{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:4HI2SKUTWGS35KXRKR4V77V23Y","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":"ced1dc74c65740271be291003cdc1d75358ec6ca7c3ac41b293ad43b80b4a457","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2020-02-26T19:44:53Z","title_canon_sha256":"5f7cb1c2a4486f8c52e13c79e50830d0a92db8c7b6f3862d726713b42ff3b101"},"schema_version":"1.0","source":{"id":"2002.11761","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.11761","created_at":"2026-07-05T00:50:15Z"},{"alias_kind":"arxiv_version","alias_value":"2002.11761v1","created_at":"2026-07-05T00:50:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.11761","created_at":"2026-07-05T00:50:15Z"},{"alias_kind":"pith_short_12","alias_value":"4HI2SKUTWGS3","created_at":"2026-07-05T00:50:15Z"},{"alias_kind":"pith_short_16","alias_value":"4HI2SKUTWGS35KXR","created_at":"2026-07-05T00:50:15Z"},{"alias_kind":"pith_short_8","alias_value":"4HI2SKUT","created_at":"2026-07-05T00:50:15Z"}],"graph_snapshots":[{"event_id":"sha256:b125f5e97a693eb00229e309250bd3cf41307393a2f902e9f5559ed4e1140620","target":"graph","created_at":"2026-07-05T00:50:15Z","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/2002.11761/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We tested the gravitational $1/r^2$ law using a stationary torsion-balance detector and a rotating attractor containing test bodies with both 18-fold and 120-fold azimuthal symmetries that simultaneously tests the $1/r^2$ law at two different length scales. We took data at detector-attractor separations between $52~\\mu$m and 3.0 mm. Newtonian gravity gave an excellent fit to our data, limiting with 95\\% confidence any gravitational-strength Yukawa interactions to ranges $< 38.6~\\mu$m.","authors_text":"B.R. Heckel, E.G. Adelberger, J.G. Lee, S.M. Fleischer, T.S. Cook","cross_cats":["physics.ins-det"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2020-02-26T19:44:53Z","title":"New Test of the Gravitational $1/r^2$ Law at Separations down to 52 $\\mu$m"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.11761","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":"sha256:4f787faad13f959eb69f3b9146363b136b7d0cf08fc47da56ff41a799223df31","target":"record","created_at":"2026-07-05T00:50:15Z","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":"ced1dc74c65740271be291003cdc1d75358ec6ca7c3ac41b293ad43b80b4a457","cross_cats_sorted":["physics.ins-det"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ex","submitted_at":"2020-02-26T19:44:53Z","title_canon_sha256":"5f7cb1c2a4486f8c52e13c79e50830d0a92db8c7b6f3862d726713b42ff3b101"},"schema_version":"1.0","source":{"id":"2002.11761","kind":"arxiv","version":1}},"canonical_sha256":"e1d1a92a93b1a5beaaf154795ffebade336535db586cdd874ae39c5bd6de7eb8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e1d1a92a93b1a5beaaf154795ffebade336535db586cdd874ae39c5bd6de7eb8","first_computed_at":"2026-07-05T00:50:15.914282Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:50:15.914282Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QUGY3w3UEiV01NFj3EAQ2MWCTT/BMooBVECmUZH8cziJf2ZJHOWGAzSWQ6eBhXALCAJf8c/Zf44bY4vB4h10BA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:50:15.914740Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.11761","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f787faad13f959eb69f3b9146363b136b7d0cf08fc47da56ff41a799223df31","sha256:b125f5e97a693eb00229e309250bd3cf41307393a2f902e9f5559ed4e1140620"],"state_sha256":"d08f894d60c361f19f9c827341a7ddfa6708800eddc56996f0168ae10f9b46a4"}