{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:FTPZHKC4VYW7QW3P4XTHM66BJQ","short_pith_number":"pith:FTPZHKC4","schema_version":"1.0","canonical_sha256":"2cdf93a85cae2df85b6fe5e6767bc14c17eab70b9787991a779b0af783eb815b","source":{"kind":"arxiv","id":"1901.09860","version":1},"attestation_state":"computed","paper":{"title":"Measurement of ultra-low heating rates of a single antiproton in a cryogenic Penning trap","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"A. Mooser, C. Ospelkaus, C. Smorra, E. Wursten, J. A. Devlin, J. A. Harrington, J. Morgner, J. Walz, K. Blaum, M. Bohman, M. J. Borchert, M. Wiesinger, P. E. Blessing, S. Ulmer, T. Higuchi, W. Quint, Y. Matsuda, Y. Yamazaki","submitted_at":"2019-01-28T18:05:26Z","abstract_excerpt":"We report on the first detailed study of motional heating in a cryogenic Penning trap using a single antiproton. Employing the continuous Stern-Gerlach effect we observe cyclotron quantum transition rates of 6(1) quanta/h and an electric field noise spectral density below $7.5(3.4)\\times 10^{-20}\\,\\text{V}^{2}\\text{m}^{-2} \\text{Hz}^{-1}$, which corresponds to a scaled noise spectral density below $8.8(4.0)\\times 10^{-12}\\,\\text{V}^{2}\\text{m}^{-2}$, results which are more than two orders of magnitude smaller than those reported by other ion trap experiments."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1901.09860","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-01-28T18:05:26Z","cross_cats_sorted":[],"title_canon_sha256":"bbaa31eec9b5699719ba36351911f6cb536b889428cc8e2396eaf25f3c1ef18f","abstract_canon_sha256":"968ecb52ae564f1518aa6f00fa6e703382cd0cf4823f7b0f506714daedc64752"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:23.642658Z","signature_b64":"BmzmrUUIZ53v/ksQ8hT7qlJqLr9B6+5Mz7HXThwG5JKxly5zrMquM2Zkg1cEI8hQgPwf6epVjde3boofhPgJCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2cdf93a85cae2df85b6fe5e6767bc14c17eab70b9787991a779b0af783eb815b","last_reissued_at":"2026-05-17T23:55:23.642197Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:23.642197Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of ultra-low heating rates of a single antiproton in a cryogenic Penning trap","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"A. Mooser, C. Ospelkaus, C. Smorra, E. Wursten, J. A. Devlin, J. A. Harrington, J. Morgner, J. Walz, K. Blaum, M. Bohman, M. J. Borchert, M. Wiesinger, P. E. Blessing, S. Ulmer, T. Higuchi, W. Quint, Y. Matsuda, Y. Yamazaki","submitted_at":"2019-01-28T18:05:26Z","abstract_excerpt":"We report on the first detailed study of motional heating in a cryogenic Penning trap using a single antiproton. Employing the continuous Stern-Gerlach effect we observe cyclotron quantum transition rates of 6(1) quanta/h and an electric field noise spectral density below $7.5(3.4)\\times 10^{-20}\\,\\text{V}^{2}\\text{m}^{-2} \\text{Hz}^{-1}$, which corresponds to a scaled noise spectral density below $8.8(4.0)\\times 10^{-12}\\,\\text{V}^{2}\\text{m}^{-2}$, results which are more than two orders of magnitude smaller than those reported by other ion trap experiments."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.09860","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1901.09860","created_at":"2026-05-17T23:55:23.642267+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.09860v1","created_at":"2026-05-17T23:55:23.642267+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.09860","created_at":"2026-05-17T23:55:23.642267+00:00"},{"alias_kind":"pith_short_12","alias_value":"FTPZHKC4VYW7","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_16","alias_value":"FTPZHKC4VYW7QW3P","created_at":"2026-05-18T12:33:15.570797+00:00"},{"alias_kind":"pith_short_8","alias_value":"FTPZHKC4","created_at":"2026-05-18T12:33:15.570797+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/FTPZHKC4VYW7QW3P4XTHM66BJQ","json":"https://pith.science/pith/FTPZHKC4VYW7QW3P4XTHM66BJQ.json","graph_json":"https://pith.science/api/pith-number/FTPZHKC4VYW7QW3P4XTHM66BJQ/graph.json","events_json":"https://pith.science/api/pith-number/FTPZHKC4VYW7QW3P4XTHM66BJQ/events.json","paper":"https://pith.science/paper/FTPZHKC4"},"agent_actions":{"view_html":"https://pith.science/pith/FTPZHKC4VYW7QW3P4XTHM66BJQ","download_json":"https://pith.science/pith/FTPZHKC4VYW7QW3P4XTHM66BJQ.json","view_paper":"https://pith.science/paper/FTPZHKC4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.09860&json=true","fetch_graph":"https://pith.science/api/pith-number/FTPZHKC4VYW7QW3P4XTHM66BJQ/graph.json","fetch_events":"https://pith.science/api/pith-number/FTPZHKC4VYW7QW3P4XTHM66BJQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FTPZHKC4VYW7QW3P4XTHM66BJQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FTPZHKC4VYW7QW3P4XTHM66BJQ/action/storage_attestation","attest_author":"https://pith.science/pith/FTPZHKC4VYW7QW3P4XTHM66BJQ/action/author_attestation","sign_citation":"https://pith.science/pith/FTPZHKC4VYW7QW3P4XTHM66BJQ/action/citation_signature","submit_replication":"https://pith.science/pith/FTPZHKC4VYW7QW3P4XTHM66BJQ/action/replication_record"}},"created_at":"2026-05-17T23:55:23.642267+00:00","updated_at":"2026-05-17T23:55:23.642267+00:00"}