{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:C3NCC23AMAYOM34VDMUOYJ7NXD","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":"c5f699a0ba0f1a1f69f0ccc3da6b4ce4db90870d431d23c7d45dc4387214c607","cross_cats_sorted":["cond-mat.other","physics.atom-ph","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-04-06T06:15:13Z","title_canon_sha256":"9a2f8cb2bd9aa64dc62a30735e0e675b18c63f23dedeb56beff64699f8fafb68"},"schema_version":"1.0","source":{"id":"1004.0780","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0780","created_at":"2026-05-18T04:42:01Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0780v4","created_at":"2026-05-18T04:42:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0780","created_at":"2026-05-18T04:42:01Z"},{"alias_kind":"pith_short_12","alias_value":"C3NCC23AMAYO","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"C3NCC23AMAYOM34V","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"C3NCC23A","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:ab76811f36bb1798ea52275ddcbcea2d48b93e35b34576c71db593086a508c09","target":"graph","created_at":"2026-05-18T04:42:01Z","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":"The ability to detect extremely small forces is vital for a variety of disciplines including precision spin-resonance imaging, microscopy, and tests of fundamental physical phenomena. Current force-detection sensitivity limits have surpassed 1 $aN/\\sqrt{Hz}$ (atto $=10^{-18}$) through coupling of micro or nanofabricated mechanical resonators to a variety of physical systems including single-electron transistors, superconducting microwave cavities, and individual spins. These experiments have allowed for probing studies of a variety of phenomena, but sensitivity requirements are ever-increasing","authors_text":"A. P. VanDevender, H. Uys, J. J. Bollinger, J. W. Britton, M. J. Biercuk","cross_cats":["cond-mat.other","physics.atom-ph","physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-04-06T06:15:13Z","title":"Ultrasensitive force and displacement detection using trapped ions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0780","kind":"arxiv","version":4},"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":"sha256:86933099efe9c0dfb64af56f2384a3ffd767ef7dff08ba0ae5941cc38a6521c5","target":"record","created_at":"2026-05-18T04:42:01Z","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":"c5f699a0ba0f1a1f69f0ccc3da6b4ce4db90870d431d23c7d45dc4387214c607","cross_cats_sorted":["cond-mat.other","physics.atom-ph","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2010-04-06T06:15:13Z","title_canon_sha256":"9a2f8cb2bd9aa64dc62a30735e0e675b18c63f23dedeb56beff64699f8fafb68"},"schema_version":"1.0","source":{"id":"1004.0780","kind":"arxiv","version":4}},"canonical_sha256":"16da216b606030e66f951b28ec27edb8eb8e4c9c0939782fc7069d590d14538b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"16da216b606030e66f951b28ec27edb8eb8e4c9c0939782fc7069d590d14538b","first_computed_at":"2026-05-18T04:42:01.786829Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:42:01.786829Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/klapqlKxGtDumLL8yyp1g0zkneuEinOrU0x+w4fc1uNRbSEkW+MlZ0RdlUk6YUZSm/D2A6cZtqmdQ1FmLtiBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:42:01.787166Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.0780","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:86933099efe9c0dfb64af56f2384a3ffd767ef7dff08ba0ae5941cc38a6521c5","sha256:ab76811f36bb1798ea52275ddcbcea2d48b93e35b34576c71db593086a508c09"],"state_sha256":"bc149759b4763d3469ca81561bbfaf7872120437abc93f361d96da1652852eed"}