{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:RW3YIUHE2D2GSIXANFGSTAC37V","short_pith_number":"pith:RW3YIUHE","schema_version":"1.0","canonical_sha256":"8db78450e4d0f46922e0694d29805bfd7493d6b0c28fc0ee135d6fc56ca73a36","source":{"kind":"arxiv","id":"2405.10982","version":1},"attestation_state":"computed","paper":{"title":"Short-range tests of the equivalence principle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"gr-qc","authors_text":"B.R. Heckel, C.D. Hoyle, E.G. Adelberger, G.L. Smith, H.E. Swanson, J.H. Gundlach","submitted_at":"2024-05-14T17:14:20Z","abstract_excerpt":"We tested the equivalence principle at short length scales by rotating a 3-ton $^{238}$U attractor around a compact torsion balance containing Cu and Pb test bodies. The observed differential acceleration of the test bodies toward the attractor, $a_{\\text{Cu}}-a_{\\text{Pb}} =(1.0\\pm2.8)\\times 10^{-13}$ cm/s$^2$, should be compared to the corresponding gravitational acceleration of $9.2\\times10^{-5}$ cm/s$^2$. Our results set new constraints on equivalence-principle violating interactions with Yukawa ranges down to 1 cm, and improve by substantial factors existing limits for ranges between 10 k"},"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":"2405.10982","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2024-05-14T17:14:20Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"e562d539ec625f7a87db2eddde740663f065e149284b634f3c9ce614f40978ef","abstract_canon_sha256":"70856beddd0c8388a85b37e68b4da2733e56f5195309425bd0684ca90f1c2f37"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:20:30.999606Z","signature_b64":"8lWctNDOU8cClXZBKXBgY9THiILq1WzKCNbvEJG6PNWRHk7vNcvFVLaNgnVR2Uv5uUDjx0Ch/flTX/MV2nzaAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8db78450e4d0f46922e0694d29805bfd7493d6b0c28fc0ee135d6fc56ca73a36","last_reissued_at":"2026-07-05T08:20:30.999125Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:20:30.999125Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Short-range tests of the equivalence principle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"gr-qc","authors_text":"B.R. Heckel, C.D. Hoyle, E.G. Adelberger, G.L. Smith, H.E. Swanson, J.H. Gundlach","submitted_at":"2024-05-14T17:14:20Z","abstract_excerpt":"We tested the equivalence principle at short length scales by rotating a 3-ton $^{238}$U attractor around a compact torsion balance containing Cu and Pb test bodies. The observed differential acceleration of the test bodies toward the attractor, $a_{\\text{Cu}}-a_{\\text{Pb}} =(1.0\\pm2.8)\\times 10^{-13}$ cm/s$^2$, should be compared to the corresponding gravitational acceleration of $9.2\\times10^{-5}$ cm/s$^2$. Our results set new constraints on equivalence-principle violating interactions with Yukawa ranges down to 1 cm, and improve by substantial factors existing limits for ranges between 10 k"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.10982","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/2405.10982/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2405.10982","created_at":"2026-07-05T08:20:30.999174+00:00"},{"alias_kind":"arxiv_version","alias_value":"2405.10982v1","created_at":"2026-07-05T08:20:30.999174+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.10982","created_at":"2026-07-05T08:20:30.999174+00:00"},{"alias_kind":"pith_short_12","alias_value":"RW3YIUHE2D2G","created_at":"2026-07-05T08:20:30.999174+00:00"},{"alias_kind":"pith_short_16","alias_value":"RW3YIUHE2D2GSIXA","created_at":"2026-07-05T08:20:30.999174+00:00"},{"alias_kind":"pith_short_8","alias_value":"RW3YIUHE","created_at":"2026-07-05T08:20:30.999174+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.20393","citing_title":"New Gauge Forces, Neutron Stars and Schwinger Neutrino Production","ref_index":34,"is_internal_anchor":false},{"citing_arxiv_id":"2605.24094","citing_title":"Neutron Star Bounds on Muonic Fifth Forces from Picometer to Kilometer Scales","ref_index":6,"is_internal_anchor":false},{"citing_arxiv_id":"2605.03477","citing_title":"Self-Interaction Bounds on Ultralight Dark Matter Couplings to Matter","ref_index":9,"is_internal_anchor":false},{"citing_arxiv_id":"2604.08053","citing_title":"Constraining Ultralight Scalar Dark Matter in the Galactic Center with the S2 Orbit","ref_index":38,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RW3YIUHE2D2GSIXANFGSTAC37V","json":"https://pith.science/pith/RW3YIUHE2D2GSIXANFGSTAC37V.json","graph_json":"https://pith.science/api/pith-number/RW3YIUHE2D2GSIXANFGSTAC37V/graph.json","events_json":"https://pith.science/api/pith-number/RW3YIUHE2D2GSIXANFGSTAC37V/events.json","paper":"https://pith.science/paper/RW3YIUHE"},"agent_actions":{"view_html":"https://pith.science/pith/RW3YIUHE2D2GSIXANFGSTAC37V","download_json":"https://pith.science/pith/RW3YIUHE2D2GSIXANFGSTAC37V.json","view_paper":"https://pith.science/paper/RW3YIUHE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2405.10982&json=true","fetch_graph":"https://pith.science/api/pith-number/RW3YIUHE2D2GSIXANFGSTAC37V/graph.json","fetch_events":"https://pith.science/api/pith-number/RW3YIUHE2D2GSIXANFGSTAC37V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RW3YIUHE2D2GSIXANFGSTAC37V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RW3YIUHE2D2GSIXANFGSTAC37V/action/storage_attestation","attest_author":"https://pith.science/pith/RW3YIUHE2D2GSIXANFGSTAC37V/action/author_attestation","sign_citation":"https://pith.science/pith/RW3YIUHE2D2GSIXANFGSTAC37V/action/citation_signature","submit_replication":"https://pith.science/pith/RW3YIUHE2D2GSIXANFGSTAC37V/action/replication_record"}},"created_at":"2026-07-05T08:20:30.999174+00:00","updated_at":"2026-07-05T08:20:30.999174+00:00"}