b69154146bfefcb9f9d218b5759ba18c683aab3eb75c4a5415","abstract_canon_sha256":"608ea40755aab6368de064a84c6caa02e6bb605a9675eea142413e40edfb7351"},"schema_version":"1.0"},"canonical_sha256":"2c75755eea184cc1040784680b31709555531b3fa956f367a131dbc22d548bc8","source":{"kind":"arxiv","id":"2310.18262","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.18262","created_at":"2026-07-05T07:12:00Z"},{"alias_kind":"arxiv_version","alias_value":"2310.18262v2","created_at":"2026-07-05T07:12:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.18262","created_at":"2026-07-05T07:12:00Z"},{"alias_kind":"pith_short_12","alias_value":"FR2XKXXKDBGM","created_at":"2026-07-05T07:12:00Z"},{"alias_kind":"pith_short_16","alias_value":"FR2XKXXKDBGMCBAH","created_at":"2026-07-05T07:12:00Z"},{"alias_kind":"pith_short_8","alias_value":"FR2XKXXK","created_at":"2026-07-05T07:12:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:FR2XKXXKDBGMCBAHQRUAWMLQSV","target":"record","payload":{"canonical_record":{"source":{"id":"2310.18262","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-10-27T16:50:14Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"8e05bda29876c8b69154146bfefcb9f9d218b5759ba18c683aab3eb75c4a5415","abstract_canon_sha256":"608ea40755aab6368de064a84c6caa02e6bb605a9675eea142413e40edfb7351"},"schema_version":"1.0"},"canonical_sha256":"2c75755eea184cc1040784680b31709555531b3fa956f367a131dbc22d548bc8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:12:00.810842Z","signature_b64":"ic6PnlV/U+rw4QSkRMawajvYYy/dsHahR68GO5/dRGxIpV3qKTcVFdz1ky3fRBe/LS2k3zHgHvkJAHkbG1UQAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c75755eea184cc1040784680b31709555531b3fa956f367a131dbc22d548bc8","last_reissued_at":"2026-07-05T07:12:00.810374Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:12:00.810374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.18262","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:12:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7EuNSRkQ6SGY/19NEwmnWIlMf0lQnK9to4ek1xTXJiwLgiGLF7IQPkj+dtpEZP+7QUyEnZFG6JWnNq5F6/YXAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T19:55:12.161389Z"},"content_sha256":"dfb6b990f9374ce74410ec55b82c05429cf179c23e6fddd779cc5370c8064f99","schema_version":"1.0","event_id":"sha256:dfb6b990f9374ce74410ec55b82c05429cf179c23e6fddd779cc5370c8064f99"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:FR2XKXXKDBGMCBAHQRUAWMLQSV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Resolved-sideband cooling of a single $^9$Be$^+$ ion in a Penning trap","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"Christian Ospelkaus, Johannes Brombacher, Juan M. Cornejo, Julia A. Coenders, Malte Niemann, Moritz von Boehn, Stefan Ulmer, Teresa Meiners","submitted_at":"2023-10-27T16:50:14Z","abstract_excerpt":"Manipulating individual trapped ions at the single quantum level has become standard practice in radio-frequency ion traps, enabling applications from quantum information processing to precision metrology. The key ingredient is ground-state cooling of the particle's motion through resolved-sideband laser cooling. Ultra-high-presicion experiments using Penning ion traps will greatly benefit from the reduction of systematic errors offered by full motional control, with applications to atomic masses and $g$-factor measurements, determinations of fundamental constants or related tests of fundament"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.18262","kind":"arxiv","version":2},"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/2310.18262/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":"2026-07-05T07:12:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BFFVMkJYQ0cI9VvwVd3M/bm3JZuR9Gbcp0X6Fwdi7QL+njETCmxz+YFjFgeKnOno1V4xNBO6Q0U+tX4ixT6TDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T19:55:12.161890Z"},"content_sha256":"a210c12ffa3a08afe17e0acb23e4fdfba6d8799ddb64d59279c91ee2b49239b9","schema_version":"1.0","event_id":"sha256:a210c12ffa3a08afe17e0acb23e4fdfba6d8799ddb64d59279c91ee2b49239b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FR2XKXXKDBGMCBAHQRUAWMLQSV/bundle.json","state_url":"https://pith.science/pith/FR2XKXXKDBGMCBAHQRUAWMLQSV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FR2XKXXKDBGMCBAHQRUAWMLQSV/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":"2026-08-23T19:55:12Z","links":{"resolver":"https://pith.science/pith/FR2XKXXKDBGMCBAHQRUAWMLQSV","bundle":"https://pith.science/pith/FR2XKXXKDBGMCBAHQRUAWMLQSV/bundle.json","state":"https://pith.science/pith/FR2XKXXKDBGMCBAHQRUAWMLQSV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FR2XKXXKDBGMCBAHQRUAWMLQSV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:FR2XKXXKDBGMCBAHQRUAWMLQSV","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":"608ea40755aab6368de064a84c6caa02e6bb605a9675eea142413e40edfb7351","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-10-27T16:50:14Z","title_canon_sha256":"8e05bda29876c8b69154146bfefcb9f9d218b5759ba18c683aab3eb75c4a5415"},"schema_version":"1.0","source":{"id":"2310.18262","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.18262","created_at":"2026-07-05T07:12:00Z"},{"alias_kind":"arxiv_version","alias_value":"2310.18262v2","created_at":"2026-07-05T07:12:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.18262","created_at":"2026-07-05T07:12:00Z"},{"alias_kind":"pith_short_12","alias_value":"FR2XKXXKDBGM","created_at":"2026-07-05T07:12:00Z"},{"alias_kind":"pith_short_16","alias_value":"FR2XKXXKDBGMCBAH","created_at":"2026-07-05T07:12:00Z"},{"alias_kind":"pith_short_8","alias_value":"FR2XKXXK","created_at":"2026-07-05T07:12:00Z"}],"graph_snapshots":[{"event_id":"sha256:a210c12ffa3a08afe17e0acb23e4fdfba6d8799ddb64d59279c91ee2b49239b9","target":"graph","created_at":"2026-07-05T07:12:00Z","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/2310.18262/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Manipulating individual trapped ions at the single quantum level has become standard practice in radio-frequency ion traps, enabling applications from quantum information processing to precision metrology. The key ingredient is ground-state cooling of the particle's motion through resolved-sideband laser cooling. Ultra-high-presicion experiments using Penning ion traps will greatly benefit from the reduction of systematic errors offered by full motional control, with applications to atomic masses and $g$-factor measurements, determinations of fundamental constants or related tests of fundament","authors_text":"Christian Ospelkaus, Johannes Brombacher, Juan M. Cornejo, Julia A. Coenders, Malte Niemann, Moritz von Boehn, Stefan Ulmer, Teresa Meiners","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-10-27T16:50:14Z","title":"Resolved-sideband cooling of a single $^9$Be$^+$ ion in a Penning trap"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.18262","kind":"arxiv","version":2},"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:dfb6b990f9374ce74410ec55b82c05429cf179c23e6fddd779cc5370c8064f99","target":"record","created_at":"2026-07-05T07:12:00Z","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":"608ea40755aab6368de064a84c6caa02e6bb605a9675eea142413e40edfb7351","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2023-10-27T16:50:14Z","title_canon_sha256":"8e05bda29876c8b69154146bfefcb9f9d218b5759ba18c683aab3eb75c4a5415"},"schema_version":"1.0","source":{"id":"2310.18262","kind":"arxiv","version":2}},"canonical_sha256":"2c75755eea184cc1040784680b31709555531b3fa956f367a131dbc22d548bc8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2c75755eea184cc1040784680b31709555531b3fa956f367a131dbc22d548bc8","first_computed_at":"2026-07-05T07:12:00.810374Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:12:00.810374Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ic6PnlV/U+rw4QSkRMawajvYYy/dsHahR68GO5/dRGxIpV3qKTcVFdz1ky3fRBe/LS2k3zHgHvkJAHkbG1UQAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:12:00.810842Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.18262","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dfb6b990f9374ce74410ec55b82c05429cf179c23e6fddd779cc5370c8064f99","sha256:a210c12ffa3a08afe17e0acb23e4fdfba6d8799ddb64d59279c91ee2b49239b9"],"state_sha256":"b1e1dcef2e55059f60f8555e6eaf9bf779553a9aaf0974cc92dcdf7b6bd844c2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C1TRlGjz5EZSUcgXfEGhe88t8NJvyBR7qU/AsSQgr7pIoqWt9lE/ITxY7NP81Sqey0lehSD+TiixHvUfoH4UAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T19:55:12.165343Z","bundle_sha256":"d541e5d5c4ba5f2684e78448d0c822ef34d8f92bc90691ba397a30ac00cf42a2"}}