{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:CX7KNN7IFLGRBTUZ5O2EL6NYCX","short_pith_number":"pith:CX7KNN7I","schema_version":"1.0","canonical_sha256":"15fea6b7e82acd10ce99ebb445f9b815f6f95a5eebd946581f0477567ee52127","source":{"kind":"arxiv","id":"2507.18304","version":1},"attestation_state":"computed","paper":{"title":"Quark and lepton mixing in the asymptotically safe Standard Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"hep-ph","authors_text":"Aaron Held, Astrid Eichhorn, Zois Gyftopoulos","submitted_at":"2025-07-24T11:24:22Z","abstract_excerpt":"The quark mixing (CKM) matrix is near-diagonal, whereas the lepton mixing (PMNS) matrix is not. We learn that both observations can generically be explained within an ultraviolet completion of the Standard Model with gravity. We find that certain relations between CKM matrix elements should hold approximately because of asymptotically safe regimes, including $|V_{ud}|^2+|V_{us}|^2 \\approx 1$ and $|V_{cd}|^2+|V_{cs}|^2\\approx 1$. Theoretically, the accuracies of these relations determine the length of the asymptotically safe regimes. Experimental data confirms these relations with an accuracy o"},"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":"2507.18304","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2025-07-24T11:24:22Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"e918ede1568fa27f5547178ece9ca12c262f07ff4b5b562585c5d050f29dbb05","abstract_canon_sha256":"6762cbf6eaac4aa7f5289f8d16924a8be99f04ad14ad0c51ffe47b9ae04d1179"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:42:45.695431Z","signature_b64":"das8hvjW21EP9XUhwstdJjXv21KLwuDN45eNHe9Iqm26lGRZ1F4ZY+kNo7MrIyJeOwhEPrUmUlbS3MWLXs+bBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15fea6b7e82acd10ce99ebb445f9b815f6f95a5eebd946581f0477567ee52127","last_reissued_at":"2026-07-05T11:42:45.694934Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:42:45.694934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quark and lepton mixing in the asymptotically safe Standard Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"hep-ph","authors_text":"Aaron Held, Astrid Eichhorn, Zois Gyftopoulos","submitted_at":"2025-07-24T11:24:22Z","abstract_excerpt":"The quark mixing (CKM) matrix is near-diagonal, whereas the lepton mixing (PMNS) matrix is not. We learn that both observations can generically be explained within an ultraviolet completion of the Standard Model with gravity. We find that certain relations between CKM matrix elements should hold approximately because of asymptotically safe regimes, including $|V_{ud}|^2+|V_{us}|^2 \\approx 1$ and $|V_{cd}|^2+|V_{cs}|^2\\approx 1$. Theoretically, the accuracies of these relations determine the length of the asymptotically safe regimes. Experimental data confirms these relations with an accuracy o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.18304","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/2507.18304/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":"2507.18304","created_at":"2026-07-05T11:42:45.695004+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.18304v1","created_at":"2026-07-05T11:42:45.695004+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.18304","created_at":"2026-07-05T11:42:45.695004+00:00"},{"alias_kind":"pith_short_12","alias_value":"CX7KNN7IFLGR","created_at":"2026-07-05T11:42:45.695004+00:00"},{"alias_kind":"pith_short_16","alias_value":"CX7KNN7IFLGRBTUZ","created_at":"2026-07-05T11:42:45.695004+00:00"},{"alias_kind":"pith_short_8","alias_value":"CX7KNN7I","created_at":"2026-07-05T11:42:45.695004+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.21522","citing_title":"Asymptotically safe quantum gravity and its phenomenology -- a review","ref_index":272,"is_internal_anchor":false},{"citing_arxiv_id":"2510.23808","citing_title":"Towards theory constraints on ultralight dark matter from quantum gravity","ref_index":127,"is_internal_anchor":false},{"citing_arxiv_id":"2604.03033","citing_title":"Quantum gravity contributions to the gauge and Yukawa couplings in proper time flow","ref_index":62,"is_internal_anchor":false},{"citing_arxiv_id":"2605.11805","citing_title":"Scaling Solutions of Matter Form Factors in Asymptotically Safe Quantum Gravity","ref_index":20,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CX7KNN7IFLGRBTUZ5O2EL6NYCX","json":"https://pith.science/pith/CX7KNN7IFLGRBTUZ5O2EL6NYCX.json","graph_json":"https://pith.science/api/pith-number/CX7KNN7IFLGRBTUZ5O2EL6NYCX/graph.json","events_json":"https://pith.science/api/pith-number/CX7KNN7IFLGRBTUZ5O2EL6NYCX/events.json","paper":"https://pith.science/paper/CX7KNN7I"},"agent_actions":{"view_html":"https://pith.science/pith/CX7KNN7IFLGRBTUZ5O2EL6NYCX","download_json":"https://pith.science/pith/CX7KNN7IFLGRBTUZ5O2EL6NYCX.json","view_paper":"https://pith.science/paper/CX7KNN7I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.18304&json=true","fetch_graph":"https://pith.science/api/pith-number/CX7KNN7IFLGRBTUZ5O2EL6NYCX/graph.json","fetch_events":"https://pith.science/api/pith-number/CX7KNN7IFLGRBTUZ5O2EL6NYCX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CX7KNN7IFLGRBTUZ5O2EL6NYCX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CX7KNN7IFLGRBTUZ5O2EL6NYCX/action/storage_attestation","attest_author":"https://pith.science/pith/CX7KNN7IFLGRBTUZ5O2EL6NYCX/action/author_attestation","sign_citation":"https://pith.science/pith/CX7KNN7IFLGRBTUZ5O2EL6NYCX/action/citation_signature","submit_replication":"https://pith.science/pith/CX7KNN7IFLGRBTUZ5O2EL6NYCX/action/replication_record"}},"created_at":"2026-07-05T11:42:45.695004+00:00","updated_at":"2026-07-05T11:42:45.695004+00:00"}