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McClelland, ApJ 180, 7 (1973)","work_id":"764aa55c-8d0d-4995-96ec-2e00e64dd953","year":1973}],"snapshot_sha256":"9f7576beda32e2d046dd576b81b474986ed65805e2ed8b37a5efa23c977ee7cc"},"source":{"id":"2503.14744","kind":"arxiv","version":3},"verdict":{"created_at":"2026-05-16T17:42:09.539773Z","id":"e678b3ad-b9dc-4417-addd-b5df03240573","model_set":{"reader":"grok-4.3"},"one_line_summary":"DESI DR2 BAO and full-shape data plus CMB yield ∑m_ν < 0.0642 eV (95% CL) under ΛCDM, in 3σ tension with oscillation lower limits, relaxed to <0.163 eV in w0waCDM.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"DESI DR2 BAO and DR1 full-shape data plus CMB data tighten the neutrino mass sum upper limit to 0.0642 eV at 95 percent under flat LambdaCDM.","strongest_claim":"Assuming the cosmological ΛCDM model and three degenerate neutrino states, we find ∑m_ν<0.0642 eV (95%) with a marginalized error of σ(∑m_ν)=0.020 eV. ... our constraints are in tension with the lower limits derived from neutrino oscillations. ... In the absence of unknown systematics, this finding could be interpreted as a hint of new physics not necessarily related to neutrinos.","weakest_assumption":"The assumption that there are no unknown systematics in the DESI BAO or full-shape measurements and that the base ΛCDM model is an adequate description without extensions; the paper itself flags this as the key caveat for interpreting the tension."}},"verdict_id":"e678b3ad-b9dc-4417-addd-b5df03240573"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:99d0b97eee168ba725ff70fb27525fe4d619fba729a8e1c311045e94113dcd07","target":"record","created_at":"2026-05-17T23:38:47Z","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":"33f90f2da4e839a54162f47122243364ea2f97fe6b06251a6f4bc916fffdbdda","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-18T21:14:18Z","title_canon_sha256":"5c49874d647e9cb827883d37f2ae5fb90af12301224c5fbcdb849d3cbef68e25"},"schema_version":"1.0","source":{"id":"2503.14744","kind":"arxiv","version":3}},"canonical_sha256":"daee6493533c48add2dc233a76c7f54f441a6198561bf21f7774a860443f9d76","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"daee6493533c48add2dc233a76c7f54f441a6198561bf21f7774a860443f9d76","first_computed_at":"2026-05-17T23:38:47.084269Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:38:47.084269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Rfk2JjDZaPH7mDi/SKRgwJDmWuP2o6c51T8NjyZbmkEIr6rqFdi08vVQzdvTAPD0/BSWE5GaRQEjK+500spSAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:38:47.084887Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.14744","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:99d0b97eee168ba725ff70fb27525fe4d619fba729a8e1c311045e94113dcd07","sha256:55b4f03a035ee133270a99c163542addb7168d589378a977c1982c8fd52d144a"],"state_sha256":"7fba10b8931a6f7ed688c79a0d391909bd69264d8c8002486fc3196cfcd53e48"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MoGa2M80MVkPocQQLFG/3PeEHG8vqIq1EZnIVVtZ8iAAwK9LlsfYMNXr2M8IkUCeKMSzAl8MvzBJ11Bif0jpBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T06:24:54.868388Z","bundle_sha256":"ffa36d3a31d60ce58361a2c93cffc7f260290695cf2561c64402243154824756"}}