{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:SPYKHB6USJA733GZ6CIDDBOGTD","short_pith_number":"pith:SPYKHB6U","schema_version":"1.0","canonical_sha256":"93f0a387d49241fdecd9f0903185c698e111ea017735198453afe24291c4120d","source":{"kind":"arxiv","id":"2509.06710","version":1},"attestation_state":"computed","paper":{"title":"Study of the elusive $5s-4f$ level crossing in highly charged osmium with optical transitions suitable for physics beyond the Standard Model searches","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Charles Cheung, Dmitry Budker, Hendrik Bekker, Jos\\'e R. Crespo L\\'opez-Urrutia, Lakshmi Priya Kozhiparambil Sajith, Marianna S. Safronova, Michael K. Rosner, Nils-Holger Rehbehn, Sergey G. Porsev, Steven Worm, Thomas Pfeifer","submitted_at":"2025-09-08T14:05:09Z","abstract_excerpt":"Optical transitions of highly charged ions can be very sensitive to hypothetical beyond-the-Standard-Model phenomena. Those near the $5s-4f$ level crossing, where the $5s$ and $4f$ are degenerate are especially promising. We present predictions from atomic theory and measurements of Os$^{15,16,17+}$ at an electron beam ion trap for identification of several transitions suitable for searches for a hypothetical fifth force and possible violations of local Lorentz invariance. The electric quadrupole (E2) transitions of Os$^{16+}$ that were found are especially suitable for frequency metrology due"},"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":"2509.06710","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.atom-ph","submitted_at":"2025-09-08T14:05:09Z","cross_cats_sorted":[],"title_canon_sha256":"9dad819950054c5910c6768635c191b6c659d809725183237dce09fb9784e918","abstract_canon_sha256":"aed190fcb77ec07d706e280a0a02159fe83438e67fa52ca422b224f2258e3b8a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:06:51.454780Z","signature_b64":"ts1D8dolof0Nb0yxDVDCQGgHsL4axAdD9nhE0+VAqyDEN2hIVqq3aFC9EbX6K9Wbn66zIVC6OHdchUvjuLrEAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"93f0a387d49241fdecd9f0903185c698e111ea017735198453afe24291c4120d","last_reissued_at":"2026-07-05T12:06:51.454300Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:06:51.454300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Study of the elusive $5s-4f$ level crossing in highly charged osmium with optical transitions suitable for physics beyond the Standard Model searches","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Charles Cheung, Dmitry Budker, Hendrik Bekker, Jos\\'e R. Crespo L\\'opez-Urrutia, Lakshmi Priya Kozhiparambil Sajith, Marianna S. Safronova, Michael K. Rosner, Nils-Holger Rehbehn, Sergey G. Porsev, Steven Worm, Thomas Pfeifer","submitted_at":"2025-09-08T14:05:09Z","abstract_excerpt":"Optical transitions of highly charged ions can be very sensitive to hypothetical beyond-the-Standard-Model phenomena. Those near the $5s-4f$ level crossing, where the $5s$ and $4f$ are degenerate are especially promising. We present predictions from atomic theory and measurements of Os$^{15,16,17+}$ at an electron beam ion trap for identification of several transitions suitable for searches for a hypothetical fifth force and possible violations of local Lorentz invariance. The electric quadrupole (E2) transitions of Os$^{16+}$ that were found are especially suitable for frequency metrology due"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.06710","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/2509.06710/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":"2509.06710","created_at":"2026-07-05T12:06:51.454367+00:00"},{"alias_kind":"arxiv_version","alias_value":"2509.06710v1","created_at":"2026-07-05T12:06:51.454367+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.06710","created_at":"2026-07-05T12:06:51.454367+00:00"},{"alias_kind":"pith_short_12","alias_value":"SPYKHB6USJA7","created_at":"2026-07-05T12:06:51.454367+00:00"},{"alias_kind":"pith_short_16","alias_value":"SPYKHB6USJA733GZ","created_at":"2026-07-05T12:06:51.454367+00:00"},{"alias_kind":"pith_short_8","alias_value":"SPYKHB6U","created_at":"2026-07-05T12:06:51.454367+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/SPYKHB6USJA733GZ6CIDDBOGTD","json":"https://pith.science/pith/SPYKHB6USJA733GZ6CIDDBOGTD.json","graph_json":"https://pith.science/api/pith-number/SPYKHB6USJA733GZ6CIDDBOGTD/graph.json","events_json":"https://pith.science/api/pith-number/SPYKHB6USJA733GZ6CIDDBOGTD/events.json","paper":"https://pith.science/paper/SPYKHB6U"},"agent_actions":{"view_html":"https://pith.science/pith/SPYKHB6USJA733GZ6CIDDBOGTD","download_json":"https://pith.science/pith/SPYKHB6USJA733GZ6CIDDBOGTD.json","view_paper":"https://pith.science/paper/SPYKHB6U","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2509.06710&json=true","fetch_graph":"https://pith.science/api/pith-number/SPYKHB6USJA733GZ6CIDDBOGTD/graph.json","fetch_events":"https://pith.science/api/pith-number/SPYKHB6USJA733GZ6CIDDBOGTD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SPYKHB6USJA733GZ6CIDDBOGTD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SPYKHB6USJA733GZ6CIDDBOGTD/action/storage_attestation","attest_author":"https://pith.science/pith/SPYKHB6USJA733GZ6CIDDBOGTD/action/author_attestation","sign_citation":"https://pith.science/pith/SPYKHB6USJA733GZ6CIDDBOGTD/action/citation_signature","submit_replication":"https://pith.science/pith/SPYKHB6USJA733GZ6CIDDBOGTD/action/replication_record"}},"created_at":"2026-07-05T12:06:51.454367+00:00","updated_at":"2026-07-05T12:06:51.454367+00:00"}