{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:6RL66LN6U6PLWDDTXILRM75SCM","short_pith_number":"pith:6RL66LN6","schema_version":"1.0","canonical_sha256":"f457ef2dbea79ebb0c73ba17167fb213149e2b13ca2a33a34ea1b92dd3a889c9","source":{"kind":"arxiv","id":"2602.20828","version":2},"attestation_state":"computed","paper":{"title":"First Experimental Limit on the Permanent Electric Dipole Moment of the Deuteron","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"The first experimental upper limit on the deuteron electric dipole moment is |d| < 2.5 × 10^{-17} e·cm at 95% confidence.","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A.Aggarwal, A.Aksentev, A.Andres, A.Kacharava, A.Kononov, A.Lehrach, A.Magiera, A.Melnikov, A.Nass, A.Pesce, A.Piccoli, A.Saleev, A.Silenko, A.Wirzba, A. Wro\\'nska, B.Alberdi, B.Breitkreutz, B.Lorentz, C.B\\\"ohme, D.Grzonka, D.Gu, D.Heberling, D. H\\\"olscher, D.Mchedlishvili, D.Okropiridze, D.Prasuhn, D.Shergelashvili, E.J.Stephenson, F.Abusaif, F.M\\\"uller, F.Rathmann, G.Ciullo, G.Macharashvili, G.Tagliente, H.Soltner, H.Str\\\"oher, I.Bekman, I.Keshelashvili, J. Hetzel, J.Pretz, J. Slim, K.Grigoryev, K.Laihem, L.Barion, M. Bey{\\ss}, M.Gaisser, M.Margos, M.Tabidze, M.Vitz, M. \\.Zurek, N.Canale, N.Lomidze, N.N.Nikolaev, N.-O. Fr\\\"ohlich, N.Shurkhno, O.Javakhishvili, P.Lenisa, P.W\\\"ustner, R.Gebel, R.Shankar, R.Stassen, S.Dymov, S.Karanth, S.Siddique, T.Wagner, V.Hejny, V.Kamerdzhiev, V.Poncza, V.Shmakova, V.Tempel, Y.Valdau","submitted_at":"2026-02-24T12:07:05Z","abstract_excerpt":"Permanent electric dipole moments (EDMs) provide a sensitive probe of physics beyond the Standard Model and are directly linked to additional sources of CP violation that could explain the matter-antimatter asymmetry of the universe. EDM measurements of charged particles in storage rings rely on detecting a small tilt of the invariant spin axis with respect to the ring plane. In this work, we present the experimental determination of the invariant spin axis of an ensemble of deuterons in the COoler SYnchrotron (COSY), a conventional magnetic storage ring, using a combination of a radio-frequen"},"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":true,"formal_links_present":false},"canonical_record":{"source":{"id":"2602.20828","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2026-02-24T12:07:05Z","cross_cats_sorted":[],"title_canon_sha256":"983d16213dd5dc8ebde847ae9d9662163c75983e7a5ecb154eb39ce6312e92b3","abstract_canon_sha256":"772e3b8583eb6482ef39cadc5687cc795ef6e63f92ed96ad08a844222c5e9d10"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:10:35.832334Z","signature_b64":"4eZ3Ewlyep46fbHeazrwY8tGO5b1wT5/72+G8G/0nZcBlvgyLtOIecZRMqTxGn6OLYUyzA+rVkkfOSRHKdPmCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f457ef2dbea79ebb0c73ba17167fb213149e2b13ca2a33a34ea1b92dd3a889c9","last_reissued_at":"2026-06-19T16:10:35.831913Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:10:35.831913Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First Experimental Limit on the Permanent Electric Dipole Moment of the Deuteron","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"The first experimental upper limit on the deuteron electric dipole moment is |d| < 2.5 × 10^{-17} e·cm at 95% confidence.","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A.Aggarwal, A.Aksentev, A.Andres, A.Kacharava, A.Kononov, A.Lehrach, A.Magiera, A.Melnikov, A.Nass, A.Pesce, A.Piccoli, A.Saleev, A.Silenko, A.Wirzba, A. Wro\\'nska, B.Alberdi, B.Breitkreutz, B.Lorentz, C.B\\\"ohme, D.Grzonka, D.Gu, D.Heberling, D. H\\\"olscher, D.Mchedlishvili, D.Okropiridze, D.Prasuhn, D.Shergelashvili, E.J.Stephenson, F.Abusaif, F.M\\\"uller, F.Rathmann, G.Ciullo, G.Macharashvili, G.Tagliente, H.Soltner, H.Str\\\"oher, I.Bekman, I.Keshelashvili, J. Hetzel, J.Pretz, J. Slim, K.Grigoryev, K.Laihem, L.Barion, M. Bey{\\ss}, M.Gaisser, M.Margos, M.Tabidze, M.Vitz, M. \\.Zurek, N.Canale, N.Lomidze, N.N.Nikolaev, N.-O. Fr\\\"ohlich, N.Shurkhno, O.Javakhishvili, P.Lenisa, P.W\\\"ustner, R.Gebel, R.Shankar, R.Stassen, S.Dymov, S.Karanth, S.Siddique, T.Wagner, V.Hejny, V.Kamerdzhiev, V.Poncza, V.Shmakova, V.Tempel, Y.Valdau","submitted_at":"2026-02-24T12:07:05Z","abstract_excerpt":"Permanent electric dipole moments (EDMs) provide a sensitive probe of physics beyond the Standard Model and are directly linked to additional sources of CP violation that could explain the matter-antimatter asymmetry of the universe. EDM measurements of charged particles in storage rings rely on detecting a small tilt of the invariant spin axis with respect to the ring plane. In this work, we present the experimental determination of the invariant spin axis of an ensemble of deuterons in the COoler SYnchrotron (COSY), a conventional magnetic storage ring, using a combination of a radio-frequen"},"claims":{"count":4,"items":[{"kind":"strongest_claim","text":"From the observed tilts, we derive the first experimental limit on the deuteron EDM, |d^d|< 2.5·10^{-17} e·cm (95% C.L.).","source":"verdict.strongest_claim","status":"machine_extracted","claim_id":"C1","attestation":"unclaimed"},{"kind":"weakest_assumption","text":"The assumption that the few-milliradian spin-axis tilts, stated to be dominated by systematic effects, can be accurately modeled and bounded so that the residual provides a reliable upper limit on any EDM contribution without the systematics either masking a signal or being misattributed.","source":"verdict.weakest_assumption","status":"machine_extracted","claim_id":"C2","attestation":"unclaimed"},{"kind":"one_line_summary","text":"First experimental limit on deuteron EDM: |d^d| < 2.5 × 10^{-17} e·cm (95% CL) from observed spin-axis tilts in a magnetic storage ring.","source":"verdict.one_line_summary","status":"machine_extracted","claim_id":"C3","attestation":"unclaimed"},{"kind":"headline","text":"The first experimental upper limit on the deuteron electric dipole moment is |d| < 2.5 × 10^{-17} e·cm at 95% confidence.","source":"verdict.pith_extraction.headline","status":"machine_extracted","claim_id":"C4","attestation":"unclaimed"}],"snapshot_sha256":"3205b3c08cf5ff0aee4501cbe2a57c2637a2fbbe9291c1564ff1cc7ed2610341"},"source":{"id":"2602.20828","kind":"arxiv","version":2},"verdict":{"id":"01055478-c30c-4b8f-94eb-d380c2883a14","model_set":{"reader":"grok-4.3"},"created_at":"2026-05-15T19:45:08.490614Z","strongest_claim":"From the observed tilts, we derive the first experimental limit on the deuteron EDM, |d^d|< 2.5·10^{-17} e·cm (95% C.L.).","one_line_summary":"First experimental limit on deuteron EDM: |d^d| < 2.5 × 10^{-17} e·cm (95% CL) from observed spin-axis tilts in a magnetic storage ring.","pipeline_version":"pith-pipeline@v0.9.0","weakest_assumption":"The assumption that the few-milliradian spin-axis tilts, stated to be dominated by systematic effects, can be accurately modeled and bounded so that the residual provides a reliable upper limit on any EDM contribution without the systematics either masking a signal or being misattributed.","pith_extraction_headline":"The first experimental upper limit on the deuteron electric dipole moment is |d| < 2.5 × 10^{-17} e·cm at 95% confidence."},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2602.20828/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":43,"sample":[{"doi":"","year":1997,"title":"I. B. Khriplovich and S. K. Lamoreaux,CP violation without strangeness: electric dipole moments of particles, atoms, and molecules(Springer, 1997)","work_id":"28ec672d-2b6f-4876-96b7-d9c9643383de","ref_index":1,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2005,"title":"M. Pospelov and A. Ritz, Electric dipole moments as probes of new physics, Annals of Physics318, 119 (2005)","work_id":"d8b13abe-9df0-4d7a-b433-503ee8c4901f","ref_index":2,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":1957,"title":"L¨ uders, Proof of the TCP theorem, Annals of Physics 2, 1 (1957)","work_id":"db62bf1b-81dd-4336-9f7d-2f6adf6dcca0","ref_index":3,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":2002,"title":"O. W. Greenberg, CPT violation implies violation of Lorentz invariance, Phys. Rev. Lett.89, 231602 (2002)","work_id":"3b209a82-b15b-47e3-93b1-7025cbabc75f","ref_index":4,"cited_arxiv_id":"","is_internal_anchor":false},{"doi":"","year":1964,"title":"J. H. Christenson, J. W. Cronin, V. L. Fitch, and R. Turlay, Evidence for the 2πdecay of theK 0 2 meson, Phys. Rev. Lett.13, 138 (1964)","work_id":"bd48e619-8ddd-4b40-9818-ea9bd9c0c78e","ref_index":5,"cited_arxiv_id":"","is_internal_anchor":false}],"resolved_work":43,"snapshot_sha256":"29272b1fed2a7448c7edb0bf8accb00940aa1fe4d967375f04db4509c41b5b65","internal_anchors":4},"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":"2602.20828","created_at":"2026-06-19T16:10:35.831968+00:00"},{"alias_kind":"arxiv_version","alias_value":"2602.20828v2","created_at":"2026-06-19T16:10:35.831968+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.20828","created_at":"2026-06-19T16:10:35.831968+00:00"},{"alias_kind":"pith_short_12","alias_value":"6RL66LN6U6PL","created_at":"2026-06-19T16:10:35.831968+00:00"},{"alias_kind":"pith_short_16","alias_value":"6RL66LN6U6PLWDDT","created_at":"2026-06-19T16:10:35.831968+00:00"},{"alias_kind":"pith_short_8","alias_value":"6RL66LN6","created_at":"2026-06-19T16:10:35.831968+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.22265","citing_title":"Quantum noninvasive three-component beam-spin polarimetry in the Hadron Storage Ring of the Electron-Ion Collider","ref_index":47,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6RL66LN6U6PLWDDTXILRM75SCM","json":"https://pith.science/pith/6RL66LN6U6PLWDDTXILRM75SCM.json","graph_json":"https://pith.science/api/pith-number/6RL66LN6U6PLWDDTXILRM75SCM/graph.json","events_json":"https://pith.science/api/pith-number/6RL66LN6U6PLWDDTXILRM75SCM/events.json","paper":"https://pith.science/paper/6RL66LN6"},"agent_actions":{"view_html":"https://pith.science/pith/6RL66LN6U6PLWDDTXILRM75SCM","download_json":"https://pith.science/pith/6RL66LN6U6PLWDDTXILRM75SCM.json","view_paper":"https://pith.science/paper/6RL66LN6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2602.20828&json=true","fetch_graph":"https://pith.science/api/pith-number/6RL66LN6U6PLWDDTXILRM75SCM/graph.json","fetch_events":"https://pith.science/api/pith-number/6RL66LN6U6PLWDDTXILRM75SCM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6RL66LN6U6PLWDDTXILRM75SCM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6RL66LN6U6PLWDDTXILRM75SCM/action/storage_attestation","attest_author":"https://pith.science/pith/6RL66LN6U6PLWDDTXILRM75SCM/action/author_attestation","sign_citation":"https://pith.science/pith/6RL66LN6U6PLWDDTXILRM75SCM/action/citation_signature","submit_replication":"https://pith.science/pith/6RL66LN6U6PLWDDTXILRM75SCM/action/replication_record"}},"created_at":"2026-06-19T16:10:35.831968+00:00","updated_at":"2026-06-19T16:10:35.831968+00:00"}